Hazardous Weather Conditions

For More Weather Information:

Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]
    • Thursday

      Thursday:W wind 5 to 15 kt becoming ESE in the morning. Rain, possibly mixed with snow, mainly after 10am.   Seas 5 to 6 ft.

      High: 40 °F

      ESE 15kt
      5-6ft

    • Thursday Night

      Thursday Night:ENE wind 30 to 35 kt, with gusts as high as 40 kt. Rain.   Seas 6 ft building to 10 ft.

      Low: 36 °F

      ENE 35kt
      Waves Building10ft

      Gale Warning
      Gale Warning

    • Friday

      Friday:N wind 25 to 30 kt. Rain.   Seas 9 to 10 ft.

      High: 41 °F

      N 30kt
      9-10ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday Night

      Friday Night:NW wind around 35 kt. Rain likely, mainly before 10pm.   Seas 13 to 14 ft.

      Low: 37 °F

      NW 35kt
      13-14ft

    • Saturday

      Saturday:WNW wind 25 to 30 kt, with gusts as high as 40 kt. A chance of rain before 1pm, then a chance of rain after 4pm.   Seas 11 to 13 ft.

      High: 40 °F

      WNW 30kt
      11-13ft

    • Saturday Night

      Saturday Night:W wind around 20 kt, with gusts as high as 25 kt. Showers likely, mainly after 1am.   Seas 7 to 9 ft.

      Low: 38 °F

      W 20kt
      7-9ft

    • Sunday

      Sunday:WSW wind around 25 kt, with gusts as high as 30 kt. A chance of showers.   Seas 7 to 8 ft.

      High: 41 °F

      WSW 25kt
      7-8ft

    • Sunday Night

      Sunday Night:SW wind 20 to 25 kt. Showers likely.   Seas around 6 ft.

      Low: 38 °F

      SW 25kt
      6ft

    • Monday

      Monday:S wind around 15 kt. Showers likely.   Seas 4 to 5 ft.

      High: 41 °F

      S 15kt
      4-5ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:50 am AKDT May 14, 2026
Forecast Valid: 4am AKDT May 14, 2026-6pm AKDT May 20, 2026

View Nearby Observations

Detailed Forecast

...GALE WARNING TONIGHT AND FRIDAY...

Synopsis: A 1004 mb low 160 nm SE of St. Paul weakens and dissipates through Thu afternoon. A 983 mb North Pacific low 360 nm S of Shemya moves to 100 nm SE of Adak at 979 mb by Fri morning. It continues to migrate across the central Aleutians to 60 nm NW of Unalaska at 976 mb by Sat morning.

Thursday
W wind 5 to 15 kt becoming ESE in the morning. Rain, possibly mixed with snow, mainly after 10am. Seas 5 to 6 ft.
Thursday Night
ENE wind 30 to 35 kt, with gusts as high as 40 kt. Rain. Seas 6 ft building to 10 ft.
Friday
N wind 25 to 30 kt. Rain. Seas 9 to 10 ft.
Friday Night
NW wind around 35 kt. Rain likely, mainly before 10pm. Seas 13 to 14 ft.
Saturday
WNW wind 25 to 30 kt, with gusts as high as 40 kt. A chance of rain before 1pm, then a chance of rain after 4pm. Seas 11 to 13 ft.
Saturday Night
W wind around 20 kt, with gusts as high as 25 kt. Showers likely, mainly after 1am. Seas 7 to 9 ft.
Sunday
WSW wind around 25 kt, with gusts as high as 30 kt. A chance of showers. Seas 7 to 8 ft.
Sunday Night
SW wind 20 to 25 kt. Showers likely. Seas around 6 ft.
Monday
S wind around 15 kt. Showers likely. Seas 4 to 5 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 52.89°N 173.1°W
Last Update: 3:50 am AKDT May 14, 2026
Forecast Valid: 4am AKDT May 14, 2026-6pm AKDT May 20, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data