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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Today
High: 41 °F
NE 15kt
4ft
Tonight
Low: 39 °F
NE 20kt
3-4ft

Small Craft Advisory
Monday
High: 43 °F
NNE 10kt
3-5ft
Monday Night
Low: 39 °F
W 20kt
7ft
Tuesday
High: 42 °F
W 15kt
4-6ft
Tuesday Night
Low: 39 °F
W 10kt
3-4ft
Wednesday
High: 42 °F
W 10kt
4ft
Wednesday Night
Low: 39 °F
WSW 10kt
4ft
Thursday
High: 43 °F
WSW 10kt
4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:43 am AKDT Apr 5, 2026
Forecast Valid: 10am AKDT Apr 5, 2026-6pm AKDT Apr 11, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A low will move north along the coast Sunday, increasing southeasterly winds and seas with widespread rainfall. Sunday night into Monday westerly near gale, to gale force, winds impact the eastern Gulf.

Today

NE wind around 15 kt. Rain, mainly after 1pm. Seas around 4 ft.

Tonight

NE wind 15 to 20 kt. Rain. Seas 3 to 4 ft.

Monday

NNE wind 5 to 10 kt becoming W in the afternoon. Rain, mainly before 10am. Seas 3 to 5 ft.

Monday Night

W wind 15 to 20 kt, with gusts as high as 30 kt. Mostly cloudy. Seas around 7 ft.

Tuesday

W wind 10 to 15 kt. Partly sunny. Seas 4 to 6 ft.

Tuesday Night

W wind around 10 kt. A chance of showers after 4am. Seas 3 to 4 ft.

Wednesday

W wind 5 to 10 kt. Rain likely, mainly after 10am. Seas around 4 ft.

Wednesday Night

WSW wind around 10 kt. Rain likely. Seas around 4 ft.

Thursday

WSW wind around 10 kt becoming E in the morning. Rain likely. Seas around 4 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.