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Charleston, SC Local Forecast Office

21NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:S wind 13 to 18 km/h. Mostly clear. Seas 1 m or less.

      S 18km/h
      < 1m

    • Sunday

      Sunday:SSW wind 5 to 8 km/h becoming SE 11 to 16 km/h in the afternoon. Sunny. Seas 1 m or less.

      ⇑SE 16km/h
      < 1m

    • Sunday Night

      Sunday Night:SSE wind 13 to 16 km/h decreasing to 10 to 13 km/h after midnight. Mostly clear. Seas around 1 m.

      SSE 16km/h⇓
      1m

    • Monday

      Monday:SSE wind 8 to 11 km/h becoming ESE 13 to 18 km/h in the afternoon. A slight chance of showers before 2pm.   Seas 1 m or less.

      ⇑ESE 18km/h
      < 1m

    • Monday Night

      Monday Night:SSE wind 10 to 14 km/h becoming S after midnight. Mostly clear. Seas around 1 m.

      SSE 14km/h
      1m

    • Tuesday

      Tuesday:W wind 8 to 11 km/h becoming SE 11 to 14 km/h in the afternoon. Sunny. Seas 1 m or less.

      ⇑SE 14km/h
      < 1m

    • Tuesday Night

      Tuesday Night:SSE wind 11 to 14 km/h becoming SSW after midnight. Mostly clear. Seas 1 m or less.

      SSE 14km/h
      < 1m

    • Wednesday

      Wednesday:WSW wind 8 to 11 km/h becoming SSE 13 to 16 km/h in the afternoon. Sunny. Seas 1 m or less.

      ⇑SSE 16km/h
      < 1m

    • Wednesday Night

      Wednesday Night:S wind 14 to 16 km/h becoming SW after midnight. Mostly clear. Seas 1 m or less.

      S 16km/h
      < 1m


Associated Zone Forecast which includes this point

Last Update: 2:57 pm EDT Jun 21, 2025
Forecast Valid: 4pm EDT Jun 21, 2025-6pm EDT Jun 28, 2025

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Detailed Forecast


Tonight
S wind 13 to 18 km/h. Mostly clear. Seas 1 m or less.
Sunday
SSW wind 5 to 8 km/h becoming SE 11 to 16 km/h in the afternoon. Sunny. Seas 1 m or less.
Sunday Night
SSE wind 13 to 16 km/h decreasing to 10 to 13 km/h after midnight. Mostly clear. Seas around 1 m.
Monday
SSE wind 8 to 11 km/h becoming ESE 13 to 18 km/h in the afternoon. A slight chance of showers before 2pm. Seas 1 m or less.
Monday Night
SSE wind 10 to 14 km/h becoming S after midnight. Mostly clear. Seas around 1 m.
Tuesday
W wind 8 to 11 km/h becoming SE 11 to 14 km/h in the afternoon. Sunny. Seas 1 m or less.
Tuesday Night
SSE wind 11 to 14 km/h becoming SSW after midnight. Mostly clear. Seas 1 m or less.
Wednesday
WSW wind 8 to 11 km/h becoming SSE 13 to 16 km/h in the afternoon. Sunny. Seas 1 m or less.
Wednesday Night
S wind 14 to 16 km/h becoming SW after midnight. Mostly clear. Seas 1 m or less.

*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: 2:57 pm EDT Jun 21, 2025
Forecast Valid: 4pm EDT Jun 21, 2025-6pm EDT Jun 28, 2025
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