Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:S wind 5 to 10 kt. Mostly cloudy. Seas 2 to 3 ft.

      Low: 42 °F

      S 10kt
      2-3ft

    • Monday

      Monday:SE wind 15 to 20 kt. Rain, mainly after 4pm.   Seas around 3 ft.

      High: 47 °F

      SE 20kt
      3ft

    • Monday Night

      Monday Night:ESE wind 20 to 25 kt becoming S after midnight. Rain, mainly before 1am.   Seas 4 to 5 ft.

      Low: 43 °F

      ESE 25kt
      4-5ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:SSW wind around 20 kt, with gusts as high as 25 kt. Cloudy. Seas 4 to 5 ft.

      High: 46 °F

      SSW 20kt
      4-5ft

    • Tuesday Night

      Tuesday Night:SSW wind around 25 kt, with gusts as high as 35 kt. Cloudy. Seas 5 to 6 ft.

      Low: 42 °F

      SSW 25kt
      5-6ft

    • Wednesday

      Wednesday:SSW wind 20 to 25 kt, with gusts as high as 35 kt. A chance of rain before 4pm.   Seas around 6 ft.

      High: 45 °F

      SSW 25kt
      6ft

    • Wednesday Night

      Wednesday Night:WSW wind 20 to 25 kt. A chance of rain after 4am.   Seas 5 to 6 ft.

      Low: 42 °F

      WSW 25kt
      5-6ft

    • Thursday

      Thursday:WNW wind around 15 kt, with gusts as high as 20 kt. A chance of showers.   Seas around 5 ft.

      High: 45 °F

      WNW 15kt
      5ft

    • Thursday Night

      Thursday Night:WNW wind 10 to 15 kt. Mostly cloudy. Seas 3 to 4 ft.

      Low: 42 °F

      WNW 15kt
      3-4ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:45 pm AKDT Jun 28, 2026
Forecast Valid: 12am AKDT Jun 29, 2026-6pm AKDT Jul 5, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY MONDAY AND MONDAY NIGHT...

Synopsis: A 1014 mb low 100 nm W of Nunivak Island shortly dissipates. Its front shortly moves inland. A 986 mb low arrives at 300 nm W of Attu by Mon morning and moves near Shemya by Tue afternoon. Its front spreads over the Aleutians Mon morning through Tue afternoon.

Overnight
S wind 5 to 10 kt. Mostly cloudy. Seas 2 to 3 ft.
Monday
SE wind 15 to 20 kt. Rain, mainly after 4pm. Seas around 3 ft.
Monday Night
ESE wind 20 to 25 kt becoming S after midnight. Rain, mainly before 1am. Seas 4 to 5 ft.
Tuesday
SSW wind around 20 kt, with gusts as high as 25 kt. Cloudy. Seas 4 to 5 ft.
Tuesday Night
SSW wind around 25 kt, with gusts as high as 35 kt. Cloudy. Seas 5 to 6 ft.
Wednesday
SSW wind 20 to 25 kt, with gusts as high as 35 kt. A chance of rain before 4pm. Seas around 6 ft.
Wednesday Night
WSW wind 20 to 25 kt. A chance of rain after 4am. Seas 5 to 6 ft.
Thursday
WNW wind around 15 kt, with gusts as high as 20 kt. A chance of showers. Seas around 5 ft.
Thursday Night
WNW wind 10 to 15 kt. Mostly cloudy. Seas 3 to 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: 8:45 pm AKDT Jun 28, 2026
Forecast Valid: 12am AKDT Jun 29, 2026-6pm AKDT Jul 5, 2026
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