Marine Thunderstorm Wind — Fernandina Beach To St Augustine Fl Out 20nm, Atlantic South
2025-07-09 · near Sauf1 Cman, Fernandina Beach To St Augustine Fl Out 20nm, Atlantic South
40 MG
Magnitude
Event narrative
The mesonet site in the City of St. Augustine measured a wind gust of 46 mph.
Wider weather episode
An upper level low and high moisture content fueled widespread, slow-moving storms across the local area. More diurnal instability developed along the Atlantic coast sea breezes where a few stronger storms with wet downburst winds developed in the afternoon.
View location on OpenStreetMap → (29.8900, -81.3100)
Source: NOAA Storm Events Database, event_id 1274452. Narrative written by the NWS forecast office that issued the report.