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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:WSW wind around 9 kt. Sunny. Seas 1 ft or less.

      WSW 9kt
      < 1ft

    • Tonight

      Tonight:SW wind 5 to 7 kt becoming W after midnight. Partly cloudy. Seas 1 ft or less.

      SW 7kt
      < 1ft

    • Sunday

      Sunday:SW wind 6 to 10 kt. Sunny. Seas 1 ft or less.

      SW 10kt
      < 1ft

    • Sunday Night

      Sunday Night:WSW wind around 10 kt. Mostly clear. Seas 1 ft or less.

      WSW 10kt
      < 1ft

    • Monday

      Monday:WSW wind around 11 kt. A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Seas 1 ft or less.

      WSW 11kt
      < 1ft

    • Monday Night

      Monday Night:N wind 8 to 11 kt becoming NE 14 to 19 kt in the evening. A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Seas 1 ft or less.

      ⇑NE 19kt
      < 1ft

    • Tuesday

      Tuesday:NE wind 16 to 20 kt, with gusts as high as 27 kt. Partly sunny. Seas 1 ft or less.

      NE 20kt
      < 1ft

    • Tuesday Night

      Tuesday Night:ENE wind 6 to 11 kt. A slight chance of showers. Seas 1 ft or less.

      ENE 11kt
      < 1ft

    • Wednesday

      Wednesday:E wind around 7 kt. A slight chance of showers. Seas 1 ft or less.

      E 7kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:32 am EDT Mar 21, 2026
Forecast Valid: 1pm EDT Mar 21, 2026-6pm EDT Mar 27, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
WSW wind around 9 kt. Sunny. Seas 1 ft or less.
Tonight
SW wind 5 to 7 kt becoming W after midnight. Partly cloudy. Seas 1 ft or less.
Sunday
SW wind 6 to 10 kt. Sunny. Seas 1 ft or less.
Sunday Night
WSW wind around 10 kt. Mostly clear. Seas 1 ft or less.
Monday
WSW wind around 11 kt. A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Seas 1 ft or less.
Monday Night
N wind 8 to 11 kt becoming NE 14 to 19 kt in the evening. A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Seas 1 ft or less.
Tuesday
NE wind 16 to 20 kt, with gusts as high as 27 kt. Partly sunny. Seas 1 ft or less.
Tuesday Night
ENE wind 6 to 11 kt. A slight chance of showers. Seas 1 ft or less.
Wednesday
E wind around 7 kt. A slight chance of showers. 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: 8:32 am EDT Mar 21, 2026
Forecast Valid: 1pm EDT Mar 21, 2026-6pm EDT Mar 27, 2026
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