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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:E wind around 16 kt, with gusts as high as 23 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

      E 16kt
      < 1ft

    • Tonight

      Tonight:ESE wind 7 to 12 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Seas 1 ft or less.

      ESE 12kt
      < 1ft

    • Monday

      Monday:E wind 5 to 9 kt becoming NNE in the afternoon. Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Seas 1 ft or less.

      NNE 9kt
      < 1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. A chance of showers and thunderstorms, then showers likely after 2am. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:NE wind 7 to 10 kt increasing to 11 to 14 kt in the afternoon. Winds could gust as high as 20 kt. Showers likely, with thunderstorms also possible after 11am. Seas 1 ft or less.

      ⇑NE 14kt
      < 1ft

    • Tuesday Night

      Tuesday Night:NE wind around 14 kt, with gusts as high as 20 kt. A chance of showers, mainly before 2am. Seas 1 ft or less.

      NE 14kt
      < 1ft

    • Wednesday

      Wednesday:NNE wind around 14 kt, with gusts as high as 21 kt. A slight chance of showers before 8am. Seas 1 ft or less.

      NNE 14kt
      < 1ft

    • Wednesday Night

      Wednesday Night:ENE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

      ENE 8kt⇓
      < 1ft

    • Thursday

      Thursday:N wind 5 to 10 kt becoming ESE in the afternoon. Sunny. Seas 1 ft or less.

      ESE 10kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:35 pm EDT May 31, 2026
Forecast Valid: 3pm EDT May 31, 2026-6pm EDT Jun 7, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
E wind around 16 kt, with gusts as high as 23 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Tonight
ESE wind 7 to 12 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Seas 1 ft or less.
Monday
E wind 5 to 9 kt becoming NNE in the afternoon. Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Seas 1 ft or less.
Monday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms, then showers likely after 2am. Seas 1 ft or less.
Tuesday
NE wind 7 to 10 kt increasing to 11 to 14 kt in the afternoon. Winds could gust as high as 20 kt. Showers likely, with thunderstorms also possible after 11am. Seas 1 ft or less.
Tuesday Night
NE wind around 14 kt, with gusts as high as 20 kt. A chance of showers, mainly before 2am. Seas 1 ft or less.
Wednesday
NNE wind around 14 kt, with gusts as high as 21 kt. A slight chance of showers before 8am. Seas 1 ft or less.
Wednesday Night
ENE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.
Thursday
N wind 5 to 10 kt becoming ESE in the afternoon. 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.
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ABOUT THIS FORECAST

Point Forecast: 32.76°N 79.9°W
Last Update: 2:35 pm EDT May 31, 2026
Forecast Valid: 3pm EDT May 31, 2026-6pm EDT Jun 7, 2026
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