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Charleston Harbor MR

[NOTICE]

Last Update: 8:30 pm EDT Jun 23, 2026
Forecast Valid: 1am EDT Jun 24, 2026-6pm EDT Jun 30, 2026

Wednesday

NNE wind 8 to 11 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.

Wednesday Night

ESE wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.

Thursday

Variable winds less than 5 kt becoming ESE 5 to 9 kt in the afternoon. Sunny. Seas 1 ft or less.

Thursday Night

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

Friday

Variable winds less than 5 kt becoming S 7 to 12 kt in the morning. Mostly sunny. Seas 1 ft or less.

Friday Night

SSW wind around 10 kt. Partly cloudy. Seas 1 ft or less.

Saturday

WSW wind 8 to 11 kt increasing to 11 to 14 kt in the afternoon. Winds could gust as high as 20 kt. Sunny. Seas 1 ft or less.

Saturday Night

SW wind 8 to 12 kt. Mostly clear. Seas 1 ft or less.

Sunday

W wind 6 to 10 kt becoming SSW in the afternoon. A slight chance of showers and thunderstorms 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 84 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.