000
AGXX40 KNHC 171702
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
100 PM EDT THU APR 17 2008

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

UPPER LEVELS...

STRONG SHORTWAVE IS NORTH OF 25N EAST OF 77W. THE MAIN PORTION 
OF THE SHORTWAVE WILL MOVE NORTHEAST AND AWAY FROM THE AREA 
THROUGH FRIDAY. A WEAK TROUGH WILL LINGER OVER THE EASTERN PART 
OF THE AREA AND WILL BE REINFORCED LATE SATURDAY AND SUNDAY. BY 
MONDAY A BROAD FULL LATITUDE TROUGH WILL BE EAST OF 75W. THIS 
TROUGH WILL CONTINUE THROUGH TUESDAY.

ANOTHER SHORTWAVE WILL PASS JUST NORTH OF THE GULF OF MEXICO 
FRIDAY AND FRIDAY NIGHT. A PORTION OF THIS TROUGH WILL BE PART 
OF THE REINFORCEMENT OF THE TROUGH MENTIONED ABOVE.

REMAINDER OF THE AREA IS UNDER A BROAD RIDGE.

SURFACE...
STRONG LOW ASSOCIATED WITH THE STRONG SHORTWAVE IS NORTH OF THE 
AREA AND WILL MOVE NORTHEAST AWAY FROM THE AREA. RIDGE WILL BE 
ALONG 30N IN THE WAKE OF THE LOW. COLD FRONT WILL MOVE OFF TEXAS 
COAST FRIDAY AND BY EARLY SATURDAY WILL BE ALONG A LINE FROM THE 
FLORIDA PANHANDLE TO THE BAY OF CAMPECHE. THE FRONT WILL BE WEAK 
AT THIS TIME AND WILL BECOME DIFFUSE AS IT MOVES ACROSS FLORIDA 
SUNDAY. OTHERWISE RIDGE WILL BE ALONG 30N THROUGH TUESDAY.

CARIBBEAN AND TROPICAL ATLANTIC TRADES WILL BE SOMEWHAT ABOVE 
NORMAL THROUGH SATURDAY THAN THE TRADES WILL BE LESS THAN NORMAL 
THROUGH TUESDAY. 

WARNINGS...

ATLC...
NONE. 

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

.FORECASTER LL. TROPICAL PREDICTION CENTER.