000
AGXX40 KNHC 251753
MIMATS

MARINE WEATHER DISCUSSION 
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT MON APR 25 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...
NO MAJOR CHANGE IS EXPECTED ACROSS THE GULF OF MEXICO OVER THE 
NEXT FEW DAYS AS HIGH PRES REMAINS IN CONTROL OF THE WEATHER 
PATTERN ACROSS THE AREA. THE PRES GRADIENT BETWEEN THIS HIGH 
PRES OVER THE WESTERN ATLC AND LOWER PRES OVER NE MEXICO WILL 
RESULT IN 20 TO 25 KT SLY WINDS ACROSS ALL BUT THE NE GULF 
THROUGH TUE AHEAD OF A COLD FRONT MOVING OFF THE TEXAS COAST 
LATE WED. THE COLD FRONT WILL MOVE RAPIDLY E AND EXTEND FROM THE 
FLORIDA BIG BEND TO THE BAY OF CAMPECHE THU. NLY WINDS BRIEFLY 
INCREASE TO 20-25 KT W OF THE FRONT. THE FRONT MOVES E OF THE 
AREA FRI AND HIGH PRES BUILDS OVER THE NE GULF. THE HIGH MOVES E 
AND ONCE AGAIN SLY WINDS INCREASE TO 20 KT SAT.

SW N ATLC...
TROUGH FROM 27N75W TO WEAK 1015 MB LOW PRES NEAR 21N76W. THIS 
SYSTEM COMBINED WITH RIDGE ACROSS THE REMAINDER OF THE AREA IS 
PRODUCING 20-25 KT NE WINDS FROM 22N-27N E OF 76W. THE LOW IS 
FORECAST TO DISSIPATE THIS EVENING. THE TROUGH WILL MOVE ACROSS 
FLORIDA TONIGHT AND DISSIPATE. SCATTERED SHOWERS AND SOME TSTMS
ARE ALONG THE TROUGH. RIDGE WILL DOMINATE MOST OF THE AREA 
THROUGH THU. SLY WINDS WILL INCREASE ACROSS THE NW PORTION OF 
THE ZONE LATE WED AS A COLD FRONT APPROACHES SE U.S. COAST THU. 
THE FRONT WILL MOVE OFFSHORE AND EXTEND FROM 31N74W TO NW 
BAHAMAS FRI AND FROM 31N67W TO CENTRAL BAHAMAS SAT. WINDS WILL 
BE LIGHT WITH THE FRONT.

CARIBBEAN SEA AND TROPICAL ATLC W OF 55W...
ELY WINDS TO 20 KT IN THE GULF OF HONDURAS WILL INCREASE TO 
20-25 KT WED INTO EARLY THU WITH SEAS BUILDING TO 8 FT AS HIGH 
PRES STRENGTHEN TO THE N. THE GRADIENT RELAXES FRI AND WINDS 
DECREASE TO BELOW 20 KT. NE WINDS 20-25 KT NEAR THE COAST OF 
COLOMBIA WILL DECREASE LATE THU THROUGH SAT AS THE ATLC RIDGE 
MOVES E AND A WEAK COLD FRONT MOVES OFF THE SE U.S. COAST. 
OTHERWISE RATHER TRANQUIL CONDITIONS PERSIST ACROSS THE 
REMAINDER OF THE CARIBBEAN.

WARNINGS..

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

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

$$
FORECASTER DGS