000
AGXX40 KNHC 241752
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
152 PM EDT TUE SEP 24 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 BLENDED WITH OFFICIAL WITH HIGH CONFIDENCE.

A 1005 MB LOW PRES CENTERED NEAR 27N94W REMAINS QUASI-STATIONARY
TODAY THEN WEAKENS AS IT DRIFTS E-NE THROUGH LATE WED...MOVING
INLAND NEAR MOBILE ALABAMA THU. WITH NO UPPER LEVEL SUPPORT LOW
PRES IS NOT ABLE TO SUSTAIN ANY WINDS OF CONSEQUENCE TODAY BARELY
MAINTAINING WINDS 10-15 KT WITH SEAS 3 TO 4 FT. ELSEWHERE N OF
25N SEAS 3-4 FT AND 1-2 FT S OF 25N. HIGH PRES BUILDS OVER GULF
FRI AND SAT DIMINISHING WINDS TO A LIGHT TO GENTLE BREEZE ACROSS
ENTIRE BASIN WITH SEAS BELOW 3 FT.

...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN
55W AND 65W...

MODEL PREFERENCE: GFS BLENDED WITH OFFICIAL WITH HIGH CONFIDENCE.

FRESH TRADES CONTINUE TODAY ACROSS THE CENTRAL CARIBBEAN WITH SEAS
7 TO 9 FT WHILE MODERATE E-SE FLOW REMAINS ACROSS THE REMAINDER
OF THE AREA. HIGH PRES RIDGE OVER E CENTRAL ATLC MOVES S BY THU
FORCED BY SERIES OF FRONTAL BOUNDARIES BETWEEN 28N-31N. RIDGE
EFFECTIVELY FLATTENS PRES GRADIENT ACROSS THE CARIBBEAN THROUGH
SUN ALLOWING WINDS TO DECREASE WITH SEAS SUBSIDING TO 4-5 FT IN
CENTRAL CARIBBEAN AND 2-3 FT ELSEWHERE. WEAK TROPICAL WAVE
APPROACHING TROPICAL N ATLC LATER TODAY THEN MOVE W THROUGH WED
AND GRADUALLY DISSIPATE THROUGH THU WITH LITTLE OR NO IMPACT IN
TROPICAL N ATLC ZONE.

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

MODEL PREFERENCE: GFS BLENDED WITH OFFICIAL WITH MODERATE
UNCERTAINTY.

COLD FRONT FROM 30N65W TO 27N70W THEN STATIONARY TO NE FLORIDA.
LOW PRES WILL DEVELOP ALONG THE FRONT TONIGHT NEAR 29N79W. SW-W
WINDS AND SEAS INCREASE ON SE QUADRANT OF 1008 MB LOW PRES. THE
LOW WILL MOVE E TO 29N68W LATE WED AND PASS S OF BERMUDA LATE THU
WHILE DRAGGING A COLD FRONT THROUGH NW BAHAMAS. FRONT STALL FROM
29N65W ACROSS CENTRAL BAHAMAS TO N CENTRAL CUBA FRI NIGHT AND SAT.
STRONG SW WINDS MAY REACH NEAR GALE FORCE WITH SEAS 10-11 FT
ACROSS THE NE PORTION OF THE AREA BY FRI OR SAT. WINDS DIMINISH
AND SEAS SUBSIDE FROM W TO E AS LOW PRES CENTER MOVES OFF AREA.

$$

.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.