816
FZPN01 KWBC 301618
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

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 1200 UTC JUL 30.
24 HOUR FORECAST VALID 1200 UTC JUL 31.
48 HOUR FORECAST VALID 1200 UTC AUG 01.

.WARNINGS.

...GALE WARNING...
.LOW 53N141W 998 MB MOVING SW 10 KT THEN TURNING SE AFTER 12
HOURS. WITHIN 180 NM N AND E OF A FRONT FROM LOW CENTER TO
54N138W TO 54N135W TO 51N131W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
ELSEWHERE 44N TO 57N BETWEEN 128W AND 149W WINDS TO 25 KT. SEAS
TO 3 M.
.24 HOUR FORECAST LOW 51N140W 1004 MB. BETWEEN 90 NM AND 420 NM
SW AND W QUADRANTS...AND N OF 49N E OF 130W WINDS 20 TO 30 KT.
SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW 50N134W 1013 MB. BETWEEN 120 NM AND 600 NM
S AND SW QUADRANTS WINDS 20 TO 30 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 44N142W 1010 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 46N133W 1014 MB. WITHIN 120 NM SE OF A
FRONT FROM LOW CENTER TO 42N138W TO 38N146W WINDS TO 25 KT. SEAS
TO 2.5 M.
.48 HOUR FORECAST LOW 54N130W 1012 MB. CONDITIONS DIMINISHED.

.LOW 62N286E 1004 MB MOVING NE 25 KT. FROM 43N TO 54N W OF 171W
WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 55N170W 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 56N162W 1010
MB. WITHIN 840 NM SE AND 480 NM SW QUADRANTS WINDS TO 25 KT. SEAS
TO 2.5 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 1200 UTC THU JUL 30.
24 HOUR FORECAST VALID 1200 UTC FRI JUL 31.
48 HOUR FORECAST VALID 1200 UTC SAT AUG  1.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE GENEVIEVE NEAR 20.6N 123.5W 980 MB AT 1500 UTC JUL 30
MOVING WNW OR 290 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 70 KT
GUSTS 85 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 NE AND SW QUADRANTS...240 NM NW QUADRANT
AND 180 NM SE QUADRANT WITH SEAS TO 10 M. ELSEWHERE WITHIN
24N120W TO 24N126W TO 20N127W TO 18N126W TO 17N121W TO 18N119W
TO 24N120W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF
AREA WITHIN 24N116W TO 30N121W TO 27N140W TO 14N140W TO 17N135W
TO 13N125W TO 24N116W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN
MIXED SWELL.
.12 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 21.0N 125.5W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.24 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 21.7N 128.1W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 80 NM NE QUADRANT...70 NM SE QUADRANT...60 NM SW
QUADRANT...AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150
M E SEMICIRCLE...AND 180 NM W SEMICIRCLE WITH SEAS TO 8 M.
ELSEWHERE WITHIN 23N124W TO 26N126W TO 26N131W TO 23N132W TO
19N130W TO 18N127W TO 23N124W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0
M. REMAINDER OF AREA WITHIN 30N124W TO 25N131W TO 30N132W TO
27N140W TO 15N140W TO 17N124W TO 30N124W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 23.3N 133.6W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 80 NM N SEMICIRCLE...50 NM SE QUADRANT AND 40 NM SW
QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM OF CENTER...EXCEPT 75
NM SE QUADRANT WITH SEAS TO 5.5 M. ELSEWHERE WITHIN 27N132W TO
28N135W TO 26N139W TO 22N136W TO 21N131W TO 23N130W TO 27N132W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN
28N131W TO 30N135W TO 29N140W TO 21N140W TO 18N134W TO 24N129W TO
28N131W 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 11N89W TO 10N90W TO 08N89W TO 08N88W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25
KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.12 HOUR FORECAST WITHIN 16N94.5W TO 16N95W TO 14.5N95.5W TO
14N95W TO 14N94.5W TO 14.5N94.5W TO 16N94.5W...INCLUDING THE
GULF OF TEHUANTEPEC...NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.30 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 1500 UTC THU JUL 30...

.HURRICANE GENEVIEVE...NUMEROUS MODERATE TO STRONG WITHIN 60 NM
NE QUADRANT...120 NM S SEMICIRCLE...AND 180 NM NW SEMICIRCLE.

.TROPICAL WAVE ALONG 76W...NUMEROUS MODERATE TO STRONG FROM 02N
TO 10N BETWEEN 77W AND 83W.

.TROPICAL WAVE ALONG 98W...NUMEROUS MODERATE ISOLATED STRONG
FROM 09N TO 15N BETWEEN 98W AND 104W.

.TROPICAL WAVE ALONG 110W...ISOLATED TO WIDELY SCATTERED
MODERATE TO STRONG FROM 03N TO 24N BETWEEN 105W AND 115W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 05N98W TO 15N118W THEN RESUMES SSW
OF GENEVIEVE FROM 15N125W TO BEYOND 06.5N140W. ISOLATED TO
WIDELY SCATTERED MODERATE TO STRONG CONVECTION IS NOTED WITHIN
240 NM EITHER SIDE OF MONSOON TROUGH BETWEEN 130W AND 140W.

.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.

$$