000
AGXX40 KNHC 261828
MIMATS

AGXX40 KNHC DDHHMM
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
230 PM EDT FRI APR 26 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...STATIONARY FRONT EXTENDS FROM 29N83W TO 
MOBILE ALABAMA DISSIPATES LATER TODAY.  HEALTHY HIGH PRES 1032 
BUILDS SW IN ITS WAKE PROVIDES GENTLE TO MODERATE ANTICYCLONIC
FLOW ACROSS ENTIRE BASIN THROUGH WED. OVER MUCH OF THE AREA FROM
THE U.S. EASTERN SEABOARD LATE TODAY THROUGH TUE.  MODEL 
GUIDANCE DIVERGE AT THE END OF FORECAST PERIOD WITH MAGNITUDE OF
WIND SPEED ON RETURN FLOW BUT DIFFERENCE IS MINIMAL WITH ECMWF A
NOTCH HIGHER. 

...SW N ATLANTIC INCLUDING THE BAHAMAS...
TROUGH EXTENDS FROM 29N67W TO 19N66W DRIFTING W THROUGH SAT THEN
WEAKENING AND BECOMING DIFFUSE BY SUN.  TAIL END OF COLD FRONT
MOVED INTO NW EARLIER TODAY AND CONTINUES ITS EASTERLY DRIFT
WITH ONLY A MINOR SHIFT IN ITS MODERATE BREEZE DIRECTION MORE TO
THE NE.  OTHERWISE...ONLY SCATTERED SHOWERS N OF 29N EXPECTED AS
ITS IMPACT SINCE SEAS OUGHT TO REMAIN BELOW 6 FT.  EASTERNMOST
LONGITUDES EXPECTED TO FEEL LARGE LONG PERIOD NE-E SWELL EFFECT
LATE IN PERIOD PROMPTED BY MAJOR ATLC LOW PRES WELL E OF BASIN.
MOST GUIDANCE IN GOOD AGREEMENT WITH THIS SCENARIO. 

...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 
55W AND 64W...
GENTLE TO MODERATE EASTERLY BREEZE PERSIST ACROSS MOST OF REGION
THROUGH TUE...EXCEPT FRESH TO STRONG NE BREEZE ALONG EASTERN 
COAST OF COLOMBIA.  THE LATTER WILL DIMINISH BY SUN AND BECOME
MODERATE TRADES THROUGH REMAINDER OF FORECAST PERIOD. 

.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 WALLY BARNES.  NATIONAL HURRICANE CENTER.