000 AGXX40 KNHC 191846 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 200 PM EST SAT FEB 19 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... STATIONARY HIGH PRES OVER NE GULF WITH RIDGE EXTENDING ACROSS THE NORTHERN GULF. SLY RETURN FLOW IN THE 15-20 KT RANGE WILL RETURN OVER THE NW TONIGHT...N OF AROUND 24N W OF 95W. SEAS REMAIN ON THE LOW SIDE GENERALLY 1 TO 2 FT OVER THE NE GULF AND 3 TO 4 FT EVERYWHERE. LITTLE SIGNIFICANT CHANGE IS EXPECTED OVER THE NEXT FEW DAYS THROUGH MON. HIGH PRES WILL SHIFT EASTWARD AS A WEAK COLD FRONT APPROACHES THE TEXAS AND LOUISIANA COAST TUE. THE WINDS WILL REMAIN LIGHT WITH THE FRONT. THE FRONT WILL THEN WASH OUT ON WED AS HIGH PRES BUILDS. THE MOVES E THU AND SLY RETURN FLOW ONCE AGAIN INCREASES KT OVER THE NW GULF. SW N ATLC W OF 65W... HIGH PRES RIDGE ALONG 28N-29N WITH LIGHT AND VARIABLE WINDS BETWEEN 27N AND 30N. THE HIGH WILL SHIFT SE AND WEAKEN TONIGHT AND SUN WHILE A COLD FRONT DEVELOPS N OF THE AREA AND INTENSIFIES AS IT MOVES SE. NW WINDS INCREASE TO 25-30 KT ACROSS THE NE PORTION OF THE AREA AND SEAS BUILDING TO 12-15 FT SUN AS THE COLD FRONT SWEEPS PAST. GALE FORCE WINDS ARE EXPECTED E OF 65W LATE SUN. HIGH PRES WILL MOVE OVER THE AREA SUN NIGHT AND MON...THEN AN APPROACHING ATLC COLD FRONT WILL CAUSE SW WINDS 20-25 KT TO DEVELOP N OF 29N MON NIGHT AND TUE. SECOND FRONT WILL BE SIMILAR TO THE FIRST... WITH MOST OF THE HIGH WINDS AND LARGE SEAS BRUSHING PAST THE NE PART OF THE FORECAST AREA...AND THE GREATEST IMPACT BEING E OF 65W AND N OF 30N. EXPECT WSW WINDS 25 TO 30 KT AHEAD OF THE FRONT TUE NIGHT N OF 28N. SEAS BUILDING TO 12-15 FT IN NW SWELL. CARIBBEAN AND TROPICAL ATLC... HIGH PRES WELL N OF THE AREA NEAR COMBINED WITH WITH LOW PRES IN COLOMBIA AND VENEZUELA WILL ALLOW MODERATE TO FRESH NE TO E TRADE WINDS TO CONTINUE ACROSS THE CARIBBEAN AND THE TROPICAL N ATLC. EXPECT VERY LITTLE SIGNIFICANT CHANGE TO CURRENT WIND AND SEA CONDITIONS THROUGH SUN MORNING. HOWEVER SOME SURGES IN NE TRADES THROUGH ATLC PASSAGES THE NEXT COUPLE OF DAYS TO AROUND 20 KT AND WINDS 20-25 KT AT TIMES NEAR THE COAST OF COLOMBIA THROUGH SUN. THESE WINDS INCREASE TO MORE WIDESPREAD 20-25 KT SUN NIGHT THROUGH TUE AS HIGH PRES BUILDS OVER NE PORTION OF SW N ATLC. THE HIGH THEN MOVES E LATE TUE AND WED ALLOWING FOR THE PRES GRADIENT TO WEAKEN OVER THE S CENTRAL CARIBBEAN WITH WINDS DIMINISHING SOME. LARGE NLY SWELLS WILL CONTINUE OVER MUCH OF THE TROPICAL N ATLC TUE AND WED. WARNINGS.. ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER DGS