Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

28NM SW Shemya AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:W wind 5 to 10 kt. Mostly cloudy. Seas 1 ft or less.

      Low: 46 °F

      W 10kt
      < 1ft

    • Friday

      Friday:SW wind 5 to 10 kt becoming SSE in the afternoon. Rain, mainly after 4pm.   Seas 1 ft or less.

      High: 55 °F

      SSE 10kt
      < 1ft

    • Friday Night

      Friday Night:S wind 10 to 15 kt. Showers.   Seas 1 ft or less.

      Low: 48 °F

      S 15kt
      < 1ft

    • Saturday

      Saturday:SSW wind around 20 kt. Rain likely, mainly before 10am.   Seas 1 ft or less.

      High: 56 °F

      SSW 20kt
      < 1ft

    • Saturday Night

      Saturday Night:SSW wind 20 to 25 kt. Rain, mainly after 1am.   Seas 1 ft or less.

      Low: 50 °F

      SSW 25kt
      < 1ft

    • Sunday

      Sunday:SSW wind 20 to 25 kt. Showers, mainly before 1pm.   Seas 1 ft or less.

      High: 55 °F

      SSW 25kt
      < 1ft

    • Sunday Night

      Sunday Night:WSW wind 15 to 20 kt. A chance of rain.   Seas 1 ft or less.

      Low: 48 °F

      WSW 20kt
      < 1ft

    • Monday

      Monday:W wind 10 to 15 kt, with gusts as high as 20 kt. A chance of rain.   Seas 1 ft or less.

      High: 54 °F

      W 15kt
      < 1ft

    • Monday Night

      Monday Night:WSW wind 5 to 10 kt. Mostly cloudy. Seas 1 ft or less.

      Low: 47 °F

      WSW 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 10:25 pm AKDT Jul 30, 2026
Forecast Valid: 10pm AKDT Jul 30, 2026-6pm AKDT Aug 6, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY TONIGHT AND FRIDAY NIGHT...

Synopsis: A 1005 mb low 100 nm SW of Shemya moves to 75 nm SE of St George at 1007 mb Fri afternoon. Its front moves through the Aleutians reaching the Mainland Fri evening. A ridge of high pressure moves in behind the low.

Tonight
W wind 5 to 10 kt. Mostly cloudy. Seas 1 ft or less.
Friday
SW wind 5 to 10 kt becoming SSE in the afternoon. Rain, mainly after 4pm. Seas 1 ft or less.
Friday Night
S wind 10 to 15 kt. Showers. Seas 1 ft or less.
Saturday
SSW wind around 20 kt. Rain likely, mainly before 10am. Seas 1 ft or less.
Saturday Night
SSW wind 20 to 25 kt. Rain, mainly after 1am. Seas 1 ft or less.
Sunday
SSW wind 20 to 25 kt. Showers, mainly before 1pm. Seas 1 ft or less.
Sunday Night
WSW wind 15 to 20 kt. A chance of rain. Seas 1 ft or less.
Monday
W wind 10 to 15 kt, with gusts as high as 20 kt. A chance of rain. Seas 1 ft or less.
Monday Night
WSW wind 5 to 10 kt. Mostly cloudy. Seas 1 ft or less.

*Notices:

  1. 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.
  2. 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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ABOUT THIS FORECAST

Point Forecast: 52.39°N 173.55°E
Last Update: 10:25 pm AKDT Jul 30, 2026
Forecast Valid: 10pm AKDT Jul 30, 2026-6pm AKDT Aug 6, 2026
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