For More Weather Information:

Anchorage, AK Local Forecast Office

5NM S Chiswell Islands AK

Marine Point Forecast

[NOTICE]

Today
High: 32 °F
NE 10kt
7ft
Tonight
Low: 31 °F
NE 10kt⇓
8ft

Small Craft Advisory
Wednesday
High: 32 °F
⇑NNE 20kt
5-7ft
Wednesday Night
Low: 30 °F
NNE 20kt
5-6ft
Thursday
High: 32 °F
N 20kt⇓
6ft
Thursday Night
Low: 31 °F
WNW 10kt
3-4ft
Friday
High: 37 °F
WNW 10kt
3-4ft
Friday Night
Low: 34 °F
NNW 20kt
3-4ft
Saturday
High: 38 °F
N 20kt
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: 2:37 am AKST Dec 9, 2025
Forecast Valid: 5am AKST Dec 9, 2025-6pm AKST Dec 15, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

Synopsis: A 995 mb low 150 nm SE of Middleton Island will weaken and be absorbed by a low exiting into the eastern Gulf. A through moving south through the state will generate a new 1007 mb low 120 nm S of Seward Wed afternoon.

Today

NE wind around 10 kt. A slight chance of snow showers after 3pm. Seas 3 ft building to 7 ft.

Tonight

NE wind 5 to 10 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Seas 8 ft subsiding to 5 ft.

Wednesday

NNE wind 10 to 15 kt increasing to 15 to 20 kt in the morning. Mostly sunny. Seas 5 to 7 ft.

Wednesday Night

NNE wind 15 to 20 kt. Mostly clear. Seas 5 to 6 ft.

Thursday

N wind 15 to 20 kt decreasing to 5 to 10 kt in the afternoon. Sunny. Seas 6 ft subsiding to 3 ft.

Thursday Night

N wind 5 to 10 kt becoming WNW after midnight. Mostly clear. Seas 3 to 4 ft.

Friday

WNW wind around 10 kt. Sunny. Seas 3 to 4 ft.

Friday Night

NNW wind 10 to 20 kt. Clear. Seas 3 to 4 ft.

Saturday

N wind around 20 kt. Sunny. 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.