921  
AGXX40 KNHC 240628  
MIMATS  
 
MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
128 AM EST SAT FEB 24 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
 
 
GENERALLY FAIR WEATHER PREVAILS ACROSS THE BASIN WITH ONLY  
PATCHES OF CLOUDS MOVING QUICKLY ACROSS THE AREA. A WEAK COLD  
FRONT WILL MOVE INTO THE NW GULF LATE TONIGHT, THEN STALL AND  
WEAKEN FROM THE FL PANHANDLE TO NE MEXICO SUN THROUGH MON NIGHT.  
HIGH PRESSURE WILL BUILD ACROSS THE REGION TUE. MODERATE TO FRESH  
RETURN FLOW IS EXPECTED TO THE SOUTH OF THE FRONT, WITH SEAS OF  
4-6 FT DOMINATING MUCH OF THE OFFSHORE WATERS.  
 
...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN  
55W AND 64W...  
 
FAIR WEATHER CONDITIONS PREVAIL ACROSS THE BASIN. THE ONLY AREA  
WITH A FEW SHOWERS IS LOCATED SOUTH OF HISPANIOLA AND CUBA MAINLY  
NORTH OF 17N BETWEEN 73W-80W. ABUNDANT DRY AIR IN THE MID-TO-  
UPPER LEVELS OF THE ATMOSPHERE IS EXPECTED TO LIMIT SIGNIFICANT  
THUNDERSTORMS FROM DEVELOPING. HIGH PRES N OF THE AREA WILL  
SUPPORT FRESH TO STRONG TRADE WINDS EAST OF 80W THROUGH THIS  
MORNING. WINDS AND SEAS WILL GRADUALLY DIMINISH TODAY THROUGH TUE  
NIGHT, AS HIGH PRESSURE TO THE NORTH SLOWLY WEAKENS. HOWEVER,  
EXPECT STRONG PULSES ALONG THE COAST OF COLOMBIA EACH NIGHT  
THROUGH MID- WEEK DUE TO NOCTURNAL INFLUENCES. SEAS OF 10-11 FT  
CAN BE EXPECTED ASSOCIATED WITH THE STRONGEST WINDS.  
   
..SW N ATLANTIC INCLUDING THE BAHAMAS
 
 
STRONG SURFACE HIGH PRESSURE CENTERED NEAR BERMUDA AND DRY AIR  
IN THE MID AND UPPER-LEVELS ARE SUPPORTING FAIR WEATHER AND  
MODERATE TO FRESH WINDS ACROSS THE SUBTROPICAL WEST AND CENTRAL  
ATLANTIC WATERS THIS MORNING. HIGH PRESSURE CENTERED NEAR  
BERMUDA WILL WEAKEN AND SHIFT SOUTHWARD SAT THROUGH MON NIGHT. A  
COLD FRONT WILL MOVE OFF THE SE COAST OF THE U.S. ON MON, THEN  
BECOME STATIONARY ALONG 28N THROUGH TUE, WITH HIGH PRESSURE  
BUILDING N OF THE FRONT. LARGE SWELL OF 8-9 FT WILL REACH THE  
OFFSHORE ZONES E OF 60W MIDWEEK AS A STRONG MID LATITUDE STORM  
SYSTEM CROSSES THE CENTRAL ATLANTIC.  
 

 
   
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 LATTO. NATIONAL HURRICANE CENTER.  
 
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