Marine Thunderstorm Wind — Charleston Harbor, Atlantic South
2025-06-25 · near The Charleston Battery, Charleston Harbor, Atlantic South
46 MG
Magnitude
Event narrative
The Weatherflow sensor at Shutes Folly measured wind gusts of at least 34 knots between 757 PM and 827 PM with a peak wind gust of 46 knots at 802 PM.
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 → (32.7732, -79.9055)
Source: NOAA Storm Events Database, event_id 1279624. Narrative written by the NWS forecast office that issued the report.