For More Weather Information:

Anchorage, AK Local Forecast Office

Chiswell Islands AK

Marine Point Forecast

[NOTICE]

Overnight
Low: 50 °F
SW 10kt
2ft
Thursday
High: 51 °F
Light Wind
2ft
Thursday Night
Low: 49 °F
NNE 10kt
2ft
Friday
High: 51 °F
Light Wind
2ft
Friday Night
Low: 50 °F
SW 10kt
2ft
Independence Day
High: 52 °F
ENE 10kt
2-3ft
Saturday Night
Low: 49 °F
ENE 15kt
2ft
Sunday
High: 55 °F
ENE 15kt
2ft
Sunday Night
Low: 51 °F
Light Wind
2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:17 pm AKDT Jul 1, 2026
Forecast Valid: 11pm AKDT Jul 1, 2026-6pm AKDT Jul 8, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A 1011 mb low 100 nm S of Kodiak City remains nearly stationary before dissipating tonight. A 1004 mb low forms Thu afternoon 60 nm SE of Kodiak City and moves to 190 nm W of Sitka at 1010 mb Fri afternoon.

Overnight

SW wind around 10 kt. Mostly cloudy. Seas around 2 ft.

Thursday

Variable winds 5 kt or less. Cloudy. Seas around 2 ft.

Thursday Night

NNE wind 5 to 10 kt. A slight chance of rain between 10pm and 4am. Seas around 2 ft.

Friday

Variable winds 5 kt or less. Partly sunny. Seas around 2 ft.

Friday Night

SW wind 5 to 10 kt. Rain likely, mainly after 4am. Seas around 2 ft.

Independence Day

ENE wind 5 to 10 kt. Rain. The rain could be heavy at times. Seas 2 to 3 ft.

Saturday Night

ENE wind around 15 kt. Rain. The rain could be heavy at times. Seas around 2 ft.

Sunday

ENE wind 10 to 15 kt. Showers. Seas around 2 ft.

Sunday Night

Variable winds 5 kt or less. 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.