Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:WNW wind 25 to 30 kt. A slight chance of showers before 10pm.   Seas 9 to 10 ft.

      Low: 36 °F

      WNW 30kt
      9-10ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:W wind 20 to 25 kt. A slight chance of rain and snow showers before 10am, then a chance of rain showers.   Seas 8 to 9 ft.

      High: 40 °F

      W 25kt
      8-9ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday Night

      Wednesday Night:WNW wind 15 to 20 kt. Mostly cloudy. Seas 5 to 6 ft.

      Low: 37 °F

      WNW 20kt
      5-6ft

    • Thursday

      Thursday:W wind 5 to 10 kt becoming ESE 10 to 15 kt in the afternoon. A chance of rain after 1pm.   Seas around 4 ft.

      High: 41 °F

      ⇑ESE 15kt
      4ft

    • Thursday Night

      Thursday Night:E wind 25 to 35 kt. Rain.   Seas 6 ft building to 11 ft.

      Low: 38 °F

      E 35kt
      Waves Building11ft

    • Friday

      Friday:E wind 10 to 15 kt becoming N in the afternoon. Rain likely.   Seas 7 to 8 ft.

      High: 40 °F

      N 15kt
      7-8ft

    • Friday Night

      Friday Night:NW wind 25 to 30 kt. Rain likely.   Seas 11 to 12 ft.

      Low: 38 °F

      NW 30kt
      11-12ft

    • Saturday

      Saturday:NW wind around 30 kt, with gusts as high as 35 kt. Showers likely.   Seas 10 to 11 ft.

      High: 40 °F

      NW 30kt
      10-11ft

    • Saturday Night

      Saturday Night:WNW wind around 25 kt. Showers.   Seas 10 to 11 ft.

      Low: 37 °F

      WNW 25kt
      10-11ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:12 pm AKDT May 12, 2026
Forecast Valid: 8pm AKDT May 12, 2026-6pm AKDT May 19, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

Synopsis: A 991 mb low 130 nm SE of Saint Paul moves to 40 nm E of Chignik by Wed afternoon then moves into the western Gulf by Thu. A 1000 mb low moves to 90 nm W of Saint Matthew Island by Wed afternoon and weakens by Thu morning. A 985 mb North Pacific low moves to 120 nm S of Kiska Island by Thu afternoon.

Tonight
WNW wind 25 to 30 kt. A slight chance of showers before 10pm. Seas 9 to 10 ft.
Wednesday
W wind 20 to 25 kt. A slight chance of rain and snow showers before 10am, then a chance of rain showers. Seas 8 to 9 ft.
Wednesday Night
WNW wind 15 to 20 kt. Mostly cloudy. Seas 5 to 6 ft.
Thursday
W wind 5 to 10 kt becoming ESE 10 to 15 kt in the afternoon. A chance of rain after 1pm. Seas around 4 ft.
Thursday Night
E wind 25 to 35 kt. Rain. Seas 6 ft building to 11 ft.
Friday
E wind 10 to 15 kt becoming N in the afternoon. Rain likely. Seas 7 to 8 ft.
Friday Night
NW wind 25 to 30 kt. Rain likely. Seas 11 to 12 ft.
Saturday
NW wind around 30 kt, with gusts as high as 35 kt. Showers likely. Seas 10 to 11 ft.
Saturday Night
WNW wind around 25 kt. Showers. Seas 10 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: 8:12 pm AKDT May 12, 2026
Forecast Valid: 8pm AKDT May 12, 2026-6pm AKDT May 19, 2026
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