Bilbobaggins

The sandflats north of Adelaide, at the top of both the SA gulfs, hold some unique terrain and ecosystems. At low tide, these sandflats can drain out for over 2 kilometres. The tidal movements are, over 3 meters in St Vincents Gulf and upto 4 metres in the upper Spencers Gulf. The water temperature ranges from 11C to 25C.  Typical of shallow, protected water bodies, it is a highly productive ecosystem holding a lot of fish and marine life.
It is home, for two of my favourite fishing targets, the “Southern Blue Spotted Flathead” -Platycephalus speculator and the “Yellow Fin Whiting”  -Sillago schomburgkii. Both of which I obsessively chase.
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THE TERRAIN
On the run off tide, water drains off these sandflats and into drains and channels. Which in turn, run into wide areas of seagrass beds.
The numerous schools of baitfish and juvenile prawns that feed on these extensive sandflats, now retreat back with the dropping tide, and take shelter in the weedy areas.   
Such a concentration of food will always attract and hold a lot of Flathead and also the larger predatory models of Yellow Fin Whiting.
The densest weed, offers the baitfish the best protection. The Flathead will also move into the same densely weeded areas following the baitfish.
Targeting Flathead here, makes fishing for them a challenge.
 
 
 
 
With the thick weed cover the first challenge to overcome, is the reduced visibility of your lure. It is hard to present your lure clearly to the fish for a prolonged spell.
This is not as easy as fishing an open sand flat. There are only small windows of visibility in the gaps between the weeds. Only small windows of vision for the flathead below to spot baitfish above hiding amongst the flowing weed plumes.
A critical aspect in a high tidal flow area, is considering the lay of the weed with the direction of the tidal flow. The tidal flow lays the weed over creating “a directional vision”. There is greatly reduced visibility looking back into the tidal flow and into the weed flowing over.
It’s like looking through Venetian Blinds. The blinds have to be angled the right way to get a clear view out. Looking back in from the other way, you see little or nothing.    

I find these Flathead facing down with the flow of the tide and not facing into the tide. With this lie, in this setting, Flathead provide themselves with the widest and clearest view through the “Venetian Blinds” of weeds. It is more effective to cast down the tidal flow and draw or suspend your lure back into the tidal flow and into the face of the flathead that is facing down the flow.
With a lot more drone footage of Flathead behaviour today, it is becoming clear that Flathead are often found laying down with the tide, rather than the popular belief of always lying into the tide.
These 2 Reels show flathead settling in with the tide, which is flowing over their backs and out in front of them. They are facing with the tide.
https://www.facebook.com/reel/250011617793874   and this
https://www.facebook.com/reel/688965732677689
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LURE CHOICE
My go to lures are, Suspending lures, shallow diving minnows, and floating top water hardbodies.
The OSP Bent Minnows and Berkley Benders are very successful in this terrain. They provide that great erratic sideways and diving movement that immediately grabs the attention of hidden flathead.

I am also using Floating shallow diving, Rapalas, Atomic Hardz and Yozuri Duel or Crystal Minnows. If the bibs are too big and makes the lure dive too deep, I grind the bib down smaller.
We are fishing shallow water upto 5ft at the deepest. And probably at best, just 2 feet of weed free water above the weed plumes.
Floating lures like Sugapens, Zipbaits Fakie Dogs, Atomic Bulldogs, which I also use for YF Whiting are also occasionally successful.
All these lures can be floated and retrieved over the weed plumes without the weed fouling the lure.
On retrieval, when the lure arrives above a window of vision between the weed, it is time for some short, shallow, diving jerks, followed by long pauses. If the tide is flowing strongly just some vibrations, dances and jiggles while the lure is holding against the tide flow and suspended above the window in the weed. This most often brings about a strike, should there be a Flathead holding there.

RETRO FIT HOOKS
The trebles on these lures are always replaced.
Lures with trebles catch too much weed. And when a Flathead is hooked they immediately head deeper into the weed. All the exposed treble barbs on the lure, will hook onto the surrounding weed and help the Flathead throw the lure. I lost too many fish before changing to alternative hooks.
The trebles on these lures have all been replaced with single or assist hooks.
These hooks pull through the weed easily.
I am consistently getting more strikes on the lures with assists, than with trebles.
Most importantly so far I have yet to have, a hooked Flathead throw these assist hooks.

FLOAT FISHING
Soft Plastics and Metal Blades can also be used in this terrain but require employing some unconventional tactics. I suspend Soft Plastics and Metal Blades under a float. The strategy here is … If the lure sinks … put it under a Float !!!
For the same reasons that apply to the floating hardbodies.
There is a bonus in the unconventional tactic of putting lures under a float.
There seems to be a double attraction from both the float and the lure.
The float often catches the eye of the Flathead first. It attracts the Flathead’s attention, and will rise to inspect it. Although most often it quickly dismisses it.
However, it is now, in a now heightened state, and alert. The Flathead usually responds with a strong strike on the Soft Plastic following behind the float.
Occasionally the float even gets attacked.
It is not an uncommon tale, of wading SA Gar fishers having their floats attacked by a large Flathead. Occasionally they even manage to jag a Flathead with their small Garfish hooks.
Drone footage such as the many reels on here: https://www.facebook.com/JCsFishingShenanigans   show Flathead stalking, monitoring, and considering the bait for quite a while, before they finally commit to taking it. And a bit of pre strike stimulus by the float, ahead of a suspended bait or lure may well help.
It does pay to hold and dance your Soft Plastic above their eyes, when it is suspended above a gap in the weeds.
Yes Bait also works !!!!
A Pilchard on 3 ganged hooks suspended under a float takes a lot of fish.

I have tried weedless hooks on Soft Plastics.
Also various SPs that are already weighted and designed as weedless. Like Zerek Weedless Fish traps. They have not been successful working them through this thick weed.
They don’t hold in the strike zone for a prolonged spell, like a floating lure suspended and dancing above the Flathead’s eyes.
Furthermore, when you do get the strike, the concealed hooks of the weedless SP options, have a significantly lower hook up rate compared to an exposed hook on a Soft Plastic or Hardbody.
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A consistent nice by catch of these techniques are very large Whiting.
The large whiting are also ambush predators and lay in ambush in the very same area. They have the same aggressive responses.
I am sure they are Whiting identifying as Flathead !
Yellow Fin Whiting will often take SP minnows under a float in the weeded areas.
The smaller OSP Bent Minnows 75mm size are also successful with the Yellow Fin Whiting here. But your retrieve rate needs to be a lot faster than you would use for Flathead.
If I am trying for both, I will cover the same area, with the same lure, with two casts with two different styles of retrieves. One faster one to attract YFW and the other slow and pause one, to attract Flathead.

Give it a try and Have fun on the sandflats!
Cheers, Des

Threw in some cokies on a whiting set up today and the young fella pulled in a snapper he was so happy.

On my regular river walks, I would see successful Carp fishers in the spot indicated on my map.
Mawsons Lakes is also well known to hold a lot of big Carp

I tried roughly here. If you have the time going to the Murray river should yield a lot of card just bring an eski. Waikerie seems to have a lot of carp.
 
I mean try a few places bring some bread. Throw some bread out and you’ll see them start to eat it.

I’ve caught a few carp here. You park there then just walk to the water. Magazine road dry creek. You could also park were the second photo is as it may be safer more cameras if your fishing at night etc 
 
just bring some mosquito repellent as lots about atm.
 
I’ve never had any luck in the Torrens. I use bread. Also look up Alex fishing sa and you’ll learn some tips.

All those spots produced fish regularly.
Try the small tides.  Both outgoing and incoming.
Fish nearer the channels that accentuate the small movement in the tide.
Pick a breezy day. Minimum 5 knots upto max 15 knots. SW is best there.
Long down wind casts towards shore into shallow shoreside water with the wind in your back.
Don't worry if your lure is landing in ankle deep water. Too often people fish too deep.
Good Luck 

I had a disastrous day last week and could only manage one Yellow Fin Whiting all day. I got the tide and the weather conditions all wrong.
I was fortunate to realise the error and managed to back it up the following day by relocating my fishing to a spot better suited to the tide and weather and finished with a bag of 20 large YFW on surface lures.
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The sandflats of the upper SA Gulfs are a dynamic environment and ecosystem with many a variable factor that affects fishing. It keeps you thinking. Keeps you on your toes! And we don’t always get it right!
One of the most dynamic and important factors on these sandflats are the tides.
And Beware! tides also are, the greatest danger for a novice fishing these areas !
Knowing what the tide will do on any particular day is essential.
Every spot has different characteristics, where the same tide will behave differently.
For a successful fishing trip to these sandflats, you need to consider the tide along with the weather on the day. You then select the most suitable spot for those tides and those conditions.
My recent trip to the upper St.V Gulf clearly illustrated this.
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On Day 1:
It went terribly wrong. The predicted tide was a slow steady run out all day. That did not happen. The spot was a wide sandflat. A small tide across a wide space means a slow steady water flow. That has a lot of fish lingering over the soft nipper beds. Unfortunately an unpredicted drop in air pressure and SW winds far stronger than forecast pushed against the flow and held the water at a standstill.
No flow no fish. I only ended up catching the one fish on Day 1.
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On Day 2:
The tides and weather were very similar to the previous day. Having reconsidered the factors at play. I moved to another spot. The location was narrower, more restricted & channeled sandflat squeezed between a mangrove wall and the weedline.

The tide flow here was quicker moving through this restricted space. And the fish were a lot more responsive. I finished with a bag of 20 quality large Yellow Fin Whiting.

The Sugapen 95 was the most successful lure. And Zipbaits Fakie Dog DS70 took a few.

 
For a successful day of YFW fishing on the sandflats you need to be aware of all the tide and water flow factors.
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GULF SHAPE, TIDE ENTRY, WINDS & TIDAL FLOWS
I do most of my fishing in the Gulf St Vincent. So this post will focus on the tidal influences on the Gulf of St Vincent Sandflats.
The very shape of the St V Gulf affects the tides in the gulf.
The first factor are the openings to the gulfs and their orientations.
To the East of K.I. the Backstairs Passage. A narrow and very restrictive entrance to the gulf. Not much water can flow through that passage. Although the tide that does, races through at a great rate.
On the West side is Investigator Strait. Which is considerably wider and the main entry point for the tide in St V Gulf tide.
If you study the tide times in the gulf, the tide arrives earlier on western side ports. This western orientation of the main gulf opening, has a major impact on tides when a SW wind blows. The SW wind or storm surge forces a lot more water up the gulf than any other wind. That will increase the tide height, considerably far more than the forecast height.
And the opposite also applies. A NE wind will force water out of the gulf, dropping the actual tide to lower than forecast.
 

Air pressure adds a compounding factor. A lower Air pressure draws up more water and a high air pressure will force water out.
Our Afternoon Sea breezes (occasional Gale) also act similar to a SW wind. It forces more water up the gulf and increases the tide height. Particularly in the upper gulfs.
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So if you have ever arrived at a sandflats location expecting the tide to be where you thought it should be … and it is NOT. Reconsider the above factors.
Danger is present, should these conditions come into play whilst you are out a kilometre away from the safe shore. A change in conditions can have the tide come in far faster than you have expected.
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Our gulfs narrow at their northern ends. This amplifies any tide movement. In the constricted space of the upper gulf the tide has no where to go but up. Check the high tide on the same day.  A Pt. Adelaide 2.60 mt tide, will be a 3.90 mt tide at Pt Wakefield. So in the upper gulfs the effect from any of the above variables will be amplified. Stay alert! And factor it into your fishing.

TERRAIN, & STAGE OF TIDE
Narrow areas will increase the height and speed of tide. Wider areas the reverse. This may assist or hinder our fishing depending on the weather and tide on the day.
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It is important to know your spot and its height in regards to the low water mark.
Beware the elevated sand flats. If the tide at a spot, like Bald Hill Beach, arrives 3 hours after low, then you are obviously on the higher ground on an elevated sandflat. When the tide arrives here, it arrives at the fastest period of tide flow. Many fisherman are caught and taken by surprise in these locations.
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Know the “RULE of TWELFTHS” .  How much water comes in and when. How much more will be coming in. The Flow rate of the tide in that hour. So you can decide; do you sit it out there and keep fishing or get out of there quickly.
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THE RULE OF TWELFTHS FOR TIDE MOVEMENTS:
- Based on the most frequent 6 hourly tide cycle experienced.
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If we Start at LOW Tide.
There is no movement. 100% of the water movement is yet to come in.
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1 HOUR after Low Tide:
- 1/12th of the tide moves in this hour.
- 7% of the tide has moved in, during this hour.
- 93% of the water is yet to come
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2 HOURS after Low Tide:
- 2/12th of the tide moves in this hour.
- 25% of the tide has moved in, by the end of this hour.
- 75% of the water is yet to come
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3 HOURS after Low Tide:
- 3/12th of the tide moves in this hour. The first of the fastest 2 hours of movement.
- 50% of the tide has moved in, by the end of this hour.
- 50% of the water is yet to come
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4 HOURS after Low Tide:
- 3/12th of the tide moves in this hour. The second of the fastest 2 hrs of movement.
- 75% of the tide has moved in, by the end of this hour.
- 25% of the water is yet to come
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5 HOURS after Low Tide:
- 2/12th of the tide moves in this hour.
- 93% of the tide has moved in, by the end of this hour.
- 7% of the water is yet to come
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6 HOURS after Low Tide:
- the last 1/12th of the tide moves in this hour.
- 100% of the tide has moved in, at the end of this hour.
- No more water to come in. This is the top of the tide.
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There have been a few occasions, when I have been counting the minutes and calculating the tide, whilst I was stranded out on a bank with water too deep to cross all around me.
Hopefully your sandflats fishing can be much more successful armed with the knowledge of these variables and their effects on your fishing.
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Cheers and Tight lines, Des

Honorable mention and if I could have a fourth pick it would be a light or white colored jig. I like to throw this if it is bright or if there are alot of baitfish around.
 
I would include the white with redhead in the same group. I haven't done that well with the red head but have seen my mate clean up fishing next to me with the white and redhead jig.
 
Finally at night I like a glow jig, lots of options here.

Motor oil colour,  white and one bright one.

Could all members add to a list of Scam Stores in this thread.
I recently came across this store:
https://www.shimanostore.com/spinning-reels-shimano-vanford-2500-hg-spinning-fishing-reel/
It just seemed too good to be true !  
A few checks on the web highlighted it as a scam store
 

I think I’ll be trying thompsons beach soon 

Well done Mike some great fish to kick the season off! I MUST make more of an effort this year. (I say that every year)  

The Yellow Fin Whiting season is fast approaching. As the seasons and weather conditions change we have to think about and adapt to the changing behaviours of the Yellow Fin Whiting.
The most important thing for successful YFW lure fishing is knowing the fish!
It’s physiology. It’s habitats and ecosystems. Also it’s behaviour in all weather conditions and seasons.
The next most important thing for successful YFW lure fishing is knowing your spots. The geography and terrain.
There is always a right spot, for every weather and tide conditions. When do the fish go to a given spot? In what weather? On which tide? And what food is available there in these conditions?
The least important thing for successful YFW lure fishing is … lures !!!
Find the fish first. Before worrying about finding the right lure and technique.
 
Your chances of success will depend on assessing the weather and tide conditions on a given day and then understanding the behaviour of YFW in those conditions. YFW will be found in different locations, in different weather and tide conditions.
There is nearly always a good fishing spot available. Almost regardless of the weather conditions.
We are lucky to have the two gulfs and the Yorke Peninsula. It provides us with a variety of options regardless of the weather and which way the wind blows.
These are some weather and location factors that I consider, before I go lure fishing for YFW
 
TEMPERATURE
Early in the season air and water temperatures are critical for lure fishing. With the rising temperature their metabolism, muscle functions and locomotion increases.
At the start of Spring, I usually pick a day at the end of a series of warmer days. The water would have warmed up a little by then. It takes a while for the water temperatures to change due to thermal lag. And even then I prefer fishing the warmer afternoon on these sunnier warmer days. A smaller tide on these days is a bonus. Less water to warm up in the shallows. Bigger tides can bring in cooler deeper water into the warm shallows. However this dynamic is ever changing and does go into reverse in the hottest months. Stay alert to the different water temperatures at different water depths at different times of the year.
By November, water temperatures are now consistently over 20c. Low water temperatures and a low metabolism in the YFW is, no longer a factor. A chilly morning in summer may just dull the fish’s appetite. But by mid day as they gather in the deeper areas after the morning run off they will be back to their aggressive best.
Yes the water temperature can get too hot after a hot spell. Then the obvious thing is to fish the cooler mornings.
Also pick deeper water locations during hot weather spells. Where the fish can find some relief from the hotter surface water temperatures of the shallows. If fishing the afternoon incoming tide, you will need to fish back deeper in the tide. Where the water is cooler on those very hot days.

…… Early in the season blades work better, as fish stay deeper and are less likely to rise for a surface lure.
 
WIND
Given that water temperatures are good, wind is the next most important factor for stimulating YFW surface feeding.
The perfect wind for lure fishing YFW on an open sand flat, is in the 6 to 12 knots range. Perfect to stimulate YFW feeding as they feel a lot safer under the cover of a heavy ripple or light chop on the surface of the water. The chop sufficiently obscures their vision, so they are not too discerning with lures in these conditions. Although too windy and too choppy, will stir up the sand and dirty the water. Fish will move to more protected and cleaner water.
Strong winds are okay. In fact can be brilliant for concentrating fish in certain spots.Your spot selection in these conditions becomes critical. The geography of the Yorke Peninsula and gulfs gives us a myriad of options regardless of which direction the wind is blowing. With the gulfs and peninsula, you will always have a section of coast with an offshore wind.
In strong winds, a lot more fish are gathered on the leeward coast, as they move away from the open rougher waters.
Less floating weed and accumulated weed wracks on the leeward side is also a bonus. So strong winds are great for concentrating fish in certain areas.
….  A video of the ideal wind when lure fishing YFW
 
 
….  Both fish and their predators can be found sheltering from the wind in mangrove areas.
 
HABITATS
The varied marine habitats and terrain also provides a few options for windy days. There are habitats that provide sheltered areas regardless of onshore strong winds. A spot behind a mangrove forrest wall will have less chop and cleaner water. This area attracts and holds a lot more fish as they shelter from the rougher conditions outside. Often these strong on shore winds will produce a bigger tide, due to a storm surge. The fish take advantage of this as it provides access to fresh feeding areas around samphire beds behind the mangrove wall.
 
Flooded in shore lagoons on a high tide are calmer and protected from the heavy churning chop. They will hold more fish in windier conditions. There are plenty of sandy bays and coves on the Peninsula that exist because they are sheltered, always in the leeward side of the prevailing strong winds. The water here is always cleaner and clearer, with fish more abundant in this location during windy conditions. Persistent strong winds are good. Don’t curse them, use them to your advantage.
You may need to travel to the other side of a gulf to do this. Or even a trip down to the beautiful calm and sheltered waters of Hardwicke Bay, Point Souttar and Corny Point.

…  An area sheltered by mangrove walls, that will hold more fish in stronger onshore winds.
 

…. These fish were taken at the entrance of some mangrove areas
TERRAIN
Windy days on the open sand flats, will find fish sheltering in the deeper channels that will offer protection from the wind chop in the shallows. You will also find the leeward protected side of weed banks will hold more fish. Conversely should the winds be very light the windward side of a weed bank will have more food stirred up and hold more fish. What ever the wind does, there is a suitable spot to be.
A windy day bonus - long casts downwind, always catch more fish. I avoid fishing on calm days if I can help it.

… Channels and weed banks provide some shelter
 
TIDE
Any water movement provides a feeding stimulus for YFW. The tides are the most common cause of movement and will always influence fish behaviour.
However even on a dead dodge tide, SW wind surges, afternoon seabreezes, or changes in atmospheric pressure can create enough stimulating water movement, regardless of the poor tide predictions. A small stimulus on an otherwise listless day often produces a disproportionate stimulatory reaction from the fish.
Given that the main opening to the Gulfs face SW most tides will be boosted by a SW wind. Low atmospheric pressure will also draw in a larger tide. Factor these in to the published tide predictions, as there always is always a great deal of variation in tide heights on the sandflats.

…  An old tide book explaining the factors that can effect tide height.
 
The small dodge tides can be taken advantage of. The small tide holds and concentrate fish in larger numbers in a smaller area, rather than a big tide dispersing them over a large area. At times fishing these conditions can be more like “shooting fish in a barrel”.
Big tides provide fish accessibility to new feeding habitats. Big YFW love the small Haswell crabs that live in the Samphire beds, behind the mangrove forests. This food becomes accessible to the YFW during the big tides that cover the Samphire beds. The YFW are a much easier target when they make their way in and out of the samphire beds, in a dropping big tide.
Wether it be a Dodge tide or a big Spring tide, or light winds or strong winds, you will always be presented with a few different fishing opportunities, with the different conditions.

…. Some of the largest YFW are taken on the biggest tides when they were chasing Haswell crabs in the Samphire beds

…. Crabs in the gut contents of YFW
CURRENTS
Some locations with deeper major channels, that drain the sandflats have increased water flows. The localised currents, can stimulate fish feeding. It is a good location in a dodge tide when these channels can amplify water little water movement there is in the tide.
These channels will usually bring in water of a temperature that offsets the existing shallow water temperatures. The deeper water also provides a refuge in either temperature extreme. In ambient temperature conditions they are also the tidal highways for fish.
 
There are also major ocean currents that come into play. In winter the major Leeuwin current flows across from WA and effects the lower Spencers Gulf water temperatures. Boston Bay in Pt. Lincoln is well known for winter YFW.
I have caught bags of YFW in the middle of winter on southern Yorkes when the locals tell me you won’t see them till October.
A Northerly wind with a following Westerly change will flick in the warm water flows of the Leeuwin current and bring with it schools of YFW.  Maintain a fishing log. They are a great reference.

…. The Leeuwin current brings warm water temperatures to the southern Spencers Gulf in winter
 
SUNSHINE !!!
On sunny days you catch more fish! It probably is the extra warmth and the better visibility of the lures. But it does not matter if you don’t catch fish theses beautiful days !

… It is always good fishing in the sunshine
 
So you either you pick the best weather days for your regular spot, or you pick a new spot to suit the weather and tides on the day.
One way or another you should be able to catch a good feed of YFW on lures. Regardless of the weather.
 
Tight Lines,
Cheers, Des

Amazing post Des
yfw flats fishing is easily my favourite form of fishing and these days I just don’t have the time like I used to
posts like this certainly give me some motivation, thanks mate

This is a sign the world has gone mad if anything is.
Don't get me wrong, I quite enjoy the old snook, both catching and, when fresh, on the chew (just accept you're losing the entire rib section then skin for A grade fillets, mmmmm), but $20kg for whole fish would be near on $40kg for fillets which is crazy talk.
Tommies, mullet, bloody STs(!) etc are a similar sort of price & don't even start me on the real crazy stuff like cockles and pillies. This is bait people! Not $20 per kg food!
No-one on here actually buys seafood of course so I guess what I'm getting at is, now more than ever, YOU CAN'T AFFORD TO NOT GO FISHING! So let your bosses/missuses/etc know how things are and get out there when you can and start saving a fortune!