Hazardous Weather Conditions

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Anchorage, AK Local Forecast Office

5NM S Chiswell Islands AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:ENE wind 5 to 10 kt increasing to 15 to 20 kt in the morning. Rain, mainly after 7am.   Seas 2 to 4 ft.

      High: 54 °F

      ⇑ENE 20kt
      2-4ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Showers likely, mainly before 10pm.   Seas around 4 ft.

      Low: 53 °F

      Light Wind
      4ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Isolated showers before 10am.   Seas 4 to 6 ft.

      High: 56 °F

      Light Wind
      4-6ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Mostly cloudy. Seas 2 to 3 ft.

      Low: 54 °F

      Light Wind
      2-3ft

    • Friday

      Friday:ENE wind 10 to 15 kt. A chance of rain.   Seas around 2 ft.

      High: 56 °F

      ENE 15kt
      2ft

    • Friday Night

      Friday Night:ENE wind around 10 kt, with gusts as high as 20 kt. A chance of rain before 10pm.   Seas around 2 ft.

      Low: 53 °F

      ENE 10kt
      2ft

    • Saturday

      Saturday:NE wind around 10 kt. Rain likely after 10am.   Seas 4 to 5 ft.

      High: 54 °F

      NE 10kt
      4-5ft

    • Saturday Night

      Saturday Night:ENE wind around 10 kt. A chance of rain.   Seas around 4 ft.

      Low: 53 °F

      ENE 10kt
      4ft

    • Sunday

      Sunday:NE wind around 10 kt. A chance of rain.   Seas around 3 ft.

      High: 55 °F

      NE 10kt
      3ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:43 am AKDT Jul 16, 2025
Forecast Valid: 6am AKDT Jul 16, 2025-6pm AKDT Jul 22, 2025

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Detailed Forecast

...SMALL CRAFT ADVISORY TODAY...

Synopsis: A 1014 mb low near Port Heiden moves into Southwest Alaska by Wed afternoon. Its front lingers along the western Gulf through Thu morning. A North Pacific low moves to 50 nm SE of Chignik at 1005 mb by Fri morning.

Today
ENE wind 5 to 10 kt increasing to 15 to 20 kt in the morning. Rain, mainly after 7am. Seas 2 to 4 ft.
Tonight
Variable winds 5 kt or less. Showers likely, mainly before 10pm. Seas around 4 ft.
Thursday
Variable winds 5 kt or less. Isolated showers before 10am. Seas 4 to 6 ft.
Thursday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 2 to 3 ft.
Friday
ENE wind 10 to 15 kt. A chance of rain. Seas around 2 ft.
Friday Night
ENE wind around 10 kt, with gusts as high as 20 kt. A chance of rain before 10pm. Seas around 2 ft.
Saturday
NE wind around 10 kt. Rain likely after 10am. Seas 4 to 5 ft.
Saturday Night
ENE wind around 10 kt. A chance of rain. Seas around 4 ft.
Sunday
NE wind around 10 kt. A chance of rain. Seas around 3 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: 2:43 am AKDT Jul 16, 2025
Forecast Valid: 6am AKDT Jul 16, 2025-6pm AKDT Jul 22, 2025
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