For More Weather Information:

Anchorage, AK Local Forecast Office

5NM S Chiswell Islands AK

Marine Point Forecast

[NOTICE]

Today
High: 44 °F
SSW 10kt
9-10ft

Small Craft Advisory
Tonight
Low: 40 °F
ENE 10kt
6-7ft
Sunday
High: 44 °F
NE 15kt
5ft
Sunday Night
Low: 40 °F
NE 15kt
5-6ft
Monday
High: 43 °F
ENE 25kt
7ft
Monday Night
Low: 40 °F
E 25kt
12ft
Tuesday
High: 42 °F
ESE 20kt
11ft
Tuesday Night
Low: 40 °F
S 10kt
7-8ft
Wednesday
High: 42 °F
S 10kt
4-6ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:44 am AKDT May 2, 2026
Forecast Valid: 11am AKDT May 2, 2026-6pm AKDT May 8, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY TODAY...

Synopsis: A front will lift north across the Gulf of Alaska towards the coast through tonight where it will briefly stall before moving inland Sunday night.

Today

SSW wind around 10 kt. A slight chance of rain. Seas 9 to 10 ft.

Tonight

SE wind 5 to 10 kt becoming ENE after midnight. Rain likely, mainly after 1am. Seas 6 to 7 ft.

Sunday

NE wind around 15 kt, with gusts as high as 20 kt. Rain likely. Seas around 5 ft.

Sunday Night

NE wind around 15 kt. Rain. Seas 5 to 6 ft.

Monday

ENE wind 20 to 25 kt, with gusts as high as 30 kt. Rain. The rain could be heavy at times. Seas around 7 ft.

Monday Night

E wind 20 to 25 kt. Showers before 1am, then showers after 4am. Seas 7 ft building to 12 ft.

Tuesday

ESE wind 15 to 20 kt, with gusts as high as 30 kt. Showers. Seas around 11 ft.

Tuesday Night

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

Wednesday

S wind 5 to 10 kt. Showers. Seas 4 to 6 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.