000
AGXX40 KNHC 021736
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
136 PM EDT THU APR 2 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. MWW3 USED FOR WAVES. HIGH CONFIDENCE.

A WEAK PRES PATTERN CONTINUES ACROSS THE GULF WITH A SURFACE
RIDGE EXTENDING FLORIDA WESTWARD TOWARD THE TEXAS COAST. GENTLE
TO MODERATE BREEZES PERSIST IN MOST AREAS WITH SEAS RANGING FROM 2
TO 4 FT. THE EXCEPTION IS OFF THE NW COAST OF YUCATAN WHERE THE
NORMAL OVERNIGHT TROUGH TO DEVELOPS. A COLD FRONT EXPECTED TO
MOVE OFF THE TEXAS COAST LATE FRI NIGHT INTO EARLY SAT MORNING
FOLLOWED BY STRONG NE WINDS OVER THE NW GULF SAT...AND OVER THE NE
GULF SAT NIGHT INTO SUN. THE FRONT IS NOT EXPECTED TO MAKE MUCH
PROGRESS SOUTHWARD...STALLING ALONG 26N BY LATE SAT BEFORE LIFTING
N AGAIN LATE SAT AND SUN. THE PATTERN RETURNS TO SOMETHING
RESEMBLING THE CURRENT PATTERN WITH HIGH PRES CENTERED OVER THE
EASTERN GULF EARLY NEXT WEEK.

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

MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL 
FORECAST. MWW3 USED FOR WAVES. HIGH CONFIDENCE.

WINDS ARE PULSING TO 20-25 KT OFF COLOMBIA OTHERWISE MODERATE TO
FRESH TRADE WINDS PREVAIL ACROSS THE CARIBBEAN AND TROPICAL N ATLC
WATERS. HIGH PRES N OF THE AREA WILL BUILD LATE TODAY IN THE WAKE
OF A COLD FRONT MOVING N OF THE ARES. THE BUILDING RIDGE WILL
SUPPORT STRONG WINDS OFF HISPANIOLA AND IN THE WINDWARD PASSAGE
TONIGHT THROUGH LATE FRI. TRADE WIND FLOW DIMINISHES SAT AS THE
RIDGE WEAKENS AHEAD OF ANOTHER COLD FRONT MOVING OFF THE SE UNITED
STATES. THE HIGH PRES BUILDS BEHIND THE SECOND FRONT WILL ALLOW
STRONG NE FLOW IN THE LEE OF CUBA EARLY SUN...AND THROUGH THE
WINDWARD PASSAGE AND OFF HISPANIOLA SUN NIGHT THROUGH MON. STRONG
WINDS OFF COLOMBIA WILL CONTINUE TO PULSE MAINLY AT NIGHT.
 
...SW N ATLANTIC INCLUDING THE BAHAMAS...

MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL 
FORECAST. MWW3 BLEND USED FOR WAVES. MEDIUM TO HIGH CONFIDENCE.

A COLD FRONT IS SWEEPING EASTWARD ACROSS THE WATERS N OF 26N
TODAY. HIGH PRES WILL BUILD IN THE WAKE OF THE FRONT. THIS WILL
SUPPORT GENERALLY MODERATE TO FRESH E TO SE WINDS ACROSS THE
REGION. NE SWELL TO 8 FT GENERATED FROM STRONGER WINDS E OF THE
AREA BEHIND THE FRONT WILL MOVE WEST 65W BETWEEN 23N AND 25N LATE
FRI THEN SUBSIDE. THE RIDGE WILL SHIFT EAST SAT AHEAD OF
ANOTHER...STRONGER FRONT MOVING OFF THE SE U.S. COAST EARLY
SAT...EXTENDING FROM 31N70W TO E CENTRAL FLORIDA LATE SAT...AND
FROM BERMUDA TO SE FLORIDA BY SUN. NLY WINDS OF 20 TO 25 KT AND 8
TO 10 FT SEAS N OF 27N LATE SUN...GRADUALLY DIMINISHING INTO MON
AND LEAVING MODERATE EASTERLY FLOW ACROSS THE REGION WITH 5 TO 7
FT SEAS E OF THE BAHAMAS BY LATE 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.