Marine Interpretation Message
Issued by NWS

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AGXX40 KNHC 270702
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
302 AM EDT WED MAY 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: GFS BLENDED WITH OFFICIAL FORECAST. MWW3
BLENDED WITH OFFICIAL FOR WAVES. HIGH CONFIDENCE.

A RIDGE PREVAILS OVER THE GULF COAST STATES WHILE A TROUGH IS
MOVING OFF THE YUCATAN INTO THE SW GULF WATERS. LATEST SATELLITE
DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN DATA
DEPICT FRESH TO STRONG WINDS OFF THE NW COAST OF THE YUCATAN
PENINSULA WHERE THERE IS A LOCALLY TIGHTER PRESSURE GRADIENT
BETWEEN THE TROUGH AND RIDGE. MODERATE TO FRESH WINDS PREVAIL
ELSEWHERE OVER THE SOUTHERN WATERS WITH LIGHT TO GENTLE WINDS OVER
THE NE GULF AND MODERATE WINDS OVER THE NW WATERS. SEAS ARE IN THE
5-6 FT RANGE OVER THE NW GULF...4-5 FT OVER THE SW GULF...AND 3-5
FT OVER THE EASTERN GULF. LITTLE CHANGE EXPECTED IN THE SYNOPTIC
ENVIRONMENT THROUGH THE END OF THE WEEK WITH THE HIGH PRESSURE
RIDGE PREVAILING OVER THE GULF COAST STATES. A SURFACE TROUGH WILL
DEVELOP EACH EVENING OVER THE YUCATAN. THE TROUGH WILL DRIFT
WESTWARD BEFORE DISSIPATING OVER THE SW GULF EACH MORNING. THE
RIDGE WILL START TO RETREAT EASTWARD THUS WEEKEND WHICH WILL BRING
A DECREASE IN WINDS AND SEAS ACROSS MUCH OF THE GULF WATERS SAT
AND SUN.

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

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

LATEST SATELLITE DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...
AND CMAN DATA DEPICT FRESH TO STRONG WINDS OVER THE SOUTH CENTRAL
CARIBBEAN...MODERATE TO FRESH TRADES OVER THE NORTH CENTRAL
CARIBBEAN AND THE GULF OF HONDURAS...GENTLE TO MODERATE WINDS OVER
THE WESTERN CARIBBEAN...AND LIGHT TO GENTLE WINDS OVER THE
EASTERN CARIBBEAN AND TROPICAL N ATLC WATERS. SEAS ARE IN THE 6-8
FT RANGE OVER THE SOUTH CENTRAL CARIBBEAN...5-6 FT OVER THE NORTH
CENTRAL CARIBBEAN...2-4 FT OVER THE EASTERN CARIBBEAN...4-5 FT
OVER THE WESTERN CARIBBEAN...AND 4-6 FT OVER THE TROPICAL N ATLC
WATERS. WINDS AND SEAS WILL DECREASE THROUGH THE END OF THE WEEK
AS A BROAD TROUGH MOVES N OF THE AREA AND LOOSENS THE PRESSURE
GRADIENT. WINDS WILL START TO INCREASE ONCE AGAIN OVER THE
EASTERN HALF OF THE FORECAST WATERS AS ATLANTIC HIGH PRESSURE
STARTS TO BUILD N OF THE AREA.

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

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

A BROAD INVERTED TROUGH PREVAILS E OF THE FORECAST AREA. LATEST
SATELLITE DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN
DATA DEPICT FRESH TO STRONG WINDS OVER THE NE WATERS AND MODERATE
TO FRESH WINDS OVER THE REMAINDER OF THE FORECAST WATERS. SEAS ARE
IN THE 6-7 FT RANGE OVER THE NE WATERS...4-5 FT OVER THE REMAINDER
OF THE WATERS OUTSIDE THE BAHAMAS...AND 1-3 FT W OF THE BAHAMAS.
THE SURFACE TROUGH WILL SLOWLY DRIFT WESTWARD TOWARD THE FORECAST
AREA...AND MOVE INTO THE EASTERN WATERS MIDWEEK. THE TROUGH WILL
THEN SLOWLY DAMPEN OUT THROUGH THE END OF THE WEEK.

$$

.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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