517
FZPN02 KWBC 302325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC THU JUL 30 2026

CCODE/2:31:12:11:00/AOW+POR+AOE/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE
NATIONAL WEATHER SERVICE. EMAIL US AT
VOSOPS@NOAA.GOV(LOWERCASE).

FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).

SECURITE

PACIFIC S OF 67N AND N OF 30N E OF A LINE FROM THE BERING STRAIT
TO 53N172E TO 50N180W TO 30N180W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1800 UTC JUL 30.
24 HOUR FORECAST VALID 1800 UTC JUL 31.
48 HOUR FORECAST VALID 1800 UTC AUG 01.

.WARNINGS.

...GALE WARNING...
.LOW 52N141W 1001 MB MOVING S 10 KT THEN TURNING SE AFTER 12
HOURS. WITHIN 180 NM N AND E OF A FRONT FROM LOW CENTER TO
53N143W TO 55N140W TO 54N133W TO 50N130W WINDS 25 TO 35 KT. SEAS
2.5 TO 4 M. ELSEWHERE FROM 44N TO 57N BETWEEN 128W AND 149W WINDS
TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 50N140W 1007 MB. BETWEEN 90 NM AND 420 NM
SW AND W QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW 51N131W 1014 MB. BETWEEN 120 NM AND 600 NM
S AND SW QUADRANTS WINDS TO 25 KT. SEAS 2.5 TO 3.5 M.

.SYNOPSIS AND FORECAST.

.S OF 40N BETWEEN 119W AND 130W AREA OF NW TO N WINDS TO 25 KT.
SEAS TO 3 M.
.24 HOUR FORECAST S OF 39N BETWEEN 119W AND 128W AREA OF NW TO N
WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST FROM 31N TO 40N BETWEEN 120W AND 126W AREA OF
NW WINDS 20 TO 30 KT. SEAS TO 3 M.

.LOW 43N144W 1013 MB MOVING NE 20 KT. WITHIN 420 NM SE AND 600 NM
SW QUADRANTS WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 48N132W 1015 MB. CONDITIONS DIMINISHED.

.LOW 52N178E 1004 MB MOVING NE 25 KT. FROM 43N TO 54N W OF 168W
WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 56N169W 1006 MB. BETWEEN 120 NM AND 660 NM
SE SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 55N162W 1010
MB. WITHIN 840 NM SE AND 480 NM SW QUADRANTS WINDS TO 25 KT. SEAS
TO 2.5 M.

.24 HOUR FORECAST S OF 34N BETWEEN 163W AND 175W AREA OF E WINDS
TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST S OF 35N W OF 167W AREA OF NE TO E WINDS TO 25
KT. SEAS TO 3 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 55N W OF
165W.
.24 HOUR FORECAST DENSE FOG FROM 47N TO 58N BETWEEN 158W AND
173W...AND WITHIN 180 NM SE OF A LINE FROM 48N169W TO 45N175W TO
45N180W.
.48 HOUR FORECAST DENSE FOG WITHIN 300 NM SE OF A LINE FROM
54N156W TO 50N155W TO 45N163W...AND FROM 42N TO 57N W OF 173W.

.FORECASTER ANDERSON. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

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.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W

SYNOPSIS VALID 1800 UTC JUL 30 2026.
24 HOUR FORECAST VALID 1800 UTC JUL 31 2026.
48 HOUR FORECAST VALID 1800 UTC AUG 01 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 24N161W 1013 MB MOVING W 10 KT. TROUGH FROM 30N160W
THROUGH LOW TO 22N161W MOVING W 10 KT. WINDS 20 TO 25 KT AND SEAS
2.5 TO 3 M WITHIN 240 NM OF N SEMICIRCLE. ISOLATED MODERATE TSTMS
WITHIN 210 NM OF LOW...AND FROM 29N TO 26N BETWEEN 161W AND 156W.
.24 HOUR FORECAST LOW WEAKENED TO TROUGH FROM 30N164W TO 26N166W
TO 21N168W. WINDS EASED TO 20 KT OR LESS. SEAS 2.5 TO 3 M N OF 26N
BETWEEN 171W AND 163W.
.48 HOUR FORECAST TROUGH 30N173W 24N175W. SEAS 2.5 TO 3 M N OF
28N W OF 170W.

.LOW NEAR 06N170W 1009 MB NEARLY STATIONARY. TROUGH FROM 09N165W
THROUGH LOW TO 03N176W NEARLY STATIONARY. ISOLATED MODERATE TSTMS
FROM 09N TO 04N W OF 172W...AND S OF 10N BETWEEN 167W AND 160W.
.24 HOUR FORECAST LOW WEAKENED TO TROUGH FROM 09N167W TO 06N180W.
.48 HOUR FORECAST TROUGH 09N172W 08N180W.

.LOW NEAR 05N150W MOVING W SLOWLY. ISOLATED MODERATE TSTMS FROM
08N TO 02N BETWEEN 155W AND 146W.
.24 HOUR FORECAST LOW NEAR 06N154W.
.48 HOUR FORECAST LOW WEAKENED AND MERGES WITH NEW TROUGH FROM
10N140W 08N148W 04N158W.

.TROUGH 20N160W 13N160W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.48 HOUR FORECAST WINDS 20 TO 30 KT FROM 27N TO 14N BETWEEN 165W
AND 147W. WINDS 20 TO 25 KT FROM 29N TO 24N E OF 143W.

.WINDS 20 KT OR LESS OVER THE REMAINDER OF FORECAST AREA.

.SEAS 2.5 TO 3 M FROM 27N TO 12N E OF 153W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 27N TO 13N E OF 156W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 28N TO 12N E OF 163W.

.SEAS 2.5 M OR LOWER OVER REMAINDER OF THE FORECAST AREA.

.MONSOON TROUGH 07N140W 05N154W. SCATTERED MODERATE TSTMS WITHIN
270 NM OF MONSOON TROUGH.

$$

.FORECASTER TROTTER. HONOLULU HI.