000
AGXX40 KNHC 040523
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
125 AM EDT WED APR 4 2007

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

UPPER LEVELS...
STRONG LONGWAVE TROUGH IS EAST OF 65W AND WILL MOVE EAST AND 
WEAKEN. BROAD RIDGE IS WEST OF 65W AND WILL WEAKEN AND MOVE EAST 
TO BE EAST OF 75W ON THURSDAY. RIDGE WILL AMPLIFY JUST TO THE 
EAST OF THE AREA THROUGH SUNDAY.  MAJOR LONGWAVE TROUGH WILL 
GRADUALLY COVER THE AREA WEST OF THE RIDGE AND BY SUNDAY COVER 
THE AREA WEST OF 70W.

SURFACE...
WEAK RIDGE ALONG 26N TODAY. COLD FRONT MOVE OFF TEXAS COAST 
TODAY AND SLOWLY WEAKEN. BY FRIDAY THE FRONT WILL EXTEND FROM 
NEAR BERMUDA ACROSS SOUTH FLORIDA TO THE YUCATAN PENINSULA AND 
BY SUNDAY EXTEND THROUGH 31N57W TO CENTRAL CUBA.  SECOND COLD 
FRONT MOVE OFF THE NORTH GULF COAST FRI NIGHT AND BY SUNDAY 
EXTEND FROM 31N73W ACROSS CENTRAL FLORIDA AND ACROSS THE GULF 
ALONG 26N TO JUST SOUTH OF THE TEXAS MEXICO BORDER.

TRADES IN THE CARIBBEAN AND TROPICAL ATLANTIC WILL BE LESS THAN 
NORMAL THROUGH SUNDAY.

WARNINGS...
ATLANTIC...
NONE.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

FORECASTER LL