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Hazardous Weather Conditions

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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Today

      Today:ENE wind 7 to 10 kt becoming ESE in the afternoon. Showers and thunderstorms likely, mainly before 4pm. Seas 1 ft or less.

      ESE 10kt
      < 1ft

    • Tonight

      Tonight:S wind 7 to 10 kt increasing to 11 to 14 kt after midnight. Winds could gust as high as 20 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Seas 1 ft or less.

      ⇑S 14kt
      < 1ft

    • Monday

      Monday:SSW wind 16 to 19 kt increasing to 19 to 22 kt in the afternoon. Winds could gust as high as 28 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

      ⇑SSW 22kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday Night

      Monday Night:WNW wind 17 to 19 kt. A slight chance of showers before 2am. Seas 1 ft or less.

      WNW 19kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:NW wind 10 to 13 kt. Mostly sunny. Seas 1 ft or less.

      NW 13kt
      < 1ft

    • Tuesday Night

      Tuesday Night:NW wind around 6 kt becoming N after midnight. Mostly cloudy. Seas 1 ft or less.

      NW 6kt
      < 1ft

    • Wednesday

      Wednesday:NE wind around 9 kt. Mostly sunny. Seas 1 ft or less.

      NE 9kt
      < 1ft

    • Wednesday Night

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

      Light Wind
      < 1ft

    • Thursday

      Thursday:NNE wind around 6 kt. Mostly sunny. Seas 1 ft or less.

      NNE 6kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 7:27 am EDT Mar 15, 2026
Forecast Valid: 8am EDT Mar 15, 2026-6pm EDT Mar 21, 2026

View Nearby Observations

Detailed Forecast

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

Today
ENE wind 7 to 10 kt becoming ESE in the afternoon. Showers and thunderstorms likely, mainly before 4pm. Seas 1 ft or less.
Tonight
S wind 7 to 10 kt increasing to 11 to 14 kt after midnight. Winds could gust as high as 20 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Seas 1 ft or less.
Monday
SSW wind 16 to 19 kt increasing to 19 to 22 kt in the afternoon. Winds could gust as high as 28 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.
Monday Night
WNW wind 17 to 19 kt. A slight chance of showers before 2am. Seas 1 ft or less.
Tuesday
NW wind 10 to 13 kt. Mostly sunny. Seas 1 ft or less.
Tuesday Night
NW wind around 6 kt becoming N after midnight. Mostly cloudy. Seas 1 ft or less.
Wednesday
NE wind around 9 kt. Mostly sunny. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Thursday
NNE wind around 6 kt. Mostly 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: 7:27 am EDT Mar 15, 2026
Forecast Valid: 8am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
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