000
AGXX40 KNHC 311914
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
215 PM EST FRI DEC 31 2010

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...
SE TO S WINDS OF 20 TO LOCALLY 25 KT CONTINUE ACROSS MUCH OF THE 
GULF OF MEXICO AHEAD OF AN APPROACHING COLD FRONT WITH SEAS UP 
TO 9 FT IN THE NORTH CENTRAL GULF. THE AREA OF WINDS WERE 
CONFIRMED BY A 1622 UTC ASCAT PASS. THE COLD FRONT WILL MOVE OFF 
THE TEXAS COAST WITHIN THE NEXT SEVERAL HOURS AND BRIEFLY STALL 
FROM SW LOUISIANA TO 24N97W EARLY SAT BEFORE A REINFORCING SURGE 
SENDS THE FRONT SWD AGAIN TO EXTEND FROM SE LOUISIANA TO 
VERACRUZ BY LATE SAT AND FROM THE FLORIDA BIG BEND TO THE SW BAY 
OF CAMPECHE BY LATE SUN. THE SURGE ALLOWS WINDS TO INCREASE TO
20 TO 25 KT N OF THE FRONT WITH SEAS BUILDING TO 9-10 FT BY LATE
SUN OVER THE W GULF. THE FRONT STALLS FROM CENTRAL FLORIDA TO 
BAY OF CAMPECHE MON THEN LIFTS NWD TO ALONG 28N MON NIGHT AND 
TUE. A WEAK WAVE OF LOW PRES DEVELOPS OVER THE NW GULF TUE AND 
RIDES ALONG THE REMNANT FRONT OVER THE NRN GULF WATERS TUE NIGHT 
AND THEN ALLOWS THE FRONT TO SAG SLOWLY SWD TO ALONG 26N/27N BY 
LATE WED. THE UKMET/GFS APPEAR TO HAVE THE BEST HANDLE ON THE 
SFC LOW FOR NOW SUCH AS IT IS.  

SW N ATLC...
1023 MB HIGH PRESSURE CENTERED NEAR 28N74W IS ALLOWING FOR 
MOSTLY LIGHT WINDS ACROSS THE SW N ATLC WITH NLY SWELLS OF 8 TO 
9 FT OVER THE FAR NE PORTION OF THE AREA PER AN EARLIER JASON 
ALTIMETER PASS AND RECENT OBSERVATIONS FROM BUOY 41049. HIGH 
PRES STRENGTHENS N OF THE AREA TONIGHT AND SUN AND ALLOWS FOR NE 
TO E WINDS INCREASE TO 20 KT S OF AROUND 24N. ON SUN NIGHT AND 
MON THE HIGH WEAKENS AND MOVES SWD TO ALONG 28N WITH A DECREASE 
IN THE ELY WINDS. THE NEXT COLD FRONT MOVES OFF THE SE U.S. 
COAST OVERNIGHT SUN AND EXTENDS FROM 31N67W TO NE FLORIDA BY 
LATE MON THEN WEAKENS FROM 28N65W TO 28N75W EARLY TUE THEN 
DISSIPATES BY LATE TUE. WEAK SFC LOW RAPIDLY MOVING OUT OF THE 
GULF TUE NIGHT DEEPENS OFF THE SE COAST WITH SW WINDS INCREASING 
TO 20 TO 25 KT N OF 28N. THE LOW DRAGS ANOTHER FRONT INTO THE 
AREA WHICH EXTENDS FROM 31N65W TO E-CENTRAL FLORIDA BY LATE 
WED.  

CARIBBEAN AND TROPICAL N ATLC...
HIGH PRES CENTERED OVER THE WESTERN ATLC WILL MAINTAIN FRESH TO 
STRONG TRADES OVER MOST OF THE CARIBBEAN SEA AND THE TROP ATLC 
WATERS E OF THE LEEWARDS THROUGH LATE MON AND TUE. THIS WILL 
INCLUDE FRESH TO STRONG NE FLOW THROUGH THE WINDWARD AND MONA 
PASSAGES. SEAS WILL BE 8 TO 12 FT IN NE SWELL OVER THE 
CARIBBEAN...AND 8 TO 11 FT IN N SWELL OVER THE TROP N ATLC.
WINDS AND SEAS SUBSIDE WED AS RIDGE N OF THE AREA WEAKENS.

WARNINGS..

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

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

$$
FORECASTER COBB