000
AGXX40 KNHC 121754
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT THU JUL 12 2012

MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA
AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W.

GULF OF MEXICO...
AN E TO W RIDGE EXTENDING ACROSS THE FAR N GULF IS SHIFTING SE 
IN ADVANCE OF A WEAK COLD FRONT THAT WILL DIP INTO THE NW GULF 
THIS EVENING AND QUICKLY STALL FROM ROUGHLY THE MS DELTA TO SE 
TEXAS. THE RIDGE WILL REBUILD LATE TONIGHT PUSHING THE  REMNANTS 
OF THE FRONT NW OF THE AREA BY EARLY FRI. SLOW MOVING TROPICAL 
WAVE THROUGH S FLORIDA AND THE FLORIDA STRAITS. THE WAVE WILL 
MOVE INTO SE GULF FRI AND INTO THE CENTRAL GULF LATE SAT AND 
SUN...THEN WEAKEN AS IT PASSES THROUGH THE SW GULF ON MON. 

SW N ATLC S OF 31N W OF 65W...
RIDGE EXTENDING E TO W ALONG 31N WILL LIFT N OF THE AREA LATER 
TODAY AND REMAIN N OF AREA THROUGH EARLY SAT. SURFACE HIGH 
SHIFTS S INTO THE AREA NEAR 19N68W MON. FURTHER S...ELY WINDS 
WILL CONTINUE IN THE 15 KT RANGE ACROSS THE AREA S OF 24N  
TONIGHT THEN INCREASE TO 15-20 KT AGAIN LATE FRI. TROPICAL WAVE 
WELL E OF THE AREA WILL APPROACH THE FAR SE PORTION SUN NIGHT 
AND MON.
 
CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
TROPICAL WAVE N OF 19N ALONG 75W IS EXPECTED TO REACH THE 
YUCATAN PASSAGE FRI NIGHT AND MOVE W OF THE AREA SAT. CURRENTLY 
ELY TRADES ARE AT 25-30 KT OVER THE S-CENTRAL CARIBBEAN AND  
15-20 KT ELSEWHERE S OF 17N W OF 67W. EXPECT THE GRADIENT TO 
RELAX ACROSS THE AREA TONIGHT WITH DECREASING WINDS. THE NEXT 
SURGE OF NE WINDS AT 20 KT WILL REACH ALONG 55W LATE FRI AND 
SPREAD RAPIDLY W ACROSS THE E AND CENTRAL CARIBBEAN THROUGH SAT 
AND SURGE INTO THE GULF OF HONDURAS LATE SUN. THE NEXT TROPICAL 
WAVE SHOULD REACH ALONG 55W FRI NIGHT AND MOVE INTO E CARIBBEAN 
SAT NIGHT AND 66W SUN AND INTO THE CENTRAL CARIBBEAN MON AND 
TUE. 
NOTE...GRIDDED MARINE OUTPUT IS AVAILABLE AT 
WWW.NHC.NOAA.GOV/TAFB/GRIDDED_MARINE

GULF OF MEXICO...
.NONE.

CARIBBEAN SEA...
.NONE.

SW N ATLANTIC...
.NONE.
    
FOR ADDITIONAL INFORMATION PLEASE VISIT
WWW.HURRICANES.GOV/MARINE

$$
FORECASTER DGS