209  
FZPN03 KNHC 272052  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2230 UTC MON JUL 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 MON JUL 27.  
24 HOUR FORECAST VALID 1800 UTC TUE JUL 28.  
48 HOUR FORECAST VALID 1800 UTC WED JUL 29.  
 
.WARNINGS.  
   
..HURRICANE WARNING  
 
.HURRICANE GENEVIEVE NEAR 16.6N 113.9W 934 MB AT 2100 UTC JUL 27  
MOVING NW OR 310 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 130 KT  
GUSTS 160 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM OF CENTER  
EXCEPT 90 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 240 NM S  
SEMICIRCLE...300 NM NE QUADRANT AND 270 NM NW QUADRANT WITH SEAS  
TO 13 M. ELSEWHERE WITHIN 20N111W TO 20N114W TO 19N116W TO  
15N117W TO 13N111W TO 15N109W TO 20N111W WINDS 20 TO 33 KT. SEAS  
2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 20N107W TO 24N111W TO  
22N117W TO 12N120W TO 08N117W TO 08N109W TO 20N107W...INCLUDING  
NEAR CABO CORRIENTES AND WITHIN 60 NM OF SHORE...WINDS 20 KT OR  
LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.  
.24 HOUR FORECAST HURRICANE GENEVIEVE NEAR 18.2N 116.6W. MAXIMUM  
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS  
WITHIN 120 NM OF CENTER EXCEPT 100 NM SW QUADRANT. SEAS 4 M OR  
GREATER WITHIN 270 NM N SEMICIRCLE...AND 240 NM S SEMICIRCLE  
WITH SEAS TO 12.5 M. ELSEWHERE WITHIN 21N112W TO 22N117W TO  
21N119W TO 15N120W TO 14N115W TO 15N112W TO 21N112W WINDS 20 TO  
33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 30N119W TO  
30N124W TO 15N127W TO 11N124W TO 10N114W TO 18N108W TO  
30N119W...INCLUDING NEAR SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM  
OF SHORE...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.  
.48 HOUR FORECAST HURRICANE GENEVIEVE NEAR 19.3N 119.8W. MAXIMUM  
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS  
WITHIN 110 NM E SEMICIRCLE...100 NM SW QUADRANT AND 120 NM NW  
QUADRANT. SEAS 4 M OR GREATER WITHIN 240 NM OF CENTER...EXCEPT  
270 NM NW QUADRANT WITH SEAS TO 11.5 M. ELSEWHERE WITHIN  
21N114W TO 24N117W TO 24N123W TO 19N124W TO 16N122W TO 15N116W TO  
21N114W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA  
WITHIN 21N111W TO 30N118W TO 25N136W TO 16N137W TO 12N122W TO  
13N114W TO 21N111W...INCLUDING WITHIN 60 NM OF SHORE...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.  
 
.WITHIN 26N138W TO 28N140W TO 17N140W TO 22N138W TO 26N138W  
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.  
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 2.5 M.  
 
.WITHIN 04N103W TO 06N120W TO 00N131W TO 03S110W TO 01S94W TO  
04N103W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.  
.24 HOUR FORECAST WITHIN 03N93W TO 00N110W TO 00N137W TO 01S111W  
TO 03.4S113W TO 03.4S88W TO 03N93W WINDS 20 KT OR LESS. SEAS TO  
2.5 M IN S TO SW SWELL.  
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 2.5 M.  
 
.12 HOUR FORECAST WITHIN 31N113W TO 32N114W TO 30N114W TO  
29N113W TO 30N112W TO 31N113W...INCLUDING THE NORTHERN GULF OF  
CALIFORNIA...SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.  
.18 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 2000 UTC MON JUL 27...  
   
HURRICANE GENEVIEVE  
NUMEROUS STRONG WITHIN 75 NM E SEMICIRCLE  
...AND 60 NM W SEMICIRCLE. NUMEROUS MODERATE ELSEWHERE WITHIN  
210 NM OF CENTER...EXCEPT WITHIN 150 NM NW QUADRANT.  
   
TROPICAL WAVE ALONG 99W  
SCATTERED MODERATE FROM 04N TO 09.5N  
BETWEEN 99W AND 103W...AND FROM 10N TO 15N BETWEEN 99W AND 102W.  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
 
MONSOON TROUGH FROM LOW PRES NEAR 10N75.5W TO 07N11W TO 09N87W  
TO 07N98W TO 11N107.5W...THEN RESUMES SW OF GENEVIEVE FROM  
10.5N114.5W TO 04N129W TO 05N138W. ITCZ FROM 05N138W TO BEYOND  
05N140W. SCATTERED TO NUMEROUS MODERATE ISOLATED STRONG FROM 01N  
TO 09N BETWEEN 77W AND 92W...WITHIN 30 NM EITHER SIDE OF MONSOON  
TROUGH BETWEEN 114.5W AND 125W...AND FROM 00N TO 08N BETWEEN  
125W AND 140W. SIMILAR CONVECTION WITHIN 180 NM OF COAST OF  
MEXICO BETWEEN 100W AND 110W.  
 
 
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.  
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