000
AGXX40 KNHC 301707
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
105 PM EDT WED SEP 30 2009

GULF OF MEXICO...
A COLD FRONT EXTENDS FROM SW FLORIDA TO THE CENTRAL GULF NEAR 
26N90W...THEN IS STATIONARY THROUGH CORPUS CRISTI TEXAS. THE 
UPPER SUPPORT FOR THE FRONT IS LIFTING OUT THROUGH THE SOUTHEAST 
UNITED STATES...ALLOWING THE FRONT TO WEAKEN. WINDS TO THE NORTH 
OF THE BOUNDARY ARE ONLY 10 TO 15 KT OVER THE NW GULF...AND LESS 
THAN 10 KT OVER THE NE GULF. A BAND OF TSTMS IS STILL ACTIVE 
OVER THE SE GULF TRAINING INTO THE STRAITS OF FLORIDA. THE FRONT 
WASHES OUT THROUGH THU. HIGH PRES BUILDS FROM THE CAROLINAS TO 
THE SW GULF THU...AND ALONG 25N FRI. SOUTHERLY RETURN FLOW PICKS 
UP BRIEFLY ALONG THE TEXAS COAST BETWEEN THE RIDGE AND ANOTHER 
COLD FRONT MOVING THROUGH TEXAS. THE FRONT MOVES OFF THE TEXAS 
COAST BY EARLY FRI...THEN STALLS E TO W ALONG THE NORTHERN GULF 
COAST SAT. SOUTHERLY RETURN FLOW AGAIN INCREASES SUNDAY INTO 
MONDAY OFF THE TEXAS COAST AS HIGH PRES BUILDS OVER THE SE 
UNITED STATES.

CARIBBEAN AND TROPICAL N ATLC W OF 55W...
FRESH TRADE WINDS PERSIST OVER S CENTRAL CARIBBEAN TODAY AS HIGH 
PRES 1019 MB OVER CENTRAL ATLC MAINTAINS A STEADY FLOW OF 
EASTERLIES ACROSS BASIN. MODERATE BREEZES ARE EXPECTED THU 
THROUGH SUN EXCEPT FOR STRONGER WINDS TO 25 KT ALONG COAST OF 
COLOMBIA. THE PERSISTENT E WINDS HAVE ALLOWED SEAS TO BUILD OVER 
MAINLY THE CENTRAL AND SW CARIBBEAN. BUOYS ARE REPORTING 
COMBINED SEA HEIGHTS TO 8 FT OVER THE CENTRAL CARIBBEAN...WITH 
HIGHER VALUES TO 10 FT LIKELY NEAR THE COLOMBIAN COAST WHERE 
WINDS HAVE BEEN A LITTLE HIGHER.

SW ATLC WATERS S OF 31N W OF 55W...
A COLD FRONT EXTENDS FROM 31N71W TO NEAR FORT LAUDERDALE 
FLORIDA. AN EARLIER SCATTEROMETER PASS INDICATED SW WINDS AHEAD 
OF THE FRONT WERE REACHING 20 KT. THIS WILL DIMINISH MAINLY THIS 
AFTERNOON AS THE FRONT WEAKENS. TSTMS ARE ONGOING OVER THE 
CENTRAL BAHAMAS AND CAY SAL AREA AHEAD OF THE FRONT...BUT THIS 
IS DIMINISHING AS WELL. THE FRONT STALLS AND DISSIPATES FROM 
NEAR BERMUDA TO FAR SOUTH FLORIDA THROUGH THU...AS HIGH PRES 
BUILDS ALONG 24N. THE RIDGE AXIS LIFT NORTH THROUGH FRI...AND 
REACHES A POSITION FROM BERMUDA THROUGH CENTRAL FLORIDA BY SAT. 
MODERATE TO FRESH TRADES WILL DEVELOP S OF THE RIDGE 
AXIS...MAINLY S OF 22N SAT. A SECOND FRONT WILL PUSH OFF GEORGIA 
COAST SAT...BUT STALL AND DISSIPATE N OF THE BAHAMAS SUN INTO 
MON.

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE

$$
FORECASTER CHRISTENSEN