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Charleston, SC Local Forecast Office

21NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]
    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming SSE 5 to 10 kt in the afternoon. Sunny. Seas 1 to 2 ft.

      ⇑SSE 10kt
      1-2ft

    • Wednesday Night

      Wednesday Night:S wind 7 to 11 kt. A chance of showers and thunderstorms, mainly after midnight.   Seas around 1 ft.

      S 11kt
      1ft

    • Thursday

      Thursday:S wind 6 to 9 kt becoming SE in the morning. A chance of showers and thunderstorms, mainly after 2pm.   Seas around 1 ft.

      S 9kt
      1ft

    • Thursday Night

      Thursday Night:S wind 7 to 10 kt. A chance of showers and thunderstorms before 2am.   Seas around 1 ft.

      S 10kt
      1ft

    • Friday

      Friday:SW wind 5 to 10 kt becoming SSE in the afternoon. A chance of showers and thunderstorms, mainly after 2pm.   Seas around 1 ft.

      SSE 10kt
      1ft

    • Friday Night

      Friday Night:S wind 6 to 10 kt becoming SW after midnight. A chance of showers and thunderstorms, mainly before 2am.   Seas around 1 ft.

      S 10kt
      1ft

    • Saturday

      Saturday:W wind 6 to 10 kt becoming S in the afternoon. A chance of showers and thunderstorms, mainly after 2pm.   Seas around 1 ft.

      S 10kt
      1ft

    • Saturday Night

      Saturday Night:S wind 7 to 10 kt becoming WSW after midnight. A chance of showers and thunderstorms, mainly before 2am.   Seas around 1 ft.

      S 10kt
      1ft

    • Sunday

      Sunday:W wind 6 to 11 kt becoming SSE in the afternoon. Showers and thunderstorms likely, mainly after 2pm.   Seas around 1 ft.

      SSE 11kt
      1ft


Associated Zone Forecast which includes this point

Last Update: 2:51 am EDT Jun 25, 2025
Forecast Valid: 4am EDT Jun 25, 2025-6pm EDT Jul 1, 2025

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Detailed Forecast


Wednesday
Variable winds less than 5 kt becoming SSE 5 to 10 kt in the afternoon. Sunny. Seas 1 to 2 ft.
Wednesday Night
S wind 7 to 11 kt. A chance of showers and thunderstorms, mainly after midnight. Seas around 1 ft.
Thursday
S wind 6 to 9 kt becoming SE in the morning. A chance of showers and thunderstorms, mainly after 2pm. Seas around 1 ft.
Thursday Night
S wind 7 to 10 kt. A chance of showers and thunderstorms before 2am. Seas around 1 ft.
Friday
SW wind 5 to 10 kt becoming SSE in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas around 1 ft.
Friday Night
S wind 6 to 10 kt becoming SW after midnight. A chance of showers and thunderstorms, mainly before 2am. Seas around 1 ft.
Saturday
W wind 6 to 10 kt becoming S in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas around 1 ft.
Saturday Night
S wind 7 to 10 kt becoming WSW after midnight. A chance of showers and thunderstorms, mainly before 2am. Seas around 1 ft.
Sunday
W wind 6 to 11 kt becoming SSE in the afternoon. Showers and thunderstorms likely, mainly after 2pm. Seas around 1 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: 2:51 am EDT Jun 25, 2025
Forecast Valid: 4am EDT Jun 25, 2025-6pm EDT Jul 1, 2025
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