000 AGXX40 KNHC 161810 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 230 PM EDT SAT JUN 16 2007 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. UPPER LEVELS... A BROAD MID/UPPER LEVEL TROUGH REMAINS OVER THE W ATLC WITH THE AXIS EXTENDING SW INTO THE FLORIDA PENINSULA. THE BASE OF THE TROUGH REACHES 24N. THIS TROUGH WILL LIFT NE AND THE SUBTROPICAL RIDGE WILL BUILD WWD. A CUTOFF LOW IS OVER TEXAS WITH THE UPPER TROUGH EXTENDING SW TO NW MEXICO. THIS FEATURE WILL NOT MOVE OVER THE AREA UNTIL MONDAY AND TUESDAY WITH A BROAD WEAK TROUGH ENTERING THE NW CORNER OF THE GULF OF MEXICO. A RIDGE ANCHORED ON A HIGH OVER SOUTH-CENTRAL MEXICO COVERS MUCH OF THE GULF. AN UPPER LOW OVER THE LESSER ANTILLES WILL SLOWLY MOVE W OVER THE E CARIBBEAN OVER THE NEXT COUPLE OF DAYS. SURFACE... CLOUDINESS AND SHOWERS EXTENDING FROM THE NORTHWESTERN CARIBBEAN SEA ACROSS CUBA...SOUTHERN FLORIDA...AND THE BAHAMAS ARE STILL ASSOCIATED WITH A TROUGH OF LOW PRESSURE THAT NOW EXTENDS FROM CENTRAL FL ACROSS THE SE GULF OF MEXICO INTO THE YUCATAN PENINSULA. CONVECTION IN THIS AREA WILL CAUSE LOCALLY HIGHER WINDS AND SEAS. THIS TROUGH WILL CONTINUE TO SLOWLY DRIFT NW OVER THE GULF WATERS AND WILL DISSIPATE LATE SUN WHILE THE CONVECTION ASSOCIATED WITH IT WILL CONTINUE TO MOVE NE. WINDS AND SEAS ARE EXPECTED TO INCREASE UP TO 20 KT ACROSS THE GULF ON MON AS THE ATLC RIDGE BUILDS W. PRES GRADIENT BETWEEN ATLC RIDGE AND COLOMBIAN LOW IS PRODUCING STRONG ELY WINDS OF 20 TO 30 KT OVER THE CARIBBEAN BASIN MAINLY SOUTH OF 18N BETWEEN 68W AND 80W. THIS WEATHER PATTERN WILL PERSIST THROUGH TUESDAY. TWO TRPCL WAVES ARE OVER THE CARIB MOVING W 15 KT WITH LITTLE WEATHER ASSOCIATED WITH IT. A NEW TRPCL WAVE CURRENTLY MIDWAY BETWEEN AFRICA AND THE LESSER ANTILLES WILL APPROACH THE WINDWARD ISLANDS TUE AND MOVE TO THE ERN CARIB WED...BRINGING AN INCREASE IN WINDS AND SEAS. WINDS OVER THE GULF OF MEXICO WILL REMAIN MOSTLY LIGHT THROUGH SUNDAY THEN INCREASE FROM THE SOUTH MONDAY AS SURFACE RIDGE BUILDS WEST FROM THE ATLANTIC OVER THE SOUTHEAST U.S. THE RIDGE WILL REMAIN IN PLACE TROUGH THU. TROUGH OF LOW PRES OVER CENTRAL FL AND THE W ATLC WILL DRIFT NW AND WEAKEN SUN. ATLC RIDGE ALONG 27N E OF 75W THROUGH SUN. HIGH PRES OFF SE COAST SUN WILL MOVE SE AND MERGE WITH ATLC RIDGE MON THROUGH WED. ATLANTIC WINDS EAST OF 70W ARE DUE TO THE FLOW AROUND THE WEST SIDE OF LARGE ATLANTIC RIDGE. WARNINGS... ATLANTIC...NONE. CARIBBEAN...NONE. GULF OF MEXICO...NONE. FORECASTER GR