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Sea Westray Firth (Orkney Islands) — a spot well known among anglers. About 90.8 km² in area. Nearest town — Kirkwall. A coastal water: the bite here is modelled for the sea, not for a river or a lake. 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.
Drizzle: 12–18 °C
The bite is weak — fish are sluggish. A thunderstorm is possible: activity rises before the front and drops after.
Best time — 20:00–22:00 (dusk bite).
Look for structure — reefs, flats, channel edges; work them slowly near the bottom.
The water's turning murky — go with bright, noisy lures: pirk or lugworm bottom rig.
Pack transitional-season clothing — mornings and evenings are chilly. A thunderstorm is possible — bring a rain jacket, and pack up at the first rumble of thunder.
A slow day — go only if you really feel like it.
The computed water temperature is around 13 °C — warmer than the 4–12 °C comfort range for Atlantic cod: in the heat it drops deeper and feeds less often.
Atlantic cod works the twilight: the peaks are pinned to sunrise and sunset — their times are in the sun-and-moon card above.
Pressure is dropping 16 hPa over the day — fish are usually more active ahead of a weather change.
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.
September is an average month for Atlantic cod 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| -0.8 m | -0.5 m | -0.3 m | -0.1 m | 0.1 m | 0.1 m | 0.2 m | 0.1 m | -0.1 m | -0.5 m | -0.8 m | -0.8 m | -0.8 m | -0.5 m | -0.2 m | 0.0 m | 0.2 m | 0.4 m | 0.5 m | 0.5 m | 0.2 m | -0.2 m | -0.6 m | -0.9 m |
Open-Meteo tide model, grid point 2.3 mi away
Open-Meteo Marine model, grid cell 2.3 mi from the waterbody. Values are daily means.
Drizzle · feels like +13°
The day is 5 min shorter than yesterday.
Sunshine hours count direct sun only — cloud cover cuts it, so it is shorter than daylight.
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?