939
FZPN03 KNHC 302031
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC THU JUL 30.
24 HOUR FORECAST VALID 1800 UTC FRI JUL 31.
48 HOUR FORECAST VALID 1800 UTC SAT AUG 1.
.WARNINGS.
..HURRICANE WARNING
.HURRICANE GENEVIEVE NEAR 20.8N 124.8W 984 MB AT 2100 UTC JUL 30
MOVING WNW OR 285 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 65 KT
GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM E
SEMICIRCLE...80 NM SW QUADRANT AND 110 NM NW QUADRANT. SEAS 4 M
OR GREATER WITHIN 210 NM OF CENTER EXCEPT 150 NM SE QUADRANT
WITH SEAS TO 9.5 M. ELSEWHERE WITHIN 24N121W TO 24N127W TO
21N128W TO 17N125W TO 18N122W TO 20N120W TO 24N121W WINDS 20 TO
33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 24N117W TO
30N122W TO 27N140W TO 15N140W TO 14N128W TO 19N118W TO 24N117W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.12 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 21.2N 126.7W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.24 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 21.9N 129.3W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 80 NM N SEMICIRCLE...60 NM SE QUADRANT AND 50 NM SW
QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM OF CENTER...EXCEPT
135 NM SE QUADRANT WITH SEAS TO 7 M. ELSEWHERE WITHIN 26N127W
TO 27N130W TO 25N133W TO 21N133W TO 20N128W TO 21N126W TO 26N127W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN
30N128W TO 27N140W TO 15N140W TO 19N135W TO 16N130W TO 21N124W TO
30N128W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 23.6N 135.1W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM N SEMICIRCLE...50 NM SE QUADRANT AND 30 NM SW
QUADRANT. SEAS 4 M OR GREATER WITHIN 120 OF CENTER...EXCEPT 75 NM
SE QUADRANT WITH SEAS TO 6 M. ELSEWHERE WITHIN 28N133W TO
29N137W TO 27N140W TO 24N140W TO 21N135W TO 24N132W TO 28N133W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN
27N131W TO 30N136W TO 30N140W TO 21N140W TO 20N134W TO 24N130W TO
27N131W 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 10N86W TO 11N86W TO 11N90W TO 09N91W TO 08N89W TO 10N86W
..INCLUDING THE GULF OF PAPAGAYO
NE TO E WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.09 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...NW TO N WINDS 20 TO
25 KT. SEAS LESS THAN 2.5 M.
.24 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 1945 UTC THU JUL 30...
HURRICANE GENEVIEVE
NUMEROUS MODERATE TO STRONG WITHIN 30 NM
SE SEMICIRCLE...AND 60 NM NW SEMICIRCLE. SCATTERED MODERATE
ELSEWHERE WITHIN 180 NM OF CENTER.
TROPICAL WAVE ALONG 79W
NUMEROUS MODERATE SCATTERED STRONG
FROM 01N TO 10N BETWEEN 77W AND 87W.
TROPICAL WAVE ALONG 100W
SCATTERED MODERATE ISOLATED STRONG
FROM 05N TO 07.5N BETWEEN 98W AND 105W.
TROPICAL WAVE ALONG 110.5W
ISOLATED TO WIDELY SCATTERED
MODERATE TO STRONG FROM 03N TO 23N BETWEEN 105W AND 116W.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH FROM 10N84W TO 07N90W. ITCZ FROM 07N90W TO
06N104W TO 12N121W. MONSOON TROUGH FROM 14N127W TO 07N140W.
SCATTERED MODERATE FROM 08N TO 11.5N BETWEEN 121W AND 127W...
AND FROM 03N TO 09N BETWEEN 132W AND 140W.
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.
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