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Charleston, SC Local Forecast Office

21NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]
    • Saturday

      Saturday:Variable winds 5 kt or less. Patchy dense fog before 9am.  Seas around 1 ft.

      Light Wind
      1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

      Light Wind
      1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming E 5 to 8 kt in the afternoon. Sunny. Seas around 1 ft.

      ⇑E 8kt
      1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

      Light Wind
      1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming ESE around 6 kt in the afternoon. Mostly sunny. Seas around 1 ft.

      ⇑ESE 6kt
      1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.

      Light Wind
      1ft

    • Tuesday

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

      ⇑SSE 8kt
      1ft

    • Tuesday Night

      Tuesday Night:SSE wind around 8 kt. Clear. Seas around 1 ft.

      SSE 8kt
      1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming SSE 5 to 10 kt in the afternoon. Sunny. Seas around 1 ft.

      ⇑SSE 10kt
      1ft


Associated Zone Forecast which includes this point

Last Update: 2:40 am EDT Apr 11, 2026
Forecast Valid: 3am EDT Apr 11, 2026-6pm EDT Apr 17, 2026

View Nearby Observations

Detailed Forecast


Saturday
Variable winds 5 kt or less. Patchy dense fog before 9am. Seas around 1 ft.
Saturday Night
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Sunday
Variable winds less than 5 kt becoming E 5 to 8 kt in the afternoon. Sunny. Seas around 1 ft.
Sunday Night
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.
Monday
Variable winds less than 5 kt becoming ESE around 6 kt in the afternoon. Mostly sunny. Seas around 1 ft.
Monday Night
Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.
Tuesday
Variable winds less than 5 kt becoming SSE 5 to 8 kt in the afternoon. Sunny. Seas around 1 ft.
Tuesday Night
SSE wind around 8 kt. Clear. Seas around 1 ft.
Wednesday
Variable winds less than 5 kt becoming SSE 5 to 10 kt in the afternoon. Sunny. Seas around 1 ft.

*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: 2:40 am EDT Apr 11, 2026
Forecast Valid: 3am EDT Apr 11, 2026-6pm EDT Apr 17, 2026
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