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Charleston Harbor MR

[NOTICE]

Last Update: 8:31 am EDT Apr 17, 2026
Forecast Valid: 1pm EDT Apr 17, 2026-6pm EDT Apr 23, 2026

This Afternoon

SSW wind 6 to 8 kt. Sunny. Seas 1 ft or less.

Tonight

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

Saturday

S wind 5 to 10 kt. Sunny. Seas 1 ft or less.

Saturday Night

S wind around 9 kt. Mostly cloudy. Seas 1 ft or less.

Sunday

SW wind 8 to 13 kt becoming W in the afternoon. A slight chance of showers after 2pm. Seas 1 ft or less.

Sunday Night

NNE wind around 13 kt. A slight chance of showers before 8pm. Seas 1 ft or less.

Monday

NNE wind 9 to 14 kt becoming ENE in the afternoon. Sunny. Seas 1 ft or less.

Monday Night

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

Tuesday

NNE wind around 8 kt becoming E in the afternoon. 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.