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Wainiha Bay (Hawaii) — a popular fishing spot. About 36 ha in area. This is a sea water — its bite forecast is a marine one, computed apart from rivers and lakes. This page shows an hourly bite forecast for today and the week ahead; the algorithm factors in the weather, atmospheric pressure, and the moon phase.
Other nearby places to fish
Other nearby waters
The basin is close to regular: the bank runs smooth and natural cover is scarce, so fish hold to the few anomalies — inflows, drop-offs and weed edges.
The water is sheltered: there is almost no fetch, so wind stirs it up very little.
Hawaii: the months when each species peaks and when it goes quiet. The current month is outlined.
| Fish | January | February | March | April | May | June | July | August | September | October | November | December |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cobia | slow | active | peak | peak | active | fair | fair | fair | active | fair | slow | slow |
| Mahi-mahi | slow | slow | fair | active | active | active | active | fair | slow | slow | slow | slow |
Wednesday, October 21
Look for structure — reefs, flats, channel edges; work them slowly near the bottom.
Wainiha Bay — Wednesday, October 21
The bite is moderate — fish feed in short bursts. Weather is steady, with no sharp swings — fish behave predictably. Peak 09:00–15:00.
The computed water temperature is around 57 °F — colder than the 68–84 °F comfort range for Cobia: the fish conserves energy and takes more cautiously.
Cobia feeds by day — between sunrise and sunset; their times are in the sun-and-moon card above.
Pressure is flat: it moves no more than 0.00 inHg over the day, so the weather isn't shifting today's bite.
One more input — the moon's feeding windows: within their hours the score sits higher than across the rest of the day. The window times are in the “Solunar feeding periods” card below.
October is an average month for Cobia here.
These are the same values the bite curve above was computed from. How the forecast works
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.9 ft | 1.9 ft | 1.8 ft | 1.7 ft | 1.6 ft | 1.6 ft | 1.6 ft | 1.8 ft | 2.0 ft | 2.2 ft | 2.4 ft | 2.5 ft | 2.5 ft | 2.4 ft | 2.2 ft | 1.9 ft | 1.7 ft | 1.4 ft | 1.4 ft | 1.4 ft | 1.5 ft | 1.7 ft | 1.9 ft | 2.1 ft |
Open-Meteo tide model, grid point 11.1 mi away
Open-Meteo Marine model, grid cell 11.1 mi from the waterbody. Values are daily means.
Drizzle · feels like +58°
The day is 1 min shorter than yesterday.
Sunshine hours count direct sun only — cloud cover cuts it, so it is shorter than daylight.
Geomagnetic fieldquiet, Kp 3.7
Kp index — NOAA forecast. Not part of the bite score: catches show no link between geomagnetic storms and the bite.
The windows are set by the moon's transit and rise, and the forecast above already accounts for them: within these hours the bite score sits higher than across the rest of the day, while the day's overall level still comes from the catch-calibrated model.
What are solunar periods?Look for structure — reefs, flats, channel edges; work them slowly near the bottom.
Wainiha Bay — Wednesday, October 21
The bite is moderate — fish feed in short bursts. Weather is steady, with no sharp swings — fish behave predictably. Peak 09:00–15:00.