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AGXX40 KNHC 040645
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
145 AM EST WED MAR 4 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. NWPS FOR WAVE PARAMETERS. HIGH CONFIDENCE.

HIGH PRESSURE PREVAILS OVER THE FORECAST AREA. LATEST SATELLITE DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN DATA DEPICT MODERATE TO FRESH WINDS OVER THE NW WATERS WITH GENTLE TO MODERATE WINDS OVER THE REMAINING WATERS. SEAS ARE IN THE 4-5 FT RANGE OVER THE NW WATERS...3-4 FT OVER THE SW WATERS...4-5 FT OVER THE SE WATERS...AND 1-3 FT OVER THE NE WATERS. HIGH PRESSURE WILL RETREAT EASTWARD TODAY ENABLING A STRONG COLD FRONT TO MOVE OFF THE COAST OF TEXAS LATE TONIGHT. GALE FORCE WINDS WILL AFFECT MANY OF THE WESTERN ZONES BEHIND THE FRONT THU WITH GALE FORCE WINDS AFFECTING THE SW WATERS THROUGH FRI BEFORE DIMINISHING BELOW GALE FORCE FRI NIGHT. SEAS WILL BUILD TO NEAR 17 FT OVER THE SW WATERS BY FRI. THE FRONT WILL STALL FROM NEAR CENTRAL FLORIDA TO THE BAY OF CAMPECHE FRI AND SLOWLY WEAKEN AND DISSIPATE THROUGH SUN. TROUGHING WILL LINGER OVER THE SW GULF THROUGH SUN.




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

MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL FORECAST. NWPS FOR WAVE PARAMETERS. HIGH CONFIDENCE.

LATEST SATELLITE DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN DATA DEPICT WINDS TO MINIMAL GALE FORCE OFF THE COAST OF COLOMBIA WITH FRESH TO STRONG TRADES OVER THE REMAINDER OF THE CENTRAL CARIBBEAN WATERS. FRESH TO LOCALLY STRONG TRADES PREVAIL OVER THE EASTERN CARIBBEAN...MODERATE TO FRESH TRADES OVER THE TROPICAL N ATLC...AND GENTLE TO MODERATE TRADES OVER THE WESTERN CARIBBEAN. SEAS ARE IN THE 10-13 FT RANGE OFF THE COAST OF COLOMBIA...7-10 FT OVER THE REMAINDER OF THE CENTRAL CARIBBEAN...6-8 FT OVER THE EASTERN CARIBBEAN...5-6 FT OVER THE WESTERN CARIBBEAN...AND 7-8 FT OVER THE TROPICAL N ATLC WATERS. WINDS WILL CONTINUE TO PULSE TO MINIMAL GALE FORCE DURING THE OVERNIGHT HOURS OFF THE COAST OF COLOMBIA THROUGH SUN NIGHT. WITH RIDGING PREVAILING N OF THE AREA THROUGH THE FORECAST PERIOD...FRESH TO STRONG WINDS WILL PREVAIL OVER THE REMAINDER OF THE CENTRAL CARIBBEAN AS WELL AS THE EASTERN CARIBBEAN AND TROPICAL N ATLC WATERS THROUGH SUN.


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

MODEL PREFERENCE: LATEST GFS BLENDED WITH PREVIOUS OFFICIAL FORECAST. NWPS FOR WAVE PARAMETERS. HIGH CONFIDENCE.

HIGH PRESSURE PREVAILS OVER THE FORECAST AREA. LATEST SATELLITE DERIVED WINDS AND SEAS ALONG WITH SHIP...BUOY...AND CMAN DATA DEPICT FRESH TO STRONG WINDS OVER THE SOUTHERN WATERS...AND GENTLE TO MODERATE WINDS OVER THE REMAINDER OF THE FORECAST WATERS. SEAS ARE IN THE 7-8 FT RANGE OVER THE SOUTHERN WATERS OUTSIDE THE BAHAMAS...5-7 FT OVER THE REMAINDER OF THE WATERS OUTSIDE THE BAHAMAS...AND 1-3 FT W OF THE BAHAMAS. THE SURFACE RIDGE WILL RETREAT EASTWARD SLIGHTLY ON THU NIGHT ENABLING A COLD FRONT TO MOVE OFF THE SE UNITED STATES COAST LATE THU. THE FRONT WILL EXTEND FROM NEAR BERMUDA TO CENTRAL FLORIDA FRI. THE SOUTHERN PART OF THE FRONT WILL STALL WHILE THE NORTHERN PART CONTINUES TO SHIFT EASTWARD...MOVING E OF THE AREA SAT NIGHT.

$$


.WARNINGS...ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE COORDINATED THROUGH AWIPS 12 PLANET CHAT OR BY TELEPHONE:


.GULF OF MEXICO...
.GMZ011...NW GULF INCLUDING STETSON BANK... GALE WARNING THU.
.GMZ017...W CENTRAL GULF FROM 22N TO 26N W OF 94W... GALE WARNING THU. GALE CONDITIONS POSSIBLE THU NIGHT.
.GMZ023...SW GULF S OF 22N W OF 94W... GALE WARNING THU. GALE CONDITIONS POSSIBLE THU NIGHT INTO FRI NIGHT.


.CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W...
.AMZ031...CARIBBEAN FROM 11N TO 15N BETWEEN 72W AND 80W INCLUDING COLOMBIA BASIN... GALE WARNING TONIGHT INTO THU. GALE CONDITIONS POSSIBLE THU NIGHT INTO MON.


.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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