000 AGXX40 KNHC 010630 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 230 AM EDT SUN MAY 1 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... MODERATE TO FRESH E-SE TRADE WIND FLOW PREVAILS OVER THE ENTIRE GULF OF MEXICO. SCATTEROMETER DATA SHOWS 20-25 KT WINDS W OF 89W. SEAS ARE 3-4 FT IN THE EASTERN GULF AND 4-6 FT IN THE WESTERN GULF. HIGH PRES WILL SLOWLY SHIFT E ALONG 30N THROUGH MON NIGHT AND A COLD FRONT WILL MOVE OFF THE TEXAS COAST MON. THE FRONT WILL EXTEND FROM THE SW LOUISIANA COAST TO THE WESTERN BAY OF CAMPECHE TUE. STRONG HIGH PRES RIDGE OVER LAND ALONG 98-99W AND A LOW PRES TROUGH OVER THE YUCATAN PENINSULA WILL INTENSIFY THE PRES GRADIENT W OF THE FRONT TUE IN THE SW GULF. EXPECT 25-30 KT WINDS WITH MINIMAL GALE FORCE WINDS A DISTINCT POSSIBILITY WHERE FUNNELING EFFECTS ALONG THE VERA CRUZ COAST ENHANCE N-NW WINDS. SW N ATLC... COLD FRONT CONTINUES TO WEAKEN S OF 30N...AND IS BECOMING DIFFUSE IN NE PORTION OF FORECAST AREA. SCATTEROMETER AND SURFACE OBS SHOWS MODERATE 10-15 KT E TRADE WINDS ACROSS THE ENTIRE REGION. HIGH PRES WILL BUILD E ALONG 30N MON THROUGH TUE AND ELY WINDS INCREASE TO 20 KT OVER THE SE PORTION OF THE AREA. ANOTHER COLD FRONT WILL APPROACH THE SE U.S. COAST WED MORNING WITH SW WINDS INCREASING TO 15-20 KT IN NW PORTION OF THE AREA. THE FRONT WILL EXTEND FROM 31N77W TO CENTRAL FLORIDA WED AFTERNOON THEN WEAKEN FROM 31N71W TO NW BAHAMAS THU. NE WINDS BRIEFLY INCREASE TO 20 KT W OF THE FRONT LATE WED INTO EARLY THU. CARIBBEAN AND TROPICAL N ATLC... LATEST SCATTEROMETER PASS SHOWED AREA OF FRESH NE 20 KT WINDS OFF THE COAST OF COLOMBIA BETWEEN 74-77W. WINDS INCREASE SLIGHTLY MON THROUGH TUE AS HIGH PRES SHIFTS E ALONG 30N. EXPECT HIGHEST WINDS TO REMAIN NEAR COAST OF COLOMBIA AND ATLC PASSAGES THROUGH TUE. WW3 WAVE MODEL GUIDANCE SHOWS VERY LITTLE SIGNIFICANT CHANGE TO SEA HEIGHTS THROUGH WED. HIGH PRES N OF THE AREA WILL WEAKEN THU. WARNINGS.. ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER MUNDELL