000
AGXX40 KNHC 071730
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
130 PM EDT TUE MAY 7 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: BLEND OF GFS INTO PREVIOUS OFFICIAL GRIDS WITH
HIGH CONFIDENCE
 
WEAK TROUGH FROM FLORDIA BIG BEND TO 28N87W WILL MOVE E OF THE
AREA THIS AFTERNOON. HIGH PRES OF 1018 MB NEAR 27N94W WILL MOVE
TO THE CENTRAL GULF WED...AND TO THE EASTERN GULF BY LATE WED
THEN BECOME STATIONARY THROUGH SAT. THE COMBINATION OF THIS HIGH
AND LOW PRES FORECAST TO DEVELOP OVER THE SOUTHERN PLAINS WILL
ALLOW FOR MODERATE TO FRESH SOUTHERLY RETURN FLOW TO SET UP OVER
THE WESTERN GULF WED THROUGH LATE FRI. WEAK COLD FRONT WILL MOVE
INTO THE NW GULF ON SAT.

...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN
55W AND 64W...
MODEL PREFERENCE: BLEND OF GFS INTO PREVIOUS OFFICIAL GRIDS WITH
HIGH CONFIDENCE

WEAK PRES PATTERN WITH RELATIVELY LIGHT WINDS AND LOW SEAS WILL
REMAIN OVER MOST THE AREA. TRADE WINDS ARE EXPECTED TO INCREASE
ACROSS THE EASTERN AND CENTRAL CARIBBEAN TONIGHT THROUGH SAT AS
HIGH PRES OVER THE CENTRAL ATLC BUILDS. A SURFACE TROUGH S OF 18N
ALONG 69W WILL MOVE SLOWLY W THROUGH WED NIGHT BEFORE BECOMING
DIFFUSE.

...SW N ATLANTIC INCLUDING THE BAHAMAS...                   
MODEL PREFERENCE: BLEND OF GFS INTO PREVIOUS OFFICIAL GRIDS WITH
HIGH CONFIDENCE

WEAKENING COLD FRONT FROM 31N75W TO THE NORTHERN BAHAMAS WILL
EXTEND FROM 31N75W TO THE CENTRAL BAHAMAS AND TO NW CUBA BY THIS
EVENING AND FROM NEAR 31N74W TO THE CENTRAL BAHAMAS BY LATE WED
AFTERNOON AND EARLY EVENING. THE FRONT WILL THEN BECOME STATIONARY
AND FURTHER WEAKEN INTO A TROUGH NEAR 71W/72W BY THU...AND LINGER
INTO SAT. A WEAK TROUGH WILL MOVE ACROSS THE NW PORTION ON WED
BEFORE DISSIPATING OVER THE N CENTRAL PORTION ON THU. WEAK COLD
FRONT IS EXPECTED TO APPROACH THE FLORIDA NE COAST LATE SAT.
OTHERWISE WEAK HIGH PRES WILL REMAIN ACROSS THE AREA THROUGH SAT.

.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.