Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:N wind 25 to 30 kt. Rain likely.   Seas 8 to 10 ft.

      High: 39 °F

      N 30kt
      8-10ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:NW wind around 35 kt. Rain likely, mainly before 1am.   Seas 14 to 15 ft.

      Low: 35 °F

      NW 35kt
      14-15ft

      Gale Warning
      Gale Warning

    • Saturday

      Saturday:W wind around 30 kt, with gusts as high as 40 kt. A chance of rain, mainly before 10am.   Seas 13 to 14 ft.

      High: 37 °F

      W 30kt
      13-14ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday Night

      Saturday Night:W wind 25 to 30 kt. A chance of showers after 10pm.   Seas 10 to 12 ft.

      Low: 37 °F

      W 30kt
      10-12ft

    • Sunday

      Sunday:WSW wind around 25 kt. A chance of showers.   Seas 7 to 8 ft.

      High: 42 °F

      WSW 25kt
      7-8ft

    • Sunday Night

      Sunday Night:SW wind around 20 kt. A chance of rain showers before 10pm, then a chance of rain and snow showers.   Seas 6 to 7 ft.

      Low: 38 °F

      SW 20kt
      6-7ft

    • Monday

      Monday:SW wind around 15 kt. Showers likely, mainly before 4pm.   Seas around 6 ft.

      High: 41 °F

      SW 15kt
      6ft

    • Monday Night

      Monday Night:WSW wind around 15 kt. Showers.   Seas 4 to 5 ft.

      Low: 38 °F

      WSW 15kt
      4-5ft

    • Tuesday

      Tuesday:WSW wind around 20 kt. Showers.   Seas around 5 ft.

      High: 41 °F

      WSW 20kt
      5ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:07 am AKDT May 15, 2026
Forecast Valid: 8am AKDT May 15, 2026-6pm AKDT May 21, 2026

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Detailed Forecast

...GALE WARNING THROUGH TONIGHT...

Synopsis: A 978 mb low at 120 nm E of Adak moves to 80 nm NW of Unalaska at 975 mb by Sat morning. It continues to 40 nm N of St. Paul at 979 mb by Sun morning.

Today
N wind 25 to 30 kt. Rain likely. Seas 8 to 10 ft.
Tonight
NW wind around 35 kt. Rain likely, mainly before 1am. Seas 14 to 15 ft.
Saturday
W wind around 30 kt, with gusts as high as 40 kt. A chance of rain, mainly before 10am. Seas 13 to 14 ft.
Saturday Night
W wind 25 to 30 kt. A chance of showers after 10pm. Seas 10 to 12 ft.
Sunday
WSW wind around 25 kt. A chance of showers. Seas 7 to 8 ft.
Sunday Night
SW wind around 20 kt. A chance of rain showers before 10pm, then a chance of rain and snow showers. Seas 6 to 7 ft.
Monday
SW wind around 15 kt. Showers likely, mainly before 4pm. Seas around 6 ft.
Monday Night
WSW wind around 15 kt. Showers. Seas 4 to 5 ft.
Tuesday
WSW wind around 20 kt. Showers. Seas around 5 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: 7:07 am AKDT May 15, 2026
Forecast Valid: 8am AKDT May 15, 2026-6pm AKDT May 21, 2026
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