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Charleston, SC Local Forecast Office

13NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]
    • Thursday

      Thursday:SW wind 10 to 13 km/h becoming SSE in the afternoon. A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm.   Seas around 1 m.

      SW 13km/h
      1m

    • Thursday Night

      Thursday Night:S wind 10 to 13 km/h. A chance of showers and thunderstorms before 2am, then a slight chance of showers.   Seas around 1 m.

      S 13km/h
      1m

    • Independence Day

      Independence Day:NE wind 13 to 18 km/h increasing to 18 to 23 km/h in the afternoon. A slight chance of showers, then a chance of showers and thunderstorms after 8am.   Seas 1 m or less.

      ⇑NE 23km/h
      < 1m

    • Friday Night

      Friday Night:E wind 18 to 21 km/h. A chance of showers and thunderstorms, mainly after 2am.   Seas around 1 m.

      E 21km/h
      1m

    • Saturday

      Saturday:ENE wind 24 to 29 km/h, with gusts as high as 37 km/h. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.   Seas around 1 m.

      ENE 29km/h
      1m

    • Saturday Night

      Saturday Night:ENE wind 26 to 29 km/h decreasing to 23 to 26 km/h after midnight. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm.   Seas around 1 m.

      ENE 29km/h⇓
      1m

    • Sunday

      Sunday:NE wind 21 to 23 km/h becoming E in the afternoon. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.   Seas around 1 m.

      E 23km/h
      1m

    • Sunday Night

      Sunday Night:SSE wind 14 to 18 km/h becoming SW after midnight. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am.   Seas around 1 m.

      SSE 18km/h
      1m

    • Monday

      Monday:W wind 13 to 16 km/h becoming S in the afternoon. A slight chance of showers, then a chance of showers and thunderstorms after 8am.   Seas around 1 m.

      S 16km/h
      1m


Associated Zone Forecast which includes this point

Last Update: 1:41 am EDT Jul 3, 2025
Forecast Valid: 2am EDT Jul 3, 2025-6pm EDT Jul 9, 2025

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Detailed Forecast


Thursday
SW wind 10 to 13 km/h becoming SSE in the afternoon. A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Seas around 1 m.
Thursday Night
S wind 10 to 13 km/h. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Seas around 1 m.
Independence Day
NE wind 13 to 18 km/h increasing to 18 to 23 km/h in the afternoon. A slight chance of showers, then a chance of showers and thunderstorms after 8am. Seas 1 m or less.
Friday Night
E wind 18 to 21 km/h. A chance of showers and thunderstorms, mainly after 2am. Seas around 1 m.
Saturday
ENE wind 24 to 29 km/h, with gusts as high as 37 km/h. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Seas around 1 m.
Saturday Night
ENE wind 26 to 29 km/h decreasing to 23 to 26 km/h after midnight. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Seas around 1 m.
Sunday
NE wind 21 to 23 km/h becoming E in the afternoon. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Seas around 1 m.
Sunday Night
SSE wind 14 to 18 km/h becoming SW after midnight. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Seas around 1 m.
Monday
W wind 13 to 16 km/h becoming S in the afternoon. A slight chance of showers, then a chance of showers and thunderstorms after 8am. Seas around 1 m.

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: 1:41 am EDT Jul 3, 2025
Forecast Valid: 2am EDT Jul 3, 2025-6pm EDT Jul 9, 2025
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