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Charleston Harbor MR

[NOTICE]

Last Update: 2:36 pm EDT Mar 25, 2026
Forecast Valid: 6pm EDT Mar 25, 2026-6pm EDT Apr 1, 2026

Tonight

ENE wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Seas 1 ft or less.

Thursday

Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. Partly sunny, then gradually becoming sunny. Seas 1 ft or less.

Thursday Night

S wind around 6 kt. Mostly clear. Seas 1 ft or less.

Friday

SW wind 6 to 11 kt. Sunny. Seas 1 ft or less.

Friday Night

SSW wind 10 to 12 kt becoming W after midnight. Partly cloudy. Seas 1 ft or less.

Saturday

NE wind 16 to 21 kt, with gusts as high as 30 kt. Mostly sunny. Seas 1 ft or less.

Saturday Night

NE wind around 12 kt. Mostly clear. Seas 1 ft or less.

Sunday

ENE wind around 13 kt. Sunny. Seas 1 ft or less.

Sunday Night

ENE wind 5 to 8 kt. Mostly clear. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 61 degrees.

*Notices:

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.
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.