Best Fishing App for Australia: Why Bite Times Beat Guesswork

A lot of “fishing apps” are really just solunar calculators with a fish logo. They show you the moon’s major and minor periods and call it a day. Solunar theory is genuinely useful — it’s covered in detail in our solunar fishing times guide — but on its own it’s one input out of six, and in Perth it usually sits behind tide and wind.

A forecast earns its keep when it answers the only question that matters: given everything happening this week, when should I go? That means weighing the feeding windows against the tide, the wind, the swell and the water, then handing you a ranked answer instead of a pile of raw numbers you have to reconcile yourself at 4am.

BiteCompass builds its forecast from the factors that actually move fish, then rolls them into a single daily bite score for each spot. The inputs:

• Solunar feeding windows — the moon’s major and minor periods, when fish are theoretically most active. A useful tiebreaker, not a trump card.
• Tides — moving water moves bait, and moving bait feeds predators. In Perth’s small tide range this still matters more than the moon on most days. See the tides view.
• Wind and swell — the factor that quietly ruins more Perth sessions than any other. A “perfect” major period at 3pm means nothing under a cranking sea breeze. The weather view shows wind direction and speed alongside the rest.
• Water temperature — species have comfort bands. A few degrees decides whether the pelagics have pushed in or the bream have gone quiet.
• Barometric pressure — a falling barometer ahead of a front often switches fish on; a high, stable system can flatten the bite.
• Time of day and light — dawn, dusk and the low-light edges around them carry most of the action regardless of what the moon says.

No single input wins. The point of a bite score is that it does the reconciling for you — a strong solunar window gets discounted when the wind is howling, and a modest one gets a nudge up when it lands on a moving tide at first light.

The score is a ranking, not a guarantee. A high number means the measurable conditions are stacking in your favour at a given spot and time; a low one means something — usually wind or a dead tide — is working against you. It won’t tell you a mulloway is sitting under the North Mole lights tonight. It will tell you that Thursday’s dawn at Trigg Beach reads better than Saturday’s, so if you only get out once, you go Thursday.

Used honestly, that’s the whole value. You stop fishing on a feeling and start fishing the best window the week is actually offering.

1. Pick your spot and species first. Tailor off Scarborough Beach wants different conditions to whiting in the Mandurah estuary. The forecast is per spot for a reason.
2. Scan the week for fishable days. Rule out the blowouts and the dead-flat tides before you look at anything else.
3. Then read the bite score and solunar overlap. Where a strong window lands on a moving tide during low light, that’s your session.
4. Check it again the morning of. Forecasts shift. A front can arrive early or stall.

The order matters. Conditions first, solunar last — that’s how you avoid becoming the bloke fishing a “strong major” into a 30-knot wall of water.

Plenty of solunar apps do their one job fine. If all you want is the moon’s major and minor times for anywhere on earth, they’ll give you that. The gap is everything around it. A moon-only app can’t tell you the sea breeze will kill the afternoon, that the tide barely moves on Tuesday, or that the water’s still a couple of degrees too cold for the pelagics to have shown.

BiteCompass is narrower on purpose — WA, SA and NSW spots, with real local tide, wind and swell data folded in — and free, with no signup needed to check a forecast and nothing to install. It runs in your browser, so there’s no app store and no login wall; a free account only adds saved spots, bite alerts and a catch log. That’s the trade: less of a globe-spanning generic tool, more of a forecast that actually knows your beach.