Marine Weather Message
Issued by NWS Houston/Galveston, TX

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000
WHUS74 KHGX 110848
MWWHGX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
348 AM CDT FRI AUG 11 2017

...LONG PERIOD SWELLS PROPAGATING INTO THE COASTAL WATERS...

.LONG PERIOD SWELLS WILL PRODUCE ROUGH SEAS OVER A PORTION OF THE
UPPER TEXAS COASTAL WATERS. THE SWELLS ARE EXPECTED TO SLOWLY
DIMINISH.

GMZ370-375-111200-
/O.EXT.KHGX.SW.Y.0002.000000T0000Z-170811T1200Z/
WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL FROM 20 TO
60 NM-WATERS FROM HIGH ISLAND TO FREEPORT FROM 20 TO 60 NM-
348 AM CDT FRI AUG 11 2017

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS NOW IN EFFECT UNTIL
7 AM CDT THIS MORNING...

* SEAS...5 TO 7 FEET DIMINISHING TO 3 TO 4 FEET THIS AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS MEANS THAT WAVES ARE
EXPECTED TO BE HAZARDOUS TO SMALL CRAFT. MARINERS SHOULD AVOID
SHOALING AREAS. LONG PERIOD SWELL CAN SHARPEN INTO LARGE BREAKING
WAVES IN SHOALING AREAS. IT IS NOT UNUSUAL FOR WAVES TO BREAK
MUCH FARTHER FROM SHOALING AREAS THAN IS NORMALLY EXPERIENCED.
REMEMBER...BREAKING WAVES CAN EASILY CAPSIZE EVEN LARGER VESSELS.

&&

$$


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