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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NE wind 17 to 21 kt, with gusts as high as 28 kt. Mostly sunny. Seas 1 ft or less.

      NE 21kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:NNE wind 14 to 17 kt, with gusts as high as 25 kt. Mostly clear. Seas 1 ft or less.

      NNE 17kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday

      Sunday:NNE wind 15 to 18 kt increasing to 19 to 22 kt in the afternoon. Winds could gust as high as 32 kt. Increasing clouds. Seas 1 ft or less.

      ⇑NNE 22kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday Night

      Sunday Night:NE wind 13 to 18 kt, with gusts as high as 28 kt. Partly cloudy. Seas 1 ft or less.

      NE 18kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday

      Monday:NE wind around 13 kt, with gusts as high as 20 kt. Sunny. Seas 1 ft or less.

      NE 13kt
      < 1ft

    • Monday Night

      Monday Night:NNE wind around 8 kt. Mostly clear. Seas 1 ft or less.

      NNE 8kt
      < 1ft

    • Tuesday

      Tuesday:NNE wind 8 to 11 kt. Sunny. Seas 1 ft or less.

      NNE 11kt
      < 1ft

    • Tuesday Night

      Tuesday Night:NE wind 7 to 9 kt. Mostly clear. Seas 1 ft or less.

      NE 9kt
      < 1ft

    • Wednesday

      Wednesday:NE wind 11 to 14 kt increasing to 14 to 17 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

      ⇑NE 17kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:30 am EDT Oct 24, 2026
Forecast Valid: 12pm EDT Oct 24, 2026-6pm EDT Oct 30, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

This Afternoon
NE wind 17 to 21 kt, with gusts as high as 28 kt. Mostly sunny. Seas 1 ft or less.
Tonight
NNE wind 14 to 17 kt, with gusts as high as 25 kt. Mostly clear. Seas 1 ft or less.
Sunday
NNE wind 15 to 18 kt increasing to 19 to 22 kt in the afternoon. Winds could gust as high as 32 kt. Increasing clouds. Seas 1 ft or less.
Sunday Night
NE wind 13 to 18 kt, with gusts as high as 28 kt. Partly cloudy. Seas 1 ft or less.
Monday
NE wind around 13 kt, with gusts as high as 20 kt. Sunny. Seas 1 ft or less.
Monday Night
NNE wind around 8 kt. Mostly clear. Seas 1 ft or less.
Tuesday
NNE wind 8 to 11 kt. Sunny. Seas 1 ft or less.
Tuesday Night
NE wind 7 to 9 kt. Mostly clear. Seas 1 ft or less.
Wednesday
NE wind 11 to 14 kt increasing to 14 to 17 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 69 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: 8:30 am EDT Oct 24, 2026
Forecast Valid: 12pm EDT Oct 24, 2026-6pm EDT Oct 30, 2026
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