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Anchorage, AK Local Forecast Office

46NM SSE Amchitka AK

Marine Point Forecast

[NOTICE]

    • Today

      Today:NNW wind 5 to 10 kt. Mostly cloudy. Seas 3 to 4 ft.

      High: 47 °F

      NNW 10kt
      3-4ft

    • Tonight

      Tonight:SSW wind 5 to 10 kt. Rain likely, mainly after 4am. Seas 2 to 3 ft.

      Low: 46 °F

      SSW 10kt
      2-3ft

    • Sunday

      Sunday:SSW wind around 15 kt becoming W in the afternoon. Rain likely, mainly before 4pm. Seas 3 to 4 ft.

      High: 47 °F

      WSW 15kt
      3-4ft

    • Sunday Night

      Sunday Night:W wind 10 to 15 kt. A chance of rain before 10pm. Seas around 4 ft.

      Low: 46 °F

      W 15kt
      4ft

    • Monday

      Monday:WSW wind 15 to 20 kt. Mostly cloudy. Seas 4 to 5 ft.

      High: 48 °F

      WSW 20kt
      4-5ft

    • Monday Night

      Monday Night:W wind around 20 kt. Mostly cloudy. Seas 5 to 6 ft.

      Low: 47 °F

      W 20kt
      5-6ft

    • Tuesday

      Tuesday:SSW wind around 20 kt. Rain likely, mainly after 4pm. Seas 5 to 6 ft.

      High: 49 °F

      SSW 20kt
      5-6ft

    • Tuesday Night

      Tuesday Night:SSW wind around 25 kt. Showers likely. Seas 6 ft building to 9 ft.

      Low: 48 °F

      SSW 25kt
      Waves Building9ft

    • Wednesday

      Wednesday:SSW wind around 25 kt, with gusts as high as 30 kt. Showers likely. Seas around 11 ft.

      High: 50 °F

      SSW 25kt
      11ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:27 am AKDT Jul 18, 2026
Forecast Valid: 9am AKDT Jul 18, 2026-6pm AKDT Jul 24, 2026

View Nearby Observations

Detailed Forecast


Synopsis: A 997 mb low 50 nm NE of Unalaska weakens and tracks 60 nm SW of Cape Newenham at 1001 mb Sun morning. The low then weakens and shifts into mainland Alaska Sun afternoon. A new trough moves into the western Bering Sun morning as a 1010 mb Eastern Russia low Sun morning moves to 270 nm W of Saint Matthew Island at 1001 mb by Mon morning.

Today
NNW wind 5 to 10 kt. Mostly cloudy. Seas 3 to 4 ft.
Tonight
SSW wind 5 to 10 kt. Rain likely, mainly after 4am. Seas 2 to 3 ft.
Sunday
SSW wind around 15 kt becoming W in the afternoon. Rain likely, mainly before 4pm. Seas 3 to 4 ft.
Sunday Night
W wind 10 to 15 kt. A chance of rain before 10pm. Seas around 4 ft.
Monday
WSW wind 15 to 20 kt. Mostly cloudy. Seas 4 to 5 ft.
Monday Night
W wind around 20 kt. Mostly cloudy. Seas 5 to 6 ft.
Tuesday
SSW wind around 20 kt. Rain likely, mainly after 4pm. Seas 5 to 6 ft.
Tuesday Night
SSW wind around 25 kt. Showers likely. Seas 6 ft building to 9 ft.
Wednesday
SSW wind around 25 kt, with gusts as high as 30 kt. Showers likely. Seas around 11 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: 50.84°N 178.46°W
Last Update: 7:27 am AKDT Jul 18, 2026
Forecast Valid: 9am AKDT Jul 18, 2026-6pm AKDT Jul 24, 2026
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