000 AGXX40 KNHC 291844 CCA MIMATS MARINE WEATHER DISCUSSION...CORRECTED NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 245 PM EDT THU OCT 29 2009 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. CORRECTED TO ADD GALE CONDITIONS EXPECTED IN GULF OF MEXICO GULF OF MEXICO... BUOYS AND SCATTEROMETER DATA INDICATE A BROAD AREA OF 20 TO 25 KT FLOW OUT OF THE SOUTHEAST OVER THE WESTERN PORTION OF THE GULF OF MEXICO. BUOYS ARE REPORTING GENERALLY 9 FT SEAS OVER THE WESTERN GULF...WITH SEAS AS HIGH AS 11 FT IN SE SWELL NOTED OFF THE SOUTH TEXAS COAST. THESE WINDS ARE INCREASING AHEAD OF A COLD FRONT MOVING THROUGH EAST TEXAS...AND IS EXPECTED TO PUSH INTO THE NW GULF WATERS OFF THE TEXAS COAST LATE TONIGHT AND EARLY FRI MORNING. THE FRONT WILL MAKE SLOW PROGRESS EASTWARD...REACHING FROM THE WESTERN FLORIDA PANHANDLE TO THE BAY OF CAMPECHE BY LATE SAT. THE MAIN FORECAST ISSUE FOR THIS WEEKEND WILL BE THE POTENTIAL FOR GALE FORCE WINDS BEHIND THE FRONT ALONG THE COAST IN THE FAR SW GULF OF MEXICO. MODEL GUIDANCE IS COMING INTO BETTER AGREEMENT INDICATING GALE CONDITIONS LATE SAT FOR PORTIONS OF THE MEXICAN COAST MAINLY S OF VERACRUZ MEXICO. THE FRONT WILL CONTINUE SE ON SUNDAY...STALLING FROM SW FLORIDA TO THE NORTHERN YUCATAN PENINSULA FROM LATE SUN INTO MON. WINDS WILL GRADUALLY DIMINISH TO AROUND 20 KT OUT OF THE NE ACROSS THE GULF. MEANWHILE...A REINFORCING IMPULSE WILL PUSH INTO THE SOUTHEAST UNITED STATES MON AND TUE...MAINTAINING FRESH NE FLOW OVER THE AREA. SW N ATLC S OF 31N AND W OF 55W... 1018 MB HIGH PRES CENTERED NEAR 27N72W WILL WEAKEN AND SHIFT NW OVER THE SE U.S. STATES TODAY AS A STRONG COLD FRONT DIVES SOUTHWARD E OF BERMUDA LATE TODAY THROUGH FRI. THE TRAILING EDGE OF THIS BOUNDARY WILL MOVE THROUGH THE WATERS E OF 70W WITH 20 TO 25 KT NLY FLOW BEHIND IT. OTHER THAN THESE WINDS THE MAIN MARINE CONCERN WILL BE LONG PERIOD SWELL OUT OF THE NORTH ARRIVING ON FRI WITH SEAS BUILDING GENERALLY 8 TO 12 FT...WITH AS HIGH AS 15 FT NEAR BERMUDA. THIS SWELL WILL REACH AS FAR SOUTH AS THE VIRGIN ISLANDS BY LATE SUN. THE LATEST GFS SOLUTION NOW RETROGRADES THE FRONT AND LOWER PRES ASSOCIATED WITH IT BACK TO THE W ON SUN...CENTERING IT BACK S OF BERMUDA BY EARLY NEXT WEEK...AS HIGH PRES OVER THE CENTRAL ATLC BUILDS WESTWARD. CARIBBEAN AND TROPICAL N ATLANTIC W OF 55W... TRADES IN THE 15-20 KT RANGE CONTINUE IN THE CENTRAL CARIBBEAN EARLY THIS MORNING. THESE WINDS WILL DIMINISH TO 10-15 KT BY TONIGHT AS THE TIGHT PRES GRADIENT THAT HAS BEEN IN PLACE BETWEEN ATLC HIGH PRES TO THE N AND LOW PRES OVER NRN S AMERICA WEAKENS. NE-E WINDS OF 10-15 KT WILL THEN PERSIST THROUGH THE WEEKEND AND INTO EARLY NEXT WEEK...WITH THE WEAK PRES GRADIENT REMAINING OVER THE REGION. SEAS SUBSIDE THROUGH THE WEEKEND AS THE WINDS DIMINISH. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .GALE CONDITIONS EXPECTED LATE SAT S OF 21N W OF 94W. $$ FORECASTER CHRISTENSEN