Plan fishing around tide times.
Tidal fishing is about water movement rather than water height. Flow rate peaks near mid-tide, roughly three hours either side of high water, and drops to nothing at slack. Predatory fish exploit that flow because it sweeps bait past ambush positions, which is why so many species feed hardest on a specific phase — some on the flood as water pushes over feeding ground, others on the ebb as it drains bait out of estuaries and creeks. Tidal range then scales the whole effect: a large spring range moves far more water in the same six hours, producing stronger flow and a shorter, more intense feeding window than a weak neap tide.
Peak flow timing
Rising tide peak = high water - 3 h; falling tide peak = high water + 3 h; slack = high water
Flow strength index
Strength = tidal range m / 6 x 100, floored at 10 and capped at 100
A planning aid only. Always consult official tide tables for your specific location, as timings vary substantially even between nearby marks. Shore and estuary fishing carries real drowning risk from rising tides cutting off access, slippery rocks and unexpected swell — check local safety guidance, wear a flotation aid, and never fish alone in an unfamiliar location.
Because flow, not depth, concentrates feeding. At high and low water the tide pauses and current drops to nothing, so bait is not being moved and predators stop hunting. Mid-tide is when the same volume of water is moving fastest, which is what triggers feeding activity.
Usually more intensely but for a shorter window. A spring range moves much more water in the same six hours, so flow is strong and fish feed hard but briefly. Neaps give weaker, longer, less predictable activity — some marks fish better on neaps precisely because spring flow is too strong to hold bottom.