571  
AGXX40 KNHC 170603  
MIMATS  
 
MARINE WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
203 AM EDT FRI AUG 17 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 SURFACE TROUGH WILL DEVELOP ALONG THE YUCATAN PENINSULA DURING  
THE LATE AFTERNOONS, THEN DRIFT WESTWARD ACROSS THE SOUTHWEST  
GULF WATERS DURING THE OVERNIGHT HOURS ACCOMPANIED BY A FRESH  
EAST TO SOUTHEAST WIND SHIFT WITH THE TROUGH DISSIPATING ALONG  
96W DURING THE LATE MORNINGS. OTHERWISE, AN EAST TO WEST RIDGE  
EXTENDS ACROSS THE GULF WATERS ALONG 28N ACCOMPANIED BY GENTLE  
TO MODERATE ANTICYCLONIC FLOW FORECAST TO INCREASE TO A FRESH  
SOUTHERLY BREEZE ACROSS THE NORTHWEST WATERS ON SUN NIGHT  
THROUGH EARLY MON.  
 
...CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO 19N BETWEEN  
55W AND 64W...  
 
NOCTURNAL NEAR GALE FORCE EASTERLY TRADES EXPECTED ALONG THE  
NORTHWEST COAST OF COLOMBIA TONIGHT FOLLOWED BY STRONG NOCTURNAL  
TRADES THROUGH THE UPCOMING WEEKEND. A TROPICAL WAVE ALONG 69W  
WILL CONTINUE WESTWARD ACROSS THE CENTRAL CARIBBEAN TODAY, AND  
PASS THROUGH THE WESTERN CARIBBEAN WATERS DURING THE UPCOMING  
WEEKEND. A SECOND TROPICAL WAVE WILL REACH ALONG 55W TODAY,  
AND PASS THROUGH THE EAST CARIBBEAN ON SAT AND SUN ACCOMPANIED  
BY LOCALLY STRONG CONVECTION THROUGH EARLY SAT.  
   
..SW N ATLANTIC INCLUDING THE BAHAMAS
 
 
AN EAST TO WEST RIDGE EXTENDS 30N65W TO 28N81W WITH LIGHT  
SOUTHERLY WINDS NORTH OF RIDGE, LIGHT AND VARIABLE WINDS ELSEWHERE  
NORTH OF 23N, AND FRESH TRADES SOUTH OF 23N, EXCEPT BECOMING LOCALLY  
STRONG ALONG THE NORTH COAST OF HISPANIOLA DURING THE LATE AFTERNOON  
INTO EARLY EVENING HOURS.  
 

 
   
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 NELSON. NATIONAL HURRICANE CENTER.  
 
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