000
AGXX40 KNHC 200617
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
117 AM EST SUN DEC 20 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: BLEND OF GFS/WW3 GUIDANCE WITH PREVIOUS FCST.
HIGH CONFIDENCE.

HIGH PRESSURE PREVAILS OVER THE FORECAST AREA. LATEST SATELLITE
DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN DATA
DEPICT FRESH TO STRONG WINDS OVER THE EASTERN WATERS WITH MODERATE
TO FRESH WINDS OVER THE WESTERN WATERS. SEAS ARE IN THE 6-9 FT
RANGE OVER THE SE WATERS...4-7 FT RANGE OVER THE NE WATERS...5-7
FT OVER THE SW WATERS AND 4-6 FT OVER THE NW WATERS. HIGH PRESSURE
WILL PREVAIL OVER THE FORECAST WATERS THROUGH THURSDAY. SE RETURN
FLOW WILL DEVELOP OVER THE WESTERN WATERS TODAY AND SPREAD
EASTWARD TO COVER THE ENTIRE GULF WATERS EARLY THIS WEEK. A COLD
FRONT WILL APPROACH THE NW WATERS TUE BUT IS EXPECTED TO STALL AND
DISSIPATE BEFORE IT CAN ENTER THE FORECAST AREA.

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

MODEL PREFERENCE: BLEND OF GFS/WW3 GUIDANCE WITH PREVIOUS FCST.
HIGH CONFIDENCE.

A DISSIPATING STATIONARY FRONT EXTENDS OVER THE NW WATERS. LATEST
SATELLITE DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN
DATA DEPICT GALE FORCE WINDS OFF THE COAST OF COLOMBIA WITH FRESH
TO NEAR GALE WINDS OVER THE SOUTHERN WATERS W OF 70W. FRESH TO
STRONG WINDS PREVAIL OVER THE NW WATERS...AND MODERATE TO FRESH
WINDS OVER THE NORTH CENTRAL CARIBBEAN...EASTERN CARIBBEAN...AND
TROPICAL N ATLC WATERS. SEAS ARE IN THE 9-13 FT OVER THE SOUTH
CENTRAL CARIBBEAN...7-9 FT OVER THE N CENTRAL CARIBBEAN...6-9 FT
OVER THE WESTERN CARIBBEAN...5-6 FT OVER THE EASTERN
CARIBBEAN...AND 7-9 FT OVER THE TROPICAL N ATLC WATERS. STRONG
HIGH PRESSURE WILL PREVAIL N OF THE FORECAST AREA THROUGH THE
FORECAST PERIOD. WINDS WILL PULSE TO GALE FORCE DURING THE
OVERNIGHT HOURS OFF THE COAST OF COLOMBIA EACH NIGHT. FRESH TO
STRONG TRADES WILL PREVAIL OVER THE REMAINDER OF THE CENTRAL
CARIBBEAN AS WELL AS THE EASTERN CARIBBEAN. SEAS WILL BUILD TO
NEAR 15 FT OVER THE SOUTH CENTRAL CARIBBEAN WITH THE CONTINUED
LARGE FETCH OF STRONG TO NEAR GALE FORCE WINDS OVER THE NEXT
SEVERAL DAYS.

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

MODEL PREFERENCE: BLEND OF GFS/WW3 GUIDANCE WITH PREVIOUS FCST.
HIGH CONFIDENCE.

A COLD FRONT EXTENDS FROM NEAR 28N65W TO CENTRAL CUBA. LATEST
SATELLITE DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN
DATA DEPICT FRESH TO STRONG WINDS OVER THE SW WATERS WITH MODERATE
TO LOCALLY FRESH WINDS PREVAILING ELSEWHERE. SEAS ARE IN THE 6-8
FT RANGE W OF THE FRONT OUTSIDE THE BAHAMAS...6-7 FT E OF THE
FRONT...AND 2-4 FT W OF THE BAHAMAS. THE COLD FRONT WILL CONTINUE
TO SHIFT E OF THE AREA TODAY. STRONG HIGH PRESSURE WILL BUILD IN
THE WAKE OF THE FRONT AND PREVAIL THROUGH THE REMAINDER OF THE
FORECAST PERIOD.

$$

.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...
.AMZ031...CARIBBEAN FROM 11N TO 15N BETWEEN 72W AND 80W
INCLUDING COLOMBIA BASIN...
     GALE WARNING EARLY TODAY INTO MON NIGHT. 
     GALE CONDITIONS POSSIBLE MON NIGHT INTO TUE NIGHT. 
     GALE CONDITIONS POSSIBLE WED NIGHT.

.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.