000
AGXX40 KNHC 141932
MIMATS

MARINE WEATHER DISCUSSION  
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
235 PM EST SAT NOV 14 2009

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

GULF OF MEXICO...
A 1015 MB HIGH IS CENTERED OVER THE NORTH CENTRAL GULF THIS 
AFTERNOON. THIS HAS PRODUCED LIGHT AND VARIABLE WINDS ACROSS THE 
CENTRAL GULF...WITH THE ANTICYCLONIC FLOW YIELDING NW TO N WINDS 
OF 5 TO 10 KT ACROSS THE E GULF AND SE RETURN FLOW OF 15 TO 20 
KT ACROSS THE W GULF. SEAS OF 2 FT OR LESS PREVAIL ACROSS THE 
CENTRAL AND E GULF...WITH SEAS OF 2 TO 4 FT PREVAILING ACROSS 
THE W GULF WHERE THE RETURN FLOW PREVAILS. THE SURFACE HIGH WILL 
SHIFT INTO THE SE US ON MONDAY...ENABLING A SURFACE COLD FRONT 
TO MOVE OFF THE TEXAS COAST. THE SURFACE HIGH WILL GRADUALLY 
WEAKEN THROUGH MID WEEK. THE UPPER TROUGH PROVIDING THE MOMENTUM 
FOR THE COLD FRONT WILL LIFT OUT ON WEDNESDAY. THIS WILL SLOW 
AND HALT THE EASTWARD PROGRESSION OF THE COLD FRONT...WHICH WILL 
STALL AND WEAKEN OVER THE EASTERN GULF WED-THU. A BRIEF PERIOD 
OF GALE FORCE WINDS WILL BE POSSIBLE ON TUE OVER THE SW GULF S 
OF 21N W OF 94W BEHIND THE COLD FRONT. HIGH PRESSURE WILL BUILD 
ACROSS THE SE US ON THU...WITH ANTICYCLONIC FLOW SHIFTING THE 
BOUNDARY NORTHWARD OVER THE W GULF.  

SW N ATLC S OF 31N W OF 55W...
1003 MB LOW PRESSURE CENTERED NEAR 33N71W THIS AFTERNOON HAS 
CONTINUED TO DRIFT TO THE SE TODAY. ACTIVE CONVECTION PREVAILS 
ACROSS AN OLD FRONTAL BOUNDARY FROM 31N64W TO 20N71W. WINDS AND 
SEAS HAVE COME DOWN TODAY WITH W TO NE WINDS OF 20 KT PREVAILING 
W OF THE BOUNDARY AND SEAS SUBSIDING TO 8 TO 10 FT. THE LOW 
PRESSURE CENTER IS EXPECTED TO SHIFT SSE TO NEAR 23N66W BY TUE 
WHERE IT WILL GRADUALLY SPIN DOWN WED NIGHT. NW SWELL GENERATED 
FROM THIS FEATURE WILL CONTINUE PROPAGATE AND REACH THE NE 
CARIBBEAN ISLANDS AND THROUGH THE ATLANTIC PASSAGES SUN MORNING. 
SEA CONDITIONS WILL GRADUALLY IMPROVE THROUGH THE REMAINDER OF 
THE FORECAST PERIOD. A COLD FRONT IS FORECAST TO MOVE OFF THE NE 
COAST OF THE US SUNDAY NIGHT...WITH AN INCREASE IN NE WINDS 
BUILDING BEHIND THE FRONT. THIS WILL GENERATE LONG PERIOD NE 
SWELLS THAT ARE FORECAST TO ENTER THE NW WATERS OF THE FORECAST 
AREA WED WITH SEAS POSSIBLY REACHING AS HIGH AS 13 FT BY THU. 

CARIBBEAN SEA...
OLD FRONTAL BOUNDARY EXTENDING JUST E OF THE BAHAMAS ACROSS THE 
W PART OF HISPANIOLA ACROSS E JAMAICA. W OF THE BOUNDARY...N TO 
NE WINDS OF 10 TO 15 KT WITH SEAS 3 TO 5 FT PREVAILS ACROSS THE 
W CARIBBEAN...WITH A SMALL AREA OF 15 TO 20 KT WINDS JUST OFF 
THE NICARAGUAN COAST. E OF THE BOUNDARY...E TRADES OF 10 TO 15 
KT PREVAILS WITH SEAS 4 FT OR LESS. THE FRONTAL BOUNDARY/SHEAR 
LINE WILL GRADUALLY PROGRESS E REACHING E HISPANIOLA SUN 
NIGHT...AND STALL NEAR THE MONA PASSAGE MON...AND WEAKENING BY 
MIDWEEK. AFTER THE SEAS SUBSIDE OVER THE W CARIBBEAN TONIGHT...3 
TO 4 FT SEAS WILL PREVAIL THE REMAINDER OF THE FORECAST PERIOD.

WARNINGS...

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

$$
FORECASTER AL