947  
AGXX40 KNHC 041929  
MIMATS  
 
MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
329 PM EDT TUE MAY 4 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
 
 
A COLD FRONT OVER EASTERN TEXAS IS APPROACHING THE NW GULF  
COAST. AHEAD OF IT, FRESH TO STRONG SOUTHEAST WINDS ARE OVER  
MOST OF THE CENTRAL GULF. THE COLD FRONT WILL MOVE OFF THE TEXAS  
COAST BY EARLY THIS EVENING, REACH FROM NEAR MOBILE, ALABAMA TO  
THE SW GULF EARLY WED, THEN STALL OVER THE NORTHERN GULF THROUGH  
WED NIGHT. THE FRESH TO STRONG SOUTHEAST WINDS WILL DIMINISH TO  
MODERATE TO FRESH SPEEDS WED. THE COLD FRONT WILL MOVE  
SOUTHEASTWARD ACROSS THE REST OF THE BASIN THU THROUGH FRI.  
FRESH TO STRONG NORTHEAST WINDS WILL FOLLOW IN BEHIND THE FRONT  
TONIGHT INTO WED. MODERATE TO FRESH SOUTHEAST WINDS ARE EXPECTED  
ACROSS THE WESTERN AND CENTRAL GULF THIS WEEKEND AND INTO EARLY  
NEXT WEEK AS HIGH PRESSURE IN THE WAKE OF THE FRONT SHIFTS  
EASTWARD.  
 
...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO  
19N BETWEEN 55W AND 64W...  
 
A RIDGE NORTH OF THE AREA WILL SUPPORT MODERATE TRADE WINDS  
ACROSS MUCH OF THE BASIN THIS WEEK. FRESH TO STRONG SE WINDS  
WILL CONTINUE OVER THE NORTHWESTERN CARIBBEAN, INCLUDING THE  
GULF OF HONDURAS THROUGH WED NIGHT. HAZY SKY CONDITIONS AND  
AREAS OF SMOKE DUE TO AGRICULTURAL FIRES IN CENTRAL AMERICA ARE  
NOTED OVER MOST THE NORTHWESTERN CARIBBEAN. THESE CONDITIONS ARE  
LIKELY TO CHANGE LITTLE THROUGH THE END OF THE WEEK. STRONGER  
TRADE WINDS ARE LIKELY OVER THE CENTRAL CARIBBEAN THIS WEEKEND  
AND INTO EARLY NEXT WEEK AS ATLANTIC HIGH PRESSURE STRENGTHENS.  
   
..SW N ATLANTIC INCLUDING THE BAHAMAS
 
 
THE GRADIENT ASSOCIATED WITH A HIGH PRESSURE RIDGE NEAR 27N WILL  
SUPPORT GENTLE TO MODERATE WINDS ACROSS MOST OF THE REGION  
THROUGH WED NIGHT. A COLD FRONT IS EXPECTED TO MOVE OVER THE FAR  
NORTHWEST WATERS EARLY THU AND REACH FROM NEAR 31N76W TO THE  
STRAITS OF FLORIDA EARLY ON FRI. THE PORTION OF THE FRONT NORTH  
OF 25N WILL CONTINUE EASTWARD TO THE FAR EASTERN WATERS SAT NIGHT  
WHILE GRADUALLY WEAKENING, AND AS HIGH PRESSURE BUILDS OVER THE  
AREA INTO EARLY NEXT 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...  
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 AGUIRRE. NATIONAL HURRICANE CENTER.  
 
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