527  
FZNT02 KNHC 130402  
HSFAT2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0430 UTC WED AUG 13 2025  
 
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 0000 UTC WED AUG 13.  
24 HOUR FORECAST VALID 0000 UTC THU AUG 14.  
48 HOUR FORECAST VALID 0000 UTC FRI AUG 15.  
 
.WARNINGS.  
   
..ATLC TROPICAL STORM WARNING  
 
.TROPICAL STORM ERIN NEAR 16.7N 40.1W 1004 MB AT 0300 UTC AUG 13  
MOVING W OR 260 DEG AT 17 KT. MAXIMUM SUSTAINED WINDS 40 KT  
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM N SEMICIRCLE  
AND 0 NM S SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 75 NM NE  
QUADRANT...15 NM SE QUADRANT...0 NM SW QUADRANT...AND 30 NM NW  
QUADRANT WITH SEAS TO 4.5 M. ELSEWHERE...WITHIN 18N37W TO 20N39W  
TO 20N42W TO 18N41W TO 16N41W TO 16N39W TO 18N37W WINDS 20 TO 33  
KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA...WITHIN 22N35W TO  
22N39W TO 21N41W TO 18N37W TO 17N37W TO 17N35W TO 22N35W WINDS 20  
KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.  
.24 HOUR FORECAST TROPICAL STORM ERIN NEAR 16.2N 45.5W. MAXIMUM  
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS  
WITHIN 50 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS 4 M OR  
GREATER WITHIN 120 NM QUADRANT...30 NM SE QUADRANT...AND 60 NM NW  
QUADRANT WITH SEAS TO 4.5 M. ELSEWHERE...WITHIN 21N41W TO 21N42W  
TO 21N46W TO 16N47W TO 15N43W TO 18N44W TO 21N41W WINDS 20 TO 33  
KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA...WITHIN 22N39W TO  
23N46W TO 20N48W TO 17N47W TO 16N43W TO 19N37W TO 22N39W WINDS 20  
KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.  
.48 HOUR FORECAST TROPICAL STORM ERIN NEAR 17.3N 51.4W. MAXIMUM  
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS  
WITHIN 50 NM N SEMICIRCLE...30 NM SE QUADRANT AND 20 NM SW  
QUADRANT. SEAS 4 M OR GREATER WITHIN 60 NM S SEMICIRCLE...150 NM  
NE QUADRANT...AND 90 NM NW SEMICIRCLE WITH SEAS TO 6.0 M.  
ELSEWHERE...WITHIN 21N47W TO 23N51W TO 22N53W TO 16N52W TO 17N49W  
TO 18N49W TO 21N47W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M.  
REMAINDER OF AREA...WITHIN 23N45W TO 24N49W TO 23N54W TO 17N53W  
TO 17N48W TO 20N43W TO 23N45W WINDS 20 KT OR LESS. SEAS 2.5 TO  
3.5 M IN MIXED SWELL.  
 
FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE  
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE  
AND INTENSITY.  
 
.SYNOPSIS AND FORECAST.  
 
.CARIBBEAN WITHIN 17N86W TO 17N87W TO 16N88W TO 16N86W TO  
17N86W...INCLUDING THE GULF OF HONDURAS...E WINDS 20 TO 25 KT.  
SEAS LESS THAN 2.5 M.  
.06 HOUR FORECAST CONDITIONS IMPROVE.  
 
.CARIBBEAN WITHIN 13N73W TO 14N74W TO 13N75W TO 11N75W TO 12N73W  
TO 11N70W TO 13N73W...INCLUDING THE GULF OF VENEZUELA...NE TO E  
WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.  
.24 HOUR FORECAST WITHIN 12N71W TO 13N75W TO 13N78W TO 11N78W TO  
11N74W TO 11N71W TO 12N71W...INCLUDING THE GULF OF  
VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.  
.48 HOUR FORECAST CONDITIONS IMPROVE.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.  
 
 
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.  
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