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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Point Forecast

[NOTICE]

    • Today

      Today:Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming ESE 5 to 7 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑ESE 7kt
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming E 5 to 9 kt in the morning. Sunny. Seas 1 ft or less.

      ⇑E 9kt
      < 1ft

    • Wednesday Night

      Wednesday Night:E wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

      E 6kt⇓
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming E 5 to 9 kt in the morning. Sunny. Seas 1 ft or less.

      ⇑E 9kt
      < 1ft

    • Thursday Night

      Thursday Night:E wind around 6 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Seas 1 ft or less.

      E 6kt⇓
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SE 5 to 7 kt in the afternoon. A chance of showers, with thunderstorms also possible after 2pm. Seas 1 ft or less.

      ⇑SE 7kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:40 am EDT Sep 28, 2026
Forecast Valid: 7am EDT Sep 28, 2026-6pm EDT Oct 4, 2026

View Nearby Observations

Detailed Forecast


Today
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming ESE 5 to 7 kt in the afternoon. Sunny. Seas 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming E 5 to 9 kt in the morning. Sunny. Seas 1 ft or less.
Wednesday Night
E wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.
Thursday
Variable winds less than 5 kt becoming E 5 to 9 kt in the morning. Sunny. Seas 1 ft or less.
Thursday Night
E wind around 6 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Seas 1 ft or less.
Friday
Variable winds less than 5 kt becoming SE 5 to 7 kt in the afternoon. A chance of showers, with thunderstorms also possible after 2pm. 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 77 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: 32.76°N 79.9°W
Last Update: 2:40 am EDT Sep 28, 2026
Forecast Valid: 7am EDT Sep 28, 2026-6pm EDT Oct 4, 2026
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