000
AGXX40 KNHC 160528
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
130 AM EDT WED SEP 16 2009

STATIONARY FRONT EXTENDS FROM SE LOUSIANA TO 26N95W. 
15-20 KT SW WINDS AREA WITHIN 180 NM E OF THE FRONT AND 10-15 KT 
W WINDS WEST OF THE FRONT WITH SEAS TO 5 FT.  WINDS ARE LIGHT 
AND VARIABLE ACROSS MUCH OF THE SOUTHERN GULF. THE FRONT IS 
FORECAST TO MOVE LITTLE OVER THE NEXT COUPLE OF DAYS AS THE 
SURFACE LOW REMAINS INLAND OVER LOUISIANA. CONSEQUENTLY LITTLE 
CHANGE IS FORECAST IN WINDS AND SEAS...BUT CONDITIONS WILL 
LIKELY WEAKEN/SUBSIDE SLIGHTLY BY LATE THU. THE FRONT WILL 
GRADUALLY DISSIPATE THIS WEEKEND ALLOWING HIGH PRES RIDGING TO 
BUILD ACROSS THE AREA

A 1012 MB LOW PRES OVER THE ALTC IS CENTERED NEAR 30N73W WITH A 
TROUGH FROM THE LOW TO E CUBA NEAR 21N76W. S TO SW WINDS 
NEAR 20 KT ARE WITHIN 300 NM E OF THE FRONT N OF 25N AND NE 
15-20 KT WINDS ARE PRESENT WITHIN 120 NM W OF THE FRONT N OF 
29N. THE LOW MOVES N OF THE LATER TODAY. THE TRAILING TROUGH 
WILL REMAIN ACROSS THE AREA FOR A FEW MORE DAYS EXTENDING FROM 
31N70W TO THE CENTRAL BAHAMAS LATE TODAY AND FROM 31N70W TO THE 
NW BAHAMAS THU AND THEN DISSIPATE BY FRI. THE PRESSURE GRADIENT 
BETWEEN THE SUBTROPICAL RIDGE OVER THE CENTRAL ATLC AND THE 
TROUGH WILL PRODUCE 20 KT SLY WINDS WITHIN 300 NM E OF THE 
TROUGH OVER THE NEXT DAY OR TWO.

LIGHTER THEN NORMAL TRADE ACROSS THE CARIBBEAN...WITH 15-20 KT
WINDS CONFINED TO NEAR THE COAST OF SOUTH AMERICA AND ALSO IN 
THE GULF OF HONDURAS. THESE WINDS ARE FORECAST TO BE BELOW 20 KT 
BY THU...OTHERWISE LIGHT WINDS ACROSS THE CARIBBEAN AND TROPICAL 
ATLC ZONE.

WARNINGS

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE

$$
FORECASTER DGS