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Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

20NM SSW Cape Constantine AK

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:S wind 5 to 15 kt becoming ESE. Rain, mainly after 1pm. Seas around 3 ft.

      High: 54 °F

      ESE 15kt
      3ft

    • Tonight

      Tonight:SE wind 25 to 30 kt becoming SSW after midnight. Winds could gust as high as 40 kt. Rain, mainly before 1am. The rain could be heavy at times. Seas 4 ft building to 7 ft.

      Low: 50 °F

      SE 30kt
      Waves Building7ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday

      Sunday:SW wind 15 to 20 kt, with gusts as high as 25 kt. Mostly sunny. Seas around 9 ft.

      High: 52 °F

      SW 20kt
      9ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. A chance of showers after 10pm. Seas 6 to 8 ft.

      Low: 48 °F

      Light Wind
      6-8ft

    • Columbus Day

      Columbus Day:WNW wind around 10 kt becoming SSW in the afternoon. Scattered showers after 4pm. Seas 4 to 5 ft.

      High: 50 °F

      WNW 10kt
      4-5ft

    • Monday Night

      Monday Night:SSW wind 10 to 15 kt. Rain likely, mainly between 10pm and 1am. Seas around 4 ft.

      Low: 47 °F

      SSW 15kt
      4ft

    • Tuesday

      Tuesday:SE wind 15 to 20 kt, with gusts as high as 25 kt. A chance of rain. Seas 6 to 7 ft.

      High: 53 °F

      SE 20kt
      6-7ft

    • Tuesday Night

      Tuesday Night:SE wind 30 to 35 kt. A chance of rain. Seas around 9 ft.

      Low: 47 °F

      SE 35kt
      9ft

    • Wednesday

      Wednesday:S wind around 30 kt. Rain likely. Seas 12 to 14 ft.

      High: 51 °F

      S 30kt
      12-14ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:17 am AKDT Oct 11, 2025
Forecast Valid: 12pm AKDT Oct 11, 2025-6pm AKDT Oct 17, 2025

View Nearby Observations

Detailed Forecast

...GALE WARNING TONIGHT...

Synopsis: A 972 mb low 320 nm NW of Shemya moves to 180 nm W of Shemya at 983 mb Sun morning, and then to 215 nm NE of Shemya at 989 mb Mon morning. A 980 mb low located near 125 nm S of Atka moves to 140 nm N of Atka at 968 mb Sat afternoon, and then to 75 nm E of Saint Matthew Island at 948 mb Sun morning.

This Afternoon
S wind 5 to 15 kt becoming ESE. Rain, mainly after 1pm. Seas around 3 ft.
Tonight
SE wind 25 to 30 kt becoming SSW after midnight. Winds could gust as high as 40 kt. Rain, mainly before 1am. The rain could be heavy at times. Seas 4 ft building to 7 ft.
Sunday
SW wind 15 to 20 kt, with gusts as high as 25 kt. Mostly sunny. Seas around 9 ft.
Sunday Night
Variable winds 5 kt or less. A chance of showers after 10pm. Seas 6 to 8 ft.
Columbus Day
WNW wind around 10 kt becoming SSW in the afternoon. Scattered showers after 4pm. Seas 4 to 5 ft.
Monday Night
SSW wind 10 to 15 kt. Rain likely, mainly between 10pm and 1am. Seas around 4 ft.
Tuesday
SE wind 15 to 20 kt, with gusts as high as 25 kt. A chance of rain. Seas 6 to 7 ft.
Tuesday Night
SE wind 30 to 35 kt. A chance of rain. Seas around 9 ft.
Wednesday
S wind around 30 kt. Rain likely. Seas 12 to 14 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: 58.08°N 159.07°W
Last Update: 5:17 am AKDT Oct 11, 2025
Forecast Valid: 12pm AKDT Oct 11, 2025-6pm AKDT Oct 17, 2025
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