Marine Thunderstorm Wind — Charleston Harbor, Atlantic South
2025-08-01 · near The Charleston Battery, Charleston Harbor, Atlantic South
38 MG
Magnitude
Event narrative
The Weatherflow sensor at Shutes Folly measured wind gusts of at least 34 knots between 932 PM and 942 PM with a peak wind gust of 38 knots at 937 PM.
Wider weather episode
A weak warm front passing across the area encountered deep moisture, warm temperatures and large downdraft CAPE, favoring strong to severe thunderstorms across coastal waters.
View location on OpenStreetMap → (32.7732, -79.9055)
Source: NOAA Storm Events Database, event_id 1291065. Narrative written by the NWS forecast office that issued the report.