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Marine Thunderstorm Wind · Gulf of Mexico

Marine Thunderstorm Wind July 6, 2025 · Lake Ponchartrain and Lake Maurepas, Gulf of Mexico

39 mph

Measured gust (34 kt)

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Mesonet station XPTN Pontchartrain Causeway measured a gust of 34kt or 39mph.

The wider storm

Scattered thunderstorms developed over coastal waters and inland lakes on July 6, 2025. A gust of 39 mph (34 kt) was measured at the Pontchartrain Causeway during a thunderstorm over Lake Pontchartrain. Later in the afternoon, boaters observed two waterspouts between Bayou Caddy and Half Moon Island in the Mississippi Sound.

Began near Mid Mid Lake Pontchartrain Causeway - Xptn Weatherflow (30.2000, -90.1200).

Source: NOAA Storm Events Database, event 1286908. Narratives are written by the National Weather Service forecast office that issued the report.

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