000 AGXX40 KNHC 201748 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1250 PM EST SAT JAN 20 2007 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. UPPER LEVELS... LARGE ANTICYCLONE CENTERED OVER THE GREATER ANTILLES THROUGHOUT THE PERIOD. WESTERLIES CONFINED TO NORTH OF 25N. SEVERAL SHORTWAVES WILL PASS NORTH OF THE AREA BUT WILL NOT EXTEND SOUTH OF 31N. SURFACE... STRONG LOW WELL NORTHEAST OF THE AREA WITH ASSOCIATED COLD FRONT WILL AFFECT THE ATLANTIC AREA NORTH OF 25N EAST OF 74W TONIGHT THEN WINDS WILL MOVE EAST OF 65W SUNDAY BUT THE ASSOCIATED HIGH SEAS WILL IMPACT THE ATLANTIC AREA MOSTLY EAST OF 75W THROUGH MONDAY NIGHT THEN MOVE EAST OF 65W TUESDAY. THE ASSOCIATED SURFACE HIGH WILL MOVE SOUTH OVER THE ATLANTIC SUNDAY AND MONDAY WITH SOUTHERLY FLOW WEST OF THE HIGH MOSTLY IN THE ATLANTIC AREA BEGINNING SUNDAY AND CONTINUING THROUGH MONDAY. COLD FRONT WILL MOVE OFF TEXAS COAST EARLY MONDAY AND BY EARLY TUESDAY EXTEND FROM NORTH FLORIDA TO NORTHEAST MEXICO. BY EARLY WEDNESDAY FRONT WILL BE THROUGH 28N65W ACROSS SOUTH FLORIDA TO A LOW PRESSURE DEVELOPING IN THE WEST GULF NEAR 26N93W WITH COLD FRONT SOUTH TO BAY OF CAMPECHE. LOW WILL MOVE RAPIDLY EAST NORTHEAST ALONG THE FRONT AND CROSS NORTH FLORIDA LATE WEDNESDAY AND DEVELOP FURTHER NORTH OF THE AREA OVER THE ATLANTIC THURSDAY. BY MIDDAY THURSDAY THE FRONT WILL EXTEND THROUGH 31N72W TO SOUTH FLORIDA TO THE BAY OF CAMPECHE. WINDS NORTH OF THE FRONT WILL BE IN THE 20 TO 25 KT RANGE EXCEPT OVER THE SOUTHWEST GULF WHERE NEAR GALE NORTHERLY WINDS WILL PREVAIL. EAST OF THE FRONT STRONG WINDS WILL BE CONFINED TO THE ATLANTIC AREA NORTH OF 25N WITH GALE CONDITIONS FORECAST NORTH OF 29N EAST OF THE FRONT THURSDAY. WINDS IN THE CARIBBEAN AND TROPICAL ATLANTIC WILL CHANGE LITTLE THROUGH THE PERIOD WITH THE STRONGEST WINDS IN THE SOUTH CENTRAL PART OF THE CARIBBEAN REGION. OTHERWISE TRADES WILL BE NEAR OR LESS THAN NORMAL. WARNINGS... ATLANTIC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER LL