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High Seas Forecast (Tropical Northeast Pacific)


000
FZPN03 KNHC 300307
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC THU JUL 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC THU JUL 30.
24 HOUR FORECAST VALID 0000 UTC FRI JUL 31.
48 HOUR FORECAST VALID 0000 UTC SAT AUG  1.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE GENEVIEVE NEAR 19.6N 120.8W 970 MB AT 0300 UTC JUL 30
MOVING WNW OR 290 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 85 KT 
GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE 
QUADRANT...120 NM SE QUADRANT...80 NM SW QUADRANT...AND 100 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 240 NM W SEMICIRCLE...210 
NM NE QUADRANT AND 180 NM SE QUADRANT WITH SEAS TO 10.5 M. 
ELSEWHERE...WITHIN 20N117W TO 23N121W TO 23N123W TO 21N124W TO 
17N121W TO 17N117W TO 20N117W WINDS 20 TO 33 KT. SEAS 3.5 TO 4.0 
M. REMAINDER OF AREA OVER FORECAST WATERS...WITHIN 22N114W TO 
30N119W TO 30N140W TO 14N140W TO 12N123W TO 14N115W TO 22N114W 
WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE GENEVIEVE NEAR 20.8N 125.0W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM NW AND SE QUADRANTS...100 NM NE QUADRANT AND 70 NM 
SW QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM N SEMICIRCLE...AND
180 NM S SEMICIRCLE WITH SEAS TO 9.5 M. ELSEWHERE...WITHIN 
23N122W TO 25N125W TO 24N130W TO 21N129W TO 19N124W TO 20N122W TO
23N122W WINDS 20 TO 33 KT. SEAS 3.5 TO 4.0 M. REMAINDER OF AREA 
OVER FORECAST WATERS...WITHIN 30N124W TO 24N130W TO 30N140W TO 
16N140W TO 15N128W TO 19N119W TO 30N124W WINDS 20 KT OR LESS. 
SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.36 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 21.6N 127.5W. 
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE 
WINDS WITHIN 90 NM ALL QUADRANTS...EXCEPT 60 NM SW QUADRANT. SEAS
4 M OR GREATER WITHIN 180 NM N SEMICIRCLE...AND 150 NM S 
SEMICIRCLE WITH SEAS TO 8.5 M. ELSEWHERE...WITHIN 23N125W TO 
25N127W TO 25N131W TO 22N132W TO 20N128W TO 20N124W TO 23N125W 
WINDS 20 TO 33 KT. SEAS 3.5 TO 4.0 M. REMAINDER OF AREA OVER
FORECAST WATERS...WITHIN 29N126W TO 27N140W TO 16N140W TO 
19N133W TO 17N126W TO 21N121W TO 29N126W WINDS 20 KT OR LESS. 
SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 22.3N 130.3W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 80 NM N SEMICIRCLE...70 NM SE QUADRANT AND 50 NM SW 
QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM N SEMICIRCLE...AND 
120 NM S SEMICIRCLE WITH SEAS TO 8.0 M. ELSEWHERE...WITHIN 
24N127W TO 27N133W TO 25N135W TO 22N134W TO 22N133W TO 21N128W TO
24N127W WINDS 20 TO 33 KT. SEAS 3.5 TO 4.0 M. REMAINDER OF AREA 
OVER FORECAST WATERS...WITHIN 24N124W TO 28N129W TO 27N140W TO 
18N140W TO 20N136W TO 19N127W TO 24N124W 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 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 11N86W TO 12N86W TO 12N88W TO 11N89W TO
10N88W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...E WINDS 20 
TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 0200 UTC THU JUL 30...

.HURRICANE GENEVIEVE...NUMEROUS MODERATE WITHIN 150 NM OF CENTER.

.TROPICAL WAVE AXIS ALONG 94W...SCATTERED MODERATE FROM 10N TO
13N BETWEEN 93W AND 96W. 

.TROPICAL WAVE AXIS ALONG 109W...SCATTERED MODERATE FROM 03N TO
18N BETWEEN 102W AND 112W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N80W TO 09N89W TO 09N104W TO
14N114W. ITCZ AXIS EXTENDS FROM 11N123W TO 08N140W.

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.