000
AGXX40 KNHC 150704
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
305 AM EDT TUE APR 15 2014

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 PREVIOUS FORECAST. MODERATE 
TO HIGH CONFIDENCE.

SYNOPTIC DATA AND ASCAT SCATTEROMETER PASS AT 0300 UTC SHOW GALE 
FORCE WINDS IN NW GULF BEHIND A COLD FRONT FROM MISSIPPI DELTA 
TO NORTHERN MEXICO. MODEL GUIDANCE CONTINUES TO SHOW STRONGEST 
WINDS WILL BE ALONG THE VERACRUZ COAST OF MEXICO LATER TODAY AND 
IN THE WESTERN BAY OF CAMPECHE THIS EVENING...WITH MAXIMUM WINDS 
REACHING STORM FORCE CLOSE TO 50 KT. SEAS ARE EXPECTED TO BUILD 
TO NEAR 20 FT IN AREA OF MAX WINDS. WINDS AND SEAS WILL RAPIDLY 
DIMINISH TONIGHT. THE FRONT WILL LOSE MUCH OF ITS VIGOR TONIGHT 
AND WED AS FORCING HIGH PRES SHIFTS NE INTO THE EASTERN U.S.

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

MODEL PREFERENCE: GFS BLENDED WITH PREVIOUS FORECAST. HIGH 
CONFIDENCE.

THE SUBTROPICAL RIDGE N OF THE AREA WILL SHIFT EASTWARD TODAY AS 
A COLD FRONT MOVES ACROSS THE GULF OF MEXICO INTO THE SW N ATLC 
TONIGHT. MODELS BRING COLD FRONT CLOSE TO THE YUCATAN CHANNEL 
TONIGHT THEN WASH IT OUT COMPLETELY BY WED AFTERNOON. LACK OF 
RIDGING TO THE N WILL MAINTAIN MODERATE TO FRESH WINDS IN THE 
CENTRAL CARIBBEAN...WITH HIGHEST WINDS NEAR THE COLOMBIAN COAST. 

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

MODEL PREFERENCE: GFS BLENDED WITH THE PREVIOUS FORECAST. HIGH 
CONFIDENCE.

THE COLD FRONT EXITING THE GULF WILL MOVE INTO THE SW N ATLC  
LATE THIS AFTERNOON AND REACH FROM 32N75W TO SOUTH FLORIDA LATE 
TONIGHT. THE FRONT WILL RAPIDLY LOSE ITS THERMAL AND MOISTURE 
CONTRAST TONIGHT. EXPECT 20-25 KT NW WINDS BEHIND THE FRONT 
INITIALLY TO DIMINISH TO AROUND 15 KT WED AFTERNOON AND VEER NE.

$$

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

.GULF OF MEXICO...
.GMZ011...NW GULF INCLUDING STETSON BANK...
     GALE WARNING. 
.GMZ017...W CENTRAL GULF FROM 22N TO 26N W OF 94W...
     GALE WARNING. 
.GMZ023...SW GULF S OF 22N W OF 94W...
     STORM WARNING.     
     GALE WARNING TONIGHT.
.GMZ025...E BAY OF CAMPECHE INCLUDING CAMPECHE BANK...
     GALE WARNING. 

.CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN
55W AND 64W...
     NONE.

.SW N ATLANTIC INCLUDING THE BAHAMAS...
     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.HURRICANE WARNINGS.GOV/MARINE

$$

.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.