798  
AGXX40 KNHC 050828  
MIMATS  
 
MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
328 AM EST MON FEB 5 2018  
 
MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO, CARIBBEAN SEA,  
AND TROPICAL NORTH ATLANTIC FROM 07N TO 19N BETWEEN 55W AND 64W  
AND THE SOUTHWEST NORTH ATLANTIC INCLUDING THE BAHAMAS  
   
..GULF OF MEXICO
 
 
A FEW SHOWERS AND THUNDERSTORMS ARE ONGOING OVER THE SOUTHEAST  
GULF AHEAD OF A COLD FRONT REACHING FROM THE FLORIDA BIG BEND  
AREA TO THE CENTRAL COAST OF TEXAS. THE SHOWERS AND THUNDERSTORMS  
WILL WEAKEN AND SHIFT EASTWARD THROUGH THE EARLY MORNING.  
PLATFORMS OVER THE NORTHWEST GULF ARE REPORTING AREAS OF FOG WITH  
VISIBILITIES AROUND 4 NM. THIS WILL CLEAR UP LATER THIS MORNING  
AS DRIER AIR FILTERS INTO THE REGION BEHIND THE FRONT. SEAS ARE 3  
TO 5 FT ACROSS THE REGION. THE FRONT WILL CONTINUE TO MOVE SOUTH  
BEFORE STALLING FROM SOUTH FLORIDA TO SOUTH TEXAS LATER TODAY.  
THE FRONT WILL DISSIPATE AS IT LIFTS NORTHWARD OVER THE WESTERN  
GULF THROUGH EARLY TUE, AHEAD OF ANOTHER COLD FRONT MOVING INTO  
THE NORTHWEST GULF LATE WED. FRESH TO STRONG NORTHERLY WINDS AND  
SEAS BUILDING TO 8 FT WILL FOLLOW THE FRONT MAINLY OFF THE COAST  
OF MEXICO AS THE FRONT REACHES A POSITION FROM CENTRAL FLORIDA TO  
THE SOUTHWEST GULF BY LATE THU BEFORE LIFTING NORTHWARD OVER THE  
WESTERN GULF AND WEAKENING FRI.  
 
...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN  
55W AND 64W...  
 
HIGH PRESSURE NORTH OF THE AREA IS SUPPORTING GALE FORCE WINDS  
OFF THE COAST OF COLOMBIA, AS VERIFIED BY VESSEL 9HA3047  
EARLIER. SEAS ARE 8 TO 11 FT OVER MUCH OF THE SOUTH CENTRAL AND  
SOUTHWEST CARIBBEAN, AND GENERALLY 5 TO 7 ELSEWHERE IN THE  
CARIBBEAN. RECENT BUOY OBSERVATIONS OVER THE TROPICAL ATLANTIC  
INDICATE NE TO E SWELL AND LOCALLY DERIVED WIND WAVES DUE TO  
FRESH TRADE WIND FLOW HAVE REACHED THE LEEWARD AND WINDWARD  
ISLANDS AND MAY BE PUSHING INTO EXPOSED ATLANTIC PASSAGES. NO  
SIGNIFICANT CONVECTION IS OBSERVED DUE TO MAINLY ZONAL WESTERLY  
FLOW ALOFT, BUT FAST- MOVING TRADE WIND SHOWERS ARE LIKELY FROM  
THE TROPICAL NORTH ATLANTIC WEST OF 55W THROUGH THE SOUTHWEST  
CARIBBEAN. THE PATTERN WILL CONTINUE TO SUPPORT FRESH TO STRONG  
WINDS OFF COLOMBIA, THE WINDWARD PASSAGE AND IN THE LEE OF  
HISPANIOLA THROUGH FRI, PULSING TO GALE FORCE OFF COLOMBIA EACH  
NIGHT. HIGH PRESSURE BUILDING OVER THE CENTRAL ATLC WILL CONTINUE  
TO SUPPORT FRESH TRADES EAST OF THE LEEWARD AND WINDWARD  
ISLANDS, ACCOMPANIED BY NE TO E SWELL IN EXCESS OF 8 FT.  
   
..SW N ATLANTIC INCLUDING THE BAHAMAS
 
 
A COLD FRONT IS MOVING OFF THE NORTHEAST FLORIDA COAST. SCATTERED  
SHOWERS AND A FEW THUNDERSTORMS ARE NOTED IN ADVANCE OF THE  
FRONT, AS ARE FRESH TO STRONG SOUTHERLY FLOW NORTH OF 30N. RECENT  
BUOY OBSERVATIONS AND ALTIMETER SATELLITE PASSES INDICATE 5 TO 7  
FT SEAS IN OPEN WATERS. THE FRONT WILL REACH FROM BERMUDA TO  
SOUTH FLORIDA BY LATE TODAY, STALL FROM 29N65W TO THE STRAIGHTS  
OF FLORIDA LATE TUE, THEN DISSIPATE BY MID WEEK. HIGH PRESSURE  
WILL BUILD BEHIND THE FRONT, SUPPORTING FRESH TO OCCASIONALLY  
STRONG E WINDS SOUTH OF 22N BY MID WEEK.  
 

 
   
WARNINGS
 
ANY CHANGES IMPACTING COASTAL NWS OFFICES WILL BE  
COORDINATED THROUGH AWIPS II COLLABORATION CHAT, OR BY  
TELEPHONE:  
   
GULF OF MEXICO
 
 
NONE.  
 
.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.  
GALE CONDITIONS POSSIBLE TUE NIGHT INTO WED NIGHT.  
GALE CONDITIONS POSSIBLE THU NIGHT.  
   
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.NHC.NOAA.GOV/MARINE  
 

 
 
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.  
 
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