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New: NWS Anchorage will beginning issuing Heat Advisories on or about June 9, 2026.

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[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 8:03 pm AKDT May 20, 2026
Forecast Valid: 2am AKDT May 21, 2026-6pm AKDT May 27, 2026

Synopsis: A 976 mb low at 52N 174W moves to 58N 163W at 992 mb Thu afternoon and continues inland by Fri morning.

Thursday

NNW wind around 20 kt. A chance of rain. Seas 8 to 9 ft.

Thursday Night

WNW wind around 20 kt. A chance of rain, mainly after 4am. Seas 7 to 8 ft.

Friday

WNW wind around 20 kt. A chance of rain and snow, mainly before 7am. Seas 6 to 7 ft.

Friday Night

NW wind around 15 kt. A chance of rain between 10pm and 4am. Seas 5 to 6 ft.

Saturday

N wind around 15 kt. Mostly cloudy. Seas around 4 ft.

Saturday Night

N wind 10 to 15 kt. Mostly cloudy. Seas 3 to 4 ft.

Sunday

NE wind 5 to 10 kt. Cloudy. Seas 2 to 3 ft.

Sunday Night

NE wind 15 to 25 kt. Rain and snow showers likely, mainly after 4am. Seas around 5 ft.

Memorial Day

NNE wind around 30 kt, with gusts as high as 35 kt. Rain and snow showers likely before 10am, then a chance of rain showers. Seas 6 to 7 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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