000 AGXX40 KNHC 071713 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 113 PM EDT MON JUL 7 2014 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: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL. NWPS USED FOR WAVE PARAMETERS. HIGH CONFIDENCE. THE NORTHERN EXTENSION OF A FAST MOVING TROPICAL WAVE WILL PASS W THROUGH THE BAY OF CAMPECHE TODAY AND TONIGHT. A LOW LEVEL INVERTED TROUGH WILL DEVELOP OVER THE CENTRAL BAY OF CAMPECHE IN THE WAKE OF THE WAVE. THIS INVERTED TROUGH IS EXPECTED TO LOSE IDENTITY EACH NIGHT...AND REDEVELOP DURING THE EARLY AFTERNOONS THROUGH THE PERIOD. A RIDGE EXTENDS W ACROSS FL ALONG 27N THEN TURNS NW TO THE NE TX COAST AND IS EXPECTED TO MEANDER ALONG ROUGHLY THIS POSITION THROUGH THE EXTENDED PERIOD. A SURFACE HIGH WILL DEVELOP INTERMITTENTLY ALONG THE RIDGE AXIS OVER THE EASTERN GULF WATERS...BUT MAINLY DURING THE DAYLIGHT HOURS AS HEAT TROUGHING DEVELOPS OVER THE FL PENINSULA AND DISSECTS THE ATLC RIDGE. EXPECTING 5-10 KT WINDS ACROSS THE GULF WATERS N OF 24N TO INCREASE TO 10-15 KT AROUND THE W PERIPHERY OF THE RIDGE ACROSS THE W-CENTRAL AND NW GULF LATE LATER THIS AFTERNOON. THE GRADIENT WILL FURTHER TIGHTEN TONIGHT WITH THESE E-SE 15 KT CONDITIONS SPREADING E ACROSS THE WATERS FROM 22-25N TO THE W OF 87W BY MID WEEK AND THEN CONTINUING THROUGH THE REMAINDER OF THE PERIOD. NE-E 10-15 KT WINDS ARE EXPECTED OVER THE SOUTHERN WATERS...EXCEPT ENHANCED TO 15-20 KT ALONG THE YUCATAN PENINSULA AND EASTERN BAY OF CAMPECHE THIS EVENING AND TUE EVENING. GUIDANCE CONTINUES TO SUGGEST THE TIGHTER GRADIENT DURING MID WEEK WILL SUPPORT 20-25 KT WINDS ALONG THE WESTERN YUCATAN PENINSULA EACH EVENING STARTING ON WED EVENING. ...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL. NWPS USED FOR WAVE PARAMETERS. MED CONFIDENCE. A FAST MOVING TROPICAL WAVE OVER THE W CARIBBEAN WILL MOVE W OF THE CARIBBEAN ON TUE. A SECOND TROPICAL WAVE E OF THE AREA WILL PASS THE TROPICAL ATLC WATERS S OF 15N ON WED NIGHT AND THU...AND PASS THROUGH THE SE CARIBBEAN LATE IN THE WEEK. STRONG TRADES WILL CONTINUE ACROSS MOST OF THE CENTRAL AND SW CARIBBEAN THROUGH THE PERIOD...WITH AN AREA OF NEAR GALE CONDITIONS DEVELOPING ALONG THE N COAST OF COLOMBIA TODAY...AND SPREADING W ACROSS THE CARIBBEAN WATERS FROM 12-15N BETWEEN 73-79W LATE TONIGHT. THE GRADIENT WILL RELAX SOME ON TUE MORNING WITH ONLY SPOTTY AREAS OF EMBEDDED 30 KT WINDS BY TUE AFTERNOON. THE GRADIENT WILL TIGHTEN AGAIN EACH NIGHT AND RELAX A LITTLE DURING DAYLIGHT HOURS THROUGH THE REMAINDER OF THE PERIOD. MODERATE TO FRESH TRADES EXPECTED ELSEWHERE. ...SW N ATLANTIC INCLUDING THE BAHAMAS... MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL. NWPS USED FOR WAVE PARAMETERS. MED-HIGH CONFIDENCE. A RIDGE EXTENDING FROM 30N57W TO FORT PIERCE FL WILL SHIFT SLIGHTLY N TO ACROSS PORT CANAVERAL FL BY MID WEEK...THEN ONLY MEANDER THROUGH THE REST OF THE FORECAST PERIOD. THE SOUTHERLY FLOW N OF 30N W OF 70W WILL INCREASE TO 15-20 KT TODAY...THEN DIMINISH TO 10-15 KT TONIGHT. A PATTERN WILL SET UP ON TUE WITH SW 10-15 KT WINDS EXPECTED N OF THE RIDGE EACH NIGHT...AND DIMINISHING TO 10 KT DURING DAYLIGHT HOURS. EASTERLY TRADES S OF THE RIDGE ARE EXPECTED TO CONTINUE AT 15-20 KT ACROSS THE WATERS S OF 25N...WITH LATE AFTERNOON TO EARLY EVENING 20-25 KT PULSES ALONG THE N COAST OF HISPANIOLA AND THE EASTERN APPROACH TO THE WINDWARD PASSAGE. $$ .WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE: .GULF OF MEXICO... NONE. .CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W... NONE. .SW N ATLANTIC INCLUDING THE BAHAMAS... NONE. $$ *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 NELSON. NATIONAL HURRICANE CENTER.