000 AGXX40 KNHC 141703 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 103 PM EDT WED MAY 14 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 OVER THE ATLANTIC AREA NORTH OF 18N. A RIDGE IS OVER THE CARIBBEAN AND THE GULF OF MEXICO. THE TROUGH WILL MOVE TO EAST OF 60W FRIDAY WITH THE RIDGE OVER THE ENTIRE AREA AND CENTERED OVER WESTERN CUBA TO BAY OF CAMPECHE. THE RIDGE WILL WEAKEN NORTH OF 22N AS WESTERLY WINDS EXPEND SOUTHWARD OVER THE NORTHERN PART OF THE AREA FRIDAY AND SATURDAY. BY MONDAY WEAK RIDGE IS SOUTH OF 22N WITH MODERATE WESTERLIES NORTH OF 25N. SURFACE... LOW NORTH OF THE AREA WILL MOVE LITTLE AND WEAKEN THROUGH FRIDAY WHEN IT WILL MOVE NORTHEAST. THE SURFACE FEATURES WILL MORE OR LESS MIMIC THE UPPER LEVEL SCENARIO. NORTHERLY SWELL ASSOCIATED WITH THE SURFACE LOW WILL IMPACT THE ATLANTIC AREA THROUGH FRIDAY WITH SWELL TO 14 FT TONIGHT GRADUALLY SUBSIDING TO 8 FT EARLY FRIDAY. THE WIND OF 20 KNOTS OR MORE ASSOCIATED WITH THE SYSTEM WILL MOVE EAST OF 65W THURSDAY. THE HIGH WEST OF THE LOW/TROUGH FEATURE WILL CAUSE RETURN FLOW OF NEAR 20 KNOTS IN THE GULF OF MEXICO DECREASING THURSDAY BUT BEGINNING IN THE ATLANTIC AREA THURSDAY. A FRONT ASSOCIATED WITH A SHORTWAVE IN THE WESTERLY FLOW WILL MOVE OFF THE UPPER TEXAS COAST THURSDAY NIGHT. SOUTHWESTERLY FLOW AHEAD OF THE FRONT WILL BEGIN IN THE ATLANTIC AREA NORTH OF 28N THURSDAY NIGHT AND FRIDAY. COLD FRONT WILL MOVE OFF GEORGIA COAST FRIDAY EVENING. MOST OF THE ASSOCIATED WIND WILL BE EAST OF THE FRONT BECAUSE THERE IS ONLY A VERY WEAK HIGH PRESSURE WEST OF THE FRONT. THE SOUTHWESTERLY WINDS WILL MOVE EAST OF 65W LATE SUNDAY WITH RATHER WEAK WINDS OVER THE AREA MONDAY. CARIBBEAN TRADES OF NEAR 20 KNOTS WILL BE CONFINED TO SOUTH OF 15N EXCEPT FOR SOUTHEAST WINDS TO 20 KNOTS IN THE GULF OF HONDURAS. WARNINGS... ATLC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. .FORECASTER LL. TROPICAL PREDICTION CENTER.