212  
ABNT20 KNHC 170501  
TWOAT  
 
TROPICAL WEATHER OUTLOOK  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
200 AM EDT FRI OCT 17 2025  
 
FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF AMERICA:  
 
EAST OF THE WINDWARD ISLANDS INTO THE CARIBBEAN SEA:  
A TROPICAL WAVE CURRENTLY LOCATED OVER THE CENTRAL TROPICAL ATLANTIC  
IS ASSOCIATED WITH A LARGE AREA OF SHOWERS AND THUNDERSTORMS. SOME  
GRADUAL DEVELOPMENT OF THIS SYSTEM IS POSSIBLE OVER THE NEXT SEVERAL  
DAYS AS IT MOVES WESTWARD AT 15 TO 20 MPH. REGARDLESS OF  
DEVELOPMENT, HEAVY RAINFALL AND GUSTY WINDS ARE POSSIBLE AS THE  
SYSTEM MOVES ACROSS THE WINDWARD ISLANDS LATE THIS WEEKEND AND  
ENTERS THE CARIBBEAN SEA BY THE EARLY TO MIDDLE PART OF NEXT WEEK.  
* FORMATION CHANCE THROUGH 48 HOURS...LOW...10 PERCENT.  
* FORMATION CHANCE THROUGH 7 DAYS...LOW...30 PERCENT.  
 
NORTH ATLANTIC:  
A NON-TROPICAL AREA OF LOW PRESSURE IS CURRENTLY DEVELOPING SEVERAL  
HUNDRED MILES TO THE SOUTH OF OF NOVA SCOTIA, CANADA. THIS SYSTEM IS  
EXPECTED TO DROP SOUTHEASTWARD AND THEN TURN NORTHEASTWARD BY THIS  
WEEKEND, AND SOME SUBTROPICAL OR TROPICAL DEVELOPMENT COULD OCCUR  
WHILE THE SYSTEM MOVES OVER THE GULF STREAM TO THE NORTHEAST OF  
BERMUDA. BY EARLY NEXT WEEK, THE SYSTEM WILL MOVE FURTHER  
NORTHEASTWARD INTO COLDER WATERS, ENDING ITS CHANCES FOR  
DEVELOPMENT.  
* FORMATION CHANCE THROUGH 48 HOURS...LOW...10 PERCENT.  
* FORMATION CHANCE THROUGH 7 DAYS...LOW...10 PERCENT.  
 

 
FORECASTER GIBBS  
 
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