Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:Variable winds 5 kt or less. Patchy fog.  Seas around 3 ft.

      Low: 42 °F

      Light Wind
      3ft

    • Independence Day

      Independence Day:ENE wind around 20 kt. A slight chance of rain after 10am.  Patchy fog.  Seas 3 to 4 ft.

      High: 46 °F

      ENE 20kt
      3-4ft

    • Saturday Night

      Saturday Night:E wind around 20 kt. A slight chance of rain.  Areas of fog.  Seas around 4 ft.

      Low: 43 °F

      E 20kt
      4ft

    • Sunday

      Sunday:E wind around 20 kt. Rain likely, mainly after 1pm.  Areas of fog.  Seas 4 to 5 ft.

      High: 46 °F

      E 20kt
      4-5ft

    • Sunday Night

      Sunday Night:E wind around 15 kt. Rain, mainly before 1am.  Areas of fog.  Seas around 5 ft.

      Low: 44 °F

      E 15kt
      5ft

    • Monday

      Monday:SE wind 5 to 10 kt becoming WSW in the afternoon. A chance of rain before 4pm.  Areas of fog.  Seas 3 to 4 ft.

      High: 46 °F

      WSW 10kt
      3-4ft

    • Monday Night

      Monday Night:SW wind around 15 kt. A chance of showers after 10pm.  Areas of fog before 10pm.  Seas around 3 ft.

      Low: 43 °F

      SW 15kt
      3ft

    • Tuesday

      Tuesday:WSW wind 15 to 20 kt. Cloudy. Seas 3 to 5 ft.

      High: 45 °F

      WSW 20kt
      3-5ft

    • Tuesday Night

      Tuesday Night:W wind around 20 kt, with gusts as high as 25 kt. Mostly cloudy. Seas around 4 ft.

      Low: 42 °F

      W 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: 8:41 pm AKDT Jul 3, 2026
Forecast Valid: 11pm AKDT Jul 3, 2026-6pm AKDT Jul 10, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY SATURDAY AND SATURDAY NIGHT...

Synopsis: A 1002 mb North Pacific low moves to 170 nm SW of Amchitka Sat night, then to 40 nm S of Shemya Sun afternoon.

Overnight
Variable winds 5 kt or less. Patchy fog. Seas around 3 ft.
Independence Day
ENE wind around 20 kt. A slight chance of rain after 10am. Patchy fog. Seas 3 to 4 ft.
Saturday Night
E wind around 20 kt. A slight chance of rain. Areas of fog. Seas around 4 ft.
Sunday
E wind around 20 kt. Rain likely, mainly after 1pm. Areas of fog. Seas 4 to 5 ft.
Sunday Night
E wind around 15 kt. Rain, mainly before 1am. Areas of fog. Seas around 5 ft.
Monday
SE wind 5 to 10 kt becoming WSW in the afternoon. A chance of rain before 4pm. Areas of fog. Seas 3 to 4 ft.
Monday Night
SW wind around 15 kt. A chance of showers after 10pm. Areas of fog before 10pm. Seas around 3 ft.
Tuesday
WSW wind 15 to 20 kt. Cloudy. Seas 3 to 5 ft.
Tuesday Night
W wind around 20 kt, with gusts as high as 25 kt. Mostly cloudy. 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: 8:41 pm AKDT Jul 3, 2026
Forecast Valid: 11pm AKDT Jul 3, 2026-6pm AKDT Jul 10, 2026
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