000
AGXX40 KNHC 311817
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
217 PM EDT THU OCT 31 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: LATEST GFS BLENDED WITH OFFICIAL FORECAST. 
MWW3 USED FOR WAVE PARAMETERS. HIGH CONFIDENCE.

HIGH PRES RIDGE EXTENDS ACROSS THE CENTRAL GULF WATERS AS A COLD
FRONT IS SHIFTING ACROSS TEXAS. LATEST SATELLITE DERIVED WINDS AND
SEAS ALONG WITH SHIP...BUOY...AND CMAN DATA DEPICT FRESH TO STRONG
WINDS OVER THE NW GULF WATERS WHILE MODERATE TO FRESH WINDS
PREVAIL OVER THE REMAINDER OF THE GULF WATERS. SEAS ARE IN THE 7-9
FT RANGE OVER THE NW GULF AND 4-6 FT OVER THE REMAINDER OF THE
GULF. THE RIDGE WILL RETREAT EASTWARD ENABLING THE COLD FRONT TO
MOVE OFF THE TEXAS COAST BY THIS EVENING. THE FRONT WILL MOVE
ACROSS THE GULF WATERS EXTENDING FROM SE LOUISIANA TO NE MEXICO BY
FRI MORNING...N FLORIDA TO NEAR 22N97W BY SAT MORNING...AND SE OF
THE AREA BY SUN MORNING. HIGH PRESSURE WILL BUILD ACROSS THE GULF
WATERS IN THE WAKE OF THE FRONT.

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

MODEL PREFERENCE: LATEST GFS BLENDED WITH OFFICIAL FORECAST. 
MWW3 USED FOR WAVE PARAMETERS. HIGH CONFIDENCE.

A TROPICAL WAVE IS MOVING ACROSS THE FAR W CARIBBEAN WHILE A
SURFACE TROUGH IS OVER THE EASTERN CARIBBEAN. LATEST SATELLITE
DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN DATA
DEPICT MODERATE TO FRESH WINDS OVER THE SOUTHERN CENTRAL WATERS
WITH GENTLE TO MODERATE WINDS OVER THE REMAINDER OF THE CARIBBEAN
AND TROPICAL N ATLC WATERS. SEAS ARE IN THE 5-7 FT RANGE OVER THE
CENTRAL CARIBBEAN AND 4-6 FT OVER THE REMAINDER OF THE CARIBBEAN
WATERS EXCEPT FOR THE FAR EASTERN WATERS WHERE 3-4 FT SEAS
PREVAIL. SEAS ARE IN THE 6-7 FT RANGE OVER THE TROPICAL N ATLC
WATERS. THE TROPICAL WAVE WILL CONTINUE SHIFTING WESTWARD...
MOVING WEST OF THE CARIBBEAN WATERS BY FRI. THE TROUGH WILL
CONTINUE INTO THE CENTRAL CARIBBEAN WHERE IT WILL STALL AND LINGER
THROUGH THE REMAINDER OF THE FORECAST PERIOD. A BROAD LOW MAY
DEVELOP ALONG THE TROUGH OVER THIS WEEKEND.

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

MODEL PREFERENCE: LATEST GFS BLENDED WITH OFFICIAL FORECAST. 
MWW3 USED FOR WAVE PARAMETERS. HIGH CONFIDENCE.

A SHEAR LINE LINGERS OVER THE SE WATERS. LATEST SATELLITE DERIVED
WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN DATA DEPICT FRESH
TO STRONG WINDS W OF THE SHEAR LINE FROM 22N TO 28N BETWEEN 60W
AND 67W WHILE MODERATE TO FRESH WINDS PREVAIL ELSEWHERE E OF
75W...AND GENTLE TO MODERATE WINDS PREVAIL W OF 75W. SEAS ARE IN
THE 7-9 FT RANGE IN THE REGION OF STRONGEST WINDS...AND 5-7 FT
OVER THE REMAINDER OF THE WATERS E OF THE BAHAMAS...EXCEPT OVER
THE NW WATERS WHERE SEAS ARE IN THE 3-5 FT RANGE. SEAS 2-4 FT
PREVAIL W OF THE BAHAMAS. THE SHEAR LINE WILL SLOWLY DISSIPATE
THROUGH FRI AS WINDS AND SEAS W OF THE FEATURE DECREASE BELOW
ADVISORY CRITERIA BY SAT. A COLD FRONT WILL MOVE INTO THE NW
WATERS THIS WEEKEND...WITH SOUTHERLY WINDS STRENGTHENING AHEAD OF
THE FRONT LATE FRI INTO SAT. THE FRONT WILL MOVE OFF THE SE U.S.
COAST SAT MORNING AND EXTEND FROM NEAR 31N69W TO W CUBA EARLY
SUN...AND FROM 31N62W TO THE CENTRAL BAHAMAS EARLY 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 AL. NATIONAL HURRICANE CENTER.