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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:WSW wind around 15 kt. Mostly cloudy. Seas 6 to 7 ft.

      Low: 44 °F

      WSW 15kt
      6-7ft

    • Sunday

      Sunday:SW wind around 15 kt. A slight chance of showers after 4pm.   Seas 4 to 5 ft.

      High: 47 °F

      SW 15kt
      4-5ft

    • Sunday Night

      Sunday Night:S wind around 10 kt. Showers likely, mainly after 1am.   Seas 3 to 4 ft.

      Low: 44 °F

      S 10kt
      3-4ft

    • Monday

      Monday:ESE wind 5 to 10 kt. Rain.   Seas around 3 ft.

      High: 48 °F

      ESE 10kt
      3ft

    • Monday Night

      Monday Night:W wind 10 to 20 kt. Rain likely, mainly before 7pm.   Seas 3 to 5 ft.

      Low: 44 °F

      W 20kt
      3-5ft

    • Tuesday

      Tuesday:WSW wind 15 to 20 kt. A chance of showers before 10am.   Seas around 4 ft.

      High: 46 °F

      WSW 20kt
      4ft

    • Tuesday Night

      Tuesday Night:WSW wind around 10 kt. A chance of showers after 10pm.   Seas around 3 ft.

      Low: 44 °F

      WSW 10kt
      3ft

    • Wednesday

      Wednesday:W wind around 10 kt becoming NNW in the morning. A chance of showers.   Seas 2 to 3 ft.

      High: 46 °F

      W 10kt
      2-3ft

    • Wednesday Night

      Wednesday Night:NW wind around 10 kt. Mostly cloudy. Seas around 2 ft.

      Low: 44 °F

      NW 10kt
      2ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:03 pm AKDT Jul 11, 2026
Forecast Valid: 12am AKDT Jul 12, 2026-6pm AKDT Jul 18, 2026

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Detailed Forecast


Synopsis: A 1003 mb low 240 nm W of St. Paul moves to 100 nm N of St. Paul at 1000 mb this afternoon before pushing inland by Sun morning. A separate 1006 mb North Pacific low enters the western Bering 280 nm N of Shemya Sun morning and continues to 240 nm NW of Adak at 1010 mb by Mon morning. Another low at 1009 mb approaches the central Aleutians 160 nm S of Adak Mon morning.

Overnight
WSW wind around 15 kt. Mostly cloudy. Seas 6 to 7 ft.
Sunday
SW wind around 15 kt. A slight chance of showers after 4pm. Seas 4 to 5 ft.
Sunday Night
S wind around 10 kt. Showers likely, mainly after 1am. Seas 3 to 4 ft.
Monday
ESE wind 5 to 10 kt. Rain. Seas around 3 ft.
Monday Night
W wind 10 to 20 kt. Rain likely, mainly before 7pm. Seas 3 to 5 ft.
Tuesday
WSW wind 15 to 20 kt. A chance of showers before 10am. Seas around 4 ft.
Tuesday Night
WSW wind around 10 kt. A chance of showers after 10pm. Seas around 3 ft.
Wednesday
W wind around 10 kt becoming NNW in the morning. A chance of showers. Seas 2 to 3 ft.
Wednesday Night
NW wind around 10 kt. Mostly cloudy. Seas around 2 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: 8:03 pm AKDT Jul 11, 2026
Forecast Valid: 12am AKDT Jul 12, 2026-6pm AKDT Jul 18, 2026
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