


High Seas Forecast
Issued by NWS
Issued by NWS
015 FZNT02 KNHC 190415 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC TUE AUG 19 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 TUE AUG 19. 24 HOUR FORECAST VALID 0000 UTC WED AUG 20. 48 HOUR FORECAST VALID 0000 UTC THU AUG 21. .WARNINGS. ...ATLC HURRICANE WARNING... .HURRICANE ERIN NEAR 24.4N 71.7W 949 MB AT 0300 UTC AUG 19 MOVING NW OR 320 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM E SEMICIRCLE...140 NM SW QUADRANT AND 170 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 420 NM NE QUADRANT...360 NM SE QUADRANT...180 NM SW QUADRANT...AND 330 NM NW QUADRANT WITH SEAS TO 15.5 M. ELSEWHERE WITHIN 28N67W TO 29N73W TO 26N76W TO 21N75W TO 20N68W TO 23N65W TO 28N67W...INCLUDING ATLANTIC EXPOSURES... WINDS 20 TO 33 KT. SEAS 4.0 TO 5.5 M. REMAINDER OF AREA WITHIN 31N64W TO 29N72W TO 31N80W TO 26N77W TO 19N67W TO 23N64W TO 31N64W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 3.0 TO 4.5 M IN MIXED SWELL. .24 HOUR FORECAST HURRICANE ERIN NEAR 27.1N 73.2W. MAXIMUM SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM E SEMICIRCLE...150 NM SW QUADRANT AND 180 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 360 NM NE QUADRANT...330 NM SE QUADRANT...270 NM SW QUADRANT...AND 390 NM NW QUADRANT WITH SEAS TO 16 M. ELSEWHERE WITHIN 31N68W TO 29N70W TO 31N76W TO 29N78W TO 23N76W TO 24N67W TO 31N68W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 TO 33 KT. SEAS 4.0 TO 5.5 M. REMAINDER OF AREA WITHIN 31N62W TO 31N67W TO 29N81W TO 22N73W TO 20N68W TO 26N63W TO 31N62W WINDS 20 KT OR LESS. SEAS 3.0 TO 4.5 M IN MIXED SWELL. .48 HOUR FORECAST HURRICANE ERIN CENTERED N OF THE AREA NEAR 31.4N 73.5W. MAXIMUM SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM W SEMICIRCLE...210 NM NE QUADRANT AND 230 NM SE QUADRANT. OVER FORECAST WATERS SEAS 4 M OR GREATER WITHIN 360 NM S SEMICIRCLE WITH SEAS TO 14 M. ELSEWHERE WITHIN 31N66W TO 28N71W TO 31N78W TO 27N76W TO 26N72W TO 26N69W TO 31N66W WINDS 20 TO 33 KT. SEAS 5.5 TO 7.0 M. REMAINDER OF AREA WITHIN 31N62W TO 31N81W TO 27N79W TO 23N75W TO 23N70W TO 24N65W TO 31N62W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 3.0 TO 4.5 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. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. $$ .FORECASTER RAMOS. NATIONAL HURRICANE CENTER.