000
AGXX40 KNHC 091803
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
203 PM EDT MON SEP 9 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 WHILE THE NORTHERN EXTENT OF A TROPICAL WAVE IS MOVING
THROUGH THE SW GULF WATERS. LATEST SATELLITE DERIVED WINDS AND
SEAS ALONG WITH SHIP...BUOY...AND CMAN DATA DEPICT GENTLE TO
MODERATE WINDS PREVAIL OVER THE FORECAST AREA WITH SEAS IN THE 2
TO 4 FT RANGE. THE TROPICAL WAVE WILL MOVE W OF THE AREA BY TUE
WHILE THE SURFACE RIDGE WILL CONTINUE TO CONTINUE N OF THE AREA
THROUGH THE FORECAST PERIOD. A SURFACE TROUGH AND LOW PRESSURE
CENTER IS FORECAST TO FORM OVER THE SW GULF BY MID WEEK. THE
TROUGH AND LOW WILL DRIFT WESTWARD THROUGH FRI.

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

MODEL PREFERENCE: GFS BLENDED WITH OFFICIAL FORECAST WITH HIGH
CONFIDENCE

BROAD TROUGHING PREVAILS N OF THE AREA OVER THE SW N ATLC WITH A
SURFACE RIDGE STARTING TO BUILD IN FROM THE WEST. LATEST
SATELLITE DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN
DATA INDICATE GENTLE TO MODERATE WINDS OVER THE TROPICAL N ATLC
WATERS AND THE WESTERN HALF OF THE CARIBBEAN WITH MODERATE TO
FRESH WINDS OVER THE EASTERN HALF OF THE CARIBBEAN. SEAS ARE IN
THE 4-6 FT RANGE OVER THE TROPICAL N ATLC...4-7 FT OVER THE
EASTERN HALF OF THE CARIBBEAN...AND 2-4 FT OVER THE WESTERN HALF
OF THE CARIBBEAN. A SURFACE RIDGE WILL CONTINUE TO BUILD OVER THE
SW N ATLC FROM THE E AS THE TROUGH MOVES FURTHER NORTHWARD AND
DISSIPATES BY MID WEEK. THIS WILL MAINTAIN THE PRESSURE GRADIENT
OVER THE CENTRAL CARIBBEAN WITH FRESH TRADEWIND FLOW THROUGH FRI.


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

MODEL PREFERENCE: GFS BLENDED WITH OFFICIAL FORECAST WITH HIGH
CONFIDENCE

THE REMNANT LOW OF GABRIELLE IS CENTERED NEAR 26N68W WITH TROUGH
OVER THE EASTERN PORTION OF THE AREA. LATEST SATELLITE DERIVED
WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN DATA INDICATE
FRESH TO STRONG WINDS ARE OVER THE EAST SEMICIRCLE OF THE LOW AND
MODERATE TO FRESH WINDS OVER THE REMAINDER OF THE AREA EAST OF THE
TROUGH WHILE LIGHT TO GENTLE WINDS PREVAIL W OF THE TROUGH. SEAS
ARE IN THE 6-8 FT RANGE IN THE E SEMICIRCLE OF THE LOW...IN THE
5-6 FT RANGE E OF THE TROUGH...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 AND DISSIPATE BY MID WEEK.
 
$$

.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 AL. NATIONAL HURRICANE CENTER.