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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Sunday

      Sunday:Variable winds less than 5 kt becoming S 6 to 11 kt in the morning. Showers and thunderstorms likely before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Seas 1 ft or less.

      ⇑S 11kt
      < 1ft

    • Sunday Night

      Sunday Night:S wind 7 to 9 kt. A chance of showers and thunderstorms, mainly between 2am and 3am. Seas 1 ft or less.

      S 9kt
      < 1ft

    • Memorial Day

      Memorial Day:S wind 7 to 12 kt. A chance of showers and thunderstorms, mainly before 11am. Seas 1 ft or less.

      S 12kt
      < 1ft

    • Monday Night

      Monday Night:S wind around 8 kt. A chance of showers after 2am. Seas 1 ft or less.

      S 8kt
      < 1ft

    • Tuesday

      Tuesday:S wind 7 to 11 kt. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm. Seas 1 ft or less.

      S 11kt
      < 1ft

    • Tuesday Night

      Tuesday Night:S wind 6 to 8 kt. A slight chance of showers after 2am. Seas 1 ft or less.

      S 8kt
      < 1ft

    • Wednesday

      Wednesday:SSW wind 7 to 11 kt. A chance of showers and thunderstorms, mainly after 8am. Seas 1 ft or less.

      SSW 11kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SW wind 6 to 8 kt. A chance of showers and thunderstorms, mainly before 8pm. Seas 1 ft or less.

      SW 8kt
      < 1ft

    • Thursday

      Thursday:WSW wind 5 to 9 kt. A chance of showers and thunderstorms, mainly after 2pm. Seas 1 ft or less.

      WSW 9kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:36 am EDT May 24, 2026
Forecast Valid: 4am EDT May 24, 2026-6pm EDT May 30, 2026

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Detailed Forecast


Sunday
Variable winds less than 5 kt becoming S 6 to 11 kt in the morning. Showers and thunderstorms likely before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Seas 1 ft or less.
Sunday Night
S wind 7 to 9 kt. A chance of showers and thunderstorms, mainly between 2am and 3am. Seas 1 ft or less.
Memorial Day
S wind 7 to 12 kt. A chance of showers and thunderstorms, mainly before 11am. Seas 1 ft or less.
Monday Night
S wind around 8 kt. A chance of showers after 2am. Seas 1 ft or less.
Tuesday
S wind 7 to 11 kt. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm. Seas 1 ft or less.
Tuesday Night
S wind 6 to 8 kt. A slight chance of showers after 2am. Seas 1 ft or less.
Wednesday
SSW wind 7 to 11 kt. A chance of showers and thunderstorms, mainly after 8am. Seas 1 ft or less.
Wednesday Night
SW wind 6 to 8 kt. A chance of showers and thunderstorms, mainly before 8pm. Seas 1 ft or less.
Thursday
WSW wind 5 to 9 kt. A chance of showers and thunderstorms, mainly after 2pm. Seas 1 ft or less.

Winds and waves 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: 32.76°N 79.9°W
Last Update: 2:36 am EDT May 24, 2026
Forecast Valid: 4am EDT May 24, 2026-6pm EDT May 30, 2026
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