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Anchorage, AK Local Forecast Office

6NM S Castle Cape AK

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:SW wind 10 to 15 kt. A chance of showers, mainly between 10pm and 1am. Seas 4 to 5 ft.

      Low: 44 °F

      SW 15kt
      4-5ft

    • Columbus Day

      Columbus Day:SW wind 5 to 10 kt. A chance of showers, mainly after 4pm. Seas 3 to 4 ft.

      High: 47 °F

      SW 10kt
      3-4ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. A chance of showers, mainly before 7pm. Seas around 3 ft.

      Low: 42 °F

      Light Wind
      3ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Mostly sunny. Seas 2 to 3 ft.

      High: 47 °F

      Light Wind
      2-3ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. A chance of showers after 1am. Seas around 2 ft.

      Low: 43 °F

      Light Wind
      2ft

    • Wednesday

      Wednesday:ENE wind 15 to 20 kt increasing to 25 to 30 kt in the afternoon. Rain, mainly after 10am. Seas 3 ft building to 6 ft.

      High: 47 °F

      ⇑ENE 30kt
      Waves Building6ft

    • Wednesday Night

      Wednesday Night:NE wind 30 to 40 kt. Rain. Seas 9 ft building to 12 ft.

      Low: 44 °F

      NE 40kt
      Waves Building12ft

    • Thursday

      Thursday:NNE wind 30 to 40 kt, with gusts as high as 50 kt. Rain. Seas 14 to 15 ft.

      High: 46 °F

      NNE 40kt
      14-15ft

    • Thursday Night

      Thursday Night:N wind 25 to 30 kt, with gusts as high as 35 kt. Rain likely. Seas 14 to 15 ft.

      Low: 42 °F

      N 30kt
      14-15ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:07 pm AKDT Oct 11, 2026
Forecast Valid: 6pm AKDT Oct 11, 2026-6pm AKDT Oct 18, 2026

View Nearby Observations

Detailed Forecast


Synopsis: A 985 mb low 90nm East of Gambell will remain nearly stationary through Mon afternoon and weaken to 994 mb. It will then move near Hooper Bay at 1004 mb Tue afternoon.

Tonight
SW wind 10 to 15 kt. A chance of showers, mainly between 10pm and 1am. Seas 4 to 5 ft.
Columbus Day
SW wind 5 to 10 kt. A chance of showers, mainly after 4pm. Seas 3 to 4 ft.
Monday Night
Variable winds 5 kt or less. A chance of showers, mainly before 7pm. Seas around 3 ft.
Tuesday
Variable winds 5 kt or less. Mostly sunny. Seas 2 to 3 ft.
Tuesday Night
Variable winds 5 kt or less. A chance of showers after 1am. Seas around 2 ft.
Wednesday
ENE wind 15 to 20 kt increasing to 25 to 30 kt in the afternoon. Rain, mainly after 10am. Seas 3 ft building to 6 ft.
Wednesday Night
NE wind 30 to 40 kt. Rain. Seas 9 ft building to 12 ft.
Thursday
NNE wind 30 to 40 kt, with gusts as high as 50 kt. Rain. Seas 14 to 15 ft.
Thursday Night
N wind 25 to 30 kt, with gusts as high as 35 kt. Rain likely. Seas 14 to 15 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: 56.16°N 158.09°W
Last Update: 2:07 pm AKDT Oct 11, 2026
Forecast Valid: 6pm AKDT Oct 11, 2026-6pm AKDT Oct 18, 2026
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