Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:WNW wind around 15 kt, with gusts as high as 20 kt. Mostly cloudy. Seas 5 to 6 ft.

      Low: 37 °F

      WNW 15kt
      5-6ft

    • Thursday

      Thursday:W wind 5 to 10 kt becoming ESE 10 to 15 kt in the afternoon. Rain likely, possibly mixed with snow, mainly after 4pm.   Seas around 4 ft.

      High: 40 °F

      ⇑ESE 15kt
      4ft

    • Thursday Night

      Thursday Night:E wind 30 to 35 kt, with gusts as high as 40 kt. Rain.   Seas 6 ft building to 9 ft.

      Low: 37 °F

      E 35kt
      Waves Building9ft

      Gale Warning
      Gale Warning

    • Friday

      Friday:E wind 20 to 30 kt becoming N in the afternoon. Rain.   Seas 7 to 8 ft.

      High: 40 °F

      N 30kt
      7-8ft

    • Friday Night

      Friday Night:NW wind 30 to 35 kt. Rain likely.   Seas 13 to 14 ft.

      Low: 38 °F

      NW 35kt
      13-14ft

    • Saturday

      Saturday:WNW wind 25 to 30 kt, with gusts as high as 40 kt. A chance of rain.   Seas 11 to 13 ft.

      High: 40 °F

      WNW 30kt
      11-13ft

    • Saturday Night

      Saturday Night:W wind around 20 kt, with gusts as high as 25 kt. Showers likely, mainly after 1am.   Seas 7 to 9 ft.

      Low: 38 °F

      W 20kt
      7-9ft

    • Sunday

      Sunday:WSW wind around 25 kt, with gusts as high as 30 kt. A chance of showers.   Seas 7 to 8 ft.

      High: 41 °F

      WSW 25kt
      7-8ft

    • Sunday Night

      Sunday Night:SW wind 20 to 25 kt. Showers likely.   Seas around 6 ft.

      Low: 38 °F

      SW 25kt
      6ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:15 pm AKDT May 13, 2026
Forecast Valid: 8pm AKDT May 13, 2026-6pm AKDT May 20, 2026

View Nearby Observations

Detailed Forecast

...GALE WARNING THURSDAY NIGHT...

Synopsis: A 1000 mb low 85 nm W of Cape Newenham weakens and dissipates through Fri morning. A 984 mb North Pacific low moves to 280 nm S of Shemya Thu morning and continues to 30 nm SE of Nikolski at 977 mb by Friday afternoon.

Tonight
WNW wind around 15 kt, with gusts as high as 20 kt. Mostly cloudy. Seas 5 to 6 ft.
Thursday
W wind 5 to 10 kt becoming ESE 10 to 15 kt in the afternoon. Rain likely, possibly mixed with snow, mainly after 4pm. Seas around 4 ft.
Thursday Night
E wind 30 to 35 kt, with gusts as high as 40 kt. Rain. Seas 6 ft building to 9 ft.
Friday
E wind 20 to 30 kt becoming N in the afternoon. Rain. Seas 7 to 8 ft.
Friday Night
NW wind 30 to 35 kt. Rain likely. Seas 13 to 14 ft.
Saturday
WNW wind 25 to 30 kt, with gusts as high as 40 kt. A chance of rain. Seas 11 to 13 ft.
Saturday Night
W wind around 20 kt, with gusts as high as 25 kt. Showers likely, mainly after 1am. Seas 7 to 9 ft.
Sunday
WSW wind around 25 kt, with gusts as high as 30 kt. A chance of showers. Seas 7 to 8 ft.
Sunday Night
SW wind 20 to 25 kt. Showers likely. Seas around 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: 8:15 pm AKDT May 13, 2026
Forecast Valid: 8pm AKDT May 13, 2026-6pm AKDT May 20, 2026
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