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Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Today
High: 32 °F
ENE 20kt
8ft

Small Craft Advisory
Tonight
Low: 26 °F
ENE 20kt
6-7ft

Small Craft Advisory
Tuesday
High: 31 °F
NE 20kt
5-6ft
Tuesday Night
Low: 26 °F
NE 25kt
5ft
Wednesday
High: 29 °F
NE 25kt
5ft
Wednesday Night
Low: 22 °F
NE 25kt
5ft
Thursday
High: 27 °F
ENE 25kt
5ft
Thursday Night
Low: 21 °F
ENE 20kt
4ft
Friday
High: 30 °F
ENE 20kt
3-4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:22 am AKDT Mar 9, 2026
Forecast Valid: 10am AKDT Mar 9, 2026-6pm AKDT Mar 15, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH LATE TONIGHT...

Synopsis: Seas continue to diminish but remain elevated and hazardous to small craft along the outer coastal waters and ocean entrances. Outflow conditions are developing and and will continue to increase through midweek. Gales are possible for northern inner- channels by Wednesday. Quick-moving moderate to heavy snow showers will continue, which could briefly reduce visibility to a half mile or less.

Today

ENE wind 15 to 20 kt. Snow showers, mainly between 1pm and 4pm. Seas around 8 ft.

Tonight

ENE wind around 20 kt. Snow showers, mainly between 7pm and 10pm. Seas 6 to 7 ft.

Tuesday

NE wind around 20 kt. A slight chance of snow showers. Seas 5 to 6 ft.

Tuesday Night

NE wind 20 to 25 kt, with gusts as high as 30 kt. A chance of snow showers. Seas around 5 ft.

Wednesday

NE wind around 25 kt, with gusts as high as 35 kt. A chance of snow showers before 10am. Seas around 5 ft.

Wednesday Night

NE wind around 25 kt, with gusts as high as 35 kt. Widespread freezing spray after 10pm. Mostly cloudy. Seas around 5 ft.

Thursday

ENE wind around 25 kt, with gusts as high as 35 kt. Widespread freezing spray before 1pm. Mostly sunny. Seas around 5 ft.

Thursday Night

ENE wind around 20 kt. Widespread freezing spray after 7pm. Partly cloudy. Seas around 4 ft.

Friday

ENE wind 15 to 20 kt. Widespread freezing spray before 10am. Mostly sunny. Seas 3 to 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.