Mendenhall Lake has crested at 10.18ft. Read more here.

Water levels in the Mendenhall Lake have crested and are rapidly diminishing. Read More >

For More Weather Information:

Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Today
High: 50 °F
SW 10kt
3ft
Tonight
Low: 47 °F
S 10kt
3ft
Saturday
High: 50 °F
ENE 15kt
3-5ft
Saturday Night
Low: 46 °F
ENE 20kt
7-8ft
Sunday
High: 52 °F
ENE 10kt
5-7ft
Sunday Night
Low: 48 °F
S 10kt
5ft
Monday
High: 51 °F
SW 10kt
5ft
Monday Night
Low: 47 °F
SW 10kt
4-5ft
Tuesday
High: 50 °F
E 10kt
4-5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:24 am AKDT Oct 2, 2026
Forecast Valid: 8am AKDT Oct 2, 2026-6pm AKDT Oct 8, 2026

View Nearby Observations

Detailed Forecast

Synopsis: Winds and seas continue to diminish into Friday night along the eastern Gulf. Another low moves into the Gulf Friday night, bringing strong gale force conditions to much of the coast and seas of 15 to 20 ft for Saturday.

Today

SW wind around 10 kt. Showers, mainly before 4pm. Seas around 3 ft.

Tonight

S wind around 10 kt. Rain, mainly after 10pm. Seas around 3 ft.

Saturday

ENE wind 10 to 15 kt. Rain. Seas 3 to 5 ft.

Saturday Night

ENE wind around 20 kt. Rain. The rain could be heavy at times. Seas 7 to 8 ft.

Sunday

ENE wind around 10 kt becoming S in the afternoon. Rain. The rain could be heavy at times. Seas 5 to 7 ft.

Sunday Night

S wind around 10 kt. Rain. Seas around 5 ft.

Monday

E wind around 10 kt becoming SW in the morning. Rain. Seas around 5 ft.

Monday Night

SW wind around 10 kt becoming E in the evening. Rain. Seas 4 to 5 ft.

Tuesday

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