Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:E wind 35 to 45 kt becoming SSE 25 to 35 kt in the evening. Winds could gust as high as 50 kt. Showers.   Seas 15 ft subsiding to 11 ft.

      Low: 38 °F

      E 45kt⇓
      15ftWaves Subsiding

      Gale Warning
      Gale Warning

    • Memorial Day

      Memorial Day:NNW wind 5 to 10 kt increasing to 15 to 20 kt in the afternoon. Showers, mainly before 10am.   Seas around 10 ft.

      High: 42 °F

      ⇑NNW 20kt
      10ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday Night

      Monday Night:NW wind 30 to 35 kt. Showers likely, mainly between 1am and 4am.   Seas 10 to 11 ft.

      Low: 38 °F

      NW 35kt
      10-11ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:WNW wind 25 to 30 kt. A chance of showers before 7am, then a chance of rain between 7am and 1pm.   Seas 9 to 10 ft.

      High: 41 °F

      WNW 30kt
      9-10ft

    • Tuesday Night

      Tuesday Night:WNW wind 25 to 30 kt. Mostly cloudy. Seas 9 to 10 ft.

      Low: 38 °F

      WNW 30kt
      9-10ft

    • Wednesday

      Wednesday:WNW wind 20 to 25 kt, with gusts as high as 30 kt. Partly sunny. Seas 8 to 10 ft.

      High: 42 °F

      WNW 25kt
      8-10ft

    • Wednesday Night

      Wednesday Night:WSW wind 10 to 15 kt. A chance of rain after 10pm.   Seas 5 to 6 ft.

      Low: 39 °F

      WSW 15kt
      5-6ft

    • Thursday

      Thursday:WSW wind 10 to 15 kt. A chance of showers.   Seas 4 to 5 ft.

      High: 43 °F

      WSW 15kt
      4-5ft

    • Thursday Night

      Thursday Night:W wind around 15 kt. A chance of showers.   Seas 5 to 6 ft.

      Low: 40 °F

      W 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: 8:26 pm AKDT May 24, 2026
Forecast Valid: 9pm AKDT May 24, 2026-6pm AKDT May 31, 2026

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Detailed Forecast

...GALE WARNING THROUGH MONDAY...

Synopsis: A 970 mb North Pacific low moves to 60 nm south of Atka, to 80 nm northwest of Unalaska Bay by Mon evening and 70 nm south of Cape Newenham Tue afternoon.

Tonight
E wind 35 to 45 kt becoming SSE 25 to 35 kt in the evening. Winds could gust as high as 50 kt. Showers. Seas 15 ft subsiding to 11 ft.
Memorial Day
NNW wind 5 to 10 kt increasing to 15 to 20 kt in the afternoon. Showers, mainly before 10am. Seas around 10 ft.
Monday Night
NW wind 30 to 35 kt. Showers likely, mainly between 1am and 4am. Seas 10 to 11 ft.
Tuesday
WNW wind 25 to 30 kt. A chance of showers before 7am, then a chance of rain between 7am and 1pm. Seas 9 to 10 ft.
Tuesday Night
WNW wind 25 to 30 kt. Mostly cloudy. Seas 9 to 10 ft.
Wednesday
WNW wind 20 to 25 kt, with gusts as high as 30 kt. Partly sunny. Seas 8 to 10 ft.
Wednesday Night
WSW wind 10 to 15 kt. A chance of rain after 10pm. Seas 5 to 6 ft.
Thursday
WSW wind 10 to 15 kt. A chance of showers. Seas 4 to 5 ft.
Thursday Night
W wind around 15 kt. A chance of 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: 52.89°N 173.1°W
Last Update: 8:26 pm AKDT May 24, 2026
Forecast Valid: 9pm AKDT May 24, 2026-6pm AKDT May 31, 2026
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