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Charleston Harbor MR

[NOTICE]

Last Update: 6:33 am EST Mar 3, 2026
Forecast Valid: 7am EST Mar 3, 2026-6pm EDT Mar 9, 2026

Today

NE wind around 11 kt becoming E in the afternoon. Cloudy through mid morning, then gradual clearing. Seas 1 ft or less.

Tonight

ENE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Seas 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming ESE 5 to 7 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Wednesday Night

SE wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

Thursday

Variable winds less than 5 kt becoming S 5 to 8 kt in the morning. Partly sunny. Seas 1 ft or less.

Thursday Night

SSE wind around 6 kt. Mostly cloudy. Seas 1 ft or less.

Friday

Variable winds less than 5 kt becoming S 5 to 8 kt in the morning. Partly sunny. Seas 1 ft or less.

Friday Night

SSE wind around 6 kt. Mostly cloudy. Seas 1 ft or less.

Saturday

Variable winds less than 5 kt becoming S 5 to 9 kt in the morning. Partly sunny. Seas 1 ft or less.

Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 55 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.