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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 42 °F
W 20kt
6ft

Small Craft Advisory
Tonight
Low: 38 °F
WNW 25kt
7-8ft

Small Craft Advisory
Tuesday
High: 40 °F
W 20kt
5-6ft
Tuesday Night
Low: 38 °F
W 15kt
4ft
Wednesday
High: 41 °F
SW 10kt
4-5ft
Wednesday Night
Low: 39 °F
SW 10kt
5ft
Thursday
High: 40 °F
E 10kt
4ft
Thursday Night
Low: 38 °F
E 10kt
3-4ft
Friday
High: 43 °F
NE 10kt
3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:45 pm AKDT Apr 6, 2026
Forecast Valid: 3pm AKDT Apr 6, 2026-6pm AKDT Apr 12, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH TUESDAY MORNING...

Synopsis: A low pressure system is weakening and moving into British Columbia. A cold front moving from west to east will move over the southern half of the panhandle through tonight. Building high pressure in the central gulf will continue to generate elevated winds in the eastern gulf through the morning hours tomorrow.

This Afternoon

W wind around 20 kt. Mostly sunny. Seas around 6 ft.

Tonight

WNW wind 20 to 25 kt, with gusts as high as 35 kt. Partly cloudy. Seas 7 to 8 ft.

Tuesday

W wind 15 to 20 kt. Increasing clouds. Seas 5 to 6 ft.

Tuesday Night

W wind 10 to 15 kt. Rain likely, mainly after 4am. Seas around 4 ft.

Wednesday

SW wind 5 to 10 kt. Rain. Seas 4 to 5 ft.

Wednesday Night

SW wind around 10 kt. Rain. Seas around 5 ft.

Thursday

E wind 5 to 10 kt. Rain. Seas around 4 ft.

Thursday Night

E wind 5 to 10 kt. Rain. Seas 3 to 4 ft.

Friday

NE wind around 10 kt. A chance of rain. Seas around 3 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.