700 

WHUS74 KLCH 180438

MWWLCH



URGENT - MARINE WEATHER MESSAGE

National Weather Service Lake Charles LA

1138 PM CDT Sun May 17 2026



GMZ450-452-470-472-181900-

/O.EXT.KLCH.SC.Y.0023.000000T0000Z-260519T0900Z/

Coastal waters from Cameron LA to High Island TX out 20 NM-

Coastal waters from Intracoastal City to Cameron LA out 20 NM-

Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-

Coastal waters from Intracoastal City to Cameron LA from 20 to

60 NM-

1138 PM CDT Sun May 17 2026



...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM CDT TUESDAY...



* WHAT...Southeast winds to 20 kt with gusts up to 25 kt and seas

  4 to 7 ft.



* WHERE...Coastal waters from Cameron LA to High Island TX out 

  20 NM, Coastal waters from Intracoastal City to Cameron LA out 

  20 NM, Coastal waters from Cameron LA to High Island TX from 

  20 to 60 NM and Coastal waters from Intracoastal City to 

  Cameron LA from 20 to 60 NM.



* WHEN...Until 4 AM CDT Tuesday.



* IMPACTS...Conditions will be hazardous to small craft.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$






487 

WHUS74 KHGX 180459

MWWHGX



URGENT - MARINE WEATHER MESSAGE

National Weather Service Houston/Galveston TX

1159 PM CDT Sun May 17 2026



GMZ330-335-350-355-370-375-181300-

/O.EXT.KHGX.SC.Y.0027.000000T0000Z-260519T1400Z/

Matagorda Bay-Galveston Bay-

Coastal waters from Freeport to Matagorda Ship Channel TX out

20 NM-Coastal waters from High Island to Freeport TX out 20 NM-

Waters from Freeport to Matagorda Ship Channel TX from 20 to

60 NM-Waters from High Island to Freeport TX from 20 to 60 NM-

1159 PM CDT Sun May 17 2026



...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM CDT TUESDAY...



* WHAT...Southeast winds near 20 kt with gusts up to 30 kt and 

  seas 5 to 8 ft.



* WHERE...Galveston Bay, Matagorda Bay, and the adjacent Gulf 

  waters.



* WHEN...Until 9 AM CDT Tuesday.



* IMPACTS...Conditions will be hazardous to small craft.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$