000
AGXX40 KNHC 200540
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
140 AM EDT MON MAY 20 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...GFS BLENDED WITH OFFICAL FORCAST WITH HIGH
CONFIDENCE.

A SURFACE RIDGE EXTENDS ALONG ROUGHLY 27N ACROSS THE GULF. MODERATE
TO FRESH SE FLOW OVER MUCH OF THE WESTERN GULF BETWEEN THE RIDGE
TO THE EAST AND LOW PRES OVER NW TEXAS. THE RIDGE WILL WEAKEN
THROUGH WED AND WINDS TO DIMINISH OVER THE WESTERN GULF.

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

MODEL PREFERENCE: GFS BLENDED OFFICIAL FORECAST WITH HIGH
CONFIDENCE.

THE COMBINATION OF A TROPICAL WAVE OVER NORTHERN SOUTH AMERICA
AND THE HIGH PRES OVER THE WESTERN ATLC WILL MAINTAIN MODERATE TO
FRESH TRADE WINDS MOST OF THE CARIBBEAN...WITH THE STRONGEST WINDS
NEAR THE COAST OF COLOMBIA TODAY THEN DECREASE SOME TUE THROUGH
FRI.

...SW N ATLANTIC INCLUDING THE BAHAMAS... 
MODEL PREFERENCE: GFS BLEND WITH OFFICIAL FORECAST WITH HIGH
CONFIDENCE.

A COLD FRONT ACROSS THE NE PORTION OF THE AREA FROM 29N65 TO
30N70W TO 31N27W. HIGH PRES BUILDS BEHIND THE FRONT WILL MAINTAIN
MODERATE TO FRESH TRADES S OF 25N. THE AREA OF MODERATE TO FRESH
SE WINDS WILL EXPAND TO COVER ALL OF THE BAHAMAS TO THE NE FLORIDA
COAST AS THE HIGH PRES MOVES EAST.
 
$$
.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.