Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:S wind 35 to 45 kt decreasing to 20 to 30 kt in the afternoon. A slight chance of rain before 9am.   Seas 23 ft subsiding to 11 ft.

      High: 40 °F

      S 45kt⇓
      23ftWaves Subsiding

      Gale Warning
      Gale Warning

    • Tuesday Night

      Tuesday Night:S wind 10 to 15 kt. Mostly clear. Seas 7 to 9 ft.

      Low: 38 °F

      S 15kt
      7-9ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:SSE wind 15 to 20 kt increasing to 20 to 25 kt in the afternoon. A slight chance of rain after 3pm.   Seas 6 to 7 ft.

      High: 40 °F

      ⇑SSE 25kt
      6-7ft

    • Wednesday Night

      Wednesday Night:S wind 20 to 25 kt. Cloudy. Seas 5 to 6 ft.

      Low: 38 °F

      S 25kt
      5-6ft

    • Thursday

      Thursday:SE wind 25 to 30 kt. Mostly cloudy. Seas 5 to 6 ft.

      High: 40 °F

      SE 30kt
      5-6ft

    • Thursday Night

      Thursday Night:ESE wind around 25 kt, with gusts as high as 30 kt. Mostly cloudy. Seas 6 to 7 ft.

      Low: 39 °F

      ESE 25kt
      6-7ft

    • Friday

      Friday:ESE wind around 25 kt, with gusts as high as 30 kt. Mostly cloudy. Seas 7 to 9 ft.

      High: 41 °F

      ESE 25kt
      7-9ft

    • Friday Night

      Friday Night:E wind 25 to 30 kt. Mostly cloudy. Seas 9 to 10 ft.

      Low: 37 °F

      E 30kt
      9-10ft

    • Saturday

      Saturday:E wind 25 to 30 kt. A chance of rain.   Seas 9 to 11 ft.

      High: 40 °F

      E 30kt
      9-11ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:02 pm AKST Jan 19, 2026
Forecast Valid: 1am AKST Jan 20, 2026-6pm AKST Jan 26, 2026

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Detailed Forecast

...STORM WARNING TONIGHT...

Synopsis: A 984 mb low 155 nm N of Shemya this afternoon continues west and dissipates through Tue morning. A 975 mb N Pacific low 300 nm S of Atka moves to 330 nm N of Shemya at 988 mb Tue afternoon before dissipating. A 977 mb low moves to 54N 168E Wed afternoon. Its front reaches the western Aleutians Tuesday evening.

Tuesday
S wind 35 to 45 kt decreasing to 20 to 30 kt in the afternoon. A slight chance of rain before 9am. Seas 23 ft subsiding to 11 ft.
Tuesday Night
S wind 10 to 15 kt. Mostly clear. Seas 7 to 9 ft.
Wednesday
SSE wind 15 to 20 kt increasing to 20 to 25 kt in the afternoon. A slight chance of rain after 3pm. Seas 6 to 7 ft.
Wednesday Night
S wind 20 to 25 kt. Cloudy. Seas 5 to 6 ft.
Thursday
SE wind 25 to 30 kt. Mostly cloudy. Seas 5 to 6 ft.
Thursday Night
ESE wind around 25 kt, with gusts as high as 30 kt. Mostly cloudy. Seas 6 to 7 ft.
Friday
ESE wind around 25 kt, with gusts as high as 30 kt. Mostly cloudy. Seas 7 to 9 ft.
Friday Night
E wind 25 to 30 kt. Mostly cloudy. Seas 9 to 10 ft.
Saturday
E wind 25 to 30 kt. A chance of rain. Seas 9 to 11 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: 7:02 pm AKST Jan 19, 2026
Forecast Valid: 1am AKST Jan 20, 2026-6pm AKST Jan 26, 2026
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