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Charleston, SC Local Forecast Office

21NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:ENE wind around 9 kt becoming N after midnight. A chance of showers, mainly before 2am.   Seas around 2 ft.

      N 9kt
      2ft

    • Monday

      Monday:NNW wind 10 to 13 kt. A slight chance of showers, mainly between 9am and 1pm.   Seas around 2 ft.

      NNW 13kt
      2ft

    • Monday Night

      Monday Night:N wind around 14 kt. Mostly cloudy. Seas 2 to 3 ft.

      N 14kt
      2-3ft

    • Tuesday

      Tuesday:NNE wind 6 to 11 kt. Mostly sunny. Seas 2 to 3 ft.

      NNE 11kt
      2-3ft

    • Tuesday Night

      Tuesday Night: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 5 to 10 kt in the morning. Sunny. Seas around 2 ft.

      ⇑WSW 10kt
      2ft

    • Wednesday Night

      Wednesday Night:WSW wind 8 to 10 kt. Mostly clear. Seas around 2 ft.

      WSW 10kt
      2ft

    • Thursday

      Thursday:W wind around 8 kt becoming SW in the afternoon. Sunny. Seas around 2 ft.

      WSW 8kt
      2ft

    • Thursday Night

      Thursday Night:WSW wind 7 to 9 kt. Partly cloudy. Seas around 2 ft.

      WSW 9kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 7:30 pm EST Dec 7, 2025
Forecast Valid: 9pm EST Dec 7, 2025-6pm EST Dec 14, 2025

View Nearby Observations

Detailed Forecast


Tonight
ENE wind around 9 kt becoming N after midnight. A chance of showers, mainly before 2am. Seas around 2 ft.
Monday
NNW wind 10 to 13 kt. A slight chance of showers, mainly between 9am and 1pm. Seas around 2 ft.
Monday Night
N wind around 14 kt. Mostly cloudy. Seas 2 to 3 ft.
Tuesday
NNE wind 6 to 11 kt. Mostly sunny. Seas 2 to 3 ft.
Tuesday Night
Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.
Wednesday
Variable winds less than 5 kt becoming WSW 5 to 10 kt in the morning. Sunny. Seas around 2 ft.
Wednesday Night
WSW wind 8 to 10 kt. Mostly clear. Seas around 2 ft.
Thursday
W wind around 8 kt becoming SW in the afternoon. Sunny. Seas around 2 ft.
Thursday Night
WSW wind 7 to 9 kt. Partly cloudy. Seas around 2 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 7, 2025
Forecast Valid: 9pm EST Dec 7, 2025-6pm EST Dec 14, 2025
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