000
AGXX40 KNHC 111936
MIMATS

MARINE WEATHER DISCUSSION         
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
335 PM EDT SAT APR 11 2009

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

GULF OF MEXICO...
CURRENT FRONT IS NEARLY STATIONARY FROM 30N83W TO 28N90W TO 
27N97W. THE SEGMENT OF THE FRONT OVER E GULF WILL DROP A LITTLE 
FURTHER S TONIGHT...BUT PORTION OVER THE W GULF WILL START 
MOVING BACK N TONIGHT AS SLY FLOW SET UPS OVER GULF W OF 87W. 
NEXT FRONT/TROUGH ALONG TX COAST AROUND SUNSET SUN...BUT VERY
WEAK AND WILL STALL BRIEFLY UNTIL A MUCH STRONGER FRONT ARRIVES 
MON AFTERNOON...ACTUALLY COULD BE A COUPLE OF REINFORCING FRONT 
WITH THE LATTER SURGE ARRIVING AROUND SUNSET MON. WILL FOCUS ON 
THE MAIN WIND SHIFT REACHING FROM FL BIG BEND TO CENTRAL BAY OF 
CAMPECHE SUNRISE TUE...FROM TAMPA BAY TO CENTRAL BAY OF CAMPECHE 
TUE NIGHT. THE FRONT EXPECTED TO STALL FROM FL STRAITS ACROSS 
YUCATAN PENINSULA TO E BAY OF CAMPECHE WED NIGHT. REMNANTS OF 
FRONT WILL MOVE BACK N AS WARM FRONT THU AS THE NEXT SHORT WAVE 
DEEPENS OVER S CENTRAL CONUS POSSIBLY ENTERING NEW GULF SUNRISE 
SAT.

N ATLC...
A RIDGE EXTENDS E TO W ALONG 26-27N. THE RIDGE WILL SHIFT S TO 
ALONG 24-25N E OF BAHAMAS TONIGHT AND THEN E OF 65W SUN NIGHT. 
THIS WILL ALLOW COLD FRONT THAT HAS JUST ENTERED THE NW WATERS 
TO REACH PSN FROM BERMUDA TO THE NORTHERN FL STRAITS LATE SUN 
WITH THE W PORTION OF THE FRONT STALLING AND DISSIPATING MON 
NIGHT. THE E PORTION OF THE FRONT WILL CONTINUE TO THE CENTRAL 
ATLC WITH NLY WINDS 15-20 KT FILLING IN OVER FORECAST AREA N OF 
FRONT. WINDS BECOME SLY AGAIN OVER THE NW PART EARLY MON. NEXT 
COLD FRONT MOVES OFF THE GA COAST LATE TUE WITH SW WINDS AHEAD 
OF FRONT AT 25-30 KT. FRONT REACHES FROM 31N74W TO SE FL MIDDAY 
WED AND FROM BERMUDA TO NW BAHAMAS EARLY THU...AND OVER THE SE 
WATERS THU NIGHT.
  
CARIBBEAN...
SE FLOW AT 15-20 KT OVER THE NW CARIBBEAN WILL CONTINUE WELL 
INTO NEXT WEEK WITH OCNL SURGES 20-25 KT SW GULF OF HONDURAS 
WITH THE SEAS REACHING MAX OF 8 FT NEAR 17.5N87W. OTHERWISE NE-E 
TRADES CURRENTLY AT 15-20 KT WILL DIMINISH LATE TONIGHT THROUGH 
TUE THEN INCREASING A LITTLE TUE NIGHT THROUGH EARLY THU. EXPECT 
LOCALLY ENHANCED WINDS AND SEAS ALONG COAST OF COLOMBIA THROUGH 
PERIOD..

ATLC...
.NONE.. 

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

FORECASTER NELSON. TROPICAL PREDICTION CENTER.