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Hazardous Weather Conditions

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Charleston, SC Local Forecast Office

4NM N Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:SSW wind around 7 kt. A slight chance of showers after 4am. Seas 1 ft or less.

      SSW 7kt
      < 1ft

    • Sunday

      Sunday:W wind 6 to 9 kt becoming WNW 9 to 12 kt in the afternoon. Winds could gust as high as 23 kt. Cloudy through mid morning, then gradual clearing. Seas 1 ft or less.

      ⇑WNW 12kt
      < 1ft

    • Sunday Night

      Sunday Night:N wind 6 to 9 kt. Mostly clear. Seas 1 ft or less.

      N 9kt
      < 1ft

    • Monday

      Monday:N wind around 6 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

      N 6kt⇓
      < 1ft

    • Monday Night

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

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming WSW 5 to 7 kt in the morning. A chance of showers. Seas 1 ft or less.

      ⇑WSW 7kt
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. A slight chance of showers. Seas 1 ft or less.

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:30 pm EST Jan 10, 2026
Forecast Valid: 4pm EST Jan 10, 2026-6pm EST Jan 17, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH

Tonight
SSW wind around 7 kt. A slight chance of showers after 4am. Seas 1 ft or less.
Sunday
W wind 6 to 9 kt becoming WNW 9 to 12 kt in the afternoon. Winds could gust as high as 23 kt. Cloudy through mid morning, then gradual clearing. Seas 1 ft or less.
Sunday Night
N wind 6 to 9 kt. Mostly clear. Seas 1 ft or less.
Monday
N wind around 6 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Monday Night
Variable winds 5 kt or less. Partly cloudy. 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. Partly cloudy. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming WSW 5 to 7 kt in the morning. A chance of showers. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. A slight chance of showers. 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: 32.83°N 79.89°W
Last Update: 1:30 pm EST Jan 10, 2026
Forecast Valid: 4pm EST Jan 10, 2026-6pm EST Jan 17, 2026
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