For More Weather Information:

Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Today
High: 40 °F
WSW 20kt
5-7ft

Small Craft Advisory
Tonight
Low: 38 °F
WSW 15kt
3-4ft
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: 41 °F
NE 10kt
3ft
Friday Night
Low: 39 °F
NE 10kt
3ft
Saturday
High: 45 °F
NE 10kt
2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:05 am AKDT Apr 7, 2026
Forecast Valid: 6am AKDT Apr 7, 2026-6pm AKDT Apr 13, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH THIS MORNING...

Synopsis: As a low pressure system moves east into Canada, a surface high is moving east into our coast. Winds and seas will start to diminish through the day Tuesday before another low lifts into the northern coast bringing winds of fresh to strong breezes.

Today

WSW wind 15 to 20 kt. Cloudy. Seas 5 to 7 ft.

Tonight

WSW wind 10 to 15 kt. Rain likely, mainly after 4am. Seas 3 to 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, mainly before 4am. Seas 3 to 4 ft.

Friday

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

Friday Night

NE wind around 10 kt. A chance of sprinkles. Seas around 3 ft.

Saturday

NE wind around 10 kt. Partly sunny. Seas around 2 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.