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Anchorage, AK Local Forecast Office

33NM NNE Shemya AK

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:W wind 5 to 10 kt. A chance of rain. Seas around 4 ft.

      Low: 46 °F

      W 10kt
      4ft

    • Sunday

      Sunday:W wind 10 to 15 kt. Rain likely, mainly before 10am. Seas around 3 ft.

      High: 48 °F

      W 15kt
      3ft

    • Sunday Night

      Sunday Night:W wind around 15 kt. Mostly cloudy. Seas around 3 ft.

      Low: 46 °F

      W 15kt
      3ft

    • Monday

      Monday:WSW wind 15 to 20 kt. Mostly cloudy. Seas 4 to 6 ft.

      High: 49 °F

      WSW 20kt
      4-6ft

    • Monday Night

      Monday Night:SSW wind 15 to 25 kt. A chance of rain after 1am. Seas around 6 ft.

      Low: 47 °F

      SSW 25kt
      6ft

    • Tuesday

      Tuesday:SSW wind 25 to 35 kt. Rain likely. Seas 8 to 10 ft.

      High: 50 °F

      SSW 35kt
      8-10ft

    • Tuesday Night

      Tuesday Night:SSW wind around 20 kt, with gusts as high as 30 kt. Showers likely, mainly before 10pm. Seas 7 to 8 ft.

      Low: 47 °F

      SSW 20kt
      7-8ft

    • Wednesday

      Wednesday:SW wind 15 to 20 kt, with gusts as high as 25 kt. Showers. Seas 7 to 8 ft.

      High: 50 °F

      SW 20kt
      7-8ft

    • Wednesday Night

      Wednesday Night:ESE wind around 15 kt, with gusts as high as 25 kt. Showers. Seas 5 to 6 ft.

      Low: 47 °F

      ESE 15kt
      5-6ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:11 pm AKDT Jul 18, 2026
Forecast Valid: 10pm AKDT Jul 18, 2026-6pm AKDT Jul 25, 2026

View Nearby Observations

Detailed Forecast


Synopsis: A 999 mb low 70 nm N of Cold Bay moves to 50 nm SW of Cape Newenham at 1008 mb Sun afternoon, before dissipating over Norton Sound Mon morning. A Kamchatka low deepens to 998 mb 210 nm NW of Saint Paul on Mon afternoon. The low then tracks to 110 nm WSW of Mekoryuk at 1000 mb Mon morning.

Tonight
W wind 5 to 10 kt. A chance of rain. Seas around 4 ft.
Sunday
W wind 10 to 15 kt. Rain likely, mainly before 10am. Seas around 3 ft.
Sunday Night
W wind around 15 kt. Mostly cloudy. Seas around 3 ft.
Monday
WSW wind 15 to 20 kt. Mostly cloudy. Seas 4 to 6 ft.
Monday Night
SSW wind 15 to 25 kt. A chance of rain after 1am. Seas around 6 ft.
Tuesday
SSW wind 25 to 35 kt. Rain likely. Seas 8 to 10 ft.
Tuesday Night
SSW wind around 20 kt, with gusts as high as 30 kt. Showers likely, mainly before 10pm. Seas 7 to 8 ft.
Wednesday
SW wind 15 to 20 kt, with gusts as high as 25 kt. Showers. Seas 7 to 8 ft.
Wednesday Night
ESE wind around 15 kt, with gusts as high as 25 kt. Showers. Seas 5 to 6 ft.

*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: 53.2°N 174.59°E
Last Update: 8:11 pm AKDT Jul 18, 2026
Forecast Valid: 10pm AKDT Jul 18, 2026-6pm AKDT Jul 25, 2026
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