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Charleston, SC Local Forecast Office

15NM N Altamaha Sound FL

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. Patchy fog before 8am.  Seas 1 ft or less.

      ⇑SE 6kt
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming SSE 5 to 8 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑SSE 8kt
      < 1ft

    • Thursday Night

      Thursday Night:S wind around 6 kt becoming variable and less than 5 kt after midnight. Clear. Seas 1 ft or less.

      S 6kt⇓
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SSE 5 to 9 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑SSE 9kt
      < 1ft

    • Friday Night

      Friday Night:S wind 5 to 7 kt becoming SSW after midnight. Mostly clear. Seas 1 ft or less.

      S 7kt
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming S 5 to 10 kt in the afternoon. A slight chance of showers and thunderstorms after 2pm.   Seas 1 ft or less.

      ⇑S 10kt
      < 1ft

    • Saturday Night

      Saturday Night:S wind 5 to 8 kt becoming WSW after midnight. A chance of showers and thunderstorms.   Seas 1 ft or less.

      S 8kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 9:06 pm EDT Apr 21, 2026
Forecast Valid: 9pm EDT Apr 21, 2026-6pm EDT Apr 28, 2026

View Nearby Observations

Detailed Forecast


Tonight
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. Patchy fog before 8am. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Thursday
Variable winds less than 5 kt becoming SSE 5 to 8 kt in the afternoon. Sunny. Seas 1 ft or less.
Thursday Night
S wind around 6 kt becoming variable and less than 5 kt after midnight. Clear. Seas 1 ft or less.
Friday
Variable winds less than 5 kt becoming SSE 5 to 9 kt in the afternoon. Sunny. Seas 1 ft or less.
Friday Night
S wind 5 to 7 kt becoming SSW after midnight. Mostly clear. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming S 5 to 10 kt in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Saturday Night
S wind 5 to 8 kt becoming WSW after midnight. A chance of showers and thunderstorms. Seas 1 ft or less.

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: 31.54°N 81.27°W
Last Update: 9:06 pm EDT Apr 21, 2026
Forecast Valid: 9pm EDT Apr 21, 2026-6pm EDT Apr 28, 2026
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