000
AGXX40 KNHC 031944
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
245 PM EDT WED JUN 03 2009

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

GULF OF MEXICO...
MAIN FEATURE OF NOTE IS A WEAK 1015 MB SFC LOW NEAR THE MOUTH OF 
THE MISSISSIPPI RIVER SLIDING SLOWLY TO THE NE. THE LOW IS 
PRODUCING A LARGE AREA OF SCATTERED SHOWERS AND TSTMS OVER THE 
N-CENTRAL AND NE GULF. OUTSIDE OF ANY TSTM ACTIVITY WINDS ARE 
GENERALLY LIGHT FROM THE SE-S. THIS LOW IS FORECAST TO MOVE 
SLOWLY NE INTO THE GULF STATES AND GRADUALLY BECOME ABSORBED 
INTO ANOTHER LOW BY LATE THU. IN THE MEANTIME A WEAK COLD FRONT 
SLIDES OFF THE UPPER TX/LA COAST THU NIGHT AND EXTENDS THE FL 
PANHANDLE TO 23N95W BY LATE FRI WITH WINDS SHIFTING TO THE NW-N. 
THE FRONT DISSIPATES INTO A TROUGH IN THE SAME AREA BY LATE SAT 
WITH LIGHT WINDS ON EITHER SIDE OF THE TROUGH...THIS IN SPITE OF 
A SHARPENING TROUGH IN THE UPPER LEVELS. BROAD BUT FLAT E TO SE 
FLOW RESUMES LATE SUN INTO MON AS UPPER TROUGH WEAKENS.   

SW N ATLC...
RIDGE AXIS ALONG 30N WITH A BROAD FETCH OF E-SE WINDS ACROSS THE 
ENTIRE AREA. HIGHEST WINDS OF 15-20 KT ARE CONFINED TO AREAS S 
OF 24N PER A 1014 UTC HIGH RES QUIKSCAT PASS. RIDGE IS FCST TO 
SAG SLOWLY SWD TO ALONG 28N/29N LATE THU INTO FRI AS SW FLOW 
INCREASES TO 15-20 KT OVER THE NW PORTION THE AREA IN ADVANCE OF 
A WEAKENING FRONTAL TROUGH MOVING THROUGH THE SE CONUS. RIDGE 
BUILDS BACK IN PLACE ALONG 28N E OF 75W LATE FRI AND SAT AS 
BROAD TROUGHING REMAINS W OF 75W...AND BUILDS WWD TO THE FL E 
COAST SUN AND MON. GENERALLY LIGHT WINDS ARE EXPECTED THROUGH 
THE WEEKEND WITH SOME MODERATE TRADES S OF 23N.     

CARIBBEAN AND TROPICAL N ATLC...
A 1014 UTC QUIKSCAT AND SUBSEQUENT 1506 UTC ASCAT PASS INDICATED
MODERATE NE-E WINDS OF 20-25 KT OVER THE SRN CARIBBEAN WITH 
LIGHTER WINDS ELSEWHERE. LITTLE CHANGE EXPECTED IN THE OVERALL 
PATTERN INTO THU NIGHT AND FRI. TRADES WEAKEN SLIGHTLY OVER THE 
WEEKEND AS THE PRESSURE GRADIENT AND OVERALL FIELD RELAXES 
SOMEWHAT WITH BROAD TROUGHING OVER THE W CARIBBEAN.  

WARNINGS

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

FORECASTER COBB. TROPICAL PREDICTION CENTER.