715  
FZNT02 KNHC 201457  
HSFAT2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1630 UTC TUE OCT 20 2026  
 
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  
 
SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE  
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE  
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
SECURITE  
 
ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND  
GULF OF AMERICA  
 
SYNOPSIS VALID 1200 UTC TUE OCT 20.  
24 HOUR FORECAST VALID 1200 UTC WED OCT 21.  
48 HOUR FORECAST VALID 1200 UTC THU OCT 22.  
 
.WARNINGS.  
 
.NONE.  
 
.SYNOPSIS AND FORECAST.  
 
.ATLC COLD FRONT FROM 31N68W TO 24N74W TO 21N77W. WITHIN 31N67W  
TO 31N81W TO 24N82W TO 25N76W TO 21N69W TO 31N69W...INCLUDING IN  
THE STRAITS OF FLORIDA AND IN ATLC EXPOSURES...WINDS 20 KT OR  
LESS...EXCEPT S OF 27N W OF 78W NE WINDS 20 TO 25 KT. SEAS 2.5  
TO 3.5 M IN N TO NE SWELL.  
.24 HOUR FORECAST COLD FRONT FROM 31N67W TO 25N70W THEN  
DISSIPATING STATIONARY FRONT TO 21N76W. WITHIN 31N68W TO 31N81W  
TO 26N80W TO 25N77W TO 28N70W TO 31N68W...INCLUDING IN ATLC  
EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N TO NE  
SWELL.  
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 31N66W TO 25N69W.  
WITHIN 31N67W TO 31N81W TO 28N80W TO 26N76W TO 28N74W TO 26N71W  
TO 31N67W...INCLUDING IN ATLC EXPOSURES...WINDS 20 KT OR LESS.  
SEAS 2.5 TO 3 M IN N TO NE SWELL.  
 
.ATLC WITHIN 31N48W TO 31N52W TO 30N51W TO 30N49W TO 30N48W TO  
31N48W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. ELSEWHERE  
WITHIN 31N46W TO 31N57W TO 30N54W TO 30N51W TO 29N48W TO 31N46W  
WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN E TO SE SWELL.  
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.  
 
.GULF OF AMERICA TROUGH FROM 29N93W TO 18N94W. WITHIN 27N88W TO  
29N90W TO 28N92W TO 28N96W TO 26N90W TO 26N87W TO 27N88W NE TO E  
WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.  
.18 HOUR FORECAST TROUGH TO WEAKEN ALONG 95W S OF 26N. WINDS 20  
KT OR LESS. SEAS LESS THAN 2.5 M.  
 
.GULF OF AMERICA WITHIN 20N94W TO 21N95W TO 21N96W TO 20N96W TO  
19N96W TO 19N94W TO 20N94W...INCLUDING WITHIN 60 NM OF COAST OF  
VERACRUZ...NW TO N WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.  
.24 HOUR FORECAST LITTLE CHANGE.  
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.  
 

 
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.  
 
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