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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Sunday

      Sunday:S wind 12 to 15 kt becoming WSW in the afternoon. Winds could gust as high as 23 kt. Showers and thunderstorms likely, mainly before noon. Seas 1 ft or less.

      SW 15kt
      < 1ft

    • Sunday Night

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

      W 10kt
      < 1ft

    • Columbus Day

      Columbus Day:W wind around 9 kt becoming NW in the afternoon. Sunny. Seas 1 ft or less.

      W 9kt
      < 1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Clear. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Clear. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑SE 6kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:40 am EDT Oct 11, 2026
Forecast Valid: 2am EDT Oct 11, 2026-6pm EDT Oct 17, 2026

View Nearby Observations

Detailed Forecast


Sunday
S wind 12 to 15 kt becoming WSW in the afternoon. Winds could gust as high as 23 kt. Showers and thunderstorms likely, mainly before noon. Seas 1 ft or less.
Sunday Night
W wind around 10 kt. Mostly clear. Seas 1 ft or less.
Columbus Day
W wind around 9 kt becoming NW in the afternoon. Sunny. Seas 1 ft or less.
Monday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Tuesday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Clear. Seas 1 ft or less.
Wednesday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Clear. Seas 1 ft or less.
Thursday
Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. Sunny. 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 76 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: 2:40 am EDT Oct 11, 2026
Forecast Valid: 2am EDT Oct 11, 2026-6pm EDT Oct 17, 2026
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