Focus Your Search

Find where the
signals stack up.

Pelagic Zone Edges brings the temperature, water-colour and eddy signals together and shades the water where they line up. Less guessing, more time on the water that matters.

Try the demo Read how it works

Zone Edges over SST Cloud Free, with a trip's marks and route.

How Zone Edges works

Bait gathers where water types meet, and predators follow. Zone Edges looks for the places where several of those signals line up at once.

Temperature break

Where warm and cool water meet: sea temperature changing fast over a short distance.

Water-colour edge

Where plankton-rich water meets cleaner water, or where clarity changes sharply.

Eddies

Spinning water that traps food. Warm-core eddies count more than cold-core.

At least two together

One strong signal on its own isn't enough. A zone needs at least two lining up.

Good, Better, Best

Zones are shaded in three steps, brighter for stronger water. A thin white line marks the outer edge and a bold white line rings the Best water.

A fixed scale

Strength is measured on the same scale every day, so a quiet day shows little or no Best and a strong day shows more. When the chart lights up, it means something.

GoodBetterBest

Tap for “why here?”

Tap anywhere in a shaded area to see its step and which signals are driving it. Where cloud has hidden the latest reading, the zone is scored from the other signals and the popup tells you.

Narrow it down

The Less / More slider chooses what shows: Best only, Better and Best, or all three. Pair it with Temp Break lines and current streaks to plan your run.

An estimate, not a fish finder

Zone Edges is modelled, not measured: it combines other layers to show where conditions line up for better odds. It doesn't detect fish. Use it to decide where to start looking, then read the water when you get there.