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Hot off the Presses - The NWS Anchorage Climate Outlook - the Autumn 2026 and Winter 2026-2027 Edition
New: NWS Anchorage will beginning issuing Heat Advisories on or about June 9, 2026.

For More Weather Information:

Chiniak AK

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 6:53 am AKDT Jul 31, 2026
Forecast Valid: 11am AKDT Jul 31, 2026-6pm AKDT Aug 6, 2026

Synopsis: A ridge of high pressure extends across the northern Gulf of Alaska through Sat morning.

Today

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

Tonight

Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.

Saturday

SW wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Seas around 2 ft.

Saturday Night

S wind around 10 kt. Partly cloudy. Seas around 2 ft.

Sunday

S wind 5 to 10 kt. Mostly sunny. Seas around 2 ft.

Sunday Night

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

Monday

S wind around 15 kt, with gusts as high as 20 kt. A chance of showers after 10am. Seas around 2 ft.

Monday Night

S wind around 20 kt, with gusts as high as 25 kt. Showers. Seas around 2 ft.

Tuesday

S wind around 20 kt, with gusts as high as 25 kt. 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.

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