000
AGXX40 KNHC 250606
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
210 AM EDT WED APR 25 2007

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

WEAKENING FRONTAL TROUGH EXTENDS FROM 24N55W ACROSS US/UK VIRGIN 
ISLANDS TO THE CENTRAL CARIBBEAN NEAR 15N77W. THIS BOUNDARY 
EXPECTED TO LOSE IDENTITY OVER THE CARIBBEAN TONIGHT AND OVER 
THE TROPICAL ZONE BY SAT. MODELS STILL INDICATING HIGH PRES 
CENTERED NEAR BERMUDA WILL SHIFT A LITTLE MORE EASTWARD TODAY 
THEN MEANDER NEAR 30N60W THROUGH 48 HOURS THEN SHIFT E OF AREA. 
THE ASSOCIATED RIDGE EXTENDS W ALONG OVER THE NORTHERN WATERS 
AND IS EXPECTED TO SHIFT E OVER THE W GULF OF MEXICO THIS 
AFTERNOON IN ADVANCE OF A COLD FRONT MOVING OFF TX COAST 
TONIGHT. NO SURPRISE AGAIN THAT GFS SOLUTION HAS BECOME 
AGGRESSIVE OVER PREVIOUS RUNS AND NOW MOVES THIS OFF GA COAST 
FRI NIGHT AND INDICATES A WEAK WIND SHIFT WILL MAKE IT TO S FL 
SAT MORNING AND TO CENTRAL BAHAMAS SUN! NOTE THAT HPC FRONTAL 
GUIDANCE ALSO CHANGING AS MODELS ADJUST. A WEAK RIDGE BUILDS IN 
WAKE OF FRONT WITH NLY WINDS BEHIND FRONT ONLY REACHING MAX OF 
15 KT AND EXPECTED TO QUICKLY VEER BACK TO ELY. SLY WINDS AHEAD 
OF FRONT MAY REACH MAX OF 20 KT. IMPRESSIVE CONVECTION ALONG 
FRONT OVER TX ATTM EXPECTED TO WEAKEN CONSIDERABLY AS ASSOCIATED 
UPPER SUPPORT BEGINNING TO LIFT NE OVER CENTRAL CONUS.        
 
WITH RIDGE ACROSS NORTHERN WATERS EXPECT ELY WINDS IN 15-20 KT 
ACROSS ALL WATERS S OF 25N EXCEPT SURGES TO 25 KT ALONG N 
COLOMBIAN COAST. 

WARNINGS...
ATLANTIC...
NONE.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

FORECASTER NELSON