857  
FZNT02 KNHC 210915  
HSFAT2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1030 UTC SAT MAR 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 0600 UTC SAT MAR 21.  
24 HOUR FORECAST VALID 0600 UTC SUN MAR 22.  
48 HOUR FORECAST VALID 0600 UTC MON MAR 23.  
 
.WARNINGS.  
 
.NONE.  
 
.SYNOPSIS AND FORECAST.  
 
.ATLC COLD FRONT FROM 30N65W TO 20N73W. WITHIN 31N56W TO 31N77W  
TO 29N80W TO 22N74W TO 24N59W TO 31N56W NW TO N WINDS 20 TO 25  
KT. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.  
.24 HOUR FORECAST COLD FRONT FROM 31N60W TO 18N68W. WITHIN  
31N52W TO 31N62W TO 25N64W TO 23N58W TO 27N53W TO 31N52W SW WINDS  
20 TO 30 KT. SEAS 2.5 TO 3.0 M IN S SWELL. ELSEWHERE WITHIN  
31N62W TO 31N67W TO 26N75W TO 21N72W TO 23N63W TO 25N64W TO  
31N62W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.  
.48 HOUR FORECAST COLD FRONT FROM 31N53W TO 18N64W. WITHIN  
31N48W TO 31N59W TO 28N57W TO 27N51W TO 28N49W TO 31N48W SW TO W  
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN W TO NW SWELL. ELSEWHERE  
WITHIN 27N52W TO 28N57W TO 31N60W TO 28N65W TO 24N64W TO 26N53W  
TO 27N52W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE  
SWELL.  
 
.ATLC WITHIN 31N35W TO 31N46W TO 20N58W TO 13N59W TO 07N51W TO  
07N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN N TO  
NE SWELL.  
.24 HOUR FORECAST WITHIN 31N35W TO 31N43W TO 10N55W TO 07N51W TO  
07N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN N TO  
NE SWELL.  
.48 HOUR FORECAST WITHIN 31N35W TO 18N43W TO 08N55W TO 07N35W TO  
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.  
 
.CARIBBEAN WITHIN 19N77W TO 20N78W TO 18N80W TO 16N80W TO 16N79W  
TO 17N78W TO 19N77W N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN  
2.5 M.  
.24 HOUR FORECAST WITHIN 19N74W TO 20N78W TO 19N79W TO 18N77W TO  
17N75W TO 17N74W TO 19N74W NE WINDS 20 TO 25 KT. SEAS LESS THAN  
2.5 M.  
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS 2.5 M.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.  
 

 
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.  
 
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