Watches, Warnings & Advisories

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One product found for Marine Zone: GMZ552

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Special Marine Warning

Special Marine Warning
GMZ552-572-171330-
/O.NEW.KLIX.MA.W.0221.250717T1139Z-250717T1330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service New Orleans LA
639 AM CDT Thu Jul 17 2025

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...
  Coastal waters from the Southwest Pass of the Mississippi River to
  Port Fourchon Louisiana out 20 NM...

* Until 830 AM CDT.

* At 637 AM CDT, a cluster of severe thunderstorms capable of
  producing waterspouts was located 13 nm southeast of Louisiana
  Offshore Oil Port, or 23 nm southwest of Southwest Pass Of the
  Mississippi River, moving west at 10 knots.

  HAZARD...Waterspouts and wind gusts to 40 knots.

  SOURCE...Radar.

  IMPACT...Waterspouts can quickly form and capsize boats...damage
           vessels and oil rigs...and create suddenly higher waves.
           Small craft could be damaged in briefly higher winds and
           suddenly higher waves.

* The cluster of severe thunderstorms will remain over mainly open
  waters.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Strong winds will be dangerous for boaters or anyone near the water.
Boaters should avoid waterspouts and never try to navigate near them.
Make sure all on board are wearing life jackets. Seek shelter or move
to safe harbor until hazardous weather passes.

Frequent lightning is occurring with these storms. If caught on the
open water stay below deck if possible, keep away from ungrounded
metal objects.

&&

LAT...LON 2890 8958 2861 8961 2858 9007 2903 9000
TIME...MOT...LOC 1137Z 096DEG 9KT 2878 8979

WATERSPOUT...POSSIBLE
HAIL...0.00IN
WIND...40KTS

$$

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