819
FZPN03 KNHC 280928
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC TUE JUL 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC TUE JUL 28.
24 HOUR FORECAST VALID 0600 UTC WED JUL 29.
48 HOUR FORECAST VALID 0600 UTC THU JUL 30.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE GENEVIEVE NEAR 17.5N 115.4W 943 MB AT 0900 UTC JUL 28
MOVING NW OR 305 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 120 KT
GUSTS 145 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM NE
QUADRANT...120 NM SE QUADRANT...90 NM SW QUADRANT...AND 130 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 240 NM S SEMICIRCLE...300
NM NE QUADRANT AND 270 NM NW QUADRANT WITH SEAS TO 12.5 M.
ELSEWHERE...WITHIN 19N112W TO 21N116W TO 20N118W TO 17N118W TO
15N114W TO 16N112W TO 19N112W WINDS 20 TO 33 KT. SEAS 3.5 TO 4.0
M. REMAINDER OF AREA...WITHIN 22N108W TO 25N121W TO 11N122W TO
02N127W TO 07N116W TO 03N112W TO 22N108W...INCLUDING NEAR CABO
CORRIENTES AND WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS
2.5 TO 4.0 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE GENEVIEVE NEAR 18.6N 118.0W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM NW AND SE QUADRANTS...140 NM NE QUADRANT AND 90 NM
SW QUADRANT. SEAS 4 M OR GREATER WITHIN 270 NM N SEMICIRCLE AND
240 NM S SEMICIRCLE WITH SEAS TO 12 M. ELSEWHERE...WITHIN 19N114W
TO 21N116W TO 21N120W TO 19N121W TO 16N118W TO 16N115W TO
19N114W WINDS 20 TO 33 KT. SEAS 3.5 TO 4.0 M. REMAINDER OF
AREA...WITHIN 23N111W TO 30N118W TO 30N126W TO 25N132W TO 17N135W
TO 12N114W TO 23N111W...INCLUDING SEBASTIAN VIZCAINO BAY AND
WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN
MIXED SWELL.
.48 HOUR FORECAST HURRICANE GENEVIEVE NEAR 19.8N 121.8W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 110 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 90 NM
SW QUADRANT. SEAS 4 M OR GREATER WITHIN 240 NM OF CENTER...EXCEPT
270 NM NW QUADRANT WITH SEAS TO 10.5 M. ELSEWHERE...WITHIN
22N118W TO 24N122W TO 22N125W TO 18N123W TO 17N119W TO 20N117W TO
22N118W WINDS 20 TO 33 KT. SEAS 3.5 TO 4.0 M. REMAINDER OF AREA
OVER FORECAST WATERS...WITHIN 30N119W TO 30N140W TO 15N140W TO
19N132W TO 13N122W TO 23N112W TO 30N119W...INCLUDING SEBASTIAN
VIZCAINO BAY AND WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS.
SEAS 2.5 TO 4.0 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.

.WITHIN 31N113W TO 31N114W TO 30N114W TO 30N113W TO
31N113W...INCLUDING THE GULF OF CALIFORNIA...SE TO S WINDS 20 TO
25 KT. SEAS LESS THAN 2.5 M.
.09 HOUR FORECAST CONDITIONS IMPROVE.

.WITHIN 01S99W TO 00N101W TO 01S106W TO 03.4S108W TO 03.4S96W TO
03S96W TO 01S99W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO
SW SWELL.
.15 HOUR FORECAST CONDITIONS IMPROVE.

.39 HOUR FORECAST WITHIN 12N88W TO 11N88W TO 10N88W TO 10N86W TO
11N86W TO 12N88W...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 0830 UTC TUE JUL 28...

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

.TROPICAL WAVE AXIS ALONG 102W...SCATTERED MODERATE FROM 03N TO
15N BETWEEN 99W AND 103W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 09N76W TO 08N93W TO 10N107W.
THE ITCZ EXTENDS FROM 08N122W TO 05N140W. SCATTERED MODERATE
ISOLATED STRONG FROM 01N TO 09N BETWEEN 77W AND 92W AND FROM 00N
TO 08N BETWEEN 128W AND 140W.

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.