High Seas Forecast
Issued by NWS
Issued by NWS
328 FZPN03 KNHC 292045 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC WED JUL 29 2026 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE EQUATOR E OF 120W SYNOPSIS VALID 1800 UTC WED JUL 29. 24 HOUR FORECAST VALID 1800 UTC THU JUL 30. 48 HOUR FORECAST VALID 1800 UTC FRI JUL 31. .WARNINGS. ...HURRICANE WARNING... .HURRICANE GENEVIEVE NEAR 19.2N 120.1W 970 MB AT 2100 UTC JUL 29 MOVING WNW OR 290 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM E SEMICIRCLE...80 NM SW QUADRANT AND 100 NM NW QUADRANT.SEAS 4 M OR GREATER WITHIN 210 NM OF CENTER EXCEPT 240 NM NW QUADRANT WITH SEAS TO 11 M. ELSEWHERE WITHIN 20N116W TO 23N120W TO 22N123W TO 17N124W TO 15N122W TO 16N116W TO 20N116W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 21N113W TO 30N118W TO 30N128W TO 23N140W TO 16N140W TO 12N122W TO 21N113W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL. .24 HOUR FORECAST HURRICANE GENEVIEVE NEAR 20.4N 124.2W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE QUADRANT...90 NM SE QUADRANT...70 NM SW QUADRANT...AND 100 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM N SEMICIRCLE...AND 180 NM S SEMICIRCLE WITH SEAS TO 10 M. ELSEWHERE WITHIN 21N119W TO 24N122W TO 24N127W TO 19N128W TO 17N126W TO 19N120W TO 21N119W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 22N117W TO 30N122W TO 27N140W TO 15N140W TO 13N129W TO 15N122W TO 22N117W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL. .36 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 21.2N 126.6W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. .48 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 22.0N 129.2W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE QUADRANT...70 NM SE QUADRANT...50 NM SW QUADRANT...AND 80 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM N SEMICIRCLE...AND 150 NM S SEMICIRCLE WITH SEAS TO 8.5 M. ELSEWHERE WITHIN 24N125W TO 27N129W TO 27N132W TO 24N134W TO 20N132W TO 19N127W TO 24N125W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 25N123W TO 29N128W TO 27N140W TO 15N140W TO 21N133W TO 17N127W TO 25N123W 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. .06 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 11N88W TO 10N87W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST WITHIN 10N87W TO 11N87W TO 10N89W TO 10N90W TO 09N89W TO 09N88W TO 10N87W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN SE TO S SWELL. .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. CONVECTION VALID AT 1930 UTC WED JUL 29... .HURRICANE GENEVIEVE...NUMEROUS MODERATE ISOLATED STRONG WITHIN 180 NM NE QUADRANT...300 NM SE QUADRANT...AND 150 NM W SEMICIRCLE. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 1007 MB LOW PRES AT 10N76W TO 10N86W TO 08N92W TO 10N100W TO 08.5N108W TO 14N114.5W. ITCZ FROM 11N120W TO BEYOND 07N140W. ISOLATED TO WIDELY SCATTERED MODERATE AND ISOLATED STRONG FROM 02N TO 08N BETWEEN 77W AND 80W...FROM 03N TO 13N BETWEEN 93W AND 111W...FROM 12N TO 22N BETWEEN 103W AND 111W...AND WITHIN 210 NM EITHER SIDE OF ITCZ. $$ .FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.