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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:NE wind 9 to 12 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 21 kt. Cloudy. Seas 1 ft or less.

      ⇑NE 15kt
      < 1ft

    • Tonight

      Tonight:NE wind 13 to 16 kt increasing to 16 to 19 kt after midnight. Winds could gust as high as 26 kt. Cloudy during the early evening, then gradual clearing. Seas 1 ft or less.

      ⇑NE 19kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:NE wind 20 to 23 kt, with gusts as high as 33 kt. Mostly sunny. Seas 1 ft or less.

      NE 23kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday Night

      Wednesday Night:NE wind 17 to 20 kt, with gusts as high as 27 kt. A slight chance of showers after 2am. Seas 1 ft or less.

      NE 20kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday

      Thursday:NE wind around 19 kt, with gusts as high as 27 kt. A slight chance of showers. Seas 1 ft or less.

      NE 19kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday Night

      Thursday Night:NE wind 11 to 15 kt, with gusts as high as 21 kt. Partly cloudy. Seas 1 ft or less.

      NE 15kt
      < 1ft

    • Friday

      Friday:ENE wind around 12 kt. Sunny. Seas 1 ft or less.

      ENE 12kt
      < 1ft

    • Friday Night

      Friday Night:ENE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

      ENE 7kt⇓
      < 1ft

    • Saturday

      Saturday:N wind 5 to 8 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.

      E 8kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:40 am EDT Apr 7, 2026
Forecast Valid: 5am EDT Apr 7, 2026-6pm EDT Apr 13, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH

Today
NE wind 9 to 12 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 21 kt. Cloudy. Seas 1 ft or less.
Tonight
NE wind 13 to 16 kt increasing to 16 to 19 kt after midnight. Winds could gust as high as 26 kt. Cloudy during the early evening, then gradual clearing. Seas 1 ft or less.
Wednesday
NE wind 20 to 23 kt, with gusts as high as 33 kt. Mostly sunny. Seas 1 ft or less.
Wednesday Night
NE wind 17 to 20 kt, with gusts as high as 27 kt. A slight chance of showers after 2am. Seas 1 ft or less.
Thursday
NE wind around 19 kt, with gusts as high as 27 kt. A slight chance of showers. Seas 1 ft or less.
Thursday Night
NE wind 11 to 15 kt, with gusts as high as 21 kt. Partly cloudy. Seas 1 ft or less.
Friday
ENE wind around 12 kt. Sunny. Seas 1 ft or less.
Friday Night
ENE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.
Saturday
N wind 5 to 8 kt becoming E 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: 2:40 am EDT Apr 7, 2026
Forecast Valid: 5am EDT Apr 7, 2026-6pm EDT Apr 13, 2026
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