Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:WSW wind around 25 kt. A slight chance of showers before 1pm.   Seas 7 to 8 ft.

      High: 41 °F

      WSW 25kt
      7-8ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:WSW wind 15 to 20 kt becoming S after midnight. Winds could gust as high as 25 kt. Rain, mainly after 1am.   Seas 6 to 7 ft.

      Low: 38 °F

      S 20kt
      6-7ft

    • Wednesday

      Wednesday:SSE wind 25 to 35 kt becoming SSW in the morning. Rain, mainly before 10am.   Seas 8 to 9 ft.

      High: 41 °F

      SSE 35kt
      8-9ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday Night

      Wednesday Night:W wind 20 to 25 kt. Showers likely, mainly before 7pm.   Seas 6 to 8 ft.

      Low: 38 °F

      W 25kt
      6-8ft

    • Thursday

      Thursday:W wind around 30 kt. A chance of showers before 10am.   Seas 9 to 11 ft.

      High: 41 °F

      W 30kt
      9-11ft

    • Thursday Night

      Thursday Night:WSW wind around 25 kt. A chance of showers after 4am.   Seas 7 to 9 ft.

      Low: 38 °F

      WSW 25kt
      7-9ft

    • Friday

      Friday:W wind 20 to 25 kt. A chance of showers before 10am.   Seas 7 to 8 ft.

      High: 41 °F

      W 25kt
      7-8ft

    • Friday Night

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

      Low: 37 °F

      NW 15kt
      5-6ft

    • Saturday

      Saturday:NW wind around 20 kt. A chance of showers.   Seas around 4 ft.

      High: 41 °F

      NW 20kt
      4ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:06 am AKDT May 19, 2026
Forecast Valid: 10am AKDT May 19, 2026-6pm AKDT May 25, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

Synopsis: A 990 mb low about 170 nm SW of Saint Paul Island remains nearly stationary before dissipating Wed morning. At the same time, a 978 mb Bering Low approaches from the North Pacific around 70 nm SW of Adak and travels to about 70nm SE of Saint George Island by Thu morning.

Today
WSW wind around 25 kt. A slight chance of showers before 1pm. Seas 7 to 8 ft.
Tonight
WSW wind 15 to 20 kt becoming S after midnight. Winds could gust as high as 25 kt. Rain, mainly after 1am. Seas 6 to 7 ft.
Wednesday
SSE wind 25 to 35 kt becoming SSW in the morning. Rain, mainly before 10am. Seas 8 to 9 ft.
Wednesday Night
W wind 20 to 25 kt. Showers likely, mainly before 7pm. Seas 6 to 8 ft.
Thursday
W wind around 30 kt. A chance of showers before 10am. Seas 9 to 11 ft.
Thursday Night
WSW wind around 25 kt. A chance of showers after 4am. Seas 7 to 9 ft.
Friday
W wind 20 to 25 kt. A chance of showers before 10am. Seas 7 to 8 ft.
Friday Night
NW wind around 15 kt. A chance of showers. Seas 5 to 6 ft.
Saturday
NW wind around 20 kt. A chance of showers. Seas around 4 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: 4:06 am AKDT May 19, 2026
Forecast Valid: 10am AKDT May 19, 2026-6pm AKDT May 25, 2026
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