000 AGXX40 KNHC 020800 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 330 AM EDT THU AUG 2 2012 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... WESTERN EXTENSION OF ATLC RIDGE STRETCH ALONG 26N FROM CENTRAL FLORIDA TO S TEXAS COAST. LIGHT TO MODERATE WINDS PREVAIL ACROSS ENTIRE BASIN WITH SEAS 2 FT OR LESS...EXCEPT POSSIBLY TO 4 FT IN EXTREME S BAY OF CAMPECHE WHERE THE EFFECTS OF WEAK TROPICAL WAVE OVER ISTHMUS OF TEHUANTEPEC SAT MAY STIR SEA WITH MODERATE NE BREEZE. MODEL GUIDANCE AGREES WITH LITTLE CHANGES OTHERWISE THROUGH FORECAST PERIOD. SW N ATLC S OF 31N W OF 55W... ATLC STATIONARY RIDGE EXTEND ALONG 30N FROM SUBTROPICAL HIGH PRES CENTER WELL NE OF BASIN TO CENTRAL FLORIDA AND PREVAIL THROUGH WEEKEND. LIGHT TO MODERATE E-SE WINDS WITH SEAS 3-4 FT EXPECTED ACROSS ENTIRE BASIN THROUGH SUN EXCEPT FRESH SE BREEZE ASSOCIATED WITH BACK SIDE OF TROPICAL WAVE CURRENTLY ALONG 72W MOVING W THROUGH TODAY AND TONIGHT. OF MOST CONCERN IS THE POSSIBLE INTENSIFICATION OF TROPICAL DEPRESSION FIVE PRESENTLY AT 12.7N51.7W. T.D. FIVE EXPECTED TO BECOME A STORM TODAY AND TRACK W INTO TROPICAL N ATLC THEN INTO EASTERN CARIBBEAN LATE FRI WITH WINDS OF 50 GUST TO 60 KT. ALTHOUGH FORECASTED TO REMAIN IN TRACK ACROSS CARIBBEAN SEA... T.D. FIVE WINDS...BUILDING SEAS AND ASSOCIATED TSTMS MAY EXTEND N OF GREATER ANTILLES AND INTRUDE INTO SW N ATLC SAT AND SUN. CARIBBEAN SEA AND TROPICAL ATLC W OF 55W... TROPICAL WAVE ALONG 72W ENHANCE FRESH E WINDS WITHIN 240 NM OF AXIS. WAVE MOVE W ACROSS W CARIBBEAN INTO CENTRAL AMERICA BY SAT. PRESENTLY...TROPICAL DEPRESSION FIVE EXPECTED TO BECOME TROPICAL STORM TONIGHT AS IT APPROACHES WINDWARD ISLANDS. HIGHEST WINDS ...30 GUSTS TO 40 KT...AND SEAS TO 10 FT ARE IN NE SEMICIRCLE. WIND AND SEAS INCREASE SIGNIFICANTLY AND QUICKLY AS THE CYCLONE MOVES ACROSS BASIN THROUGH MON. REFER TO WTNT25 KNHC BULLETINS FOR MORE DETAILED INFORMATION ON T.D. FIVE. NOTE...GRIDDED MARINE FORECAST IS AVAILABLE AT WWW.NHC.NOAA.GOV/TAFB/GRIDDED_MARINE GULF OF MEXICO... .NONE. CARIBBEAN SEA... .NONE. SW N ATLANTIC... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT WWW.HURRICANES.GOV/MARINE $$ FORECASTER WALLY BARNES