For More Weather Information:

Juneau, AK Local Forecast Office

Cape Spencer AK

Marine Point Forecast

[NOTICE]

Today
High: 51 °F
NE 10kt
4ft
Tonight
Low: 44 °F
Light Wind
4ft
Tuesday
High: 47 °F
SSW 15kt
8ft

Small Craft Advisory
Tuesday Night
Low: 43 °F
SW 15kt
7ft
Wednesday
High: 46 °F
SW 10kt
5-6ft
Wednesday Night
Low: 43 °F
SW 10kt
4-5ft
Thursday
High: 44 °F
SW 10kt
3-4ft
Thursday Night
Low: 43 °F
Light Wind
2-3ft
Friday
High: 46 °F
ENE 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: 6:34 am AKDT May 4, 2026
Forecast Valid: 7am AKDT May 4, 2026-6pm AKDT May 10, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A ridge of high pressure slowly moves over the eastern half of the Gulf of Alaska. A low in the western gulf moves north Tuesday, sending a front into the northeastern gulf coast and increasing winds through the inner channels. The ridge of high pressure begins to relax Wednesday but lingers into late week. A low moves up from the South and into the Gulf on Friday.

Today

NE wind 5 to 10 kt. Areas of fog before 10am. Seas around 4 ft.

Tonight

Variable winds 5 kt or less. Areas of fog after 1am. Seas around 4 ft.

Tuesday

SSW wind 10 to 15 kt. A slight chance of rain. Areas of fog before 10am. Seas 5 ft building to 8 ft.

Tuesday Night

SW wind 10 to 15 kt. Rain likely, mainly after 4am. Seas around 7 ft.

Wednesday

SW wind around 10 kt. Showers likely, mainly after 4pm. Seas 5 to 6 ft.

Wednesday Night

SW wind around 10 kt. Showers likely, mainly before 7pm. Seas 4 to 5 ft.

Thursday

SW wind around 10 kt. Mostly cloudy. Seas 3 to 4 ft.

Thursday Night

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

Friday

ENE wind 5 to 10 kt. A chance of showers. 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.