000
AGXX40 KNHC 220730
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
230 AM EST TUE FEB 22 2011

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...
WEAKENING HIGH PRES RIDGE EXTENDS ACROSS THE EASTERN GULF WITH 
LIGHT TO MODERATE SE TO S WINDS OVER MOST OF THE GULF. A WEAK 
FRONT WILL REACH THE TEXAS COAST TUE CAUSING A WIND SHIFT AND 
LIGHT WINDS ALONG THE FRONT. THE FRONT WILL WASH OUT ON WED AS 
HIGH PRES BUILDS. THE RIDGE MOVES E THU AND SLY RETURN FLOW WILL 
ONCE AGAIN INCREASE OVER THE NW GULF. ANOTHER WEAK COLD FRONT 
WILL REACH LOUISIANA FRI AND BRUSH PAST THE NORTHERN GULF COAST 
THROUGH SAT.

SW N ATLC W OF 65W...
ASCAT PASS AT 0220 UTC SHOWED SW WINDS INCREASING N OF 27N WITH 
WINDS AROUND 25 KT DEPICTED ALONG 30N. HIGH PRES CENTERED NEAR 
25N62W HAS SHIFTED E OF THE AREA...AND RIDGE EXTENDING ACROSS 
THE NORTHERN BAHAMAS AND SOUTHERN FLORIDA IS RECEDING EASTWARD. 
LARGE N SWELL IS AFFECTING EASTERN PORTION OF THE AREA E OF 75W 
WITH SEAS 10-15 FT. HIGH PRES RIDGE WILL BECOME ELONGATED ALONG 
25N TODAY AS A TRAILING BACKDOOR COLD FRONT BRUSHES PAST. FRONT 
BARELY PUSHES INTO THE NORTHERN PART OF THE ZONE. MOST OF THE 
HIGH WINDS AND LARGE SEAS WILL BRUSH PAST THE NE PART OF THE 
FORECAST AREA WITH THE GREATEST IMPACT BEING BRIEF PERIOD OF 
GALE FORCE WINDS TONIGHT AND EARLY WED E OF 65W AND N OF 30N. 
FRONT WILL CAUSE W-SW WINDS TO INCREASE TO 20-25 KT...THEN SHIFT 
TO THE NW AND DIMINISH TONIGHT AND WED. HIGH PRES WILL BUILD N 
OF THE AREA THU WITH SW WINDS INCREASING AGAIN FRI AHEAD OF 
ANOTHER COLD FRONT WHICH WILL BRUSH PAST THE FAR N PORTIONS.

CARIBBEAN AND TROPICAL ATLC...
FRESH TO STRONG TRADE WINDS PREVAIL ACROSS THE ENTIRE CARIBBEAN 
E OF 81W AND MOST OF THE TROPICAL ATLC S OF 20N. 20-25 KT WINDS 
ARE ALSO FUNNELING THROUGH ATLC PASSAGES. HIGHEST WINDS CONTINUE
TO BE ALONG THE COAST OF COLOMBIA. LITTLE CHANGE IS EXPECTED 
THROUGH TONIGHT AS HIGH PRES NE OF THE AREA SHIFTS FURTHER E. 
SEAS WILL BE AROUND 11-12 FT IN THE SW CARIBBEAN THROUGH WED. 
HIGH PRES MOVES FURTHER E LATE WED...ALLOWING THE PRES GRADIENT 
TO WEAKEN OVER THE S CENTRAL CARIBBEAN WITH WINDS DIMINISHING. 
LARGE NLY SWELL CONTINUING OVER MUCH OF THE TROPICAL N ATLC WILL 
SUBSIDE LATER IN THE WEEK...THEN ANOTHER BATCH OF NLY SWELLS 
WILL PROPAGATE IN THE TROPICAL ATLC ZONE SAT.

WARNINGS..

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

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

$$
FORECASTER MUNDELL