000 AGXX40 KNHC 170645 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 245 AM EDT WED JUN 17 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: FOR WINDS 00Z GFS & ECMWF BLENDED WITH PREVIOUS/OFFICIAL FORECAST. FOR WAVE PARAMETERS 06Z TAFB-NWPS. HIGH CONFIDENCE. DOWNGRADED TROPICAL DEPRESSION BILL IS LOCATED INLAND OVER TEXAS NEAR 30.2N 97.0W 1000 MB WITH MAXIMUM SUSTAINED WINDS 30 KT GUSTS TO 40 KT AS OF 1 AM CDT. SOME LINGERING SE-S WINDS OF 20-30 KT REMAIN IN THE NW GULF MAINLY ACROSS ZONE GMZ011 ALONG WITH 8-11 FT SEAS...ALTHOUGH THESE WINDS WILL DIMINISH AND SEAS WILL SUBSIDE BY EARLY THIS AFTERNOON AS BILL CONTINUES TO WEAKEN AND PULL FARTHER AWAY FROM THE OFFSHORE WATERS. MEANWHILE 1020 MB HIGH PRES HAS DEVELOPED IN THE NE GULF NEAR 28N85W. GENTLE TO MODERATE ANTICYCLONE WINDS AND 1-3 FT SEAS WILL PREVAIL ACROSS THE NE HALF OF THE GULF THROUGH THE FORECAST PERIOD ALONG WITH MODERATE TO FRESH E-SE WINDS AND 4-6 FT SEAS ACROSS THE REMAINDER OF THE GULF. AN EXCEPTION WILL BE NW OF THE YUCATAN PENINSULA WHERE DIURNAL TROUGHING WILL INDUCE LOCALLY STRONG WINDS AND SEAS OF 5-7 FT DURING THE OVERNIGHT HOURS INTO THE EARLY MORNING EACH DAY THROUGH THE UPCOMING WEEKEND. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... MODEL PREFERENCE: FOR WINDS 00Z GFS & ECMWF BLENDED WITH PREVIOUS/OFFICIAL FORECAST. FOR WAVE PARAMETERS 06Z TAFB-NWPS. HIGH CONFIDENCE. A STRONG ATLC RIDGE TO THE N OF THE AREA WILL CONTINUE TO INTERACT WITH A SERIES OF TROPICAL WAVES OVER THE NEXT SEVERAL DAYS TO MAINTAIN STRONG TRADE WIND FLOW ACROSS MAINLY THE CENTRAL CARIBBEAN. MODEL GUIDANCE SUGGESTS A RATHER LARGE AREA OF SOLID 30 KT WINDS NW OF NORTHERN COLOMBIA MAINLY DURING THE OVERNIGHT INTO THE EARLY MORNING HOURS FOR THE NEXT FEW NIGHTS AND A GALE WARNING HAS BEEN ISSUED FOR ZONE AMZ031 NW OF THE COAST OF COLOMBIA WHERE SEAS WILL BUILD TO UP TO 14 FT DURING THE STRONGEST WINDS. MEANWHILE EASTERLY WINDS WILL CONTINUE TO PULSE TO 20-25 KT IN THE GULF OF HONDURAS THE NEXT FEW DAYS MAINLY BETWEEN 00-12Z. PERSISTENT MODERATE TO FRESH TRADE WINDS OVER THE TROPICAL N ATLC ALONG WITH EAST SWELL WILL KEEP SEAS APPROACHING 8 FT S OF 15N THROUGH LATE THU...SUBSIDING THEREAFTER. WINDS AND SEAS WILL INCREASE OVER THE TROPICAL N ATLC S OF 15N AGAIN BY SUN AS THE ATLC RIDGE WILL BUILD IN THE WAKE OF A PASSING TROPICAL WAVE. ...SW N ATLANTIC INCLUDING THE BAHAMAS... MODEL PREFERENCE: FOR WINDS 00Z GFS & ECMWF BLENDED WITH PREVIOUS/OFFICIAL FORECAST. FOR WAVE PARAMETERS 06Z TAFB-NWPS. HIGH CONFIDENCE. ATLC RIDGING REMAINS ESTABLISHED ALONG ROUGHLY 28N WHICH IS MAINTAINING GENERALLY GENTLE TO MODERATE ANTICYCLONIC WINDS ACROSS THE NE HALF OF THE SW N ATLC BASIN...AND MODERATE TO FRESH TRADES ELSEWHERE...STRONGEST NEAR THE COAST OF HISPANIOLA. A SERIES OF WEAK FRONTS OR FRONTAL TROUGHS WILL PASS THROUGH THE NE PORTION OF THE BASIN THROUGH THE REMAINDER OF THE WEEK WITH LITTLE IMPACT OTHER THAN BRIEF WIND SHIFTS BEHIND THE BOUNDARIES. OTHERWISE THE FORECAST WILL MAINTAIN GOOD CONSISTENCY WITH THE PREVIOUS ONE AS LITTLE CHANGES ARE EXPECTED TO IMPACT THE BASIN INTO THE UPCOMING WEEKEND. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... NONE. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... .AMZ031...CARIBBEAN FROM 11N TO 15N BETWEEN 72W AND 80W INCLUDING COLOMBIA BASIN... GALE WARNING TONIGHT INTO THU NIGHT. GALE CONDITIONS POSSIBLE FRI NIGHT. .SW N ATLANTIC INCLUDING THE BAHAMAS... NONE. $$ *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 LEWITSKY. NATIONAL HURRICANE CENTER.