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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:ESE wind around 9 kt. A chance of showers and thunderstorms, mainly after 4pm. Seas 1 ft or less.

      ESE 9kt
      < 1ft

    • Tonight

      Tonight:ESE wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms, mainly after 2am. Seas 1 ft or less.

      ESE 6kt⇓
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming SSE 5 to 8 kt in the afternoon. A chance of showers and thunderstorms, mainly between 7am and 5pm. Seas 1 ft or less.

      ⇑SSE 8kt
      < 1ft

    • Wednesday Night

      Wednesday Night:S wind around 6 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms, mainly after midnight. Seas 1 ft or less.

      S 6kt⇓
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming S 5 to 10 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.

      ⇑S 10kt
      < 1ft

    • Thursday Night

      Thursday Night:SSW wind 7 to 9 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.

      SSW 9kt
      < 1ft

    • Friday

      Friday:SSW wind 5 to 8 kt increasing to 8 to 11 kt in the afternoon. Showers likely and possibly a thunderstorm 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.

      ⇑SSW 11kt
      < 1ft

    • Friday Night

      Friday Night:S wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Showers and possibly a thunderstorm. Seas 1 ft or less.

      S 7kt⇓
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

      ⇑SSE 6kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:30 pm EDT Aug 25, 2026
Forecast Valid: 3pm EDT Aug 25, 2026-6pm EDT Sep 1, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
ESE wind around 9 kt. A chance of showers and thunderstorms, mainly after 4pm. Seas 1 ft or less.
Tonight
ESE wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms, mainly after 2am. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming SSE 5 to 8 kt in the afternoon. A chance of showers and thunderstorms, mainly between 7am and 5pm. Seas 1 ft or less.
Wednesday Night
S wind around 6 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms, mainly after midnight. Seas 1 ft or less.
Thursday
Variable winds less than 5 kt becoming S 5 to 10 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.
Thursday Night
SSW wind 7 to 9 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.
Friday
SSW wind 5 to 8 kt increasing to 8 to 11 kt in the afternoon. Showers likely and possibly a thunderstorm 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.
Friday Night
S wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Showers and possibly a thunderstorm. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. Showers likely and possibly a thunderstorm. 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 88 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: 2:30 pm EDT Aug 25, 2026
Forecast Valid: 3pm EDT Aug 25, 2026-6pm EDT Sep 1, 2026
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