Marine Thunderstorm Wind — Mississippi Sound, Gulf of Mexico

2025-07-23 · near Ship Island - Xshi Weatherflow, Mississippi Sound, Gulf of Mexico

Event narrative

The Weatherflow mesonet on Ship Island XSHI measured a thunderstorm wind gust of 59 mph or 51 knots.

Wider weather episode

A weak surface boundary lingered across the northern Gulf on July 23, 2025, supporting scattered strong thunderstorms over the coastal waters and Mississippi Sound. Several marine observing sites measured strong wind gusts, including 40 mph at the Southwest Pass Pilot Station, 45 mph south of Sand Island, 43 mph at Petit Bois Island, and 53 mph at Keesler AFB. The strongest gust was 59 mph, measured by the Weatherflow mesonet on Ship Island.

View location on OpenStreetMap → (30.2300, -88.9800)

Source: NOAA Storm Events Database, event_id 1286931. Narrative written by the NWS forecast office that issued the report.