Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

34NM ESE Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:WNW wind around 20 kt. Partly cloudy. Seas around 8 ft.

      Low: 46 °F

      WNW 20kt
      8ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday

      Friday:W wind 20 to 25 kt. Mostly sunny. Seas 7 to 8 ft.

      High: 48 °F

      W 25kt
      7-8ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday Night

      Friday Night:W wind 20 to 25 kt, with gusts as high as 30 kt. Cloudy. Seas around 9 ft.

      Low: 46 °F

      W 25kt
      9ft

    • Saturday

      Saturday:SW wind 15 to 20 kt becoming S in the afternoon. Rain, mainly after 10am. The rain could be heavy at times.   Seas 6 to 8 ft.

      High: 50 °F

      S 20kt
      6-8ft

    • Saturday Night

      Saturday Night:S wind 20 to 25 kt becoming SW after midnight. Winds could gust as high as 35 kt. Rain, mainly before 1am. The rain could be heavy at times.   Seas 7 to 9 ft.

      Low: 48 °F

      S 25kt
      7-9ft

    • Sunday

      Sunday:W wind 15 to 20 kt, with gusts as high as 25 kt. A chance of showers before 10am.   Seas 10 to 11 ft.

      High: 49 °F

      W 20kt
      10-11ft

    • Sunday Night

      Sunday Night:W wind 5 to 15 kt becoming SSW after midnight. A chance of showers after 1am.   Seas 7 to 8 ft.

      Low: 48 °F

      W 15kt
      7-8ft

    • Monday

      Monday:Variable winds 5 kt or less. A chance of rain.   Seas 6 to 7 ft.

      High: 48 °F

      Light Wind
      6-7ft

    • Monday Night

      Monday Night:W wind 10 to 15 kt. Rain likely.   Seas 6 to 8 ft.

      Low: 46 °F

      W 15kt
      6-8ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:47 pm AKDT Sep 25, 2025
Forecast Valid: 12am AKDT Sep 26, 2025-6pm AKDT Oct 2, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH FRIDAY NIGHT...

Synopsis: A trough extends from the Alaska Peninsula to the central Aleutian Islands crosses into the North Pacific by Thu evening. A low over Northeast Russia moves 50 nm northwest of Hooper Bay at 990 mb by Fri morning. The low weakens and becomes a trough as it moves into Southwest Alaska through Sat evening.

Overnight
WNW wind around 20 kt. Partly cloudy. Seas around 8 ft.
Friday
W wind 20 to 25 kt. Mostly sunny. Seas 7 to 8 ft.
Friday Night
W wind 20 to 25 kt, with gusts as high as 30 kt. Cloudy. Seas around 9 ft.
Saturday
SW wind 15 to 20 kt becoming S in the afternoon. Rain, mainly after 10am. The rain could be heavy at times. Seas 6 to 8 ft.
Saturday Night
S wind 20 to 25 kt becoming SW after midnight. Winds could gust as high as 35 kt. Rain, mainly before 1am. The rain could be heavy at times. Seas 7 to 9 ft.
Sunday
W wind 15 to 20 kt, with gusts as high as 25 kt. A chance of showers before 10am. Seas 10 to 11 ft.
Sunday Night
W wind 5 to 15 kt becoming SSW after midnight. A chance of showers after 1am. Seas 7 to 8 ft.
Monday
Variable winds 5 kt or less. A chance of rain. Seas 6 to 7 ft.
Monday Night
W wind 10 to 15 kt. Rain likely. Seas 6 to 8 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: 52.17°N 171.65°W
Last Update: 7:47 pm AKDT Sep 25, 2025
Forecast Valid: 12am AKDT Sep 26, 2025-6pm AKDT Oct 2, 2025
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