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Bay Rasmussen Basin (Nunavut) — a popular fishing spot. About 5103.6 km² in area. The town of Gjoa Haven is nearby. This is a sea water — its bite forecast is a marine one, computed apart from rivers and lakes. A smart bite calendar — moon phase, atmospheric pressure, and weather combined into an hourly fish-activity forecast for the coming days.
Nearest towns and cities
The shoreline is moderately indented: bays and points alternate with even stretches. There are many islands: the water is broken up by drop-offs and the channels between them.
The longest fetch is 104 km along the west — east axis: wind along it builds a wave on the open water and pushes silt and food towards the lee bank.
Nunavut: 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rainbow smelt | active | peak | peak | peak | peak | active | fair | slow | slow | slow | slow | fair |
| Arctic char | slow | slow | slow | slow | fair | active | peak | peak | peak | active | fair | slow |
| Dolly Varden | slow | slow | slow | slow | slow | active | peak | peak | peak | active | fair | slow |
| Greenland cod | slow | slow | slow | slow | fair | active | peak | peak | peak | active | slow | slow |
| Greenland halibut | slow | slow | slow | slow | fair | active | peak | peak | peak | active | slow | slow |
| Shorthorn sculpin | slow | slow | slow | slow | fair | active | peak | peak | peak | active | slow | slow |
Wednesday, October 21
Look for structure — reefs, flats, channel edges; work them slowly near the bottom. The water's cold — fish it more delicately and slowly.
Rasmussen Basin — Wednesday, October 21
The bite is moderate — fish feed in short bursts. Weather is steady, with no sharp swings — fish behave predictably. Peak 08:00–10:00 and 18:00–19:00.
The computed water temperature is around 4 °C — inside the 1–10 °C comfort range for Arctic char, so baseline activity is high.
Arctic char works the twilight: the peaks are pinned to sunrise and sunset — their times are in the sun-and-moon card above.
Pressure is rising 8 hPa over the day — the bite usually settles down after a rise.
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 active season for Arctic char here.
These are the same values the bite curve above was computed from. How the forecast works
Open-Meteo Marine model, grid cell 4.4 km from the waterbody. Values are daily means.
Cloudy · feels like 0°
The day is 8 min shorter than yesterday.
Sunshine hours count direct sun only — cloud cover cuts it, so it is shorter than daylight.
Geomagnetic fieldG1 geomagnetic storm, Kp 4.7
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. The water's cold — fish it more delicately and slowly.
Rasmussen Basin — Wednesday, October 21
The bite is moderate — fish feed in short bursts. Weather is steady, with no sharp swings — fish behave predictably. Peak 08:00–10:00 and 18:00–19:00.