000
AGXX40 KNHC 270550
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
150 AM EDT SUN SEP 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 FORECAST.
LATEST MWW3 BLENDED WITH PREVIOUS/OFFICIAL FORECAST FOR WAVE
PARAMETERS.


BROAD LOW PRES PREVAILS ACROSS THE ENTIRE GULF
TONIGHT...WITH A 1007 SURFACE LOW ACROSS THE YUCATAN NEAR
19.5N88.5W. THIS LOW IS EXPECTED TO SHIFT NORTHWARD TONIGHT AND
ENTER THE CENTRAL GULF EARLY SUN AND CONTINUE NORTH THEN NORTH-
NORTHEASTWARD THROUGH TUE. THIS SYSTEM WILL BRING AN INCREASE IN
WINDS...SEAS...AND VERY ACTIVE WEATHER ACROSS THE EASTERN GULF...
AND HAS THE POTENTIAL TO DEVELOP INTO A TROPICAL CYCLONE LATE SUN
THROUGH TUE.


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

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

MODERATE TO FRESH TRADES OVER THE SOUTH CENTRAL CARIBBEAN...GENTLE
TO MODERATE TRADES OVER THE NORTH CENTRAL CARIBBEAN...GENTLE TO
MODERATE TRADES OVER THE EASTERN AND WESTERN CARIBBEAN...AND LIGHT
TO GENTLE WINDS OVER THE TROPICAL N ATLC WATERS. SEAS ARE IN THE
6-8 FT RANGE OVER THE SOUTH CENTRAL CARIBBEAN...4-6 FT OVER THE
NORTH CENTRAL CARIBBEAN...3-5 FT OVER THE EASTERN CARIBBEAN...2-4
FT OVER THE WESTERN CARIBBEAN...AND 4-5 FT OVER THE TROPICAL N
ATLC. LOW PRESSURE DEVELOPING OVER THE GULF OF MEXICO WILL HELP TO
INCREASE WINDS OVER THE WESTERN WATERS THROUGH THE END OF THE
WEEKEND BEFORE WINDS START TO DECREASE EARLY NEXT WEEK. OTHERWISE
LITTLE CHANGE IN OVERALL CONDITIONS ARE EXPECTED THROUGH THE
MIDDLE OF NEXT WEEK.

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

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

BROAD TROUGHING PREVAILS OVER THE AREA. MODERATE TO FRESH WINDS E
OF THE TROUGH AXIS AND LIGHT TO GENTLE WINDS ELSEWHERE. SEAS ARE
IN THE 4-5 FT RANGE OUTSIDE THE BAHAMAS...AND 1-2 FT W OF THE
BAHAMAS. BROAD TROUGHING WILL PREVAIL THE NEXT FEW DAYS BEFORE THE
RIDGE BUILDS BACK ACROSS THE AREA. NE SWELLS OF 8-10 FT WILL BE
GENERATED E OF THE FORECAST AREA AND PROPAGATE INTO THE NE WATERS
LATE SUN INTO EARLY MON.

$$

.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.