Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SW wind around 35 kt, with gusts as high as 40 kt. Scattered rain and snow showers.   Seas around 19 ft.

      High: 39 °F

      SW 35kt
      19ft

      Gale Warning
      Gale Warning

    • Tonight

      Tonight:SW wind 25 to 30 kt. A chance of showers, mainly after 1am.   Seas 14 to 16 ft.

      Low: 38 °F

      SW 30kt
      14-16ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday

      Monday:S wind 25 to 30 kt. A chance of rain, mainly before 1pm.   Seas 10 to 12 ft.

      High: 41 °F

      S 30kt
      10-12ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday Night

      Monday Night:ESE wind around 25 kt. Rain likely, mainly after 4am.   Seas 7 to 8 ft.

      Low: 40 °F

      ESE 25kt
      7-8ft

    • Tuesday

      Tuesday:E wind 25 to 30 kt becoming SSE in the afternoon. Rain.   Seas 7 to 8 ft.

      High: 41 °F

      SE 30kt
      7-8ft

    • Tuesday Night

      Tuesday Night:SSW wind around 30 kt. Showers.   Seas 9 to 10 ft.

      Low: 37 °F

      SSW 30kt
      9-10ft

    • Wednesday

      Wednesday:SSW wind 25 to 30 kt, with gusts as high as 35 kt. Rain.   Seas 10 to 12 ft.

      High: 40 °F

      SSW 30kt
      10-12ft

    • Wednesday Night

      Wednesday Night:W wind around 30 kt. Rain before 10pm, then rain and snow.   Seas 10 to 12 ft.

      Low: 35 °F

      W 30kt
      10-12ft

    • Thursday

      Thursday:W wind 20 to 25 kt. Rain and snow.   Seas around 13 ft.

      High: 37 °F

      W 25kt
      13ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:12 am AKDT Apr 19, 2026
Forecast Valid: 3pm AKDT Apr 19, 2026-6pm AKDT Apr 25, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

Synopsis: A 985 mb low 340 nm N of Shemya moves to 120 nm NW of St. Paul at 995 mb Mon morning before pushing inland by Mon afternoon. A separate 993 mb low arrives 250 nm W of Adak Mon morning, moving to 100 nm NW of Adak at 980 mb by Tue afternoon.

This Afternoon
SW wind around 35 kt, with gusts as high as 40 kt. Scattered rain and snow showers. Seas around 19 ft.
Tonight
SW wind 25 to 30 kt. A chance of showers, mainly after 1am. Seas 14 to 16 ft.
Monday
S wind 25 to 30 kt. A chance of rain, mainly before 1pm. Seas 10 to 12 ft.
Monday Night
ESE wind around 25 kt. Rain likely, mainly after 4am. Seas 7 to 8 ft.
Tuesday
E wind 25 to 30 kt becoming SSE in the afternoon. Rain. Seas 7 to 8 ft.
Tuesday Night
SSW wind around 30 kt. Showers. Seas 9 to 10 ft.
Wednesday
SSW wind 25 to 30 kt, with gusts as high as 35 kt. Rain. Seas 10 to 12 ft.
Wednesday Night
W wind around 30 kt. Rain before 10pm, then rain and snow. Seas 10 to 12 ft.
Thursday
W wind 20 to 25 kt. Rain and snow. Seas around 13 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: 4:12 am AKDT Apr 19, 2026
Forecast Valid: 3pm AKDT Apr 19, 2026-6pm AKDT Apr 25, 2026
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