000 AGXX40 KNHC 310552 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 200 AM EDT SUN JUL 31 2011 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND TROPICAL N ATLC...AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... TROPICAL WAVE IN THE YUCATAN CHANNEL WILL MOVE ACROSS THE YUCATAN PENINSULA TODAY THEN ACROSS THE S BAY OF CAMPECHE MON BEFORE DISSIPATING. EXPECT SQUALLY WEATHER TODAY AHEAD OF THE WAVE. THERE REMAINS UNCERTAINTY AS TO WHETHER THE NORTHERN PORTION OF THE WAVE WILL SURVIVE THE TREK ACROSS THE YUCATAN AND INTO THE BAY OF CAMPECHE. OTHERWISE WEAK RIDGING WILL REMAIN OVER THE NORTHERN GULF WITH LIGHT TO MODERATE WINDS AND SEAS THROUGH THE FORECAST PERIOD. SW N ATLC... WEAK SURFACE RIDGE WILL DOMINATE THE REGION THROUGH MON PRODUCING MAINLY VARIABLE WINDS AND SEAS OF 2-3 FT N OF 27N. ON TUE THE RIDGE WILL STRAIGHTEN SOME WITH WINDS VEERING TO THE S-SW. AN AREA OF FRESH E-SE TRADES WILL REMAIN ON THE SOUTHERN PERIPHERY OF THE RIDGE WITH SEAS OF 4-6 FT E OF THE BAHAMAS. THE RIDGE WILL THEN WEAKEN LATE TUE AS A VIGOROUS TROPICAL WAVE AND ASSOCIATED LOW PRES APPROACH FROM THE FAR NE CARIBBEAN/ NW TROPICAL N ATLC AREA ENTERING THE FAR SE PORTION OF THE SOUTHWEST N ATLC WED. CARIBBEAN AND TROPICAL N ATLC W OF 55W... TROPICAL WAVE APPROACHING THE TROPICAL ATLC ZONE. THE WAVE AND ASSOCIATED LOW PRES WILL BE LOCATED NEAR 14N55W THIS EVENING. THE LOW HAS THE POSSIBILITY OF DEVELOPING INTO A TROPICAL CYCLONE. THE LOW POSSIBLE TROPICAL CYCLONE WILL MOVE ACROSS THE WINDWARD ISLANDS EARLY TUE...AND JUST SE OF PUERTO RICO EARLY WED AND JUST N OF THE DOMINICAN REPUBLIC THU. OTHERWISE ELY WINDS 10-15 KT ACROSS THE REMAINDER TO THE CARIBBEAN. WARNINGS... GULF OF MEXICO... .NONE. SW N ATLC... .NONE. CARIBBEAN AND TROPICAL N ATLC... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER DGS