000
AGXX40 KNHC 151703
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
115 PM EDT SAT MAR 15 2008

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

UPPER LEVELS...
BROAD RIDGE OVER THE CARIBBEAN AND ZONAL WESTERLIES NORTH OF 
25N. RIDGE WILL BUILD NORTH ALONG 85W TO OVER THE EASTERN GULF 
OF MEXICO AND THE SOUTHEAST U.S. THROUGH MONDAY THEN MOVE EAST 
REACHING 75W EARLY WEDNESDAY THEN WEAKEN AND PASS EAST OF 65W 
THURSDAY. STRONG SHORTWAVE WILL MOVE OFF THE EAST U.S. COAST 
TONIGHT AND SUNDAY AND BECOME A MAJOR TROUGH WITH AN AXIS ALONG 
54W BY TUESDAY THEN CONTINUE TO MOVE SLOWLY EAST WHILE WEAKENING 
SLOWLY.  STRONG SHORTWAVE OVER TEXAS TUESDAY WILL MOVE OFF THE 
TEXAS COAST LATE TUESDAY. WEDNESDAY AND THURSDAY THE 
SHORTWAVE WILL MOVE NORTHEAST OVER THE SOUTHEAST U.S. AND BY 
LATE THURSDAY BE OVER THE EAST U.S. COAST WITH THE STRONGEST 
PART NORTH OF CAPE HATTERAS.

SURFACE...
LOW PRESSURE OVER THE EASTERN U.S. NORTH OF THE AREA WILL MOVE 
OFF THE U.S. COAST TONIGHT AND DEVELOP RAPIDLY OVER THE WATER. 
THE LOW WILL MOVE EAST NORTHEAST WITH STRONG HIGH PRESSURE 
BUILDING BEHIND THE LOW. A LARGE AREA OF NORTHERLY WINDS WILL 
AFFECT THE AREA BEHIND THE LOW. THE RIDGE WEST OF THE FRONT WILL 
BUILD SOUTH ALONG 78W WILL ALSO PRODUCING STRONG SOUTHERLY 
RETURN FLOW OVER THE GULF OF MEXICO BEGINNING SUNDAY NIGHT. THE 
RIDGE WILL ALSO INCREASE THE CARIBBEAN WINDS AS THE RIDGE BUILDS 
SOUTH WITH 20 TO 25 KT TRADES AND TO 30 KNOTS NEAR THE COAST OF 
COLOMBIA BEGINNING SUNDAY AND CONTINUING THROUGH WEDNESDAY 
BEFORE DECREASING SOME THURSDAY. RETURN FLOW IN THE GULF WILL 
REACH TO 30 KNOTS MONDAY AND CONTINUE THROUGH TUESDAY BEFORE 
DECREASING SOME WEDNESDAY. A COLD FRONT ASSOCIATED WITH THE 
TEXAS SHORTWAVE WILL MOVE OFF THE TEXAS COAST TUESDAY WITH 
STRONG WINDS BEHIND THE FRONT AS WELL AS THE STRONG WINDS AHEAD 
OF THE FRONT. AS THERE IS NOT MUCH OF A HIGH WEST OF THE FRONT 
THE NORTHERLY WINDS WILL DECREASE LATE WEDNESDAY THROUGH 
THURSDAY AS THE HIGH MOVES EAST OVER THE NORTHERN GULF.  

WARNINGS...
ATLANTIC...
GALE WARNING N OF 28N SUN NIGHT...AMZ080.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

FORECASTER LL