000
AGXX40 KNHC 051730
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
130 PM EDT SUN MAY 5 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: BLENDED GFS INTO PREVIOUS OFFICIAL GRIDS
WITH HIGH CONFIDENCE

A WEAK 1016 MB HIGH CENTER IS ANALYZED OVER THE WESTERN GULF AT
26N92W. BUOY REPORTS CONTINUE TO SHOW THAT WINDS AND SEAS ARE
CONTINUING TO DECREASE ACROSS THE SE GULF. COLD FRONT ACROSS THE
NW GULF FROM THE MOUTH OF THE MISSISSIPPI TO CORPUS CHRISTI
TEXAS. THE FRONT WILL QUICKLY MOVE ACROSS THE NORTHERN GULF
THROUGH THIS EVENING FOLLOWED BY GENERALLY 15-20 KT W TO NW WINDS.
THESE WINDS WILL DIMINISH LATE TONIGHT AND INTO MON AS THE FRONT
MOVES FURTHER AWAY FROM THE AREA. WEAK HIGH PRES OVER THE NW GULF
WILL MOVE E TO THE CENTRAL GULF LATE TUE INTO EARLY WED...AND TO
THE EASTERN GULF LATE WED INTO THU ALLOWING FOR MODERATE SE RETURN
FLOW TO SET UP OVER THE WESTERN GULF WED AND THU.

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

WEAK PRES PATTERN WITH RELATIVELY LIGHT WINDS AND LOW SEAS
ACROSS THE ENTIRE. TRADE WINDS ARE EXPECTED TO INCREASE ACROSS
THE EASTERN AND CENTRAL CARIBBEAN LATE TUE THROUGH THU AS HIGH
PRES BUILDS OVER THE CENTRAL ATLC BUILDS. MOISTURE IS EXPECTED TO
INCREASE OVER THE EASTERN CARIBBEAN AND NORTHERN TROPICAL N ATLC
THROUGH TUE RESULTING IN SCATTERED SHOWERS AND ISOLATED TSTMS.

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

FRONTAL BOUNDARY ACROSS THE NW PORTION OF THE AREA WILL LIFT NE
BY MON EVENING WHILE WEAKENING. COLD FRONT WILL MOVE ACROSS THE
FAR NW AND N CENTRAL PORTION OF THE AREA LATE TONIGHT INTO
MON...AND TO NE OF THE FORECAST AREA TUE. OTHERWISE A WEAK PRES
PATTERN WILL DOMINATE THE AREA THROUGH THU AS LONG PERIOD NE
SWELLS CONTINUE OVER MUCH OF THE AREA THROUGH LATE TUE.

.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.