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South Dewees Island, SC - Dewees Inlet Marine Weather Forecast

Tonight - 53°F
Dec 17, 2025
5 mph E
Mostly Cloudy then Slight Chance Light Rain
A slight chance of rain after 4am. Mostly cloudy, with a low around 53. East wind around 5 mph. Chance of precipitation is 20%.
Thursday - 66°F
Dec 18, 2025
6 to 9 mph SE
Rain
A chance of rain between 10am and 1pm, then rain and a slight chance of thunderstorms. Cloudy, with a high near 66. Southeast wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night - 56°F
Dec 18, 2025
6 to 10 mph SW
Light Rain
Rain likely before 7pm, then rain and a slight chance of thunderstorms. Cloudy, with a low around 56. Southwest wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday - 64°F
Dec 19, 2025
7 to 10 mph W
Chance Light Rain then Mostly Sunny
A chance of rain before 7am. Mostly sunny, with a high near 64. West wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Friday Night - 42°F
Dec 19, 2025
6 mph N
Mostly Clear
Mostly clear, with a low around 42. North wind around 6 mph.
Saturday - 60°F
Dec 20, 2025
6 mph NE
Sunny
Sunny, with a high near 60.
Saturday Night - 46°F
Dec 20, 2025
3 mph NW
Mostly Clear
Mostly clear, with a low around 46.
Sunday - 63°F
Dec 21, 2025
6 mph W
Sunny
Sunny, with a high near 63.
Sunday Night - 43°F
Dec 21, 2025
3 to 9 mph N
Mostly Clear
Mostly clear, with a low around 43.
Monday - 55°F
Dec 22, 2025
12 mph NE
Sunny
Sunny, with a high near 55.
Monday Night - 44°F
Dec 22, 2025
6 to 9 mph NE
Partly Cloudy
Partly cloudy, with a low around 44.
Tuesday - 61°F
Dec 23, 2025
7 mph E
Mostly Sunny
Mostly sunny, with a high near 61.
Tuesday Night - 48°F
Dec 23, 2025
5 mph SW
Mostly Clear
Mostly clear, with a low around 48.
Wednesday - 64°F
Dec 24, 2025
7 mph W
Sunny
Sunny, with a high near 64.

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