000 AGXX40 KNHC 211807 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 105 PM EST THU JAN 21 2010 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W GULF OF MEXICO... REANALYSIS AND NCEP COORDINATION OF NW GULF HAS A PREFRONTAL TROUGH FROM MS DELTA TO BRO TX WITH THE COLD FRONT FROM SW LA TO NEAR CRP TX AT 12Z THIS MORNING. THUS WORDING ADJUSTED ON THIS MORNINGS ALPHANUMERICS PACKAGE. EXPECT FRONT TO CONTINUE SE STALLING BRIEFLY MIDDAY FRI FROM CENTRAL FL TO NW BAY OF CAMPECHE...THEN FRONTAL REMNANTS WILL LIFT RAPIDLY N FRI NIGHT. SECOND CDFNT ALONG TX COAST MIDDAY SAT...REACH PSN FROM NW FL TO YUCATAN PENINSULA SUNSET SUN...AND SE OF AREA LATE MON NIGHT. THIS SECOND FRONT MAY BE VERY CONVECTIVE OVER WATER AND MAY REFLECT THIS IN THIS AFTERNOONS PACKAGE. PATTERN REPEATS AGAIN TUE AS SLY FLOW SETS UP NW GULF. SW N ATLC S OF 31N W OF 55W... A STATIONARY FRONT OVER THE SE WATERS IS LOSING IDENTITY. SLY FLOW IS INCREASING OVER THE NW BAHAMAS AND THE ATLC WATERS N AND W OF THE BAHAMAS. EXPECT THIS SLY FLOW TO FURTHER INCREASE AND CLOCK TO SW REACHING MINIMAL GALE ON FRI AHEAD OF NEXT FRONT... WITH THE AREA OF GALE WINDS SHIFTING E OF 65W JUST BEFORE SUNRISE SAT. SEAS WILL BUILD TO NEAR 20 FT S OF BERMUDA WITH PERHAPS 16 FT PROPAGATING S OVER EXTREME NE CORNER SW ATLC ZONE...BUT MAX OF 21 FT SEAS E OF 65W AS FAR S AS 29N. S AND SW FLOW SHOULD MAKE PLEASANT CROSSING TO BAHAMAS FRI AND SAT...BUT N SWELL WILL PRODUCE SEAS TO 3 TO 5 FT ATLC SIDE OF BAHAMAS SAT AND INCREASE TO 5 TO 7 FT SUN INTO MON. SYNOPTIC PATTERN REPEATS WITH SLY FLOW INCREASING ALONG FL COAST SAT NIGHT THROUGH SUN WITH NEAR GALE IN SLY FLOW AHEAD OF NEXT FRONT...MOVING OFF GA COAST AROUND SUNRISE MON...WITH CONDITIONS CONTINUE THROUGH TUE. CARIBBEAN AND TROPICAL N ATLC W OF 55W... MINIMAL GALE POSTED S CENTRAL CARIBBEAN THROUGH TONIGHT. SLY FLOW OVER THE NW CARIBBEAN AT 20 TO 25 KT. EXPECT GRADIENT TO RELAX ON FRI AND SAT ALL WATERS THEN TIGHTEN AGAIN AND SPREADING FROM NW TO SE CARIBBEAN SAT NIGHT AS NEXT COLD FRONT ENTERS GULF OF MEXICO. FRONT REACHES YUCATAN CHANNEL SUNRISE MON. A COLD FRONT MOVES INTO ATLC WATERS N OF VIRGIN ISLANDS SAT NIGHT LOSING IDENTITY SUN ALONG 20N...BUT POST FRONTAL NLY SWELLS WILL DRIVE SEAS TO 10 FT INTO NE CARIBBEAN PASSAGES TUE. WARNINGS... ATLC... .GALE CONDITIONS EXPECTED N OF 27N E OF FRONT FRI NIGHT...AMZ080. CARIBBEAN... .GALE WARNING FROM 11N TO 15N BETWEEN 70W AND 77W...AMZ084 AND AMZ086. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER NELSON