For More Weather Information:

Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 38 °F
E 10kt
4ft
Friday
High: 44 °F
NNE 10kt
3ft
Friday Night
Low: 37 °F
N 10kt
3ft
Saturday
High: 45 °F
NNE 10kt
3ft
Saturday Night
Low: 38 °F
Light Wind
2-3ft
Sunday
High: 42 °F
NE 10kt
2-3ft
Sunday Night
Low: 38 °F
WSW 15kt
3-4ft
Monday
High: 40 °F
SW 15kt
4ft
Monday Night
Low: 36 °F
SSW 15kt
5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:54 pm AKDT Apr 9, 2026
Forecast Valid: 8pm AKDT Apr 9, 2026-6pm AKDT Apr 16, 2026

View Nearby Observations

Detailed Forecast

Synopsis: Winds and seas relaxing briefly Thursday night as a low begins to depart the area. Friday northwesterly winds of fresh to strong breezes impact the eastern Gulf as northerly outflow begins to spread through the inner channels. On Sunday, another low enters the Gulf.

Tonight

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

Friday

NE wind 5 to 10 kt becoming N in the afternoon. Rain likely, mainly before 10am. Seas around 3 ft.

Friday Night

N wind 5 to 10 kt. Partly cloudy. Seas around 3 ft.

Saturday

NNE wind around 10 kt. Mostly sunny. Seas around 3 ft.

Saturday Night

Variable winds 5 kt or less. Partly cloudy. Seas 2 to 3 ft.

Sunday

NE wind 5 to 10 kt becoming SW in the morning. Showers likely, mainly after 1pm. Seas 2 to 3 ft.

Sunday Night

WSW wind 10 to 15 kt. Showers. Seas 3 to 4 ft.

Monday

SW wind around 15 kt. Rain showers before 10am, then rain and snow showers between 10am and 4pm, then rain showers likely after 4pm. Seas around 4 ft.

Monday Night

SSW wind 10 to 15 kt becoming SE in the evening. Rain showers likely before 10pm, then a chance of rain and snow showers between 10pm and 4am, then a chance of snow showers after 4am. Seas around 5 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.