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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Sunday

      Sunday:Variable winds less than 5 kt becoming ENE 5 to 7 kt in the morning. A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Seas 1 ft or less.

      ⇑ENE 7kt
      < 1ft

    • Sunday Night

      Sunday Night:NE wind 6 to 9 kt increasing to 11 to 14 kt after midnight. Winds could gust as high as 20 kt. A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Seas 1 ft or less.

      ⇑NE 14kt
      < 1ft

    • Monday

      Monday:NNE wind 11 to 13 kt becoming ENE in the afternoon. Winds could gust as high as 20 kt. Mostly cloudy, then gradually becoming sunny. Seas 1 ft or less.

      NNE 13kt
      < 1ft

    • Monday Night

      Monday Night:ENE wind 6 to 10 kt. Mostly clear. Seas 1 ft or less.

      ENE 10kt
      < 1ft

    • Tuesday

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

      ESE 7kt
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. A slight chance of showers after 2am. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:SSW wind 6 to 9 kt increasing to 10 to 13 kt in the afternoon. A slight chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      ⇑SSW 13kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SSW wind 7 to 9 kt becoming W after midnight. A chance of showers and thunderstorms. Seas 1 ft or less.

      SSW 9kt
      < 1ft

    • Thursday

      Thursday:NNW wind around 8 kt. A chance of showers. Seas 1 ft or less.

      NNW 8kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:52 am EDT Apr 26, 2026
Forecast Valid: 4am EDT Apr 26, 2026-6pm EDT May 2, 2026

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Detailed Forecast


Sunday
Variable winds less than 5 kt becoming ENE 5 to 7 kt in the morning. A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Seas 1 ft or less.
Sunday Night
NE wind 6 to 9 kt increasing to 11 to 14 kt after midnight. Winds could gust as high as 20 kt. A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Seas 1 ft or less.
Monday
NNE wind 11 to 13 kt becoming ENE in the afternoon. Winds could gust as high as 20 kt. Mostly cloudy, then gradually becoming sunny. Seas 1 ft or less.
Monday Night
ENE wind 6 to 10 kt. Mostly clear. Seas 1 ft or less.
Tuesday
NE wind around 7 kt becoming ESE in the afternoon. Mostly sunny. Seas 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. A slight chance of showers after 2am. Seas 1 ft or less.
Wednesday
SSW wind 6 to 9 kt increasing to 10 to 13 kt in the afternoon. A slight chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Wednesday Night
SSW wind 7 to 9 kt becoming W after midnight. A chance of showers and thunderstorms. Seas 1 ft or less.
Thursday
NNW wind around 8 kt. A 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: 2:52 am EDT Apr 26, 2026
Forecast Valid: 4am EDT Apr 26, 2026-6pm EDT May 2, 2026
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