000 AGXX40 KNHC 251819 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 220 PM EDT SUN JUL 25 2010 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... A SURFACE TROUGH PREVAILS OVER THE SW GULF. OTHERWISE...AN ATLC RIDGE WILL THEN BUILD WESTWARD ALONG 30N THROUGH MON...THEN SLIDE S TO NEAR 28N TUE THROUGH THU. LATEST BUOY AND SHIP OBSERVATIONS INDICATE SE WINDS OF 10 TO 15 KT AND SEAS OF 2 TO 4 FT OVER THE EASTERN AND MIDDLE GULF. VARIABLE WINDS OF 5 TO 10 KT AND SEAS OF 1 TO 2 FT PREVAILS OVER THE NW GULF. E TO SE WINDS OF 10 TO 15 KT PREVAILS OVER THE SW GULF WITH SEAS OF 3 TO 5 FT...EXCEPT 15 TO 20 KT IN THE VICINITY OF THE TROUGH. SW N ATLC... A RIDGE WILL EXTEND ALONG 28N THROUGH TUE. THE RIDGE WILL THEN SHIFT E THROUGH THU AS A COLD FRONT APPROACHES THE MID ATLANTIC COAST. THE LATEST ASCAT PASS INDICATES GENTLE TO MODERATE WINDS PREVAILS ACROSS THE MAJORITY OF THE AREA. BUOY AND CMAN OBSERVATIONS INDICATE SEAS OF 3 TO 5 FT PREVAIL. WITH THE RIDGE REMAINING ACROSS THE AREA FOR THE FORECAST PERIOD...GENTLE TO MODERATE BREEZE WILL PREVAIL OVER MUCH OF THE AREA. CARIBBEAN SEA AND TROPICAL N ATLC... BROAD LOW PRESSURE...ENHANCED BY A TUTT LOW JUST S OF WESTERN CUBA...PREVAILS OVER THE SW CARIBBEAN. A TIGHT PRESSURE GRADIENT BETWEEN THIS BROAD LOW PRESSURE AND HIGH PRESSURE OVER THE SW N ATLC IS MAINTAINING FRESH TO STRONG TRADES OVER THE CENTRAL AND EASTERN CARIBBEAN...AS DEPICTED BY THE LATEST ASCAT PASS. A TROPICAL WAVE IS APPROACHING 75W. THE ENERGY ASSOCIATED WITH THIS WAVE WILL BE ABSORBED INTO THE LOW LEVEL CIRCULATION ASSOCIATED WITH THE WELL DEFINED TUTT CELL. ANOTHER TROPICAL WAVE E OF THE AREA WILL MOVE INTO THE TROPICAL N ATLC ON TUE. A STRONGER TROPICAL WAVE WILL ENTER THE TROPICAL N ATLC WATERS ON THU ACCOMPANIED BY AN INCREASE IN WINDS AND BUILDING SEAS. WARNINGS... SW N ATLC... .NONE. CARIBBEAN... .NONE. .GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER AL