000
AGXX40 KNHC 131756
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
156 PM EDT SAT JUL 13 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/OFFICIAL BLEND WITH GOOD CONFIDENCE.

WEAK HIGH PRES 1015 MB ACROSS NW GULF WITH WEAK 1012 MB LOW OVER
THE N CENTRAL GULF WITH A TROUGH FROM THE FLORIDA BIG BEND TO THE
LOW AT 28N88W THE TROUGH CONTINUES TO 23N88W. VERY WEAK PRES
PATTERN ACROSS THE GULF MAINTAINS LIGHT TO GENTLE BREEZE AND SEAS
BELOW 3 FT OVER ENTIRE BASIN. TROUGH AND LOW PRES DISSIPATE AND
RIDGE REBUILDS LATE TONIGHT. MODEL GUIDANCE AGREE WITH THIS
SCENARIO WITH ONLY VERY MINOR DIFFERENCES.

...CARIBBEAN SEA AND TROPICAL N ATLANTIC...                    
MODEL PREFERENCE: GFS/OFFICIAL BLEND WITH GOOD CONFIDENCE.

WEAK LOW PRES CENTER FORMING OVER NW COLOMBIA MAINTAINS TIGHT
GRADIENT WITH ATLC RIDGE TO THE N WITH FRESH TO STRONG E-NE
BREEZE AND 8-9 FT SEAS ACROSS CENTRAL CARIBBEAN THROUGH WED.
TROPICAL WAVE OVER WESTERN CARIBBEAN ALONG 86W WILL MOVE W INTO
YUCATAN PENINSULA LATER TODAY. SECOND TROPICAL WAVE CURRENTLY
OVER CENTRAL ATLC APPROACH 55W TUE WITH INCREASE IN WINDS AND
SEAS.

...SW N ATLANTIC W OF 55W INCLUDING THE BAHAMAS...               
MODEL PREFERENCE: GFS/OFFICIAL BLEND WITH GOOD CONFIDENCE.

ONLY AN INCREASE IN CLOUDS AND PRECIPITATION IS LEFT FROM THE 
REMNANTS OF CHANTAL MOVING N OF THE BAHAMAS. NO SIGNS OF TROPICAL
ORGANIZATION IS NOTED NOR EXPECTED BY MODEL GUIDANCE.THIS
CONVECTION WILL WEAKEN AND MOVE N MON.

$$

.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.