501  
AGXX40 KNHC 091830  
MIMATS  
 
MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
230 PM EDT SUN MAY 9 2021  
 
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
 
 
THE PRESSURE GRADIENT BETWEEN A RIDGE ACROSS THE GULF REGION AND  
LOWER PRESSURES OVER TEXAS AND NE MEXICO WILL SUPPORT FRESH TO  
LOCALLY STRONG SE RETURN FLOW ACROSS THE NW GULF TODAY. A  
SURFACE TROUGH WILL DEVELOP OVER THE YUCATAN PENINSULA EACH  
EVENING AND DISSIPATE OVER THE SW GULF BY MORNING. MODERATE TO  
FRESH EASTERLY WINDS WILL BE ASSOCIATED WITH THIS TROUGH. A  
STATIONARY FRONT WILL LINGER ACROSS THE NORTHERN GULF COAST TUE  
AND WED WITH SHOWERS OCCURRING ALONG THE BOUNDARY. BUILDING HIGH  
PRESSURE ACROSS THE SE CONUS WILL PUSH THE FRONT ACROSS THE GULF  
ON THU.  
 
...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN  
55W AND 64W...  
 
A RIDGE NORTH OF THE AREA WILL SUPPORT FRESH TO STRONG TRADE  
WINDS OVER THE SOUTH-CENTRAL CARIBBEAN THROUGH THU NIGHT. WINDS  
WILL ALSO PULSE FRESH TO STRONG NIGHTLY IN THE GULF OF HONDURAS  
THROUGH THU NIGHT. A SURGE IN MOISTURE WILL INCREASE THE  
LIKELIHOOD OF SHOWERS ACROSS THE EASTERN CARIBBEAN THROUGH MON.  
   
..SW N ATLANTIC INCLUDING THE BAHAMAS
 
 
A DISSIPATING COLD FRONT STRETCHES FROM 31N61W TO 24N80W. THE  
FRONT IS EXPECTED TO COMPLETELY DISSIPATE BY TONIGHT INTO MON  
MORNING. ANOTHER COLD FRONT WILL MOVE SOUTHWARD ACROSS THE  
WESTERN ATLANTIC ON WED, AND STALL ON THU. THE FRONT WILL THEN  
MOVE SOUTHWARD ACROSS THE REGION AS A LOW DEVELOPS ALONG THE  
FRONTAL BOUNDARY AND MOVES NE.  
 

 
   
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...  
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.NHC.NOAA.GOV/MARINE  
 

 
 
.FORECASTER AKR. NATIONAL HURRICANE CENTER.  
 
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