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Charleston, SC Local Forecast Office

21NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:S wind 11 to 13 kt. A chance of showers and thunderstorms, mainly after 3pm. Seas around 2 ft.

      S 13kt
      2ft

    • Tonight

      Tonight:S wind 10 to 12 kt. A slight chance of showers and thunderstorms before 8pm. Seas 2 to 3 ft.

      S 12kt
      2-3ft

    • Saturday

      Saturday:SSW wind 8 to 10 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Seas around 2 ft.

      SSW 10kt
      2ft

    • Saturday Night

      Saturday Night:SSW wind around 9 kt. Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Seas around 2 ft.

      SSW 9kt
      2ft

    • Sunday

      Sunday:SSW wind 7 to 10 kt. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Seas around 2 ft.

      SSW 10kt
      2ft

    • Sunday Night

      Sunday Night:SSW wind 9 to 11 kt. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Seas around 2 ft.

      SSW 11kt
      2ft

    • Monday

      Monday:SW wind 7 to 10 kt becoming S in the afternoon. A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Seas around 2 ft.

      S 10kt
      2ft

    • Monday Night

      Monday Night:S wind 9 to 11 kt. 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 2 ft.

      S 11kt
      2ft

    • Tuesday

      Tuesday:WSW wind 7 to 9 kt becoming S in the afternoon. A slight chance of showers before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Seas around 2 ft.

      S 9kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 12:15 pm EDT Jun 13, 2025
Forecast Valid: 12pm EDT Jun 13, 2025-6pm EDT Jun 19, 2025

View Nearby Observations

Detailed Forecast


This Afternoon
S wind 11 to 13 kt. A chance of showers and thunderstorms, mainly after 3pm. Seas around 2 ft.
Tonight
S wind 10 to 12 kt. A slight chance of showers and thunderstorms before 8pm. Seas 2 to 3 ft.
Saturday
SSW wind 8 to 10 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Seas around 2 ft.
Saturday Night
SSW wind around 9 kt. Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Seas around 2 ft.
Sunday
SSW wind 7 to 10 kt. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Seas around 2 ft.
Sunday Night
SSW wind 9 to 11 kt. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Seas around 2 ft.
Monday
SW wind 7 to 10 kt becoming S in the afternoon. A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Seas around 2 ft.
Monday Night
S wind 9 to 11 kt. 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 2 ft.
Tuesday
WSW wind 7 to 9 kt becoming S in the afternoon. A slight chance of showers before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm 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: 12:15 pm EDT Jun 13, 2025
Forecast Valid: 12pm EDT Jun 13, 2025-6pm EDT Jun 19, 2025
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