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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

    • Tuesday

      Tuesday:E wind 15 to 20 kt. A chance of rain, mainly between 7am and 1pm. Seas 4 to 5 ft.

      High: 46 °F

      E 20kt
      4-5ft

    • Tuesday Night

      Tuesday Night:ESE wind 15 to 20 kt. Rain, mainly after 7pm. Seas around 5 ft.

      Low: 42 °F

      ESE 20kt
      5ft

    • Wednesday

      Wednesday:ESE wind around 15 kt. A chance of rain. Seas 5 to 6 ft.

      High: 47 °F

      ESE 15kt
      5-6ft

    • Wednesday Night

      Wednesday Night:SSW wind 10 to 20 kt becoming WSW in the evening. Mostly cloudy. Seas 5 to 6 ft.

      Low: 42 °F

      WSW 20kt
      5-6ft

    • Thursday

      Thursday:SSW wind around 20 kt. A chance of rain before 1pm. Seas around 6 ft.

      High: 46 °F

      SSW 20kt
      6ft

    • Thursday Night

      Thursday Night:SW wind around 20 kt. A chance of showers after 10pm. Seas 6 ft subsiding to 3 ft.

      Low: 42 °F

      SW 20kt
      6ftWaves Subsiding

    • Friday

      Friday:SW wind around 20 kt, with gusts as high as 25 kt. A chance of showers. Seas around 6 ft.

      High: 45 °F

      SW 20kt
      6ft

    • Friday Night

      Friday Night:WSW wind around 20 kt, with gusts as high as 25 kt. Showers. Seas around 6 ft.

      Low: 42 °F

      WSW 20kt
      6ft

    • Saturday

      Saturday:WSW wind 15 to 20 kt. Showers. Seas around 6 ft.

      High: 45 °F

      WSW 20kt
      6ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:57 pm AKDT Jun 22, 2026
Forecast Valid: 2am AKDT Jun 23, 2026-6pm AKDT Jun 29, 2026

View Nearby Observations

Detailed Forecast


Synopsis: A 1014 mb low 70 nm S of Sitkinak Island remains nearly stationary and dissipates Tue evening. Two North Pacific lows merge 220 nm S of Kiska Tue evening to form a 992 mb low. This low moves 100 nm S of Atka at 997 mb by Wed morning and moves across the Central Aleutian Chain through Wed afternoon.

Tuesday
E wind 15 to 20 kt. A chance of rain, mainly between 7am and 1pm. Seas 4 to 5 ft.
Tuesday Night
ESE wind 15 to 20 kt. Rain, mainly after 7pm. Seas around 5 ft.
Wednesday
ESE wind around 15 kt. A chance of rain. Seas 5 to 6 ft.
Wednesday Night
SSW wind 10 to 20 kt becoming WSW in the evening. Mostly cloudy. Seas 5 to 6 ft.
Thursday
SSW wind around 20 kt. A chance of rain before 1pm. Seas around 6 ft.
Thursday Night
SW wind around 20 kt. A chance of showers after 10pm. Seas 6 ft subsiding to 3 ft.
Friday
SW wind around 20 kt, with gusts as high as 25 kt. A chance of showers. Seas around 6 ft.
Friday Night
WSW wind around 20 kt, with gusts as high as 25 kt. Showers. Seas around 6 ft.
Saturday
WSW wind 15 to 20 kt. Showers. Seas around 6 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: 9:57 pm AKDT Jun 22, 2026
Forecast Valid: 2am AKDT Jun 23, 2026-6pm AKDT Jun 29, 2026
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