000 AGXX40 KNHC 261830 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 245 PM EDT MON APR 26 2010 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W GULF OF MEXICO... A COLD FRONT EXTENDING FROM N FLORIDA TO 25N85W TO 22N94W WILL SLOWLY PUSH SE...MOVING SE OF THE GULF WATERS BY TONIGHT. A STRONG BAND OF SHOWERS AND TSTMS IS MOVING AHEAD OF THE COLD FRONT AND IS CURRENTLY OVER THE STRAITS OF FLORIDA. WINDS AND SEAS WILL BE HIGHER NEAR TSTMS. NLY WINDS OF 20 TO 25 KT ARE NOTED JUST BEHIND THE FRONT. A REINFORCING COLD FRONT WILL MOVE ACROSS THE N WATERS TUE BEFORE EXITING THE GULF BY TUE NIGHT. WINDS WILL INCREASE TO 20 KT BEHIND THIS SECOND FRONT TUE NIGHT. HIGH PRES BUILDS BEHIND THE REINFORCING FRONT WED SHIFTING E THU AND FRI. SOUTHERLY RETURN FLOW WILL SET UP LATE WED INCREASING TO 20 TO 25 KT LATE THU WITH BUILDING SEAS TO AROUND 10 FT BY THU...AND 12 FT ON FRI. A COLD FRONT MAY BRIEFLY MOVE INTO THE FAR NW GULF FRI MOVING BACK INLAND FRI NIGHT. SW N ATLANTIC S OF 31N W OF 55W... A 1020 MB HIGH PRES OVER THE CENTRAL ATLC NEAR 27N53N EXTENDS A RIDGE ACROSS THE REGION ALLOWING FOR SOUTHERLY WINDS TO INCREASE OVER THE MUCH OF THE AREA. AN ASCAT PASS FROM AROUND 1400 UTC SHOWED 20 TO 25 KT ACROSS THE N WATERS N OF 27N AND 15 TO 20 KT S OF 27N. THE BAND OF SHOWERS AND TSTMS PREVIOUSLY MENTIONED IS AFFECTING THE NW BAHAMAS WITH INCREASING SHOWERS AND TSTMS N OF 27N. WINDS AND SEAS WILL BE HIGHER NEAR TSTMS. A COLD FRONT WILL MOVE OFF THE FLORIDA COAST TONIGHT EXTENDING FROM 31N72W TO NW CUBA TUE MORNING AND FROM 30N65W TO CENTRAL CUBA TUE NIGHT. A SECOND COLD FRONT WILL MOVE INTO NW PORTION OF THE AREA TUE NIGHT AND IS FORECAST TO MERGE WITH THE FIRST COLD FRONT BY LATE WED...THEN THE FRONT WILL EXTEND OVER THE SE PORTION OF THE AREA THU AND GRADUALLY DISSIPATE ON FRI. HIGH PRES WILL BUILD ACROSS THE SW ATLANTIC THU THROUGH FRI. LONG PERIOD NW SWELL ARE SPREADING ACROSS THE SW ATLC INCLUDING THE CARIBBEAN PASSAGES. THIS SWELL EVENT IS ALSO AFFECTING THE CENTRAL ATLC AND IS NOW REACHING 14N. CARIBBEAN SEA AND TROPICAL N ATLC... A COLD FRONT CURRENTLY MOVING ACROSS THE GULF OF MEXICO WILL ENTER THE NW CARIBBEAN TONIGHT. THE FRONT WILL REMAIN NEARLY STATIONARY THROUGH TUE NIGHT BEFORE DISSIPATING. MODERATE TO FRESH TRADE WINDS WILL PERSIST OVER THE CENTRAL AND E CARIBBEAN THROUGH WED INCREASING TO STRONG THU AND FRI. STRONGER TRADES WILL EXPAND ACROSS THE ENTIRE CARIBBEAN LATE WED THROUGH FRI AS STRONG HIGH PRES BUILDS ACROSS THE ATLC SHIFTING E ON FRI. OTHERWISE WINDS WILL INCREASE IN THE SOUTHERN PART OF THE TROPICAL N ATLC TONIGHT THROUGH EARLY THU. WINDS HAVE DIMINISHED ACROSS THE GULF OF HONDURAS BUT ARE EXPECTED TO INCREASE AGAIN WED NIGHT. LONG PERIOD NW SWELL ARE INVADING THE TROPICAL N ATLC RAISING SEAS TO AROUND 12 FT...AND WILL CONTINUE TO SPREAD SOUTH COVERING MOST OF THE AREA BY TUE. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER GR