Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

5NM S Chiswell Islands AK

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:Variable winds 5 kt or less. Mostly sunny. Seas around 4 ft.

      High: 38 °F

      Light Wind
      4ft

    • Tonight

      Tonight:W wind 10 to 15 kt becoming N 15 to 20 kt. Winds could gust as high as 35 kt. Clear. Seas 8 ft subsiding to 5 ft.

      Low: 34 °F

      ⇑N 20kt
      8ftWaves Subsiding

      Small Craft Advisory
      Small Craft Advisory

    • Sunday

      Sunday:W wind 5 to 15 kt increasing to 15 to 25 kt in the afternoon. Winds could gust as high as 35 kt. Sunny. Seas 4 to 5 ft.

      High: 37 °F

      ⇑W 25kt
      4-5ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday Night

      Sunday Night:WNW wind 20 to 30 kt. Clear. Seas 4 to 6 ft.

      Low: 31 °F

      WNW 30kt
      4-6ft

      Small Craft Advisory
      Small Craft Advisory

    • Washington's Birthday

      Washington's Birthday:NW wind 10 to 15 kt becoming N in the afternoon. Winds could gust as high as 20 kt. Sunny. Seas 3 to 5 ft.

      High: 36 °F

      N 15kt
      3-5ft

    • Monday Night

      Monday Night:NNE wind 10 to 15 kt becoming ENE after midnight. Mostly cloudy. Seas 2 to 3 ft.

      Low: 30 °F

      NNE 15kt
      2-3ft

    • Tuesday

      Tuesday:ENE wind 5 to 10 kt becoming N in the afternoon. A chance of snow before 3pm.   Seas 2 to 3 ft.

      High: 33 °F

      ENE 10kt
      2-3ft

    • Tuesday Night

      Tuesday Night:N wind 5 to 15 kt becoming W in the evening. A chance of rain and snow after 9pm.   Seas 2 to 4 ft.

      Low: 31 °F

      W 15kt
      2-4ft

    • Wednesday

      Wednesday:WNW wind around 15 kt. A chance of rain and snow.   Seas 4 to 5 ft.

      High: 34 °F

      WNW 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: 3:32 pm AKST Feb 14, 2026
Forecast Valid: 5pm AKST Feb 14, 2026-6pm AKST Feb 21, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

Synopsis: A 1015 mb low roughly 30 nm S of Cordova this afternoon follows the gulf coast into Southeast Alaska through Sun morning. Weak high pressure moves into the western Gulf through Mon afternoon.

This Afternoon
Variable winds 5 kt or less. Mostly sunny. Seas around 4 ft.
Tonight
W wind 10 to 15 kt becoming N 15 to 20 kt. Winds could gust as high as 35 kt. Clear. Seas 8 ft subsiding to 5 ft.
Sunday
W wind 5 to 15 kt increasing to 15 to 25 kt in the afternoon. Winds could gust as high as 35 kt. Sunny. Seas 4 to 5 ft.
Sunday Night
WNW wind 20 to 30 kt. Clear. Seas 4 to 6 ft.
Washington's Birthday
NW wind 10 to 15 kt becoming N in the afternoon. Winds could gust as high as 20 kt. Sunny. Seas 3 to 5 ft.
Monday Night
NNE wind 10 to 15 kt becoming ENE after midnight. Mostly cloudy. Seas 2 to 3 ft.
Tuesday
ENE wind 5 to 10 kt becoming N in the afternoon. A chance of snow before 3pm. Seas 2 to 3 ft.
Tuesday Night
N wind 5 to 15 kt becoming W in the evening. A chance of rain and snow after 9pm. Seas 2 to 4 ft.
Wednesday
WNW wind around 15 kt. A chance of rain and snow. 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.
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ABOUT THIS FORECAST

Point Forecast: 59.52°N 149.63°W
Last Update: 3:32 pm AKST Feb 14, 2026
Forecast Valid: 5pm AKST Feb 14, 2026-6pm AKST Feb 21, 2026
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