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Charleston, SC Local Forecast Office

3NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]
    • Late Afternoon

      Late Afternoon:ESE wind around 15 kt. A chance of showers and thunderstorms.   Seas around 2 ft.

      ESE 15kt
      2ft

    • Tonight

      Tonight:SE wind around 15 kt. A chance of showers and thunderstorms, mainly before 1am.   Seas around 2 ft.

      SE 15kt
      2ft

    • Wednesday

      Wednesday:S wind 12 to 16 kt. A chance of showers and thunderstorms, mainly between 4pm and 5pm.   Seas 2 to 3 ft.

      S 16kt
      2-3ft

    • Wednesday Night

      Wednesday Night:S wind 13 to 15 kt. A slight chance of showers and thunderstorms before 8pm.   Seas around 3 ft.

      S 15kt
      3ft

    • Thursday

      Thursday:S wind 9 to 13 kt. A slight chance of showers, then a chance of showers and thunderstorms after 11am.   Seas around 2 ft.

      S 13kt
      2ft

    • Thursday Night

      Thursday Night:S wind 9 to 14 kt. A chance of showers and thunderstorms before 8pm.   Seas around 2 ft.

      S 14kt
      2ft

    • Friday

      Friday:SW wind 6 to 10 kt becoming SSE in the afternoon. A chance of showers and thunderstorms after 2pm.   Seas 1 to 2 ft.

      SSE 10kt
      1-2ft

    • Friday Night

      Friday Night:S wind 8 to 11 kt becoming SW after midnight. A chance of showers and thunderstorms before 8pm.   Seas around 2 ft.

      S 11kt
      2ft

    • Saturday

      Saturday:WSW wind 5 to 8 kt becoming S in the afternoon. A slight chance of showers and thunderstorms after 2pm.   Seas 1 to 2 ft.

      S 8kt
      1-2ft


Associated Zone Forecast which includes this point

Last Update: 1:08 pm EDT Jul 15, 2025
Forecast Valid: 5pm EDT Jul 15, 2025-6pm EDT Jul 22, 2025

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Detailed Forecast


Late Afternoon
ESE wind around 15 kt. A chance of showers and thunderstorms. Seas around 2 ft.
Tonight
SE wind around 15 kt. A chance of showers and thunderstorms, mainly before 1am. Seas around 2 ft.
Wednesday
S wind 12 to 16 kt. A chance of showers and thunderstorms, mainly between 4pm and 5pm. Seas 2 to 3 ft.
Wednesday Night
S wind 13 to 15 kt. A slight chance of showers and thunderstorms before 8pm. Seas around 3 ft.
Thursday
S wind 9 to 13 kt. A slight chance of showers, then a chance of showers and thunderstorms after 11am. Seas around 2 ft.
Thursday Night
S wind 9 to 14 kt. A chance of showers and thunderstorms before 8pm. Seas around 2 ft.
Friday
SW wind 6 to 10 kt becoming SSE in the afternoon. A chance of showers and thunderstorms after 2pm. Seas 1 to 2 ft.
Friday Night
S wind 8 to 11 kt becoming SW after midnight. A chance of showers and thunderstorms before 8pm. Seas around 2 ft.
Saturday
WSW wind 5 to 8 kt becoming S in the afternoon. A slight chance of showers and thunderstorms after 2pm. 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: 31.34°N 81.26°W
Last Update: 1:08 pm EDT Jul 15, 2025
Forecast Valid: 5pm EDT Jul 15, 2025-6pm EDT Jul 22, 2025
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