For More Weather Information:

Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 43 °F
E 15kt
3ft
Tonight
Low: 40 °F
E 10kt
7ft

Small Craft Advisory
Saturday
High: 44 °F
E 15kt
9-10ft

Small Craft Advisory
Saturday Night
Low: 41 °F
ESE 15kt
8-10ft

Small Craft Advisory
Sunday
High: 46 °F
ENE 10kt
7-8ft

Small Craft Advisory
Sunday Night
Low: 42 °F
ESE 10kt
6ft
Monday
High: 46 °F
ESE 10kt
5-6ft
Monday Night
Low: 41 °F
E 10kt
4-5ft
Tuesday
High: 46 °F
E 20kt
4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:41 pm AKDT Oct 30, 2026
Forecast Valid: 3pm AKDT Oct 30, 2026-6pm AKST Nov 5, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A strong frontal system across the Central Gulf of Alaska will move northeastward over the Gulf and then over the Inner Channels of southeast Alaska by Saturday evening. This front will bring increased seas and winds over the area waters with improving conditions starting from the western Gulf late Saturday afternoon. The next impactful system that will impact the cvoastal waters of southeast Alaska will begin moving into the area late Monday night/Tuesday morning.

This Afternoon

E wind around 15 kt. Cloudy. Seas around 3 ft.

Tonight

E wind around 10 kt. A chance of rain after 10pm. Seas 4 ft building to 7 ft.

Saturday

E wind around 15 kt. Rain. Seas 9 to 10 ft.

Saturday Night

ESE wind 10 to 15 kt. Rain. The rain could be heavy at times. Seas 8 to 10 ft.

Sunday

ENE wind around 10 kt. Showers. Seas 7 to 8 ft.

Sunday Night

ESE wind around 10 kt. Showers. Seas around 6 ft.

Monday

ESE wind 5 to 10 kt. Rain. Seas 5 to 6 ft.

Monday Night

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

Tuesday

E wind 15 to 20 kt. Rain likely. Seas around 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.