000
AGXX40 KNHC 150552
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
200 AM EDT THU OCT 15 2009

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

RIDGE OVER THE NORTHERN GULF OF MEXICO WILL SHIFT S TO ALONG 25N 
FRI. A STRONG COLD FRONT MOVES INTO THE NW GULF LATE TONIGHT 
EXTENDING FROM THE FLORIDA BIG BEND TO THE NE COAST OF MEXICO 
LATE FRI AND SW FLORIDA TO THE NE BAY OF CAMPECHE EARLY SAT THEN 
MOVES SE OF THE AREA SAT NIGHT. STRONG NLY WINDS TO 20-30 KT 
BEHIND THE COLD FRONT SAT INTO SUN...THEN GRADUALLY DECREASE TO 
BELOW 20 KT OVER ALL BUT THE SE GULF LATE MON. MAXIMUM SEAS 
TO 14 FT SW GULF ON SUN.

ATLC COLD FRONT FROM 27N65W TO 27N68W THEN STATIONARY TO 29N74W 
THEN WARM FRONT TO 31N74W. THE FRONT RETURNS NE LATER TODAY.
THE GRADIENT TIGHTENS WITH SLY WINDS INCREASING TO AT LEAST 20 KT
OVER THE NORTHERN PORTION OF THE AREA. THE STRONG SLY WINDS WILL 
CONTINUE N OF AROUND 27N THROUGH FRI. COLD FRONT MOVES OFF THE 
SE U.S. COAST LATE FRI. THE FRONT WILL EXTEND FROM 31N72W TO 
CENTRAL FLORIDA SAT AND FROM 31N71W TO CENTRAL CUBA SUN AND FROM 
31N67W TO EASTERN CUBA MON. THE STRONGEST WINDS APPEAR TO BE E 
OF THE FRONT WITH NLY WINDS BRIEFLY INCREASE TO 20 KT BEHIND THE 
FRONT.

WITH THE LACK OF AN ATLC RIDGE TRADES IN THE CARIBBEAN ARE 15 KT
OR LESS. GRADIENT TIGHTENS WITH ELY FLOW INCREASING TO 20 KT IN 
THE TROPICAL ATLC ZONE TONIGHT THEN THESE CONDITIONS SPREAD W 
INTO E CARIBBEAN LATE FRI AND TO THE CENTRAL CARIBBEAN LATE SUN. 
A COLD FRONT WILL MOVE INTO YUCATAN CHANNEL EARLY SUN THEN 
STALLS FROM E CUBA TO BELIZE MON.

WARNINGS...

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

$$
FORECASTER DGS