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Charleston, SC Local Forecast Office

21NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.

      Light Wind
      2ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming WSW 9 to 14 kt in the morning. Winds could gust as high as 22 kt. Sunny. Seas around 2 ft.

      ⇑WSW 14kt
      2ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday Night

      Wednesday Night:WSW wind 13 to 15 kt becoming WNW after midnight. Winds could gust as high as 25 kt. Mostly clear. Seas 2 to 3 ft.

      WSW 15kt
      2-3ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday

      Thursday:WNW wind around 11 kt. Sunny. Seas around 2 ft.

      WNW 11kt
      2ft

    • Thursday Night

      Thursday Night:W wind 6 to 9 kt. Clear. Seas 1 to 2 ft.

      W 9kt
      1-2ft

    • Friday

      Friday:NW wind 5 to 8 kt becoming S in the afternoon. Sunny. Seas around 1 ft.

      S 8kt
      1ft

    • Friday Night

      Friday Night:SSW wind around 7 kt becoming WSW after midnight. Mostly clear. Seas around 1 ft.

      SSW 7kt
      1ft

    • Saturday

      Saturday:WSW wind around 6 kt becoming S in the afternoon. Sunny. Seas around 1 ft.

      S 6kt
      1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.

      Light Wind
      1ft


Associated Zone Forecast which includes this point

Last Update: 7:30 pm EST Dec 9, 2025
Forecast Valid: 11pm EST Dec 9, 2025-6pm EST Dec 16, 2025

View Nearby Observations

Detailed Forecast


Overnight
Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.
Wednesday
Variable winds less than 5 kt becoming WSW 9 to 14 kt in the morning. Winds could gust as high as 22 kt. Sunny. Seas around 2 ft.
Wednesday Night
WSW wind 13 to 15 kt becoming WNW after midnight. Winds could gust as high as 25 kt. Mostly clear. Seas 2 to 3 ft.
Thursday
WNW wind around 11 kt. Sunny. Seas around 2 ft.
Thursday Night
W wind 6 to 9 kt. Clear. Seas 1 to 2 ft.
Friday
NW wind 5 to 8 kt becoming S in the afternoon. Sunny. Seas around 1 ft.
Friday Night
SSW wind around 7 kt becoming WSW after midnight. Mostly clear. Seas around 1 ft.
Saturday
WSW wind around 6 kt becoming S in the afternoon. Sunny. Seas around 1 ft.
Saturday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 1 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: 31.62°N 81.12°W
Last Update: 7:30 pm EST Dec 9, 2025
Forecast Valid: 11pm EST Dec 9, 2025-6pm EST Dec 16, 2025
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