# Special Marine Warning: Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM — retained record

> Retained us-gov-api record from us-gov-api:noaa-weather.

Canonical: https://highsignal.app/data/records/a693c7651d039ec5

[← sources](https://highsignal.app/data)


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-07-21 02:08 ingested 2026-07-21 08:26

[original source ↗](http://www.weather.gov/)

## extract

Special Marine Warning — Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM
Severity: Severe. Certainty: Likely.
SMWLIX

The National Weather Service in New Orleans has issued a

* Special Marine Warning for...
Coastal waters from Southwest Pass of the Mississippi River to Port
Fourchon Louisiana from 20 to 60 NM...

* Until 345 AM CDT.

* At 208 AM CDT, a severe thunderstorm was located 36 nm south of
Louisiana Offshore Oil Port, or 44 nm southwest of Southwest Pass
Of the Mississippi River, moving south at 15 knots.

HAZARD...Wind gusts 34 knots or greater.

SOURCE...Radar.

IMPACT...Small craft could be damaged in briefly higher winds and
suddenly higher waves.

* The severe thunderstorm will remain over mainly open waters.

## retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.