000 AGXX40 KNHC 211700 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 100 PM EDT THU MAR 21 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... A STATIONARY FRONT EXTENDING FROM WESTERN CUBA AND NORTH OF THE YUCATAN PENINSULA TO VERACRUZ WILL BECOME DIFFUSE TONIGHT. HIGH PRES ACROSS THE NORTHERN GULF WILL SHIFT E THROUGH FRI AND ALLOW ANTICYCLONIC SOUTHERLY RETURN FLOW TO DEVELOP AND INTENSIFY OVER THE REGION. A COLD FRONT ASSOCIATED WITH DEVELOPING LOW PRES SYS OVER THE SOUTHERN STATES WILL REACH THE NW GULF SAT NIGHT AND EXTEND FROM THE FLORIDA PANHANDLE TO VERACRUZ SUN MORNING. THE FRONT WILL RAPIDLY SPREAD SOUTH AND EAST SUN AFTERNOON THEN PUSH SE OF THE GULF BY MON. STRONG HIGH PRES AND FRESH EASTERLY WINDS WILL PREVAIL OVER THE REGION MON AND TUE. CARIBBEAN SEA AND TROPICAL N ATLC S OF 22N W OF 55W... MODERATE EASTERLY TRADE WINDS WILL PREVAIL ACROSS THE REGION THROUGH FRI. HIGH PRES SHIFTING SE ACROSS THE SW N ATLC OVER THE WEEKEND WILL FRESHEN TRADES ACROSS THE CENTRAL CARIBBEAN...WHILE FRESH TO STRONG SE WINDS DEVELOP IN THE NW CARIBBEAN INCLUDING THE GULF OF HONDURAS AND YUCATAN CHANNEL. WINDS AND SEAS WILL DIMINISH SLIGHTLY MON AS A COLD FRONT MOVES INTO NORTHERN CUBA AND BRUSHES PAST THE YUCATAN CHANNEL. MODERATE EASTERLY TRADES WILL PREVAIL ACROSS THE REGION TUE WITH HIGHER WINDS NEAR THE COAST OF COLOMBIA. MARINE CONDITIONS IN THE TROPICAL N ATLC WILL REMAIN FAIRLY BENIGN THROUGH TUE...WITH 5-7 FT SEAS E OF THE WINDWARD ISLANDS AND 4-5 FT SEAS N AND E OF THE LEEWARD ISLANDS. SW N ATLC S OF 31N W OF 55W... SCATTERED TO NUMEROUS TSTMS ARE FOUND N OF 26N E OF A COLD FRONT THAT STRETCHES FROM 31N70W TO WESTERN CUBA. THE TSTMS WILL SHIFT E WITH THE FRONT AND DIMINISH TO WIDESPREAD SHOWER ACTIVITY N OF 28N THIS EVENING. THE FRONT WILL EXTEND FROM 31N67W TO EASTERN CUBA TONIGHT THEN MOVE E OF THE AREA FRI. A BROAD AREA OF HIGH PRES CENTERED NEAR 27N70W WILL PREVAIL ACROSS THE REGION FRI THROUGH SAT NIGHT. THE HIGH SHIFTS EAST SAT NIGHT...AND FRESH TO STRONG SW WINDS WILL DEVELOP N OF 27N W OF 75W AHEAD OF THE NEXT COLD FRONT...EXPECTED TO REACH NORTHERN FLORIDA SUN...AND EXTEND FROM 31N68W TO NORTHERN CUBA MON. 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 MUNDELL