000
AGXX40 KNHC 120302 AAA
MIMATS

MARINE WEATHER DISCUSSION...AMENDED 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
945 PM EST THU MAR 11 2010

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

GULF OF MEXICO...
WEAK STATIONARY TROUGH FROM 29N91W TO 18N93W MERGES WITH FAST 
COLD FRONT OFF TEXAS COAST AND QUICKLY SWEEP SE OF GULF WATERS 
FRI NIGHT.  BROAD HIGH PRES RIDGE BUILDS ALONG 24N SAT AND SUN 
BLOCKING NEXT COLD FRONT FROM INCURSION S OF 25N AS IT MOVES E  
TO N FLORIDA SAT AND SUN.  RIDGE REBUILDS N MON IN WAKE OF 
FRONTAL PASSAGE.

TROPICAL ATLC AND CARIBBEAN SEA...
FRONTAL TROUGH ALONG 17N E OF 75W TO SOUTHERN LEEWARD ISLANDS 
WEAKENS TRADES THROUGH PERIOD AS GRADIENT REMAINS FLAT OVER 
CARIBBEAN.  TROUGH REMNANTS TO FINALLY LOSE IDENTITY LATE FRI 
NIGHT OR SAT.  FRESH E TRADES PREVAIL ACROSS MUCH OF CARIBBEAN 
WATERS WITH STRONG SLY RETURN FLOW NW CARIBBEAN AHEAD OF NEXT 
COLD FRONT MOVING ACROSS YUCATAN CHANNEL LATE FRI REACHING FROM 
WINDWARD PASSAGE TO NE HONDURAS WHERE IT WILL STALL SUN.       

SW N ATLC...AMENDED TO POST GALE CONDITIONS FRI NIGHT  
HIGH PRES CENTER NEAR BERMUDA SHIFT NE AS REINFORCED COLD FRONT 
RAPIDLY ENTERS SW N ATLC TONIGHT.  MODEL GUIDANCE DIVERGENT 
SOLUTIONS VARY FROM DEVELOPMENT OF HEALTHY LOW PRES NEAR 30N78W 
WITH GALE FORCE WINDS WRAPPING AROUND ITS SE QUADRANT IN THE GFS 
TO NEAR GALE AS LOW PRES CENTER FORMS N OF AREA IN THE NAM OR 
NOT FORM AT ALL AS SUGGESTED BY EUROPEAN SOLUTION. LATEST GFS 
TRACK IS FURTHER N...BUT STILL PRODUCES A SWATH OF GALES N OF 
28N E OF 71W FOR A PERIOD FRI NIGHT. GFS ENSEMBLES ARE QUITE 
HIGH AS WELL...60-70 PCT FOR THE AREA. 

WARNINGS...
ATLC...
.GALE CONDITIONS EXPECTED N OF 28N E OF 70W FRI NIGHT...AMZ080.
 
CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

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

$$
FORECASTER WALLY BARNES/COBB