Marine Interpretation Message
Issued by NWS

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AGXX40 KNHC 230706
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
306 AM EDT SAT MAY 23 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 PARAMETERS. HIGH CONFIDENCE.

A DISSIPATING STATIONARY FRONT PREVAILS OVER THE NORTHERN WATERS.
A TROUGH IS MOVING OFF THE COAST OF THE YUCATAN PENINSULA. LATEST
SATELLITE DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN
DATA DEPICT FRESH TO STRONG WINDS OFF THE COAST OF THE YUCATAN IN
THE SW GULF WATERS. LIGHT TO GENTLE WINDS OVER THE NE GULF...AND
GENTLE TO MODERATE WINDS OVER THE REMAINDER OF THE GULF WATERS.
SEAS ARE IN THE 4-5 FT RANGE OFF THE W COAST OF THE YUCATAN...1-2
FT OVER THE NE GULF...AND 2-3 FT ELSEWHERE. MODELS ARE IN GOOD
AGREEMENT WITH THE SYNOPTIC PATTERN THROUGH THE MIDDLE OF NEXT
WEEK. THE STATIONARY FRONT WILL DISSIPATE TODAY. A TROUGH WILL
DEVELOP DURING EACH NIGHT OVER THE YUCATAN AND DRIFT WESTWARD INTO
THE SW GULF. OTHERWISE HIGH PRESSURE WILL PREVAIL WITH SOUTHERLY
RETURN FLOW PREVAILING OVER THE WESTERN WATERS.

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

MODEL PREFERENCE: GFS BLENDED WITH OFFICIAL FORECAST. LATEST MWW3
USED FOR WAVE PARAMETERS. HIGH CONFIDENCE.

LATEST SATELLITE DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...
AND CMAN DATA DEPICT FRESH TO STRONG TRADES OVER THE CENTRAL
CARIBBEAN...MODERATE TO FRESH TRADES OVER THE EASTERN
CARIBBEAN...GENTLE TO MODERATE TRADES OVER THE WESTERN
CARIBBEAN...AND MODERATE TO FRESH TRADES OVER THE TROPICAL N ATLC
WATERS. SEAS ARE IN THE 7-9 FT RANGE OVER THE SOUTH CENTRAL
CARIBBEAN...5-7 FT OVER THE NORTH CENTRAL CARIBBEAN...4-6 FT OVER
THE EASTERN CARIBBEAN...2-4 FT OVER THE WESTERN CARIBBEAN...AND
5-8 FT OVER THE TROPICAL N ATLC WATERS. HIGH PRESSURE BUILDING
OVER THE WESTERN ATLANTIC WILL HELP TO TIGHTEN THE PRESSURE
GRADIENT OVER THE FORECAST AREA. NOCTURNAL WINDS WILL PEAK NEAR
GALE FORCE OFF THE COAST OF COLOMBIA THE NEXT COUPLE OF NIGHTS. A
LARGE AMPLITUDE TROUGH WILL DEVELOP N OF THE AREA EARLY NEXT WEEK
WHICH WILL HELP LOOSEN THE PRESSURE GRADIENT AND DECREASE WINDS
OVER THE CARIBBEAN WATERS THROUGH MIDWEEK.

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

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

A COLD FRONT IS MOVING OVER THE NORTHERN WATERS. LATEST SATELLITE
DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN DATA
DEPICT GENTLE TO MODERATE WINDS N OF THE FRONT...GENTLE TO
MODERATE WINDS OVER THE SOUTHERN WATERS...AND LIGHT TO GENTLE
WINDS OVER THE REMAINDER OF THE WATERS. SEAS ARE IN THE 4-5 FT
RANGE N OF THE FRONT...3-4 FT ELSEWHERE OUTSIDE THE BAHAMAS...AND
1-2 FT W OF THE BAHAMAS. THE COLD FRONT WILL CONTINUE ACROSS THE
NORTHERN WATERS AND E OF THE AREA BY SUN. A HIGH AMPLITUDE TROUGH
WILL DEVELOP E OF THE AREA EARLY NEXT WEEK. THE TROUGH WILL DRIFT
WESTWARD TOWARD THE FORECAST AREA. NE WINDS WILL INCREASE OVER THE
EASTERN WATERS AS THE TROUGH APPROACHES THE FORECAST AREA...WITH
WINDS STRENGTHENING OVER THE EASTERN WATERS BY WED.

$$

.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.


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