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Anchorage, AK Local Forecast Office

15NM SSW Old Harbor AK

Marine Point Forecast

[NOTICE]
    • Today

      Today:NNW wind 5 to 10 kt. Sunny. Seas around 1 ft.

      High: 55 °F

      NNW 10kt
      1ft

    • Tonight

      Tonight:WNW wind around 10 kt. Mostly clear. Seas around 2 ft.

      Low: 44 °F

      WNW 10kt
      2ft

    • Tuesday

      Tuesday:W wind 5 to 10 kt. Mostly sunny. Seas 1 to 2 ft.

      High: 54 °F

      W 10kt
      1-2ft

    • Tuesday Night

      Tuesday Night:SW wind around 10 kt. Rain likely, mainly after 4am.   Seas 1 to 2 ft.

      Low: 48 °F

      SW 10kt
      1-2ft

    • Wednesday

      Wednesday:SW wind around 10 kt. Rain likely, mainly after 10am.   Seas 1 to 2 ft.

      High: 52 °F

      SW 10kt
      1-2ft

    • Wednesday Night

      Wednesday Night:SW wind 5 to 10 kt becoming WNW after midnight. Showers likely before 7pm, then rain likely between 7pm and 1am, then a chance of showers after 1am.   Seas 1 to 2 ft.

      Low: 48 °F

      WNW 10kt
      1-2ft

    • Thursday

      Thursday:NW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of rain.   Seas 2 to 3 ft.

      High: 53 °F

      NW 15kt
      2-3ft

    • Thursday Night

      Thursday Night:WNW wind around 15 kt, with gusts as high as 20 kt. A chance of rain.   Seas 3 to 4 ft.

      Low: 48 °F

      WNW 15kt
      3-4ft

    • Friday

      Friday:WNW wind around 15 kt. Mostly sunny. Seas around 3 ft.

      High: 54 °F

      WNW 15kt
      3ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:10 am AKDT Sep 29, 2025
Forecast Valid: 8am AKDT Sep 29, 2025-6pm AKDT Oct 5, 2025

View Nearby Observations

Detailed Forecast


Synopsis: A front lingers near the northern Gulf coast through Wed morning. A 1005 mb low develops 40 nm SE of Seward Tue morning and moves to 40 nm SW of Cordova at 1009 mb Tue afternoon. This low then moves into Prince William Sound at 1007 mb Wed morning. Another front enters the western Gulf Wed morning.

Today
NNW wind 5 to 10 kt. Sunny. Seas around 1 ft.
Tonight
WNW wind around 10 kt. Mostly clear. Seas around 2 ft.
Tuesday
W wind 5 to 10 kt. Mostly sunny. Seas 1 to 2 ft.
Tuesday Night
SW wind around 10 kt. Rain likely, mainly after 4am. Seas 1 to 2 ft.
Wednesday
SW wind around 10 kt. Rain likely, mainly after 10am. Seas 1 to 2 ft.
Wednesday Night
SW wind 5 to 10 kt becoming WNW after midnight. Showers likely before 7pm, then rain likely between 7pm and 1am, then a chance of showers after 1am. Seas 1 to 2 ft.
Thursday
NW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of rain. Seas 2 to 3 ft.
Thursday Night
WNW wind around 15 kt, with gusts as high as 20 kt. A chance of rain. Seas 3 to 4 ft.
Friday
WNW wind around 15 kt. Mostly sunny. 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: 57°N 153.54°W
Last Update: 5:10 am AKDT Sep 29, 2025
Forecast Valid: 8am AKDT Sep 29, 2025-6pm AKDT Oct 5, 2025
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