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Charleston, SC Local Forecast Office

13NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]

Overnight
E 25kt
5ft
Wednesday
E 16kt
3-4ft
Wednesday Night
E 14kt⇓
3ft
Thursday
⇑SE 8kt
2-3ft
Thursday Night
SSE 9kt
2ft
Friday
⇑S 7kt
2ft
Friday Night
S 7kt⇓
2ft
Saturday
⇑SSE 6kt
1-2ft
Saturday Night
SSE 7kt⇓
2ft

Associated Zone Forecast which includes this point

Last Update: 8:32 pm EDT Sep 8, 2026
Forecast Valid: 11pm EDT Sep 8, 2026-6pm EDT Sep 15, 2026

View Nearby Observations

Detailed Forecast

Overnight

E wind 20 to 25 kt. Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Seas around 5 ft.

Wednesday

E wind 14 to 16 kt. A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 2pm, then a chance of showers and thunderstorms after 2pm. Seas 3 to 4 ft.

Wednesday Night

E wind 11 to 14 kt becoming SE 5 to 8 kt after midnight. A chance of showers and thunderstorms between 1am and 2am, then a slight chance of showers. Seas around 3 ft.

Thursday

Variable winds less than 5 kt becoming SE 5 to 8 kt in the afternoon. A chance of showers, with thunderstorms also possible after 11am. Seas 2 to 3 ft.

Thursday Night

SSE wind 7 to 9 kt becoming SSW after midnight. A chance of showers and thunderstorms before 2am. Seas around 2 ft.

Friday

Variable winds less than 5 kt becoming S 5 to 7 kt in the afternoon. A chance of showers and thunderstorms after 8am. Seas around 2 ft.

Friday Night

S wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms. Seas around 2 ft.

Saturday

Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. A chance of showers and thunderstorms. Seas 1 to 2 ft.

Saturday Night

SSE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms. Seas around 2 ft.

*Notices:

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.
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.