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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Saturday
High: 48 °F
E 25kt
7-8ft

Small Craft Advisory
Saturday Night
Low: 42 °F
E 25kt
9-10ft

Small Craft Advisory
Sunday
High: 46 °F
E 10kt
6-8ft
Sunday Night
Low: 41 °F
SE 10kt
5-6ft
Monday
High: 47 °F
Light Wind
4ft
Monday Night
Low: 42 °F
Light Wind
3ft
Tuesday
High: 49 °F
ENE 10kt
3ft
Tuesday Night
Low: 43 °F
Light Wind
2ft
Wednesday
High: 47 °F
Light Wind
3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:25 am AKDT May 9, 2026
Forecast Valid: 4am AKDT May 9, 2026-6pm AKDT May 15, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

Synopsis: A gale force low will continue to lift north through the Gulf, increasing winds from south to north. Winds will continue to increase as the low moves northward with strongest winds impacting the eastern Gulf and coastal waters Saturday. Seas could reach as high as 15 feet to 18 feet in outer coastal waters and the Gulf. Winds and seas will start to slowly subside Saturday evening into Sunday.

Saturday

E wind around 25 kt, with gusts as high as 35 kt. Showers. Seas 7 to 8 ft.

Saturday Night

E wind 20 to 25 kt, with gusts as high as 30 kt. Rain. Seas 9 to 10 ft.

Sunday

E wind around 10 kt. Rain. The rain could be heavy at times. Seas 6 to 8 ft.

Sunday Night

SE wind around 10 kt becoming SSW after midnight. Rain, mainly before 4am. Seas 5 to 6 ft.

Monday

Variable winds 5 kt or less. A chance of rain before 10am. Seas around 4 ft.

Monday Night

Variable winds 5 kt or less. Mostly cloudy. Seas around 3 ft.

Tuesday

ENE wind 5 to 10 kt. A chance of showers. Seas around 3 ft.

Tuesday Night

Variable winds 5 kt or less. Showers likely. Seas around 2 ft.

Wednesday

Variable winds 5 kt or less. 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.