000
AGXX40 KNHC 171828
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
128 PM EST SAT JAN 17 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: GFS BLENDED WITH PREVIOUS OFFICIAL FORECAST.
MWW3 USED FOR WAVE HEIGHTS. HIGH CONFIDENCE.

AN INVERTED TROUGH WILL MEANDER OVER THE CENTRAL GULF THROUGH
MON...THEN MOVE E AND DISSIPATE. A COLD FRONT MOVES OFF THE TEXAS
COAST TUE NIGHT AND MOVES RAPIDLY EXTENDING FROM THE FLORIDA
PANHANDLE TO THE YUCATAN PENINSULA WED AND INLAND FLORIDA ON WED
NIGHT. WINDS WILL REMAIN 15 KT OR LESS WITH SEAS LESS THAN 5 FT
THROUGH THE FORECAST PERIOD...HOWEVER WINDS MAY BRIEFLY INCREASE
TO 20 KT OVER THE FAR NW PORTION OF THE AREA WED.
 
...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 
55W AND 64W...

MODEL PREFERENCE: GFS BLENDED WITH PREVIOUS OFFICIAL FORECAST.
MWW3 USED FOR WAVE HEIGHTS. HIGH CONFIDENCE.

WEAK COLD FRONT WILL STALL AND DISSIPATE ACROSS THE WATERS N OF
20N W OF THE 74W TONIGHT. STRONG TRADES WILL DEVELOP ALONG THE NW
COAST OF COLOMBIA EACH NIGHT THROUGH THE PERIOD...OTHERWISE NE
15-20 KT CONDITIONS EXPECTED ELSEWHERE ACROSS THE SW CARIBBEAN...AND
EASTERLY 10-15 KT CONDITIONS ACROSS THE E CARIBBEAN AND TROPICAL
ATLC THROUGH THE PERIOD. THE 6-7 FT SEAS CURRENTLY OBSERVED
ACROSS THE TROPICAL ATLC WILL SUBSIDE TO 4-6 FT TONIGHT. THE
GRADIENT WILL INCREASE THE NE FLOW TO 15-20 KT ACROSS THE NW
CARIBBEAN EARLY MON...THEN RELAX SOME BY EARLY TUE WITH THE FLOW
BECOMING E-SE 10-15 KT LATE TUE AND 5-10 KT ON WED.
      
...SW N ATLANTIC INCLUDING THE BAHAMAS...

MODEL PREFERENCE: GFS BLENDED WITH PREVIOUS OFFICIAL FORECAST.
MWW3 USED FOR WAVE HEIGHTS. MED-HIGH CONFIDENCE.

COLD FRONT EXTENDS FROM 24N65W TO NE CUBA WILL DISSIPATE OVER THE
TROPICAL WATERS N OF THE VIRGIN ISLANDS ON SUN. SECOND COLD FRONT
WILL ENTER THE NW PORTION OF THE AREA EARLY SUN...AND EXTEND FROM
BERMUDA TO THE WINDWARD PASSAGE ON MON AND MOVE E OF THE AREA MON
NIGHT. A THIRD COLD FRONT WILL ENTER THE NW PORTION OF THE AREA
ON WED. WINDS INCREASE TO 20-25 KT N OF 27N BOTH AHEAD AND BEHIND
THE FRONT SUN...THEN DECREASE MON NIGHT AS FRONT WEAKENS AND MOVES
E OF THE AREA.

$$

.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 DGS. NATIONAL HURRICANE CENTER.