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Charleston, SC Local Forecast Office

21NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:S wind around 13 kt. A slight chance of showers and thunderstorms before 11pm. Seas around 2 ft.

      S 13kt
      2ft

    • Juneteenth

      Juneteenth:SW wind 8 to 11 kt becoming S in the afternoon. A chance of showers and thunderstorms after 2pm. Seas around 2 ft.

      S 11kt
      2ft

    • Thursday Night

      Thursday Night:S wind 8 to 12 kt. A chance of showers and thunderstorms. Seas around 2 ft.

      S 12kt
      2ft

    • Friday

      Friday:WSW wind 5 to 8 kt becoming S in the afternoon. A chance of showers, with thunderstorms also possible after 2pm. Seas 1 to 2 ft.

      S 8kt
      1-2ft

    • Friday Night

      Friday Night:S wind 6 to 9 kt. A chance of showers and thunderstorms. Seas around 2 ft.

      S 9kt
      2ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming SE 5 to 9 kt in the afternoon. A chance of showers, with thunderstorms also possible after 2pm. Seas around 1 ft.

      ⇑SE 9kt
      1ft

    • Saturday Night

      Saturday Night:S wind 5 to 8 kt. A chance of thunderstorms before 8pm. Seas around 2 ft.

      S 8kt
      2ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming ESE 5 to 9 kt in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas 1 to 2 ft.

      ⇑ESE 9kt
      1-2ft

    • Sunday Night

      Sunday Night:SE wind 5 to 8 kt becoming S after midnight. A slight chance of showers and thunderstorms before 8pm. Seas 1 to 2 ft.

      SE 8kt
      1-2ft


Associated Zone Forecast which includes this point

Last Update: 7:22 pm EDT Jun 18, 2025
Forecast Valid: 8pm EDT Jun 18, 2025-6pm EDT Jun 25, 2025

View Nearby Observations

Detailed Forecast


Tonight
S wind around 13 kt. A slight chance of showers and thunderstorms before 11pm. Seas around 2 ft.
Juneteenth
SW wind 8 to 11 kt becoming S in the afternoon. A chance of showers and thunderstorms after 2pm. Seas around 2 ft.
Thursday Night
S wind 8 to 12 kt. A chance of showers and thunderstorms. Seas around 2 ft.
Friday
WSW wind 5 to 8 kt becoming S in the afternoon. A chance of showers, with thunderstorms also possible after 2pm. Seas 1 to 2 ft.
Friday Night
S wind 6 to 9 kt. A chance of showers and thunderstorms. Seas around 2 ft.
Saturday
Variable winds less than 5 kt becoming SE 5 to 9 kt in the afternoon. A chance of showers, with thunderstorms also possible after 2pm. Seas around 1 ft.
Saturday Night
S wind 5 to 8 kt. A chance of thunderstorms before 8pm. Seas around 2 ft.
Sunday
Variable winds less than 5 kt becoming ESE 5 to 9 kt in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas 1 to 2 ft.
Sunday Night
SE wind 5 to 8 kt becoming S after midnight. A slight chance of showers and thunderstorms 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: 31.62°N 81.12°W
Last Update: 7:22 pm EDT Jun 18, 2025
Forecast Valid: 8pm EDT Jun 18, 2025-6pm EDT Jun 25, 2025
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