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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Today
High: 46 °F
ESE 20kt
5-7ft

Small Craft Advisory
Tonight
Low: 45 °F
ESE 20kt
8-9ft

Small Craft Advisory
Wednesday
High: 46 °F
ESE 10kt
6-7ft

Small Craft Advisory
Wednesday Night
Low: 44 °F
ESE 10kt
6-8ft
Thursday
High: 46 °F
⇑ENE 25kt
8-10ft
Thursday Night
Low: 42 °F
ENE 25kt
10-11ft
Friday
High: 47 °F
SE 20kt
11-12ft
Friday Night
Low: 42 °F
E 20kt
11-12ft
Saturday
High: 45 °F
E 20kt
10-12ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:17 am AKST Nov 3, 2026
Forecast Valid: 6am AKST Nov 3, 2026-6pm AKST Nov 9, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THIS AFTERNOON THROUGH LATE TONIGHT...

Synopsis: A strengthening low lifting towards Kodiak Island will send a gale to storm force front through the outer waters today, weakening as it pushes into the panhandle tonight. S to SE- ly gales are expected for the outer waters and into Clarence Strait, with E-ly storm force winds from Icy Bay to Cape Suckling. Large seas 15 to 25+ ft seas are also expected. Strong SE-ly winds will build into the inner channels today as well. Winds and seas will subside through tonight but will remain elevated into Wednesday for the outer coastal waters into Clarence Strait. Another larger and stronger system will bring widespread gale to storm force winds and large seas Thursday into Friday.

Today

ESE wind around 20 kt. Rain, mainly after noon. Seas 5 to 7 ft.

Tonight

ESE wind 10 to 20 kt. Rain, mainly before 3am. Seas 8 to 9 ft.

Wednesday

ESE wind 5 to 10 kt. A chance of rain. Seas 6 to 7 ft.

Wednesday Night

ESE wind around 10 kt. Rain. Seas 6 to 8 ft.

Thursday

ENE wind 15 to 20 kt increasing to 20 to 25 kt in the afternoon. Winds could gust as high as 35 kt. Rain. Seas 8 to 10 ft.

Thursday Night

ENE wind 20 to 25 kt becoming ESE after midnight. Winds could gust as high as 35 kt. Rain. Seas 10 to 11 ft.

Friday

SE wind around 20 kt, with gusts as high as 35 kt. Rain. Seas 11 to 12 ft.

Friday Night

S wind around 20 kt becoming E after midnight. Winds could gust as high as 30 kt. Rain. Seas 11 to 12 ft.

Saturday

E wind around 20 kt, with gusts as high as 30 kt. Rain. Seas 10 to 12 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.