924  
AGXX40 KNHC 171522  
MIMATS  
 
MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1122 AM EDT MON MAY 17 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  
 
THIS IS THE LAST MARINE WEATHER DISCUSSION ISSUED BY THE NATIONAL  
HURRICANE CENTER. FOR MARINE INFORMATION, PLEASE SEE THE TROPICAL  
WEATHER DISCUSSION AT: HURRICANES.GOV.  
   
..GULF OF MEXICO
 
 
HIGH PRESSURE ALONG THE MIDDLE ATLANTIC COASTS EXTENDING SW TO  
THE NE GULF WILL REMAIN GENERALLY STATIONARY THROUGHOUT THE  
WEEK. THIS WILL SUPPORT MODERATE TO FRESH E TO SE WINDS OVER THE  
BASIN THROUGH TUE. WINDS WILL INCREASE TO FRESH TO STRONG LATE  
TUE THROUGH FRI AS LOW PRESSURE DEEPENS ACROSS THE SOUTHERN  
PLAINS.  
 
...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN  
55W AND 64W...  
 
A RIDGE NE OF THE CARIBBEAN SEA WILL SHIFT EASTWARD AND WEAKEN,  
DIMINISHING WINDS AND SEAS MODESTLY THROUGH WED. TRADE WINDS  
WILL INCREASE BASIN WIDE WED NIGHT THROUGH FRI NIGHT AS HIGH  
PRESSURE BUILDS ACROSS THE WESTERN ATLANTIC.  
   
..SW N ATLANTIC INCLUDING THE BAHAMAS
 
 
A WEAKENING FRONTAL BOUNDARY FROM 25N65W TO THE CENTRAL BAHAMAS  
WILL DRIFT SE AND DISSIPATE THROUGH LATE TUE. ITS REMNANTS WILL  
DRIFT N ALONG 23N-24N. THE PRESSURE GRADIENT BETWEEN HIGH  
PRESSURE OFF OF HATTERAS AND THE FRONTAL BOUNDARY WILL SUPPORT  
AN AREA OF FRESH TO STRONG EASTERLY WINDS N OF 23N AND W OF 68W  
WITH SEAS TO 11 FT E OF THE BAHAMAS LATE TUE THROUGH FRI.  
 

 
   
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 GR. NATIONAL HURRICANE CENTER.  
 
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