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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Today

      Today:NNE wind around 12 kt becoming ENE in the afternoon. Mostly cloudy early, then gradual clearing. Seas 1 ft or less.

      NNE 12kt
      < 1ft

    • Tonight

      Tonight:ENE wind 6 to 10 kt. Partly cloudy. Seas 1 ft or less.

      ENE 10kt
      < 1ft

    • Tuesday

      Tuesday:NE wind 5 to 7 kt becoming ESE in the afternoon. Mostly sunny. Seas 1 ft or less.

      ESE 7kt
      < 1ft

    • Tuesday Night

      Tuesday Night:S wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Seas 1 ft or less.

      S 6kt⇓
      < 1ft

    • Wednesday

      Wednesday:SSW wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      ⇑SSW 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SSW wind 8 to 11 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

      SSW 11kt
      < 1ft

    • Thursday

      Thursday:NW wind around 8 kt. A chance of showers, mainly before 2pm. Seas 1 ft or less.

      NW 8kt
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds less than 5 kt becoming N around 6 kt after midnight. A slight chance of showers. Seas 1 ft or less.

      ⇑N 6kt
      < 1ft

    • Friday

      Friday:NNE wind 6 to 9 kt becoming E in the afternoon. A slight chance of showers. Seas 1 ft or less.

      NNE 9kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:30 am EDT Apr 27, 2026
Forecast Valid: 10am EDT Apr 27, 2026-6pm EDT May 3, 2026

View Nearby Observations

Detailed Forecast


Today
NNE wind around 12 kt becoming ENE in the afternoon. Mostly cloudy early, then gradual clearing. Seas 1 ft or less.
Tonight
ENE wind 6 to 10 kt. Partly cloudy. Seas 1 ft or less.
Tuesday
NE wind 5 to 7 kt becoming ESE in the afternoon. Mostly sunny. Seas 1 ft or less.
Tuesday Night
S wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Seas 1 ft or less.
Wednesday
SSW wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Wednesday Night
SSW wind 8 to 11 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Thursday
NW wind around 8 kt. A chance of showers, mainly before 2pm. Seas 1 ft or less.
Thursday Night
Variable winds less than 5 kt becoming N around 6 kt after midnight. A slight chance of showers. Seas 1 ft or less.
Friday
NNE wind 6 to 9 kt becoming E in the afternoon. A slight chance of showers. 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: 8:30 am EDT Apr 27, 2026
Forecast Valid: 10am EDT Apr 27, 2026-6pm EDT May 3, 2026
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