000 AGXX40 KNHC 031947 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 245 PM EST SUN FEB 03 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... BROAD UPPER LEVEL LONGWAVE TROUGH ALONG 80W ALLOWS CHAIN OF WEAK SHORTWAVES TO SLIDE SE ON W SIDE OF ITS AXIS BRINGING SERIES OF WEAK COLD FRONTS IN SUCCESSION MAINLY ACROSS NORTHERN HALF OF BASIN. WHILE ON THE SURFACE HIGH PRES CENTER 1026 MB OVER NORTHWESTERN GULF WATERS KEEPS GENTLE TO MODERATE NE TO E BREEZE ACROSS MUCH OF BASIN. WINDS SHIFT SE TO S MON AND INCREASE TO A MODERATE BREEZE IN RESPONSE TO APPROACHING WEAK COLD FRONT THAT ENTERS NW ZONES EARLY TUE. FRONT REACH FROM FLORIDA BIG BEND TO SE TEXAS COAST TUE NIGHT...STALL AND BECOME DIFFUSE WED. HIGH PRES CENTER RIDGE REBUILDS OVER EASTERN SEABOARD MAINTAINING LIGHT TO GENTLE SE BREEZE OVER GULF WATERS LATE WED. SECOND WEAK COLD FRONT ENTER NW GULF EARLY THU AND REACH FROM NW FLORIDA PANHANDLE TO SE TEXAS COAST LATE THU. NO SIGNIFICANT INCREASE IN WINDS OR SEAS ASSOCIATED WITH THIS FRONT. CARIBBEAN SEA AND TROPICAL N ATLC S OF 22N W OF 55W... BROAD MID TO UPPER LEVEL RIDGE ALONG 10N BRING STABLE AND DRY AIR MASS ALOFT ACROSS ENTIRE BASIN WITH ONLY LOW LEVEL STRATIFIED CLOUDS NOTED BETWEEN PUERTO RICO AND VENEZUELA. COLD FRONT CROSSES YUCATAN CHANNEL THIS AFTERNOON AND REACH FROM E CUBA TO GULF OF HONDURAS WHERE IT STALL AND BECOME DIFFUSE MON. WINDS BECOME FRESH NE BREEZE W OF COLD FRONT WITH SEAS TO 6-7 FT WHILE NE TO E WINDS AND SEAS 4-5 FT REMAIN E OF FRONT TO 76W. ATLC RIDGE IS MAIN FORCE BEHIND FRESH E TRADES ACROSS REMAINDER CARIBBEAN WITH STRONG BREEZE ALONG COAST OF COLOMBIA FUEL BY LOW PRES 1007 MB INLAND COLOMBIA. LONG FETCH ACROSS ATLC BRING 8-9 FT E SWELL ACROSS TROPICAL ATLC. COLD FRONT OVER SW N ATLC FORCES HIGH PRES EASTWARD AND ALLEVIATES PRES GRADIENT OVER CARIBBEAN TUE DIMINISHING TRADES AND SWELLS ACROSS TROPICAL ATLC. SW N ATLC S OF 31N W OF 55W... WEAKENING COLD FRONT FROM 31N70W TO EASTERN CUBA. SECOND COLD FRONT FOLLOWS FROM 31N68W TO 29N81W. BOTH FRONTS MERGE MON AND PUSH E TO REACH FROM BERMUDA TO E CUBA TONIGHT AND FROM 24N65W TO NW HAITI MON. STRONG NW BREEZE EXPECTED E OF FRONT N OF 28N. FRONT MOVES OUT OF BASIN BUT WEAKEN SIGNIFICANTLY AS UPPER LEVEL SUPPORT SHIFT NE TUE. NEXT FRONT MOVES INTO SW N ATLC EARLY WED BUT CARRIES ONLY MODERATE WINDS WITH SEAS 3-4 FT N OF 29N. FRONT STALL JUST N OF 29N LATE WED AND BECOME DIFFUSE THU. NOTE...GRIDDED MARINE FORECAST IS AVAILABLE AT WWW.NHC.NOAA.GOV/TAFB/GRIDDED_MARINE WARNINGS... GULF OF MEXICO... .NONE. CARIBBEAN SEA AND TROPICAL N ATLC... .NONE. SW N ATLC... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT WWW.HURRICANES.GOV/MARINE $$ FORECASTER WALLY BARNES