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Charleston, SC Local Forecast Office

13NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:WSW wind 9 to 11 kt. A slight chance of showers and thunderstorms before 1am. Seas around 2 ft.

      WSW 11kt
      2ft

    • Saturday

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

      W 8kt
      2ft

    • Saturday Night

      Saturday Night:SSW wind around 9 kt. A chance of showers and thunderstorms, mainly before 2am. Seas around 2 ft.

      SSW 9kt
      2ft

    • Sunday

      Sunday:W wind 5 to 9 kt becoming SSW in the afternoon. A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Seas 1 to 2 ft.

      W 9kt
      1-2ft

    • Sunday Night

      Sunday Night:S wind 6 to 8 kt becoming WSW after midnight. A chance of showers and thunderstorms, mainly before 8pm. Seas 1 to 2 ft.

      S 8kt
      1-2ft

    • Monday

      Monday:NNW wind around 6 kt becoming ESE in the afternoon. A chance of showers and thunderstorms after 2pm. Seas around 1 ft.

      NNW 6kt
      1ft

    • Monday Night

      Monday Night:SSE wind 5 to 7 kt. A chance of showers and thunderstorms before 2am. Seas around 1 ft.

      SSE 7kt
      1ft

    • Tuesday

      Tuesday:ESE wind 5 to 8 kt. Showers and thunderstorms likely, mainly after 2pm. Seas around 1 ft.

      ESE 8kt
      1ft

    • Tuesday Night

      Tuesday Night:S wind around 9 kt. Showers and thunderstorms likely, mainly before 8pm. Seas 1 to 2 ft.

      S 9kt
      1-2ft


Associated Zone Forecast which includes this point

Last Update: 10:09 pm EDT Jul 11, 2025
Forecast Valid: 10pm EDT Jul 11, 2025-6pm EDT Jul 18, 2025

View Nearby Observations

Detailed Forecast


Tonight
WSW wind 9 to 11 kt. A slight chance of showers and thunderstorms before 1am. Seas around 2 ft.
Saturday
W wind 6 to 8 kt becoming S in the afternoon. A chance of showers and thunderstorms, mainly after 2pm. Seas around 2 ft.
Saturday Night
SSW wind around 9 kt. A chance of showers and thunderstorms, mainly before 2am. Seas around 2 ft.
Sunday
W wind 5 to 9 kt becoming SSW in the afternoon. A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Seas 1 to 2 ft.
Sunday Night
S wind 6 to 8 kt becoming WSW after midnight. A chance of showers and thunderstorms, mainly before 8pm. Seas 1 to 2 ft.
Monday
NNW wind around 6 kt becoming ESE in the afternoon. A chance of showers and thunderstorms after 2pm. Seas around 1 ft.
Monday Night
SSE wind 5 to 7 kt. A chance of showers and thunderstorms before 2am. Seas around 1 ft.
Tuesday
ESE wind 5 to 8 kt. Showers and thunderstorms likely, mainly after 2pm. Seas around 1 ft.
Tuesday Night
S wind around 9 kt. Showers and thunderstorms likely, mainly before 8pm. Seas 1 to 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: 31.49°N 81.19°W
Last Update: 10:09 pm EDT Jul 11, 2025
Forecast Valid: 10pm EDT Jul 11, 2025-6pm EDT Jul 18, 2025
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