000 AGXX40 KNHC 080713 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 313 AM EDT MON AUG 8 2016 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. TAFB-NWPS USED FOR WAVE PARAMETERS. LOW PRESSURE AT 1011 MB IS INLAND OVER NORTHERN FLORIDA WITH A TROUGH EXTENDING TO THE S-SW THROUGH THE NE GULF TO NEAR 26N87W. THIS LOW AND THE TROUGHING WILL LINGER THROUGH THE WEEK... GRADUALLY DRIFTING WESTWARD. THESE FEATURES WILL KEEP ACTIVE CONVECTION ACROSS THE N CENTRAL AND NE GULF. A TROUGH WILL DEVELOP OVER THE YUCATAN PENINSULA BY EACH EVENING BEFORE MOVING OFFSHORE INTO THE SW GULF DURING THE OVERNIGHT HOURS. OTHERWISE...RIDGING WILL EXTEND FROM E TO W ACROSS MAINLY THE CENTRAL GULF WATERS. WINDS WILL BE MODERATE TO FRESH NEAR THE TROUGHING...AND LIGHT TO MODERATE ELSEWHERE. SEAS WILL BE 3-5 FT NEAR THE NE GULF/N CENTRAL GULF TROUGHING THROUGH MID-WEEK...3-5 FT IN THE SW AND WESTERN GULF...AND 2 FT OR LESS NEAR THE RIDGING. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... MODEL PREFERENCE: GLOBAL MODEL CONSENSUS. TAFB-NWPS USED FOR WAVE PARAMETERS. ONE TROPICAL WAVE CURRENTLY OVER THE FAR NW CARIBBEAN ALONG THE EASTERN YUCATAN COAST WILL EXIT THE AREA LATER THIS MORNING. A SECOND TROPICAL WAVE IN THE WESTERN CARIBBEAN ALONG 80W WILL REACH CENTRAL AMERICA TONIGHT...MOVING W OF THE AREA TUE. HIGH PRESSURE RIDGING LOCATED NE OF THE BASIN IS BUILDING IN THE WAKE OF THE SECOND TROPICAL WAVE...TIGHTENING THE PRESSURE GRADIENT. FRESH TO STRONG TRADES ARE INCREASING IN COVERAGE OVER THE CENTRAL CARIBBEAN AS A RESULT...WITH THE WINDS BUILDING FRESH SEAS TO 8-10 FT. THESE CONDITIONS WILL PERSIST THROUGH WED NIGHT WITH WINDS INCREASING TO NEAR GALE FORCE DURING THE OVERNIGHT HOURS JUST NW OF THE COAST OF COLOMBIA AND IN THE GULF OF VENEZUELA LATE TONIGHT THROUGH WED NIGHT. THE PRESSURE GRADIENT WILL THEN WEAKEN AT THE END OF THE WEEK ALLOWING FOR TRADES TO RELAX. ALSO...A SURGE OF FRESH TO STRONG WINDS IS ANTICIPATED IN THE GULF OF HONDURAS DUE A LOCALLY TIGHTER PRESSURE GRADIENT TUE NIGHT BUILDING SEAS TO 8 FT BY EARLY WED. OTHERWISE...TRADES WILL BE MODERATE TO FRESH AND SEAS 4-7 FT. ...SW N ATLANTIC INCLUDING THE BAHAMAS... MODEL PREFERENCE: GLOBAL MODEL CONSENSUS. TAFB-NWPS USED FOR WAVE PARAMETERS. A WEAK TROUGH EXTENDING FROM 28N68W TO 22N70W AND IS SUPPORTED BY AN UPPER LEVEL LOW NEAR 26N68W. THIS TROUGH IS DISRUPTING HIGH PRESSURE RIDGING EXTENDING ACROSS THE NORTHERN WATERS. THE TROUGH WILL REMAIN WEAK WHILE IT DRIFTS NW-N THROUGH THE WEEK. OVERALL... A WEAK PRESSURE GRADIENT WILL PREVAIL THROUGH THE WEEK RESULTING IN FAIRLY TRANQUIL BOATING CONDITIONS OUTSIDE OF ANY CONVECTION. MODERATE TO FRESH WINDS WILL PREVAIL JUST OFFSHORE OF SE GEORGIA AND NE FLORIDA AS WELL AS ACROSS THE SOUTHERN WATERS...PULSING TO STRONG JUST N OF HISPANIOLA AT NIGHT...THROUGH TUE NIGHT... DIMINISHING THEREAFTER...WITH GENTLE TO MODERATE WINDS ELSEWHERE. SEAS WILL BE 3-5 FT THROUGH TUE NIGHT...THEN 2-4 FT THEREAFTER... EXCEPT 2 FT OR LESS INSIDE THE BAHAMAS THROUGHOUT. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS II COLLABORATION CHAT OR BY TELEPHONE: .GULF OF MEXICO... NONE. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... NONE. .SW N ATLANTIC INCLUDING THE BAHAMAS... NONE. $$ *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.