000
AGXX40 KNHC 270720
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
320 AM EDT SAT JUL 27 2013

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/ECMWF/OFFICIAL BLEND WITH GOOD CONFIDENCE.

WEAK HIGH PRES OVER THE SOUTH-CENTRAL GULF WILL DRIFT EASTWARD 
TOWARD THE STRAITS OF FLORIDA THROUGH SUN. WEAK STATIONARY FRONT 
N OF THE REGION WILL BECOME DIFFUSE LATER TODAY. LIGHT TO GENTLE 
BREEZE EXPECTED THROUGHOUT REGION EXCEPT A LITTLE STRONGER ALONG 
TX COAST THROUGH MON. FORECAST GUIDANCE IS IN GOOD AGREEMENT AND 
LITTLE CHANGE IS EXPECTED THROUGH FORECAST PERIOD. SEAS EXPECTED 
TO REMAIN 3 FT OR LESS THROUGH WED.

...CARIBBEAN SEA AND TROPICAL N ATLANTIC...                    
MODEL PREFERENCE: GFS/ECMWF/OFFICIAL BLEND WITH GOOD CONFIDENCE. 
NWPS WAS USED FOR WAVE HEIGHT AND WAVE PERIOD.

PRES GRADIENT BETWEEN RIDGE TO THE N AND LOW PRES OVER COLOMBIA 
MAINTAINS FRESH TO STRONG E WINDS ACROSS MOST OF THE CENTRAL 
CARIBBEAN...WITH HIGHEST WINDS NEAR THE COAST OF COLOMBIA. T.S. 
DORIAN...APPROACHING NORTHERN PORTION OF THE TROPICAL N ATLC... 
IS EXPECTED TO WEAKEN INTO A REMNANT LOW BY THE TIME IT REACHES 
THE VIRGIN ISLANDS AND PUERTO RICO SUN NIGHT. MARINE WEATHER 
CONDITIONS WILL IMPROVE SIGNIFICANTLY BEHIND DORIAN SUN THROUGH 
WED IN THE TROPICAL N ATLC...WHILE LITTLE CHANGE IS EXPECTED IN 
THE CARIBBEAN THROUGH WED.

...SW N ATLANTIC W OF 55W INCLUDING THE BAHAMAS...               
MODEL PREFERENCE: GFS/OFFICIAL BLEND WITH MODERATE CONFIDENCE. 
NWPS WAS USED FOR WAVE HEIGHT AND WAVE PERIOD.

WEAK STATIONARY FRONT OFF THE EAST COAST OF FLORIDA WILL LIFT NE 
AND DISSIPATE N OF AREA TODAY. HIGH PRES RIDGE ALONG 28N WILL 
REMAIN IN PLACE THROUGH WED WHILE WHAT IS LEFT OF T.S. DORIAN AS 
A REMNANT LOW OR STRONG TROPICAL WAVE MOVES RAPIDLY W-NW S OF 
THE RIDGE THROUGH THE SOUTHERN BAHAMAS SUN NIGHT THROUGH WED.  
REFER TO LATEST FORECAST/ADVISORY AWIPS/WMO HEADERS MIATCMAT4/ 
WTNT24 KNHC AND PUBLIC ADVISORY AWIPS/WMO HEADERS MIATCPAT4/ 
WTNT34 KNHC FOR MORE DETAILS ON TROPICAL STORM DORIAN.

$$

.WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE
COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE:

.GULF OF MEXICO...
GMZ011...NONE.
GMZ013...NONE.
GMZ015...NONE.
GMZ017...NONE.
GMZ019...NONE.
GMZ021...NONE.
GMZ023...NONE.
GMZ025...NONE.

.CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN
55W AND 64W...
AMZ011...NONE.
AMZ013...NONE.
AMZ015...NONE.
AMZ017...NONE.
AMZ019...NONE.
AMZ021...NONE.
AMZ023...NONE.
AMZ025...NONE.
AMZ027...NONE.
AMZ029...NONE.
AMZ031...NONE.
AMZ033...NONE.
AMZ035...NONE.
AMZ037...NONE.
AMZ039...NONE.

.SW N ATLANTIC INCLUDING THE BAHAMAS...
AMZ111...NONE.
AMZ113...NONE.
AMZ115...NONE.
AMZ117...NONE.
AMZ119...NONE.
AMZ121...NONE.
AMZ123...NONE.
AMZ125...NONE.
AMZ127...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.HURRICANES.GOV/MARINE

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.