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Charleston, SC Local Forecast Office

3NM NNW Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Thursday

      Thursday:Variable winds less than 5 kt becoming S 5 to 7 kt in the afternoon. Patchy fog before 9am. Seas 1 ft or less.

      ⇑S 7kt
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Increasing clouds. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SW 5 to 8 kt in the morning. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Seas 1 ft or less.

      ⇑SW 8kt
      < 1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Showers likely, mainly before 7pm. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Saturday

      Saturday:N wind 5 to 7 kt. Mostly sunny. Seas 1 ft or less.

      N 7kt
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Sunday

      Sunday:NNE wind around 6 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas 1 ft or less.

      NNE 6kt⇓
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Monday

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

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:30 am EST Nov 5, 2026
Forecast Valid: 2am EST Nov 5, 2026-6pm EST Nov 11, 2026

View Nearby Observations

Detailed Forecast


Thursday
Variable winds less than 5 kt becoming S 5 to 7 kt in the afternoon. Patchy fog before 9am. Seas 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Increasing clouds. Seas 1 ft or less.
Friday
Variable winds less than 5 kt becoming SW 5 to 8 kt in the morning. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Seas 1 ft or less.
Friday Night
Variable winds 5 kt or less. Showers likely, mainly before 7pm. Seas 1 ft or less.
Saturday
N wind 5 to 7 kt. Mostly sunny. Seas 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Sunday
NNE wind around 6 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Monday
Variable winds 5 kt or less. Mostly 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 70 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: 32.81°N 79.92°W
Last Update: 1:30 am EST Nov 5, 2026
Forecast Valid: 2am EST Nov 5, 2026-6pm EST Nov 11, 2026
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