000 AGXX40 KNHC 221730 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 130 PM EDT FRI MAR 22 2013 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... HIGH PRES OVER NORTHERN GULF SHIFT E THROUGH FRI AND PROMPT SE-S RETURN FLOW ACROSS MUCH OF BASIN TODAY AND SAT. COLD FRONT REACH NW GULF SAT NIGHT AND EXTEND FROM FLORIDA PANHANDLE TO BAY OF CAMPECHE SUN THEN PUSH SE OF GULF MON. STRONG N-NE WINDS BEHIND FRONT EXTEND THROUGHOUT ALMOST ENTIRE BASIN MON AND DIMINISH TUE. SW N ATLC S OF 31N W OF 65W... WEAK COLD FRONT FROM 24N65W TO 20N71W MOVE OUT OF BASIN TONIGHT. HIGH PRES OVER EASTERN SEABOARD SHIFT SE FRI AND SAT IN WAKE OF FRONT BRINGING FRESH TO STRONG SW WINDS N OF 27N AHEAD OF SECOND COLD FRONT ENTERING BASIN LATE SAT AND REACH 25N65W TO WINDWARD PASSAGE LATE TUE. SW WINDS INCREASE TO NEAR GALE FORCE N OF 29N THROUGH TUE WITH SEAS BUILDING TO 10 FT. NW SWELL TO 12 FT LINGER N OF 26N E OF 72W THROUGH TUE. CARIBBEAN SEA AND TROPICAL N ATLC S OF 22N W OF 55W... COLD FRONT N OF AREA MAINTAIN MODERATE NE TO E TRADE WINDS ACROSS BASIN THROUGH FRI. SEAS NOT EXPECTED TO EXCEED 7 FT. HIGH PRES MOVE SE BEHIND FRONT SAT AND SUN INCREASING TRADES ACROSS CENTRAL CARIBBEAN REACHING FRESH TO STRONG SE BREEZE OVER NW CARIBBEAN INCLUDING GULF OF HONDURAS AND YUCATAN CHANNEL. GULF OF MEXICO COLD FRONT ENTERS ACROSS YUCATAN CHANNEL MON INCREASING N WINDS WITH SEAS BUILDING TO 8 FT OR RMORE. WARNINGS... GULF OF MEXICO... .NONE. CARIBBEAN SEA AND TROPICAL N ATLC... .NONE. SW N ATLC... .NONE. EFFECTIVE 20 MARCH 2013...TAFB GRIDDED MARINE FORECASTS FOR 10M WINDS...10M WIND GUSTS...SIGNIFICANT WAVE HEIGHTS AND HAZARDS ARE AVAILABLE IN THE NATIONAL DIGITAL FORECAST DATABASE (NDFD) ON AN EXPERIMENTAL BASIS AT: HTTP://PREVIEW.WEATHER.GOV/GRAPHICAL ADDITIONAL INFORMATION IS AVAILABLE AT WWW.NWS.NOAA.GOV/OM/NOTIFICATION/PNS13OFFSHORE_HIGHSEAS.HTM NOTE...EFFECTIVE 25 MARCH 2013 GRIDDED MARINE FORECASTS AT WWW.NHC.NOAA.GOV/TAFB/GRIDDED_MARINE WILL BE DISCONTINUED. $$ FORECASTER WALLY BARNES