Marine Thunderstorm Wind — Charleston Harbor, Atlantic South
2025-07-09 · near Fort Sumter, Charleston Harbor, Atlantic South
35 MG
Magnitude
Event narrative
The Weatherflow site at Fort Sumter measured a 35 knot wind gust.
Wider weather episode
Numerous thunderstorm clusters developed inland across portions of southeast Georgia and southeast South Carolina in the afternoon hours. These storms progressed to the coast and spread out across the Atlantic coastal waters into the evening producing strong wind gusts.
View location on OpenStreetMap → (32.7512, -79.8707)
Source: NOAA Storm Events Database, event_id 1286234. Narrative written by the NWS forecast office that issued the report.