000 AGXX40 KNHC 251852 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 252 PM EDT THU JUN 25 2015 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W...AND THE SW N ATLANTIC INCLUDING THE BAHAMAS. ...GULF OF MEXICO... MODEL PREFERENCE: GLOBAL MODEL CONSENSUS A WEAK RIDGE REMAINS OVER THE NE AND N CENTRAL GULF THIS MORNING AND IS YIELDING LIGHT TO GENTLE WINDS ACROSS THE BASIN...EXCEPT FOR FRESH NE WINDS OFF THE NW COAST OF YUCATAN AND ACROSS MUCH OF ERN PORTIONS OF BAY OF CAMPECHE...ASSOCIATED WITH YUCATAN THERMAL TROUGH AND N PORTIONS OF TROPICAL WAVE COMING IN SYNCH AND SHIFTING WWD. FLOW THROUGH ISTHMUS OF TEHUANTEPEC HAS INDUCED NLY GALE WARNINGS ON PACIFIC SIDE AHEAD OF THIS WAVE. THIS TROUGH WILL MOVE W AND CROSS BAY OF CAMPECHE TODAY. UPPER LEVEL LOW IS CENTERED OVER THE SW GULF NEAR 21N93W ENHANCING SCATTERED SHOWERS. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... MODEL PREFERENCE: GFS-ECMWF CONSENSUS BROAD ATLC RIDGE REMAINS IN PLACE TODAY...WITH ANCHORING HIGH NEAR 28N47W. THIS SYNOPTIC PATTERN CONTINUES TO ALLOW FOR FAST TROPICAL WAVE MOTION ACROSS THE TROPICS. THIS HIGH TOGETHER WITH THE NORTH COLOMBIAN LOW IS PRODUCING A TIGHT PRES GRADIENT ACROSS THE CENTRAL CARIB. GALE WARNINGS CONTINUE OFF OF COLOMBIA EXTENDING N TO ABOUT 14N TODAY...UNUSUAL FOR SUMMER. GALE AND NEAR GALE WINDS ARE ALSO EXPECTED THROUGH MON. STRONG TROPICAL WAVE IS MOVING ACROSS CENTRAL AMERICA ALONG 84W. THE NEXT TROPICAL WAVE IS ALONG 60W AND WILL TRAVERSE THE CARIBBEAN SEA AND CENTRAL AMERICA THROUGH SUN. BROAD ZONE OF STRONG TRADES HAVE SPREAD INTO GULF OF HONDURAS AND COAST OF NICARAGUA TODAY AND WILL PERSIST THROUGH THE WEEKEND. OFFSHORE SEAS HAVE BUILT TO 7-11 FT S OF 18N W OF 80W AND WILL REMAIN UP THROUGH THE WEEKEND...WHILE PEAK SEAS OFFSHORE OF COLOMBIA AND DOWNSTREAM WILL BUILD 15-17 FT. SAL IS NOW BUILDING INTO ERN CARIB AHEAD OF NEXT TROPICAL WAVE AND WILL PRODUCE STABLE HAZE CONDITIONS WITH FRESH TRADES AND SEAS 6-8 FT GENERALLY THROUGH THE WEEKEND. A VERY LOW AMPLITUDE AND LOW LATITUDE TROPICAL WAVE CURRENTLY ALONG ABOUT 43W WILL ACCELERATE AND MOVE ABOUT 8 DEGREES PER DAY. IT IS BEING PUSHED BY A 40-45 KT LOW LEVEL TROPICAL JET. THIS WAVE WILL MOVE QUICKLY ACROSS THE TROPICAL N ATLC WATERS FRI NIGHT AND MORE WNW ACROSS THE ERN CARIB SAT...WITH THIS AEJ HITTING THE LEEWARDS AND NE CARIB ISLANDS SAT NIGHT AND LIKELY TO PRODUCE VERY BRIEF BUT SQUALLY WEATHER AND GALE WARNING FORCE WIND GUSTS IN CNVTN. ...SW N ATLANTIC INCLUDING THE BAHAMAS... MODEL PREFERENCE: GLOBAL MODEL CONSENSUS ATLC RIDGE REMAINS WELL ESTABLISHED ACROSS THE CENTRAL ATLC WITH ANCHORING 1029 MB HIGH NEAR 28N47W EXTENDING ALONG 28N-29N TO S FLORIDA. INDUCED PRES GRADIENT PRODUCING FRESH E TO ESE TRADES S OF 24N E OF 76W TODAY. PRES GRADIENT AND LLVL JET ASSOCIATED WITH PASSING TROPICAL WAVES TO INDUCE STRONG AFTERNOON THERMALS ALONG N COASTS OF GREATER ANTILLES NEXT SEVERAL DAYS...WITH GFS FORECASTING WINDS PEAKING MOST DAYS AROUND 25-30 KT AT 00Z ALONG N COAST OF HISPANIOLA WHERE SEAS WILL BUILD 7-9 EACH LATE AFTERNOON AND EVENING...WHILE WINDS REACH SOLID 25 KT OFF PORTIONS OF N COAST OF PUERTO RICO AND NEAR 20 KT NE CUBA. UPPER LOW IS PRESENTLY CENTERED NEAR 25N67W ENHANCING CONVECTION OVER HE NORTHERN BAHAMAS. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... NONE. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... .AMZ031...CARIBBEAN FROM 11N TO 15N BETWEEN 72W AND 80W INCLUDING COLOMBIA BASIN... GALE WARNING TODAY INTO FRI. GALE CONDITIONS POSSIBLE SAT INTO TUE NIGHT. .AMZ033...CARIBBEAN S OF 15N BETWEEN 64W AND 72W INCLUDING VENEZUELA BASIN... GALE WARNING TONIGHT. GALE CONDITIONS POSSIBLE SAT NIGHT. GALE CONDITIONS POSSIBLE SUN NIGHT. GALE CONDITIONS POSSIBLE TUE NIGHT. .SW N ATLANTIC INCLUDING THE BAHAMAS... NONE. $$ *FOR DETAILED ZONE DESCRIPTIONS PLEASE VISIT: HTTP://WWW.NHC.NOAA.GOV/ABOUTTAFBPROD.SHTML#OWF NOTE: GRIDDED MARINE FORECASTS ARE AVAILABLE IN THE NATIONAL DIGITAL FORECAST DATABASE (NDFD) AT: HTTP://WWW.NHC.NOAA.GOV/MARINE/GRIDS.PHP FOR ADDITIONAL INFORMATION PLEASE VISIT: HTTP://WWW.HURRICANE WARNINGS.GOV/MARINE $$ .FORECASTER FORMOSA. NATIONAL HURRICANE CENTER.