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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]
    • Today

      Today:SW wind 15 to 20 kt, with gusts as high as 26 kt. Mostly sunny. Seas 1 ft or less.

      SW 20kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:WSW wind 6 to 10 kt becoming NNW after midnight. Partly cloudy. Seas 1 ft or less.

      WSW 10kt
      < 1ft

    • Wednesday

      Wednesday:N wind 8 to 11 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.

      E 11kt
      < 1ft

    • Wednesday Night

      Wednesday Night:E wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.

      E 7kt⇓
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming ESE 5 to 10 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑ESE 10kt
      < 1ft

    • Thursday Night

      Thursday Night:SE wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.

      SE 7kt⇓
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming S 6 to 11 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑S 11kt
      < 1ft

    • Friday Night

      Friday Night:SW wind 8 to 10 kt. Mostly clear. Seas 1 ft or less.

      SW 10kt
      < 1ft

    • Saturday

      Saturday:WSW wind 7 to 10 kt increasing to 10 to 13 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑WSW 13kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:32 am EDT Jun 23, 2026
Forecast Valid: 8am EDT Jun 23, 2026-6pm EDT Jun 29, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING

Today
SW wind 15 to 20 kt, with gusts as high as 26 kt. Mostly sunny. Seas 1 ft or less.
Tonight
WSW wind 6 to 10 kt becoming NNW after midnight. Partly cloudy. Seas 1 ft or less.
Wednesday
N wind 8 to 11 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.
Wednesday Night
E wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.
Thursday
Variable winds less than 5 kt becoming ESE 5 to 10 kt in the afternoon. Sunny. Seas 1 ft or less.
Thursday Night
SE wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.
Friday
Variable winds less than 5 kt becoming S 6 to 11 kt in the afternoon. Sunny. Seas 1 ft or less.
Friday Night
SW wind 8 to 10 kt. Mostly clear. Seas 1 ft or less.
Saturday
WSW wind 7 to 10 kt increasing to 10 to 13 kt in the afternoon. Sunny. Seas 1 ft or less.

*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 Jun 23, 2026
Forecast Valid: 8am EDT Jun 23, 2026-6pm EDT Jun 29, 2026
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