000 AGXX40 KNHC 090728 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 242 PM EDT THU JUL 08 2010 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND TROPICAL N ATLC FROM 07N TO 22N BETWEEN 55W AND 65W...AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W GULF OF MEXICO... SURFACE RIDGE WILL BUILD INTO THE E AND CENTRAL GULF ALONG 27/28N TODAY AND SAT EXPANDING TO THE W GULF WATERS SUN WHERE IT WILL PREVAIL THROUGH TUE. SOUTHERLY RETURN FLOW MAY INCREASE TO 15-20 KT OVER THE FAR NW GULF WATERS LATE MON INTO TUE. SW N ATLC... AN UPPER LEVEL LOW AND ASSOCIATED SURFACE TROUGH WILL LIFT OUT OF THE AREA OVER THE NEXT 24 TO 36 HOURS AS A SURFACE RIDGE BUILDS INTO THE AREA ALONG THROUGH SUN. THE RIDGE WILL PREVAIL ALONG 27/28N THROUGH TUE. WITH THE SURFACE RIDGE BUILDING ACROSS THE AREA...AND A TROPICAL WAVE MOVING THROUGH THE CARIBBEAN...THE PRESSURE GRADIENT WILL INCREASE OVER THE SOUTHERN PART OF THE AREA. AS A RESULT...FRESH TO LOCALLY STRONG TRADES WILL PREVAIL S OF 25N BY EARLY NEXT WEEK. CARIBBEAN SEA AND TROPICAL N ATLC... A TROPICAL WAVE IS JUST APPROACHING THE YUCATAN PENINSULA WITH THE LATEST ASCAT PASS INDICATING WINDS OF 20 KT S OF 19N AND W OF 85W. WITH A SURFACE RIDGE BUILDING INTO THE SW N ATLC...WINDS HAVE INCREASED OVER THE CENTRAL CARIBBEAN WITH THE LATEST ASCAT AND WINDSAT PASSES INDICATING 20 TO 25 KT TRADES. ANOTHER TROPICAL WAVE IS IN THE EASTERN CARIBBEAN...ACCOMPANIED BY SCATTERED SHOWERS AND THUNDERSTORMS S OF 15N. THIS WAVE WILL MOVE THROUGH THE CENTRAL CARIBBEAN SAT AND SUN AND THEN INTO THE W CARIBBEAN MON INTO TUE. WITH THE RIDGE PREVAILING ACROSS THE SW N ATLC...AND THE TROPICAL WAVE PROPAGATING THROUGH THE CARIBBEAN...FRESH TO STRONG TRADES WILL PREVAIL. RESULTANT SHORT PERIOD SEAS WILL BUILD TO 8-11 FT THROUGH EARLY NEXT WEEK. A THIRD TROPICAL WAVE WILL REACH THE TROPICAL N ATLC TUE. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER AL