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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:SE wind around 7 kt. Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms after 3pm. Seas 1 ft or less.

      SE 7kt
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Showers and possibly a thunderstorm. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming NNE 5 to 8 kt in the afternoon. Showers and possibly a thunderstorm. Seas 1 ft or less.

      ⇑NNE 8kt
      < 1ft

    • Monday Night

      Monday Night:NE wind 13 to 15 kt. Showers likely, mainly before 8pm. Seas 1 ft or less.

      NE 15kt
      < 1ft

    • Tuesday

      Tuesday:NE wind 20 to 24 kt, with gusts as high as 30 kt. A chance of showers. Seas 1 ft or less.

      NE 24kt
      < 1ft

    • Tuesday Night

      Tuesday Night:NE wind 18 to 22 kt, with gusts as high as 28 kt. Mostly cloudy. Seas 1 ft or less.

      NE 22kt
      < 1ft

    • Wednesday

      Wednesday:NNE wind 15 to 18 kt, with gusts as high as 24 kt. A slight chance of showers. Seas 1 ft or less.

      NNE 18kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:21 pm EDT Oct 3, 2026
Forecast Valid: 2pm EDT Oct 3, 2026-6pm EDT Oct 9, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
SE wind around 7 kt. Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms after 3pm. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am. Seas 1 ft or less.
Sunday
Variable winds 5 kt or less. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Showers and possibly a thunderstorm. Seas 1 ft or less.
Monday
Variable winds less than 5 kt becoming NNE 5 to 8 kt in the afternoon. Showers and possibly a thunderstorm. Seas 1 ft or less.
Monday Night
NE wind 13 to 15 kt. Showers likely, mainly before 8pm. Seas 1 ft or less.
Tuesday
NE wind 20 to 24 kt, with gusts as high as 30 kt. A chance of showers. Seas 1 ft or less.
Tuesday Night
NE wind 18 to 22 kt, with gusts as high as 28 kt. Mostly cloudy. Seas 1 ft or less.
Wednesday
NNE wind 15 to 18 kt, with gusts as high as 24 kt. A slight chance of showers. Seas 1 ft or less.

Winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 80 degrees.

*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: 32.76°N 79.9°W
Last Update: 2:21 pm EDT Oct 3, 2026
Forecast Valid: 2pm EDT Oct 3, 2026-6pm EDT Oct 9, 2026
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