Fish the Window, Not the Day

There is a particular kind of skunking that happens to good anglers in salt water: the right spot, the right bait, a full day on the water, and nothing. Then a local shows up for ninety minutes, hooks three fish and leaves. The difference is not the spot or the bait. The local was fishing a window, and the visitor was fishing a day.

Tides move the food, and the fish follow

Salt water fishing runs on current. A rising tide pushes water — and the bait, crabs and shrimp in it — up onto flats and into estuaries where fish move in to feed; a falling tide pulls all of that back out through channels and past points where fish wait in ambush. Slack water, the pause at the top and bottom of the tide when nothing is moving, is the quietest part of the day almost everywhere. The fish are still there. They're just not eating.

So the tide table is not telling you when high and low water happen. It is telling you when the water will be moving, in which direction, and for how long — and that is the information that decides when you should be standing on the rock.

Turning a table into a window

Take the times for high and low water at the nearest station and correct them for your spot; most tide apps and the printed tables carry the correction for common secondary locations, and it can be an hour or more up an estuary. Then mark the periods of strongest flow: roughly the middle two to three hours of each rise and each fall, when the largest volume of water is moving. Those are the windows.

• A flat or an estuary mouth: the last half of the rise, when the water is deep enough to bring fish up over the shallows, then the first hour of the fall as they drop back with it.
• A point, a jetty or a channel edge: the middle of the fall, when the outgoing current is strongest and everything the flat held is being funneled past one place.
• A beach: the hours around high water, particularly when a rising tide coincides with dawn or dusk, when the surf zone is deep enough for fish to work the troughs.

Layer the light on top of the tide. A moving tide at first light is the best window most spots ever offer; a moving tide at noon under a bright sky is still better than slack water at dawn, but it's a compromise.

The bigger the tide, the harder it moves

Spring tides, around the new and full moon, have the largest range and the strongest current; neap tides in between are gentler. A strong spring ebb through a narrow channel can be unfishable — too fast to hold bottom, too much weed in the water — while the same channel on a neap is perfect. The tide table gives you the range; your log tells you what that range means at your spot.

The height of the tide is a number. The direction and the speed of the water are the fishing. Plan the trip around when the water moves, and let high and low water take care of themselves.

Fish the window, log the window

The discipline is to arrive before the window opens, fish it hard, and leave when it closes — not to fill the slack with hopeful casts and tell yourself the fish weren't there. Then log it: the tide stage, the direction, the time relative to high or low water, the moon, and what happened. Three or four trips in, the pattern for that spot is written down, and you'll find yourself checking the table before you check the weather. That's when you become the local who shows up for ninety minutes.