000
AGXX40 KNHC 041932
MIMATS

MARINE WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
230 PM EST THU FEB 04 2010

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

A 1007 MB LOW PRES IS CENTERED NEAR 28N96W WITH WARM FRONT 
EXTENDING FROM THE LOW TO 28N92W TO 24.5N84W. WITH HIGH PRESSURE 
OVER THE SE US...THERE IS A TIGHT PRES GRADIENT RESULTING IN 
FRESH TO STRONG WINDS OVER MUCH OF THE GULF. THE LOW IS FORECAST 
TO MOVE INLAND OVER SE LOUISIANA TONIGHT...WITH THE WARM FRONT 
SHIFTING N OF THE AREA. THE TRAILING COLD FRONT WILL CREATE GALE 
FORCE WINDS N OF 23N WITHIN 120 NM AHEAD OF THE FRONT ON FRI. 
THE FRONT WILL SHIFT E OF THE AREA BY LATE FRI NIGHT WITH HIGH 
PRESSURE BUILDING ACROSS THE AREA IN THE WAKE OF THE COLD FRONT. 
SE RETURN FLOW INCREASES SUN NIGHT AHEAD OF THE NEXT COLD FRONT 
EXPECTED TO SHIFT OFF THE TEXAS COAST MON NIGHT. 

HIGH PRESSURE BUILDING ACROSS THE SW N ATLANTIC WILL MAINTAIN A 
TIGHT PRESSURE GRADIENT BETWEEN THIS FEATURE AND CLIMATOLOGICAL 
LOW PRESSURE OVER COLOMBIA TO PRODUCE STRONG TRADES ACROSS THE 
CENTRAL CARIBBEAN...WITH FRESH TRADES PREVAILING ACROSS THE 
REMAINDER OF THE AREA. LATEST ASCAT PASS INDICATES WINDS OF 30 
KT OFF THE COAST OF COLOMBIA. THE HIGH PRESSURE CENTER WILL 
SHIFT EASTWARD OVER THE NEXT 48 HOURS WHICH WILL DECREASE THE 
PRESSURE GRADIENT ACROSS THE CARIBBEAN WATERS...AND DIMINISH THE 
WINDS TO PREVAILING MODERATE TO FRESH. COLD FRONT SHIFTING E 
ACROSS THE GULF OF MEXICO WILL ENTER THE FAR W CARIBBEAN WATERS 
FRI NIGHT INTO SAT. THE FRONT WILL REACH AS FAR E AS THE 
WINDWARD PASSAGE SUN NIGHT BEFORE STALLING AND DISSIPATING BY 
MON. A WEAKENING COLD FRONT HAS SHIFTED INTO THE FAR N WATERS OF 
THE TROPICAL ATLANTIC. THIS FEATURE WILL WEAKEN AND DISSIPATE BY 
FRI NIGHT. 

HIGH PRES IS BUILDING ACROSS THE SW N ATLC IN THE WAKE OF COLD 
FRONT THAT MOVE THROUGH THE AREA. A PROGRESSIVE PATTERN WILL SEE 
THE HIGH SHIFT E OF THE AREA OVER THE NEXT 48 HOURS ...WITH 
INCREASING SOUTHERLY RETURN FLOW OVER THE W PART AHEAD OF THE 
NEXT COLD FRONT TO SHIFT OFF THE FLORIDA COAST ON FRI NIGHT. 
GALE FORCE WINDS ARE EXPECTED N OF 28N E OF THE FRONT FRI NIGHT 
AND SAT AS THE COLD FRONT SHIFTS E. THE COLD FRONT WILL SHIFT E 
OF THE AREA BY SUN MORNING...WITH HIGH PRESSURE SLOWLY BUILDING 
BEHIND THE FRONT THROUGH TUE. 

WARNINGS...
ATLC...
.AMZ080...GALE CONDITIONS EXPECTED N OF 28N E OF FRONT FRI NIGHT 
AND SAT...

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.GMZ084...GALE WARNING N OF 23N E OF FRONT...
.GMZ086...GALE WARNING N OF 25N E OF FRONT...

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

$$
FORECASTER AL