864  
FZNT02 KNHC 170416  
HSFAT2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0430 UTC SUN AUG 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 SUN AUG 17.  
24 HOUR FORECAST VALID 0000 UTC MON AUG 18.  
48 HOUR FORECAST VALID 0000 UTC TUE AUG 19.  
 
.WARNINGS.  
   
..HURRICANE WARNING  
 
.HURRICANE ERIN NEAR 20.3N 65.1W 937 MB AT 0300 UTC AUG 17  
MOVING WNW OR 290 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 120 KT  
GUSTS 145 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM NE  
QUADRANT...110 NM SE QUADRANT...40 NM SW QUADRANT...AND 150 NM  
NW QUADRANT. SEAS 4 M OR GREATER WITHIN 270 NM NE QUADRANT...180  
NM SE QUADRANT...120 NM SW QUADRANT...AND 240 NM NW QUADRANT  
WITH SEAS TO 11.5 M. ELSEWHERE WITHIN 28N61W TO 27N67W TO 23N70W  
TO 17N65W TO 18N60W TO 21N58W TO 28N61W...INCLUDING IN ATLANTIC  
EXPOSURES AND PASSAGES...WINDS 20 TO 33 KT. SEAS 3.0 TO 4.5 M.  
.24 HOUR FORECAST HURRICANE ERIN NEAR 22.0N 68.5W. MAXIMUM  
SUSTAINED WINDS 130 KT GUSTS 160 KT. TROPICAL STORM FORCE WINDS  
WITHIN 160 NM NE QUADRANT...140 NM SE QUADRANT...105 NM SW  
QUADRANT...AND 150 NM NW QUADRANT. SEAS 4 M OR GREATER  
WITHIN 270 NM NE QUADRANT...210 NM SE QUADRANT...210 NM SW  
QUADRANT...AND 270 NM NW QUADRANT WITH SEAS TO 13.5 M. ELSEWHERE  
WITHIN 24N63W TO 27N66W TO 26N70W TO 24N73W TO 19N69W TO 20N64W  
TO 24N63W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 TO 33 KT.  
SEAS 4.0 TO 5.5 M. REMAINDER OF AREA WITHIN 29N64W TO 30N70W TO  
24N75W TO 18N69W TO 19N62W TO 23N60W TO 29N64W...INCLUDING IN  
ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5  
TO 3.0 M IN MIXED SWELL.  
.48 HOUR FORECAST HURRICANE ERIN NEAR 24.5N 70.8W. MAXIMUM  
SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS  
WITHIN 160 NM E SEMICIRCLE...130 NM SW QUADRANT AND 150 NM NW  
QUADRANT. SEAS 4 M OR GREATER WITHIN 315 NM NE QUADRANT...270 NM  
SE QUADRANT...180 NM SW QUADRANT...AND 330 NM NW QUADRANT WITH  
SEAS TO 15 M. ELSEWHERE WITHIN 28N65W TO 29N71W TO 27N75W TO  
22N74W TO 20N69W TO 24N65W TO 28N65W...INCLUDING ATLANTIC  
EXPOSURES...WINDS 20 TO 33 KT. SEAS 4.0 TO 5.5 M. REMAINDER OF  
AREA WITHIN 30N63W TO 29N73W TO 31N79W TO 22N75W TO 19N66W TO  
24N62W TO 30N63W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR  
LESS. SEAS 2.5 TO 3.0 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.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.  
 
 
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.  
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