Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:E wind 5 to 15 kt. A chance of rain.   Seas around 6 ft.

      High: 47 °F

      E 15kt
      6ft

    • Tonight

      Tonight:SW wind around 15 kt. Areas of fog after 10pm.  Seas around 6 ft.

      Low: 42 °F

      SW 15kt
      6ft

    • Thursday

      Thursday:SSW wind 20 to 25 kt. A slight chance of rain.  Areas of fog before 10am.  Seas around 6 ft.

      High: 46 °F

      SSW 25kt
      6ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday Night

      Thursday Night:SSW wind around 20 kt. A chance of rain after 1am.   Seas 5 to 6 ft.

      Low: 42 °F

      SSW 20kt
      5-6ft

    • Friday

      Friday:SSW wind 20 to 25 kt. A chance of rain.   Seas 5 to 6 ft.

      High: 45 °F

      SSW 25kt
      5-6ft

    • Friday Night

      Friday Night:SW wind around 20 kt. A chance of rain before 10pm.   Seas around 5 ft.

      Low: 41 °F

      SW 20kt
      5ft

    • Saturday

      Saturday:SW wind 15 to 20 kt. Showers, mainly after 4pm.   Seas around 5 ft.

      High: 45 °F

      SW 20kt
      5ft

    • Saturday Night

      Saturday Night:WSW wind 15 to 20 kt. Showers.   Seas around 5 ft.

      Low: 41 °F

      WSW 20kt
      5ft

    • Sunday

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

      High: 45 °F

      WSW 15kt
      4-5ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:46 am AKDT Jun 24, 2026
Forecast Valid: 12pm AKDT Jun 24, 2026-6pm AKDT Jun 30, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THURSDAY...

Synopsis: A 995 mb low 175 nm S of Adak moves to 70 nm SW of Saint George Island at 1001 mb Wed night. A 1002 mb 120 nm east of Shemya moves to 200 nm NE of Shemya at 1001 mb Wed night. These systems merge by Thu morning 200 nm W of Saint Paul Island remaining nearly stationary through Fri morning.

This Afternoon
E wind 5 to 15 kt. A chance of rain. Seas around 6 ft.
Tonight
SW wind around 15 kt. Areas of fog after 10pm. Seas around 6 ft.
Thursday
SSW wind 20 to 25 kt. A slight chance of rain. Areas of fog before 10am. Seas around 6 ft.
Thursday Night
SSW wind around 20 kt. A chance of rain after 1am. Seas 5 to 6 ft.
Friday
SSW wind 20 to 25 kt. A chance of rain. Seas 5 to 6 ft.
Friday Night
SW wind around 20 kt. A chance of rain before 10pm. Seas around 5 ft.
Saturday
SW wind 15 to 20 kt. Showers, mainly after 4pm. Seas around 5 ft.
Saturday Night
WSW wind 15 to 20 kt. Showers. Seas around 5 ft.
Sunday
WSW wind 10 to 15 kt. A chance of showers. Seas 4 to 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: 6:46 am AKDT Jun 24, 2026
Forecast Valid: 12pm AKDT Jun 24, 2026-6pm AKDT Jun 30, 2026
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