Home


000
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.

Home