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Charleston Harbor MR

[NOTICE]

Last Update: 2:35 am EDT May 13, 2026
Forecast Valid: 3am EDT May 13, 2026-6pm EDT May 19, 2026

Wednesday

ENE wind around 9 kt. A slight chance of showers between 11am and 3pm. Seas 1 ft or less.

Wednesday Night

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

Thursday

NW wind 7 to 9 kt. Sunny. Seas 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Clear. Seas 1 ft or less.

Friday

NNE wind 6 to 8 kt becoming SE in the afternoon. Sunny. Seas 1 ft or less.

Friday Night

S wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

Saturday

Variable winds less than 5 kt becoming S 6 to 11 kt in the morning. Sunny. Seas 1 ft or less.

Saturday Night

S wind 5 to 8 kt. Partly cloudy. Seas 1 ft or less.

Sunday

Variable winds less than 5 kt becoming SSE 5 to 10 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

*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.