National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

For More Weather Information:

Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Saturday

      Saturday:N wind 8 to 11 kt increasing to 13 to 16 kt in the afternoon. Winds could gust as high as 23 kt. Showers and possibly a thunderstorm before 2pm, then showers likely. Seas 1 ft or less.

      ⇑N 16kt
      < 1ft

    • Saturday Night

      Saturday Night:NNW wind 9 to 13 kt. A chance of showers, mainly before 7pm. Seas 1 ft or less.

      NNW 13kt
      < 1ft

    • Sunday

      Sunday:N wind 8 to 10 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.

      E 10kt
      < 1ft

    • Sunday Night

      Sunday Night:S wind 6 to 9 kt. Mostly clear. Seas 1 ft or less.

      S 9kt
      < 1ft

    • Monday

      Monday:SW wind 6 to 9 kt becoming S 9 to 12 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑S 12kt
      < 1ft

    • Monday Night

      Monday Night:S wind 8 to 10 kt. Partly cloudy. Seas 1 ft or less.

      S 10kt
      < 1ft

    • Tuesday

      Tuesday:SSE wind 6 to 9 kt increasing to 10 to 13 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑SSE 13kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSE wind around 7 kt. Mostly clear. Seas 1 ft or less.

      SSE 7kt
      < 1ft

    • Wednesday

      Wednesday:S wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

      ⇑S 12kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:40 am EDT May 2, 2026
Forecast Valid: 3am EDT May 2, 2026-6pm EDT May 8, 2026

View Nearby Observations

Detailed Forecast


Saturday
N wind 8 to 11 kt increasing to 13 to 16 kt in the afternoon. Winds could gust as high as 23 kt. Showers and possibly a thunderstorm before 2pm, then showers likely. Seas 1 ft or less.
Saturday Night
NNW wind 9 to 13 kt. A chance of showers, mainly before 7pm. Seas 1 ft or less.
Sunday
N wind 8 to 10 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.
Sunday Night
S wind 6 to 9 kt. Mostly clear. Seas 1 ft or less.
Monday
SW wind 6 to 9 kt becoming S 9 to 12 kt in the afternoon. Sunny. Seas 1 ft or less.
Monday Night
S wind 8 to 10 kt. Partly cloudy. Seas 1 ft or less.
Tuesday
SSE wind 6 to 9 kt increasing to 10 to 13 kt in the afternoon. Sunny. Seas 1 ft or less.
Tuesday Night
SSE wind around 7 kt. Mostly clear. Seas 1 ft or less.
Wednesday
S wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. Mostly sunny. 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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

Point Forecast: 32.76°N 79.9°W
Last Update: 2:40 am EDT May 2, 2026
Forecast Valid: 3am EDT May 2, 2026-6pm EDT May 8, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data