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Mendenhall River (Alaska) — a popular fishing spot. About 11 km long. The town of Juneau is nearby. Here you'll find a bite prediction — when fish are active and which hours give the best chances, adjusted for weather and pressure.
Alaska: 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Steelhead | peak | peak | peak | active | fair | active | peak | peak | peak | active | peak | peak |
| Lake trout | peak | peak | peak | peak | active | active | fair | slow | slow | active | peak | active |
| Brook trout | slow | slow | slow | fair | active | peak | peak | active | peak | peak | active | fair |
| Cutthroat trout | slow | slow | slow | fair | active | peak | active | active | active | peak | active | fair |
| Grayling | slow | slow | slow | fair | active | peak | active | active | active | peak | active | fair |
| Nelma | slow | slow | slow | fair | active | peak | peak | active | peak | peak | peak | fair |
| Pike | active | fair | fair | fair | fair | fair | active | active | active | peak | peak | peak |
| Whitefish | slow | slow | slow | fair | active | peak | peak | active | peak | peak | peak | fair |
| Rainbow trout | slow | slow | slow | fair | active | peak | peak | active | active | active | fair | slow |
| Chinook salmon | slow | slow | slow | slow | active | peak | peak | peak | active | fair | slow | slow |
| Coho salmon | slow | slow | slow | slow | slow | fair | active | peak | peak | peak | fair | slow |
| Burbot | active | fair | fair | fair | slow | slow | slow | slow | slow | fair | peak | peak |
Nearest towns and cities
Other nearby places to fish
Other nearby waters
The course is moderately sinuous: pools are scoured at the bends and riffles run between them.
Green check: this species was recorded here by GBIF. Species without a check may still occur in the waterbody.
Work the cover — snags, weed edges, hole entrances; retrieve the lure with pauses. The water's cold — fish it more delicately and slowly.
Mendenhall River — Tuesday, October 20
The bite is strong — fish are active. Pressure is dropping — this usually boosts the bite. Peak 09:00–11:00 and 19:00–21:00.
The computed water temperature is around 38 °F — colder than the 45–61 °F comfort range for Brook trout: the fish conserves energy and takes more cautiously.
Brook trout works the twilight: the peaks are pinned to sunrise and sunset — their times are in the sun-and-moon card above.
Pressure is rising 0.41 inHg 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 peak season for Brook trout here.
These are the same values the bite curve above was computed from. How the forecast works
Snow · feels like +23°
The day is 5 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 data. 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?Green check: this species was recorded here by GBIF. Species without a check may still occur in the waterbody.
Work the cover — snags, weed edges, hole entrances; retrieve the lure with pauses. The water's cold — fish it more delicately and slowly.
Mendenhall River — Tuesday, October 20
The bite is strong — fish are active. Pressure is dropping — this usually boosts the bite. Peak 09:00–11:00 and 19:00–21:00.
Measured river conditions are available for Mendenhall River: current gauge height, streamflow, and water temperature when reported by the source.
USGS gauge MENDENHALL R BL MONTANA C NR AUKE BAY AK, 0.3 mi away · measured 2026-10-20 20:45 · data source · provisional data, subject to revision