000
AGXX40 KNHC 181759
MIMATS

MARINE WEATHER DISCUSSION   
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT WED MAY 18 2010

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

WEAK 1018 MB HIGH PRES IS CENTERED NEAR 27N87W. THE HIGH WILL 
MOVE SE TO NEAR 26N65W EARLY WED THEN DISSIPATE THU. THE RIDGE 
WILL MOVE E AS A WEAK COLD FRONT APPROACHES THE GULF COASTAL 
PLAINS LATE TONIGHT OR EARLY WED. LIGHT AND VARIABLE WINDS N OF 
25N E OF 90W THROUGH WED NIGHT THEN WINDS BECOME E TO SE WINDS 
ACROSS THE THE AREA. SE TO S WINDS INCREASE TO 15-20 KT OVER THE 
NW GULF WED NIGHT AND THU...THEN DECREASE TO 10-15 KT FRI 
THROUGH SUN.

TROUGH OVER THE NW PORTION OF ATLC FROM 31N78W TO 28N81W WILL 
DRIFT E AND DISSIPATE WED. SW WINDS 15-20 KT N OF AROUND 29N 
WITHIN 240 NM E OF THE TROUGH THEN WINDS DECREASE TO 10-15 KT 
TONIGHT. A WEAK FRONT/TROUGH APPROACHES THE SE U.S. COAST WED 
THEN GRADUALLY DISSIPATE THU THROUGH FRI. WINDS WILL BE LIGHT 
WITH THE FRONT. TROUGH IS EXPECTED TO DEVELOP NE OF THE BAHAMAS 
THU AND SE WINDS WILL INCREASE TO 15-20 KT WITHIN 180 NM E OF 
THE TROUGH. A LOW MAY FORM ALONG THE TROUGH LATE THU AND MOVE NE 
FRI AND STALL OVER THE NE PORTION OF THE AREA SAT AND SUN.

THE ATLC HIGH HAS WEAKENED AND MOVED E IN RESPONSE TO AN 
APPROACHING COLD FRONT AS A RESULT THE PRES GRADIENT ACROSS THE 
CARIBBEAN AS WEAKENED AND THE WINDS HAVE DECREASED TO 15-20 KT 
ACROSS THE S CENTRAL CARIBBEAN...WITH WINDS BELOW 20 KT ACROSS 
THE REMAINDER OF CARIBBEAN. WINDS BRIEFLY INCREASE TO 20-25 KT 
NEAR THE COAST OF COLOMBIA WED NIGHT AND THU. AS LOWER PRES
DEVELOPS OVER THE ATLC THE GRADIENT WILL WEAKEN FURTHER AND
WINDS WILL DECREASE TO LESS THAN 20 KT ACROSS THE ENTIRE
CARIBBEAN SAT AND SUN.
 
WARNINGS...
ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

FOR ADDITIONAL INFORMATION PLEASE VISIT 
HTTP://WWW.HURRICANES.GOV/MARINE

$$
FORECASTER DGS