Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:SW wind 15 to 20 kt. A slight chance of showers after 4pm.   Seas 3 to 5 ft.

      High: 46 °F

      SW 20kt
      3-5ft

    • Tonight

      Tonight:WSW wind 15 to 20 kt. A slight chance of showers before 7pm.   Seas 6 to 7 ft.

      Low: 44 °F

      WSW 20kt
      6-7ft

    • Sunday

      Sunday:SW wind around 15 kt. A slight chance of showers before 1pm.   Seas 4 to 5 ft.

      High: 46 °F

      SW 15kt
      4-5ft

    • Sunday Night

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

      Low: 44 °F

      S 10kt
      3-4ft

    • Monday

      Monday:SSE wind around 10 kt. Rain, mainly before 4pm.   Seas 2 to 3 ft.

      High: 47 °F

      SSE 10kt
      2-3ft

    • Monday Night

      Monday Night:WSW wind 10 to 15 kt, with gusts as high as 20 kt. Showers likely, mainly after 10pm.   Seas around 3 ft.

      Low: 44 °F

      WSW 15kt
      3ft

    • Tuesday

      Tuesday:W wind 15 to 20 kt. A chance of showers before 4pm.   Seas 3 to 4 ft.

      High: 46 °F

      W 20kt
      3-4ft

    • Tuesday Night

      Tuesday Night:W wind 10 to 15 kt. A chance of showers.   Seas 4 to 5 ft.

      Low: 44 °F

      W 15kt
      4-5ft

    • Wednesday

      Wednesday:W wind around 10 kt. A chance of showers.   Seas around 3 ft.

      High: 47 °F

      W 10kt
      3ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:02 am AKDT Jul 11, 2026
Forecast Valid: 5am AKDT Jul 11, 2026-6pm AKDT Jul 17, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

Synopsis: A 1003 mb low 240 nm W of St. Paul moves to 100 nm N of St. Paul at 1000 mb Sat 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.

Today
SW wind 15 to 20 kt. A slight chance of showers after 4pm. Seas 3 to 5 ft.
Tonight
WSW wind 15 to 20 kt. A slight chance of showers before 7pm. Seas 6 to 7 ft.
Sunday
SW wind around 15 kt. A slight chance of showers before 1pm. Seas 4 to 5 ft.
Sunday Night
S wind around 10 kt. Showers likely, mainly after 4am. Seas 3 to 4 ft.
Monday
SSE wind around 10 kt. Rain, mainly before 4pm. Seas 2 to 3 ft.
Monday Night
WSW wind 10 to 15 kt, with gusts as high as 20 kt. Showers likely, mainly after 10pm. Seas around 3 ft.
Tuesday
W wind 15 to 20 kt. A chance of showers before 4pm. Seas 3 to 4 ft.
Tuesday Night
W wind 10 to 15 kt. A chance of showers. Seas 4 to 5 ft.
Wednesday
W wind around 10 kt. A chance of showers. Seas around 3 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: 2:02 am AKDT Jul 11, 2026
Forecast Valid: 5am AKDT Jul 11, 2026-6pm AKDT Jul 17, 2026
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