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AGXX40 KNHC 041751
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
151 PM EDT TUE AUG 4 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: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL FORECAST FOR WINDS. LATEST MWW3 BLENDED WITH PREVIOUS/OFFICIAL FORECAST FOR WAVE PARAMETERS. HIGH CONFIDENCE.

RIDGE ACROSS THE GULF REGION ALONG 26N. A HIGH PRES CENTER WILL DEVELOP ALONG THE RIDGE OVER THE E GULF WED AND SHIFT N THROUGH THUI. A TROUGH WILL DEVELOP EACH NIGHT OVER THE YUCATAN PENINSULA AND MOVE NW DURING LATE NIGHT THROUGH EARLY MORNING HOURS BEFORE DISSIPATING OVER THE SW GULF.MAINLY GENTLE TO MODERATE WINDS WILL PREVAIL WITH SEAS GENERALLY UNDER 4 FT.


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

MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL FORECAST FOR WINDS. LATEST MWW3 BLENDED WITH PREVIOUS/OFFICIAL FORECAST FOR WAVE PARAMETERS. HIGH CONFIDENCE.

ATLC RIDGING COMBINED WITH LOW PRESSURE OVER NW COLOMBIA WILL CONTINUE TO SUPPORT FRESH TO STRONG TRADE WINDS OVER THE SOUTH- CENTRAL CARIBBEAN...WITH WINDS REACHING NEAR GALE TO GALE FORCE DURING THE EARLY MORNING HOURS ALONG THE COAST OF COLOMBIA TONIGHT/EARLY WED. A TROPICAL WAVE NEAR 80W IS FORECAST TO MOVE W OF THE AREA THU. ANOTHER TROPICAL WAVE IS EXPECTED IN THE TROPICAL N ATLC WED NIGHT...REACHING THE EASTERN CARIBBEAN BY THU NIGHT AND THE CENTRAL CARIBBEAN BY FRI NIGHT AND SAT.


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

MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL FORECAST FOR WINDS. LATEST MWW3 BLENDED WITH PREVIOUS/OFFICIAL FORECAST FOR WAVE PARAMETERS. HIGH CONFIDENCE.

RIDGE AXIS FROM 31N65W TO SOUTH FLORIDA WILL REMAIN STATIONARY THROUGH FRI. THE PRESSURE GRADIENT BETWEEN THIS RIDGE AND NORTHEASTWARD MOVING TROUGH JUST OFF THE GEORGIA COAST WILL ALLOW FOR A FRESH TO STRONG SOUTHERLY WINDS OVER NW WATERS THROUGH LATE TODAY. AN INVERTED TROUGH WILL BUILD OVER E WATERS WED THROUGH FRI AS THE RIDGE TO ITS NORTH WEAKENS. FRESH TO LOCALLY STRONG TRADES WILL DEVELOP ALONG THE N COAST OF HISPANIOLA EACH NIGHT THROUGH WED NIGHT.

$$


.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 WED.


.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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