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Charleston, SC Local Forecast Office

21NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]
    • Today

      Today:S wind 10 to 12 kt. A chance of showers and thunderstorms, mainly between 1pm and 2pm.   Seas around 2 ft.

      S 12kt
      2ft

    • Tonight

      Tonight:S wind 9 to 12 kt becoming SSW after midnight. Partly cloudy. Seas around 2 ft.

      S 12kt
      2ft

    • Friday

      Friday:SW wind 6 to 11 kt becoming S in the afternoon. A chance of showers and thunderstorms, mainly after 2pm.   Seas around 2 ft.

      S 11kt
      2ft

    • Friday Night

      Friday Night:S wind 8 to 10 kt becoming SW after midnight. A chance of showers and thunderstorms before 8pm.   Seas around 2 ft.

      S 10kt
      2ft

    • Saturday

      Saturday:WSW wind 5 to 9 kt becoming S in the afternoon. Sunny. Seas around 2 ft.

      S 9kt
      2ft

    • Saturday Night

      Saturday Night:S wind 9 to 11 kt becoming SW after midnight. Mostly clear. Seas around 2 ft.

      S 11kt
      2ft

    • Sunday

      Sunday:W wind 7 to 9 kt becoming SSW in the afternoon. A slight chance of showers and thunderstorms after 2pm.   Seas around 2 ft.

      SSW 9kt
      2ft

    • Sunday Night

      Sunday Night:SSW wind around 9 kt becoming WSW after midnight. A slight chance of showers and thunderstorms before 2am.   Seas around 2 ft.

      SSW 9kt
      2ft

    • Monday

      Monday:W wind 6 to 8 kt becoming SSW in the afternoon. A chance of showers and thunderstorms, mainly after 2pm.   Seas around 2 ft.

      SSW 8kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 7:12 am EDT Jul 17, 2025
Forecast Valid: 11am EDT Jul 17, 2025-6pm EDT Jul 23, 2025

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Detailed Forecast


Today
S wind 10 to 12 kt. A chance of showers and thunderstorms, mainly between 1pm and 2pm. Seas around 2 ft.
Tonight
S wind 9 to 12 kt becoming SSW after midnight. Partly cloudy. Seas around 2 ft.
Friday
SW wind 6 to 11 kt becoming S in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas around 2 ft.
Friday Night
S wind 8 to 10 kt becoming SW after midnight. A chance of showers and thunderstorms before 8pm. Seas around 2 ft.
Saturday
WSW wind 5 to 9 kt becoming S in the afternoon. Sunny. Seas around 2 ft.
Saturday Night
S wind 9 to 11 kt becoming SW after midnight. Mostly clear. Seas around 2 ft.
Sunday
W wind 7 to 9 kt becoming SSW in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas around 2 ft.
Sunday Night
SSW wind around 9 kt becoming WSW after midnight. A slight chance of showers and thunderstorms before 2am. Seas around 2 ft.
Monday
W wind 6 to 8 kt becoming SSW in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas around 2 ft.

Winds and seas higher in and near tstms.

*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: 7:12 am EDT Jul 17, 2025
Forecast Valid: 11am EDT Jul 17, 2025-6pm EDT Jul 23, 2025
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