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AGXX40 KNHC 290554
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
154 AM EDT WED JUL 29 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: GFS BLENDED WITH OFFICIAL FORECAST. LATEST MWW3 BLENDED WITH OFFICIAL FORECAST FOR WAVES. HIGH CONFIDENCE.

AN INVERTED THERMAL TROUGH WILL DEVELOP EACH NIGHT OVER THE YUCATAN PENINSULA AND MOVE NW DURING LATE NIGHT THROUGH THE EARLY MORNING HOURS BEFORE DISSIPATING OVER THE SW GULF DURING THE LATE MORNING HOURS. MAINLY FRESH N-NE WINDS AND SEAS OF 4-6 FT WILL BE ASSOCIATED WITH THIS TROUGH. A RIDGE EXTENDING FROM WESTERN CUBA TO THE COAST OF TEXAS WILL CONTINUE TO DOMINATE THE REMAINDER OF THE GULF WATERS PRODUCING MAINLY GENTLE TO MODERATE WINDS AND SEAS GENERALLY UNDER 4 FT. THE RIDGE WILL SHIFT S ON FRI AS A WEAK COLD FRONT MOVES INTO THE N CENTRAL GULF WATERS. WINDS COULD BRIEFLY INCREASE TO 20 KT IN THE WAKE OF THE FRONT.


...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W...

MODEL PREFERENCE: GFS BLENDED WITH OFFICIAL FORECAST. MWW3 BLENDED WITH OFFICIAL FORECAST FOR WAVES. HIGH CONFIDENCE.

MINIMAL GALE FORCE WINDS ACROSS THE SOUTH-CENTRAL CARIBBEAN... PARTICULARLY FROM 11N TO 13N BETWEEN 74W AND 77W WHILE AN WITH SEAS UP TO 15 FT WITHIN THE AREA OF THE GALE FORCE WINDS. THE ATLC RIDGE COMBINED WITH THE COLOMBIAN LOW WILL CONTINUE TO SUPPORT STRONG TO NEAR GALE WARNING FORCE TRADE WINDS OVER THE SOUTH-CENTRAL CARIBBEAN THROUGH TONIGHT WITH BUILDING SEAS OF 12-13 FT. A TROPICAL WAVE EXTENDING FROM JAMAICA TO PANAMA WILL WILL MOVE THROUGH THE W CARIBBEAN. ANOTHER TROPICAL WAVE WILL MOVE INTO THE TROPICAL N ATLC WATERS W OF 55W TODAY AND ENTER THE E CARIBBEAN ON TONIGHT AND INTO THE CENTRAL CARIBBEAN ON THU NIGHT AND THE W CARIBBEAN BY FRI NIGHT.


...SW N ATLANTIC INCLUDING THE BAHAMAS...

MODEL PREFERENCE: GFS BLENDED WITH OFFICIAL FORECAST. MWW3 BLENDED WITH OFFICIAL FORECAST FOR WAVES. HIGH CONFIDENCE.

A RIDGE EXTENDING E TO W ALONG 26N/27N WILL SHIFT A LITTLE S TODAY AS A TROUGH REMAINS NEARLY STATIONARY OVER THE FAR NW WATERS. A WEAK LOW PRES ALONG THE TROUGH WILL MOVE SLOWLY ACROSS THE NW WATERS TODAY AND THU. THEN...THE RIDGE WILL SHIFT N AND STRENGTHEN BY FRI. FRESH TRADES WILL DEVELOP ALONG THE N COAST OF HISPANIOLA AND THE ATLC APPROACH TO THE WINDWARD PASSAGE TO NIGHT THROUGH THU.

$$


.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 EARLY TODAY THROUGH THU.


.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 DGS. NATIONAL HURRICANE CENTER.

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