Marine Thunderstorm Wind — Charleston Harbor, Atlantic South
2025-06-25 · near Fort Sumter, Charleston Harbor, Atlantic South
45 MG
Magnitude
Event narrative
The Capers Nearshore Buoy measured a wind gust of 45 knots.
Wider weather episode
Showers and thunderstorms congealing north-northwest of the region eventually tracked south into the local area, encountering a highly unstable airmass displaying large downdraft CAPE and strong mid-level lapse rates, leading to severe thunderstorms capable of producing damaging wind gusts across coastal waters.
View location on OpenStreetMap → (32.8000, -79.6200)
Source: NOAA Storm Events Database, event_id 1279628. Narrative written by the NWS forecast office that issued the report.