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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Overnight

      Overnight:WNW wind around 7 kt becoming N. Mostly cloudy. Seas 1 ft or less.

      WNW 7kt
      < 1ft

    • Friday

      Friday:NNE wind around 10 kt becoming E in the afternoon. Mostly sunny. Seas 1 ft or less.

      NNE 10kt
      < 1ft

    • Friday Night

      Friday Night:ESE wind around 6 kt becoming variable and less than 5 kt in the evening. Cloudy. Seas 1 ft or less.

      ESE 6kt⇓
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming SSW 5 to 9 kt in the afternoon. Showers, with thunderstorms also possible after 11am. Seas 1 ft or less.

      ⇑SSW 9kt
      < 1ft

    • Saturday Night

      Saturday Night:SSW wind around 6 kt becoming variable and less than 5 kt in the evening. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 5am, then a chance of showers after 5am. Seas 1 ft or less.

      SSW 6kt⇓
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming SSW 5 to 8 kt in the afternoon. Showers likely, with thunderstorms also possible after 11am. Seas 1 ft or less.

      ⇑SSW 8kt
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Monday

      Monday:W wind 5 to 9 kt. A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.

      W 9kt
      < 1ft

    • Monday Night

      Monday Night:NNE wind 6 to 11 kt. Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Seas 1 ft or less.

      NNE 11kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:33 pm EDT May 7, 2026
Forecast Valid: 12am EDT May 8, 2026-6pm EDT May 14, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING...

Overnight
WNW wind around 7 kt becoming N. Mostly cloudy. Seas 1 ft or less.
Friday
NNE wind around 10 kt becoming E in the afternoon. Mostly sunny. Seas 1 ft or less.
Friday Night
ESE wind around 6 kt becoming variable and less than 5 kt in the evening. Cloudy. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming SSW 5 to 9 kt in the afternoon. Showers, with thunderstorms also possible after 11am. Seas 1 ft or less.
Saturday Night
SSW wind around 6 kt becoming variable and less than 5 kt in the evening. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 5am, then a chance of showers after 5am. Seas 1 ft or less.
Sunday
Variable winds less than 5 kt becoming SSW 5 to 8 kt in the afternoon. Showers likely, with thunderstorms also possible after 11am. Seas 1 ft or less.
Sunday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.
Monday
W wind 5 to 9 kt. A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.
Monday Night
NNE wind 6 to 11 kt. Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Seas 1 ft or less.

*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: 8:33 pm EDT May 7, 2026
Forecast Valid: 12am EDT May 8, 2026-6pm EDT May 14, 2026
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