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AGXX40 KNHC 041846
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
146 PM 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. MWW3 FOR WAVE PARAMETERS. HIGH CONFIDENCE.

HIGH PRESSURE PREVAILS OVER THE FORECAST AREA. MODERATE TO FRESH WINDS ARE OVER THE NW GUL WITH GENTLE TO MODERATE WINDS OVER THE REMAINING GULF. 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 MOVE EASTWARD LATER TODAY AS 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 GULF THROUGH FRI BEFORE DECREASING TO 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. MWW3 FOR WAVES. HIGH CONFIDENCE.

MINIMAL GALE WARNING FORCE WINDS 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...8-10 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 WARNING 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 CONTINUE 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. MWW3 FOR WAVE PARAMETERS. HIGH CONFIDENCE.

HIGH PRESSURE PREVAILS OVER THE FORECAST AREA. FRESH TO STRONG WINDS OVER THE SOUTHERN WATERS...AND GENTLE TO MODERATE WINDS OVER THE REMAINDER OF THE FORECAST AREA. SEAS ARE IN THE 7-8 FT RANGE OVER THE SOUTHERN PORTION OF THE AREA 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 MOVE EASTWARD THU NIGHT ALLOWING FOR 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.
.GMZ013...N CENTRAL GULF INCLUDING FLOWER GARDEN BANKS MARINE SANCTUARY... 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 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 TODAY 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 DGS. NATIONAL HURRICANE CENTER.

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