Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

47NM SSE Shemya AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:WNW wind around 20 kt. Scattered showers before 10am.   Seas 9 to 10 ft.

      High: 41 °F

      WNW 20kt
      9-10ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:NNW wind 10 to 20 kt. Mostly cloudy. Seas around 9 ft.

      Low: 38 °F

      NNW 20kt
      9ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Partly sunny. Seas 7 to 8 ft.

      High: 40 °F

      Light Wind
      7-8ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:ESE wind 15 to 20 kt increasing to 25 to 30 kt after midnight. Rain, mainly after 10pm.   Seas 7 to 8 ft.

      Low: 37 °F

      ⇑ESE 30kt
      7-8ft

    • Wednesday

      Wednesday:ESE wind 15 to 25 kt becoming SSW in the afternoon. Rain, mainly before 1pm.   Seas 8 to 10 ft.

      High: 42 °F

      ESE 25kt
      8-10ft

    • Wednesday Night

      Wednesday Night:S wind 25 to 30 kt becoming WSW after midnight. Rain likely, mainly before 1am.   Seas 14 ft building to 18 ft.

      Low: 38 °F

      WSW 30kt
      Waves Building18ft

    • Thursday

      Thursday:WSW wind around 30 kt, with gusts as high as 35 kt. A chance of rain.   Seas 19 ft subsiding to 16 ft.

      High: 41 °F

      WSW 30kt
      19ftWaves Subsiding

    • Thursday Night

      Thursday Night:SSW wind around 20 kt, with gusts as high as 30 kt. A chance of rain.   Seas 11 to 13 ft.

      Low: 38 °F

      SSW 20kt
      11-13ft

    • Friday

      Friday:SW wind 20 to 25 kt. A chance of rain.   Seas 9 to 10 ft.

      High: 42 °F

      SW 25kt
      9-10ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:05 am AKDT May 20, 2024
Forecast Valid: 8am AKDT May 20, 2024-6pm AKDT May 26, 2024

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Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

Synopsis: A 991 mb low 260 nm N of Adak dips across the Pribilof Islands at 995 mb Tue morning. It then moves 35 nm NW of Cape Newenham at 1002 mb Wed morning before moving inland of the Kuskokwim Delta. A 985 mb low moves 230 nm W of Shemya Wed morning.

Today
WNW wind around 20 kt. Scattered showers before 10am. Seas 9 to 10 ft.
Tonight
NNW wind 10 to 20 kt. Mostly cloudy. Seas around 9 ft.
Tuesday
Variable winds 5 kt or less. Partly sunny. Seas 7 to 8 ft.
Tuesday Night
ESE wind 15 to 20 kt increasing to 25 to 30 kt after midnight. Rain, mainly after 10pm. Seas 7 to 8 ft.
Wednesday
ESE wind 15 to 25 kt becoming SSW in the afternoon. Rain, mainly before 1pm. Seas 8 to 10 ft.
Wednesday Night
S wind 25 to 30 kt becoming WSW after midnight. Rain likely, mainly before 1am. Seas 14 ft building to 18 ft.
Thursday
WSW wind around 30 kt, with gusts as high as 35 kt. A chance of rain. Seas 19 ft subsiding to 16 ft.
Thursday Night
SSW wind around 20 kt, with gusts as high as 30 kt. A chance of rain. Seas 11 to 13 ft.
Friday
SW wind 20 to 25 kt. A chance of rain. Seas 9 to 10 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: 51.96°N 174.37°E
Last Update: 4:05 am AKDT May 20, 2024
Forecast Valid: 8am AKDT May 20, 2024-6pm AKDT May 26, 2024
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