Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

33NM NNE Shemya AK

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NNE wind around 35 kt. Rain.   Seas around 9 ft.

      High: 38 °F

      NNE 35kt
      9ft

    • Tonight

      Tonight:NNE wind 40 to 50 kt decreasing to 30 to 40 kt. Winds could gust as high as 55 kt. Rain and snow, becoming all rain after 9pm.   Seas 13 ft building to 20 ft.

      Low: 35 °F

      NNE 50kt⇓
      Waves Building20ft

      Storm Warning
      Storm Warning

    • Monday

      Monday:NE wind 20 to 25 kt becoming S 10 to 15 kt in the afternoon. Rain, mainly before 3pm.   Seas 18 to 19 ft.

      High: 38 °F

      NE 25kt⇓
      18-19ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday Night

      Monday Night:S wind 20 to 25 kt increasing to 25 to 30 kt after midnight. Showers likely, mainly after midnight.   Seas 19 ft subsiding to 14 ft.

      Low: 36 °F

      ⇑S 30kt
      19ftWaves Subsiding

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:S wind 40 to 45 kt decreasing to 30 to 35 kt in the afternoon. Rain showers likely before noon, then rain and snow showers likely.   Seas 10 to 12 ft.

      High: 38 °F

      S 45kt⇓
      10-12ft

    • Tuesday Night

      Tuesday Night:S wind around 25 kt. Scattered rain and snow showers before 9pm, then scattered snow showers.   Seas around 10 ft.

      Low: 35 °F

      S 25kt
      10ft

    • Wednesday

      Wednesday:S wind 20 to 25 kt. Snow showers likely, mainly after 9am.   Seas around 10 ft.

      High: 37 °F

      S 25kt
      10ft

    • Wednesday Night

      Wednesday Night:S wind around 20 kt, with gusts as high as 25 kt. Snow showers likely before 9pm, then a chance of rain between 9pm and 3am.   Seas 8 to 10 ft.

      Low: 33 °F

      S 20kt
      8-10ft

    • Thursday

      Thursday:SSW wind 15 to 20 kt becoming SE in the afternoon. Mostly sunny. Seas 6 to 8 ft.

      High: 37 °F

      SSW 20kt
      6-8ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:09 pm AKST Feb 9, 2025
Forecast Valid: 4pm AKST Feb 9, 2025-6pm AKST Feb 15, 2025

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Detailed Forecast

...STORM WARNING TONIGHT...

Synopsis: A 943 mb low 215 nm southwest of Adak this afternoon moves to 265 nm northwest of Shemya at 946 mb by Tue morning. Its front reaches the Mainland Tue morning and dissipates.

This Afternoon
NNE wind around 35 kt. Rain. Seas around 9 ft.
Tonight
NNE wind 40 to 50 kt decreasing to 30 to 40 kt. Winds could gust as high as 55 kt. Rain and snow, becoming all rain after 9pm. Seas 13 ft building to 20 ft.
Monday
NE wind 20 to 25 kt becoming S 10 to 15 kt in the afternoon. Rain, mainly before 3pm. Seas 18 to 19 ft.
Monday Night
S wind 20 to 25 kt increasing to 25 to 30 kt after midnight. Showers likely, mainly after midnight. Seas 19 ft subsiding to 14 ft.
Tuesday
S wind 40 to 45 kt decreasing to 30 to 35 kt in the afternoon. Rain showers likely before noon, then rain and snow showers likely. Seas 10 to 12 ft.
Tuesday Night
S wind around 25 kt. Scattered rain and snow showers before 9pm, then scattered snow showers. Seas around 10 ft.
Wednesday
S wind 20 to 25 kt. Snow showers likely, mainly after 9am. Seas around 10 ft.
Wednesday Night
S wind around 20 kt, with gusts as high as 25 kt. Snow showers likely before 9pm, then a chance of rain between 9pm and 3am. Seas 8 to 10 ft.
Thursday
SSW wind 15 to 20 kt becoming SE in the afternoon. Mostly sunny. Seas 6 to 8 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: 3:09 pm AKST Feb 9, 2025
Forecast Valid: 4pm AKST Feb 9, 2025-6pm AKST Feb 15, 2025
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