000
AGXX40 KNHC 181754
MIMATS

MARINE WEATHER DISCUSSION 
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT WED MAY 18 2011

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

GULF OF MEXICO...
COLD FRONT OVER THE NE GULF WILL DISSIPATE THIS EVENING. 
OTHERWISE HIGH PRES RIDGE BUILDS ACROSS THE NORTHERN GULF. THIS 
RIDGE COMBINED WITH LOWER PRES OVER THE SOUTHERN PLAINS IS 
PRODUCING SLY WINDS 20 KT ACROSS THE WESTERN GULF...GENERALLY W 
OF 90W. THE WINDS ARE FORECAST TO INCREASE TO 20-25 KT BY FRI.
THE WINDS THEN DECREASE SLIGHT BY EARLY NEXT WEEK. LIGHT WINDS 
AND NEARLY FLAT SEAS OVER THE NE GULF THROUGH THE FORECAST 
PERIOD.

SW N ATLC...
TROUGH OVER THE NW PORTION OF THE AREA WILL REMAIN NEARLY 
STATIONARY THE DISSIPATE THU AFTERNOON. HIGH PRES RIDGE BUILDS 
ALONG 30N/31N THU NIGHT THROUGH MON. ELY WINDS WILL BE IN THE 
10-15 KT RANGE S OF 25N AND 5-10 KT N OF 25N THROUGH MON.

CARIBBEAN SEA AND THE TROPICAL N ATLC ...
PERSISTENT SURFACE TROUGH ACROSS THE CENTRAL CARIBBEAN. THE 
TROUGH WILL MOVE W AND FINALLY DISSIPATE OVER THE OVER THE 
WESTERN CARIBBEAN THU NIGHT. TROPICAL WAVE S OF 13N ALONG 57W 
WILL MOVE INTO THE EASTERN CARIBBEAN THU THEN TO THE CENTRAL 
CARIBBEAN  FRI OVER THE SW CARIBBEAN OVER THE WEEKEND. ELY WINDS 
INCREASE TO 20 KT IN NW CARIBBEAN S OF 20N W OF 85W TONIGHT 
THROUGH SAT THEN DECREASE SUN AND MON AS THE GRADIENT RELAXES.

WARNINGS..

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

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

$$
FORECASTER DGS