831  
FZNT02 KNHC 100837  
HSFAT2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1030 UTC TUE MAR 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 TUE MAR 10.  
24 HOUR FORECAST VALID 0600 UTC WED MAR 11.  
48 HOUR FORECAST VALID 0600 UTC THU MAR 12.  
 
.WARNINGS.  
   
..CARIBBEAN GALE WARNING  
 
.WITHIN 12N70W TO 13N76W TO 11N77W TO 10N76W TO 11N74W TO 10N71W  
TO 12N70W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20  
TO 30 KT. SEAS LESS THAN 2.5 M GULF OF VENEZUELA...AND 2.5 TO 3.0  
M ELSEWHERE.  
.21 HOUR FORECAST WITHIN 12N74W TO 12N75W TO 11N75W TO 11N74W TO  
12N74W NE TO E WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M...BUILDING TO  
4.0 M. ELSEWHERE WITHIN 12N70W TO 14N75W TO 12N78W TO 10N76W TO  
11N74W TO 10N71W TO 12N70W...INCLUDING THE GULF OF VENEZUELA...  
NE TO E WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M GULF OF VENEZUELA  
...AND 2.5 TO 3.0 M ELSEWHERE.  
.24 HOUR FORECAST LITTLE CHANGE.  
.30 HOUR FORECAST WITHIN 14N75W TO 14N77W TO 11N79W TO 10N78W TO  
10N76W TO 12N74W TO 14N75W NE TO E WINDS 20 TO 30 KT. SEAS 2.5  
TO 4.0 M...HIGHEST NEAR 11.5N75.5W.  
.45 HOUR FORECAST WITHIN 12N74W TO 12N75W TO 11N75W TO 11N74W TO  
12N74W NE TO E WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE  
WITHIN 14N75W TO 13N79W TO 10N79W TO 11N74W TO 12N75W TO 11N70W  
TO 14N75W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20  
TO 30 KT. SEAS LESS THAN 2.5 M GULF OF VENEZUELA...AND 2.5 TO  
3.0 M ELSEWHERE.  
.48 HOUR FORECAST LITTLE CHANGE.  
 
.SYNOPSIS AND FORECAST.  
 
.ATLC TROUGH FROM 31N40.5W TO 22N40W. WITHIN 31N35W TO 30N39W TO  
31N39W TO 31N45W TO 29N44W TO 28N35W TO 31N35W NE WINDS 20 TO 25  
KT...EXCEPT SE WINDS E OF TROUGH. SEAS 2.5 TO 3.0 M. ELSEWHERE  
WITHIN 28N35W TO 31N39W TO 31N45W TO 26N48W TO 26N43W TO 23N35W  
TO 28N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.  
.24 HOUR FORECAST TROUGH WEAKENING FROM 31N47W TO 24N46.5W. WITHIN  
29N35W TO 30N40W TO 30N42W TO 27N40W TO 23N35W TO 29N35W WINDS  
20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL.  
.48 HOUR FORECAST TROUGH DIFFUSE FROM 31N52W TO 26N52.5W. WITHIN  
29N35W TO 30N40W TO 29N46W TO 25N46W TO 26N40W TO 24N35W TO  
29N35W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN E SWELL.  
 
.ATLC WITHIN 17N53W TO 21N63W TO 10N61W TO 07N43W TO 12N53W TO  
17N53W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20  
KT OR LESS...EXCEPT NE TO E 20 TO 25 KT NEAR THE LEEWARD ISLANDS.  
SEAS 2.5 TO 3.0 M WITH NE SWELL.  
.24 HOUR FORECAST WITHIN 16N55W TO 18N62W TO 10N59W TO 12N57W TO  
10N53W TO 12N52W TO 16N55W...INCLUDING IN ATLANTIC EXPOSURES AND  
PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E  
SWELL.  
.48 HOUR FORECAST WITHIN 10N52W TO 13N57W TO 14N60W TO 11N60W TO  
06N52W TO 07N44W TO 10N52W...INCLUDING ATLANTIC EXPOSURES...  
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.  
 
.ATLC AND CARIBBEAN 18 HOUR FORECAST WITHIN 20N70W TO 22N71W TO  
20N74W TO 17N73W TO 17N71W TO 18N70W TO 20N70W...INCLUDING THE  
APPROACH TO THE WINDWARD PASSAGE...AND S OF HISPANIOLA...NE TO E  
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.  
.24 HOUR FORECAST LITTLE CHANGE.  
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 2.5 M.  
 
.GULF OF AMERICA DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM  
WITHIN 30N84W TO 30N85W TO 30N86W TO 29N85W TO 29N83W TO 30N84W.  
.09 HOUR FORECAST CONDITIONS IMPROVE.  
 
.GULF OF AMERICA 15 HOUR FORECAST WITHIN 22N88W TO 23N89W TO  
22N90W TO 21N91W TO 21N90W TO 22N88W NE TO E WINDS 20 TO 25 KT.  
SEAS LESS THAN 2.5 M.  
.24 HOUR FORECAST WITHIN 29N93W TO 29N95W TO 26N97W TO 24N98W TO  
24N96W TO 26N94W TO 29N93W SE TO S WINDS 20 TO 25 KT. SEAS LESS  
THAN 2.5 M.  
.33 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 2.5 M.  
.39 HOUR FORECAST WITHIN 23N87W TO 23N88W TO 23N89W TO 22N90W TO  
22N88W TO 23N87W E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5  
M.  
.48 HOUR FORECAST CONDITIONS IMPROVE. 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 LEWITSKY. NATIONAL HURRICANE CENTER.  
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