000 AGXX40 KNHC 290829 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 330 AM EDT SUN JUL 29 2012 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... BENIGN CONDITIONS CONTINUE ACROSS GULF OF MEXICO AS BROAD HIGH PRES CENTER 1019 MB CENTERED NEAR 28N88W EXTEND OVER ENTIRE BASIN THROUGH FORECAST PERIOD. LIGHT TO MODERATE BREEZE AND SLIGHT SEAS UNDER 3 FT EXPECTED TO LAST THROUGH THU. NONE OF THE GUIDANCE DIFFER FROM THIS SCENARIO. CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W... HIGH PRES N OF AREA COMBINE WITH WEAK LOW PRES OVER COLOMBIA TO TIGHTEN GRADIENT ENOUGH TO WARRANT STRONG E WINDS AND SEAS AS HIGH AS 10 FT ACROSS LARGE PORTION OF CENTRAL CARIBBEAN. MWW3 WILL MAINTAIN A TIGHT PRESSURE GRADIENT ACROSS THE CARIBBEAN WATERS. HIGH PRES WEAKENS AND RETREATS EASTWARD MON ALLOWING WINDS TO DIMINISH TO A FRESH BREEZE AND RESTRICT COVERAGE TO S OF 15N FROM 70W TO 80W. TROPICAL WAVE APPROACHES TROPICAL N ATLC ZONE LATER TODAY WITH FRESH TO STRONG WINDS AND SEAS TO 9 FT SPREADING ACROSS EASTERN CARIBBEAN MON AND TUE THEN INTO WESTERN CARIBBEAN WED AND THU. SW N ATLC S OF 31N W OF 65W... WELL ANCHORED HIGH PRES CENTER NEAR 28N72W KEEP LIGHT BREEZE AND SLIGHT SEAS ACROSS MOST OF BASIN. MAIN DIFFERENCE IS CREST OF WAVE CROSSING CARIBBEAN LATER TODAY INCREASING E WINDS TO A FRESH BREEZE AND SEAS TO 7 FT S OF 23N AND ALONG WAVE AXIS THROUGH THU. NOTE...GRIDDED MARINE FORECAST IS AVAILABLE AT WWW.NHC.NOAA.GOV/TAFB/GRIDDED_MARINE GULF OF MEXICO... .NONE. CARIBBEAN SEA... .NONE. SW N ATLANTIC... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT WWW.HURRICANES.GOV/MARINE $$ FORECASTER WALLY BARNES