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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:SE wind around 8 kt. Sunny. Seas 1 ft or less.

      SE 8kt
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

      ⇑S 9kt
      < 1ft

    • Saturday Night

      Saturday Night:S wind around 7 kt. Partly cloudy. Seas 1 ft or less.

      S 7kt
      < 1ft

    • Sunday

      Sunday:SSW wind 7 to 12 kt. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      SSW 12kt
      < 1ft

    • Sunday Night

      Sunday Night:SSW wind 5 to 8 kt becoming variable and less than 5 kt. A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Seas 1 ft or less.

      SSW 8kt⇓
      < 1ft

    • Monday

      Monday:NNE wind 11 to 15 kt becoming ENE in the afternoon. Winds could gust as high as 21 kt. A chance of showers before 8am. Seas 1 ft or less.

      NNE 15kt
      < 1ft

    • Monday Night

      Monday Night:NE wind around 6 kt. Cloudy. Seas 1 ft or less.

      NE 6kt
      < 1ft

    • Tuesday

      Tuesday:NE wind 7 to 11 kt. Mostly cloudy. Seas 1 ft or less.

      NE 11kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:50 pm EDT Apr 3, 2026
Forecast Valid: 3pm EDT Apr 3, 2026-6pm EDT Apr 10, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
SE wind around 8 kt. Sunny. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Saturday Night
S wind around 7 kt. Partly cloudy. Seas 1 ft or less.
Sunday
SSW wind 7 to 12 kt. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Sunday Night
SSW wind 5 to 8 kt becoming variable and less than 5 kt. A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Seas 1 ft or less.
Monday
NNE wind 11 to 15 kt becoming ENE in the afternoon. Winds could gust as high as 21 kt. A chance of showers before 8am. Seas 1 ft or less.
Monday Night
NE wind around 6 kt. Cloudy. Seas 1 ft or less.
Tuesday
NE wind 7 to 11 kt. Mostly cloudy. 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 66 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: 2:50 pm EDT Apr 3, 2026
Forecast Valid: 3pm EDT Apr 3, 2026-6pm EDT Apr 10, 2026
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