Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:ESE wind 15 to 20 kt. Rain.   Seas 4 to 5 ft.

      Low: 42 °F

      ESE 20kt
      4-5ft

    • Wednesday

      Wednesday:E wind 15 to 20 kt. Rain likely, mainly before 7am.   Seas around 6 ft.

      High: 47 °F

      E 20kt
      6ft

    • Wednesday Night

      Wednesday Night:WSW wind 10 to 20 kt. A slight chance of rain before 1am.  Areas of fog after 10pm.  Seas 5 to 6 ft.

      Low: 42 °F

      WSW 20kt
      5-6ft

    • Thursday

      Thursday:SSW wind 20 to 25 kt. Areas of fog before 10am.  Seas around 5 ft.

      High: 46 °F

      SSW 25kt
      5ft

    • Thursday Night

      Thursday Night:SSW wind around 20 kt. A chance of rain before 10pm, then a chance of rain after 1am.   Seas 5 to 6 ft.

      Low: 42 °F

      SSW 20kt
      5-6ft

    • Friday

      Friday:SSW wind around 20 kt. A chance of rain.   Seas around 6 ft.

      High: 45 °F

      SSW 20kt
      6ft

    • Friday Night

      Friday Night:WSW wind around 20 kt. Showers, mainly after 10pm.   Seas around 6 ft.

      Low: 41 °F

      WSW 20kt
      6ft

    • Saturday

      Saturday:WSW wind 15 to 20 kt. Showers.   Seas around 6 ft.

      High: 45 °F

      WSW 20kt
      6ft

    • Saturday Night

      Saturday Night:W wind around 15 kt, with gusts as high as 20 kt. A chance of showers.   Seas around 6 ft.

      Low: 41 °F

      W 15kt
      6ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:28 pm AKDT Jun 23, 2026
Forecast Valid: 7pm AKDT Jun 23, 2026-6pm AKDT Jun 30, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY WEDNESDAY NIGHT...

Synopsis: A 989 mb North Pacific 360 nm S of Amchitka moves to 80 nm SW of Saint Paul Island at 1003 mb Thu morning. This low dissipates through Thu afternoon. A 1001 mb low develops 120 nm NE of Shemya late Wed morning. This low moves to 240 nm N of Adak at 1002 mb Thu afternoon.

Tonight
ESE wind 15 to 20 kt. Rain. Seas 4 to 5 ft.
Wednesday
E wind 15 to 20 kt. Rain likely, mainly before 7am. Seas around 6 ft.
Wednesday Night
WSW wind 10 to 20 kt. A slight chance of rain before 1am. Areas of fog after 10pm. Seas 5 to 6 ft.
Thursday
SSW wind 20 to 25 kt. Areas of fog before 10am. Seas around 5 ft.
Thursday Night
SSW wind around 20 kt. A chance of rain before 10pm, then a chance of rain after 1am. Seas 5 to 6 ft.
Friday
SSW wind around 20 kt. A chance of rain. Seas around 6 ft.
Friday Night
WSW wind around 20 kt. Showers, mainly after 10pm. Seas around 6 ft.
Saturday
WSW wind 15 to 20 kt. Showers. Seas around 6 ft.
Saturday Night
W wind around 15 kt, with gusts as high as 20 kt. A chance of showers. 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: 1:28 pm AKDT Jun 23, 2026
Forecast Valid: 7pm AKDT Jun 23, 2026-6pm AKDT Jun 30, 2026
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