000
AGXX40 KNHC 181803
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
203 PM EDT FRI SEP 18 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. NWPS
BLENDED WITH PREVIOUS OFFICIAL FOR WAVES. HIGH CONFIDENCE.

LOW PRESSURE IS CENTERED OVER THE SE GULF. LATEST SATELLITE
DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN DATA
DEPICT GENTLE TO MODERATE WINDS OVER THE NE GULF WITH LIGHT TO
GENTLE WINDS PREVAILING OVER THE REMAINDER OF THE GULF WATERS.
SEAS ARE IN THE 4-5 FT RANGE OVER THE NE GULF...1-2 FT OVER THE SE
GULF...AND 2-3 FT OVER THE REMAINDER OF THE GULF WATERS. THE LOW
PRES WILL SHIFT EAST OF THE AREA TODAY AS THE UPPER TROUGH MOVES
EAST. HIGH PRESSURE RIDGE WILL BUILD SOUTH OVER THE NORTHERN GULF
WITH A WEAK PRES PATTERN SETTING UP SAT THROUGH EARLY NEXT WEEK.
NO MAJOR DIFFERENCES IN MODEL OUTPUT.

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

MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL. NWPS
BLENDED WITH PREVIOUS OFFICIAL FOR WAVES. HIGH CONFIDENCE.

LATEST SATELLITE DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...
AND CMAN DATA DEPICT MODERATE TO FRESH WINDS OVER THE SOUTH
CENTRAL CARIBBEAN...GENTLE TO MODERATE WINDS OVER THE N CENTRAL
AND EASTERN CARIBBEAN...GENTLE WINDS OVER THE TROPICAL N ATLC
WATERS...AND LIGHT TO GENTLE WINDS OVER THE WESTERN CARIBBEAN.
SEAS ARE IN THE 5-6 FT RANGE OVER TO SOUTH CENTRAL CARIBBEAN...4-5
FT OVER THE NORTH CENTRAL CARIBBEAN...2-4 FT OVER THE EASTERN
CARIBBEAN...1-3 FT OVER THE WESTERN CARIBBEAN...AND 3-4 FT OVER
THE TROPICAL N ATLC WATERS. WINDS AND SEAS ARE EXPECTED TO REMAIN
BELOW ADVISORY CRITERIA THROUGH THE FORECAST PERIOD.
 
 
...SW N ATLANTIC INCLUDING THE BAHAMAS...

MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL. NWPS
BLENDED WITH PREVIOUS OFFICIAL FOR WAVES. MEDIUM CONFIDENCE.

A SURFACE TROUGH PREVAILS OVER THE NW WATERS WITH A DEVELOPING LOW
ALONG THE TROUGH AXIS. LATEST SATELLITE DERIVED WINDS AND SEAS
ALONG WITH SHIP...BUOY...AND CMAN DATA DEPICT MODERATE TO FRESH
WINDS OVER THE NW WATERS...AND GENTLE TO MODERATE ACROSS THE
REMAINDER OF THE FORECAST WATERS. SEAS ARE IN THE 5-6 FT RANGE
OVER THE NW WATERS...3-5 FT OVER THE REMAINDER OF THE WATERS
OUTSIDE THE BAHAMAS...AND 1-2 FT W OF THE BAHAMAS. THE LOW
PRESSURE CENTER WILL SHIFT N OF THE AREA BY SUN NIGHT WITH
ASSOCIATED TROUGH LINGERING OVER THE WESTERN WATERS. 

$$

.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.