000
AGXX40 KNHC 080603
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
203 AM EDT SUN SEP 8 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 BLENDED WITH OFFICIAL FORECAST WITH HIGH
CONFIDENCE

RIDGE OF HIGH PRESSURE PREVAILS N OF THE AREA OVER THE GULF COAST
STATES. MOSTLY LIGHT TO GENTLE WINDS PREVAIL OVER THE FORECAST
AREA WITH SEAS 3 FT OR LESS. THE SURFACE RIDGE WILL CONTINUE TO
PREVAIL N OF THE AREA THROUGH THE FORECAST AREA. A SURFACE TROUGH
IS FORECAST TO FORM OVER THE SW GULF BY WED. THIS TROUGH WILL
DRIFT WESTWARD THROUGH THU.

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

MODEL PREFERENCE: GFS BLENDED WITH OFFICIAL FORECAST WITH HIGH
CONFIDENCE

A TROPICAL WAVE IS MOVING THROUGH THE WESTERN CARIBBEAN WILL MOVE
INTO THE YUCATAN PENINSULA TONIGHT. GENTLE TO MODERATE WINDS OVER
THE TROPICAL N ATLC WATERS AND THE EASTERN CARIBBEAN WITH LIGHT TO
GENTLE WINDS OVER THE CENTRAL AND WESTERN CARIBBEAN. SEAS ARE IN
THE 4-6 FT RANGE OVER THE TROPICAL N ATLC WATERS AND EASTERN
CARIBBEAN...AND IN THE 2-3 FT RANGE IN THE CENTRAL AND WESTERN
CARIBBEAN WATERS. WITH THE REMNANT LOW OF GABRIELLE AND A TROUGH
PREVAILING OVER THE SW N ATLC...THE PRES GRADIENT IS WEAK OVER
THE CARIBBEAN. THIS WILL KEEP THE WINDS IN THE LIGHT TO GENTLE
RANGE OVER THE CENTRAL AND WESTERN CARIBBEAN...AND GENTLE TO
MODERATE RANGE OVER THE TROPICAL N ATLC WATERS AND EASTERN
CARIBBEAN. A SURFACE RIDGE WILL BUILD OVER THE SW N ATLC FROM THE
E AS THE TROUGH AND LOW SHIFT NORTHWARD BY EARLY THIS WEEK. THIS
WILL TIGHTEN THE PRESSURE GRADIENT SLIGHTLY OVER THE CENTRAL
CARIBBEAN WATERS AND FRESHEN THE TRADEWIND FLOW MON THROUGH THU.


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

MODEL PREFERENCE: GFS BLENDED WITH OFFICIAL FORECAST WITH HIGH
CONFIDENCE

REMNANT LOW OF GABRIELLE IS JUST NE OF THE DOMINICAN REPUBLIC
NEAR 24N69W 1009 MB WITH TROUGH EXTENDING FROM 31N66W TO THE LOW
TO THE WESTERN DOMINICAN REPUBLIC. STRONG WINDS ARE IN THE E
SEMICIRCLE OF THE LOW. SEAS ARE IN THE 6-8 FT RANGE IN THE E
SEMICIRCLE OF THE LOW...IN THE 5-7 FT RANGE E OF THE TROUGH AND
4-5 FT W OF THE TROUGH AND 1-3 FT W OF THE BAHAMAS. A SURFACE
RIDGE WILL BUILD IN FROM THE E AS THE REMNANT LOW OF GABRIELLE
AND ASSOCIATED TROUGH WILL SLOWLY LIFT NORTHWARD MON THROUGH
WED...THEN START TO DRIFT WESTWARD THU.
 
$$

.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 DGS. NATIONAL HURRICANE CENTER.