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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:Variable winds less than 5 kt becoming N 5 to 8 kt after midnight. Mostly cloudy. Seas 1 ft or less.

      ⇑N 8kt
      < 1ft

    • Monday

      Monday:NNE wind around 12 kt becoming ENE in the afternoon. A slight chance of showers after 3pm.   Seas 1 ft or less.

      NE 12kt
      < 1ft

    • Monday Night

      Monday Night:NE wind 7 to 11 kt becoming SSE after midnight. Showers, with thunderstorms also possible after 4am.   Seas 1 ft or less.

      NE 11kt
      < 1ft

    • Tuesday

      Tuesday:SSW wind 10 to 13 kt becoming W in the afternoon. Showers and possibly a thunderstorm before 1pm, then a chance of showers.   Seas 1 ft or less.

      SW 13kt
      < 1ft

    • Tuesday Night

      Tuesday Night:WNW wind around 9 kt becoming N after midnight. A slight chance of showers before 1am.   Seas 1 ft or less.

      NNW 9kt
      < 1ft

    • Wednesday

      Wednesday:NNE wind 5 to 9 kt. Sunny. Seas 1 ft or less.

      NNE 9kt
      < 1ft

    • Wednesday Night

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

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming W around 6 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

      ⇑W 6kt
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds less than 5 kt becoming NNE 5 to 7 kt after midnight. Mostly cloudy. Seas 1 ft or less.

      ⇑NNE 7kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 7:32 pm EST Nov 30, 2025
Forecast Valid: 7pm EST Nov 30, 2025-6pm EST Dec 7, 2025

View Nearby Observations

Detailed Forecast


Tonight
Variable winds less than 5 kt becoming N 5 to 8 kt after midnight. Mostly cloudy. Seas 1 ft or less.
Monday
NNE wind around 12 kt becoming ENE in the afternoon. A slight chance of showers after 3pm. Seas 1 ft or less.
Monday Night
NE wind 7 to 11 kt becoming SSE after midnight. Showers, with thunderstorms also possible after 4am. Seas 1 ft or less.
Tuesday
SSW wind 10 to 13 kt becoming W in the afternoon. Showers and possibly a thunderstorm before 1pm, then a chance of showers. Seas 1 ft or less.
Tuesday Night
WNW wind around 9 kt becoming N after midnight. A slight chance of showers before 1am. Seas 1 ft or less.
Wednesday
NNE wind 5 to 9 kt. Sunny. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Thursday
Variable winds less than 5 kt becoming W around 6 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Thursday Night
Variable winds less than 5 kt becoming NNE 5 to 7 kt after midnight. 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 60 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: 7:32 pm EST Nov 30, 2025
Forecast Valid: 7pm EST Nov 30, 2025-6pm EST Dec 7, 2025
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