000
AGXX40 KNHC 271711
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
111 PM EDT TUE OCT 27 2015

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 PREVIOUS/OFFICIAL
FORECAST. LATEST MWW3 FOR WAVE PARAMETERS. HIGH CONFIDENCE.

A COLD FRONT EXTENDS OVER THE EASTERN WATERS FROM THE FLORIDA
PANHANDLE TO THE YUCATAN PENINSULA. LATEST SATELLITE DERIVED WINDS
AND SEAS ALONG WITH SHIP...BUOY...AND CMAN DATA DEPICT FRESH TO STRONG
WINDS OVER THE NE WATERS E OF THE FRONT AND MODERATE TO FRESH
WINDS ELSEWHERE E OF THE FRONT. MODERATE TO FRESH WINDS PREVAIL W
OF THE FRONT AND N OF 24N WITH LIGHT TO GENTLE WINDS OF OVER THE
SW GULF W OF THE FRONT. SEAS ARE IN THE 8 TO 9 FT RANGE OVER THE
NE GULF...4-6 FT OVER THE SE GULF...3-5 FT OVER THE NW GULF...AND
3-4 FT OVER THE SW GULF. THE COLD FRONT WILL MOVE ACROSS THE SE
GULF BY WED EVENING WHERE IT WILL BECOME STATIONARY AND GRADUALLY
DISSIPATE BY THU EVENING. HIGH PRESSURE WILL BUILD IN THE WAKE OF
THE FRONT. MODERATE TO FRESH SE RETURN FLOW WILL DEVELOP OVER THE
FAR WESTERN GULF ON FRI AND ARE FORECAST TO FURTHER INCREASE TO
20-25 KT OVER THE FAR NW GULF LATE FRI NIGHT INTO SAT. SEAS ARE
FORECAST TO BUILD TO AROUND 9 FT IN ASSOCIATION WITH THESE WINDS.
THE NEXT COLD FRONT SHOULD MOVE INTO THE FAR NW GULF BY SAT NIGHT.

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

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

LATEST SATELLITE DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...
AND CMAN DATA DEPICT GENTLE TO MODERATE WINDS PREVAIL OVER THE
CARIBBEAN AND TROPICAL N ATLC WATERS. SEAS ARE IN THE 2-4 FT RANGE
OVER THE EASTERN AND CENTRAL CARIBBEAN...2-3 FT OVER THE WESTERN
CARIBBEAN...AND 5-6 FT OVER THE TROPICAL N ATLC WATERS. LITTLE
CHANGE TO THESE CONDITIONS ARE EXPECTED THROUGH SAT. PULSES OF
LONG PERIOD NE SWELL WILL AFFECT THE TROPICAL N ATLANTIC WATERS
THU NIGHT INTO FRI...INCREASING SEAS TO 6-7 FT OVER THE EASTERN
PORTION OF THE TROPICAL N ATLC FRI THROUGH SAT NIGHT.

..SW N ATLANTIC INCLUDING THE BAHAMAS...

MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS/OFFICIAL
FORECAST. LATEST MWW3 FOR WAVE PARAMETERS. HIGH CONFIDENCE.
 
A FRONTAL TROUGH PREVAILS OVER THE SE WATERS. LATEST SATELLITE
DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN DATA
DEPICT MODERATE TO FRESH WINDS OVER THE NORTHERN WATERS WITH
GENTLE TO MODERATE WINDS PREVAILING ELSEWHERE. SEAS ARE IN THE 5-7
FT RANGE OVER THE NORTHERN WATERS...4-5 FT OVER THE SOUTHERN
WATERS E OF THE BAHAMAS...AND 1-2 FT W OF THE BAHAMAS. THE
FRONTAL TROUGH WILL MEANDER OVER THE SE WATERS THROUGH MIDWEEK
WHILE SLOWLY DISSIPATING. A COLD FRONT WILL MOVE INTO THE NW
WATERS EARLY THU. THE FRONT IS FORECAST TO REACH FROM NEAR 31N72W
TO THE NW BAHAMAS AND THE STRAITS OF FLORIDA BY THU NIGHT...AND
FROM NEAR 31N68W TO THE CENTRAL BAHAMAS TO WESTERN CUBA BY LATE
FRI WHILE WEAKENING.

$$

.WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE
COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE:

.GULF OF MEXICO...
     NONE.

.CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN
55W AND 64W...
     NONE.

.SW N ATLANTIC INCLUDING THE BAHAMAS...
     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.HURRICANE WARNINGS.GOV/MARINE

$$

.FORECASTER AL. NATIONAL HURRICANE CENTER.