907
FZPN01 KWBC 311534
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC FRI JUL 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 31.
24 HOUR FORECAST VALID 1200 UTC AUG 01.
48 HOUR FORECAST VALID 1200 UTC AUG 02.

.WARNINGS.

...GALE WARNING...
.FROM 36N TO 40N BETWEEN 119W AND 130W AREA OF NW TO N WINDS TO
25 KT. SEAS TO 3 M.
.24 HOUR FORECAST FROM 33N TO 40N BETWEEN 119W AND 128W AREA OF
NW TO N WINDS TO 25 KT. SEAS TO 3 M.
.36 HOUR FORECAST S OF 42N BETWEEN 120W AND 129W AREA OF NW WINDS
25 TO 35 KT. SEAS TO 3 M.
.48 HOUR FORECAST S OF 42N BETWEEN 120W AND 131W AREA OF NW WINDS
25 TO 35 KT. SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.COMPLEX LOW WITH MAIN CENTER 51N140W 1005 MB MOVING E 10 KT.
FROM 36N TO 55N BETWEEN 131W AND 149W WINDS TO 25 KT. SEAS TO 3
M...HIGHEST NEAR 48N144W.
.24 HOUR FORECAST LOW 50N134W 1012 MB. WITHIN 600 NM S AND SW
QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED.

.LOW 55N171W 1006 MB MOVING NE 10 KT. S OF THE ALEUTIAN ISLANDS N
OF 43N BETWEEN 158W AND 180W WINDS TO 25 KT. SEAS TO 3
M...HIGHEST NEAR 49N177W.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 56N163W 1009
MB. FROM 42N TO 59N BETWEEN 149W AND 170W WINDS TO 25 KT. SEAS TO
2.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 52N154W 1017
MB. BETWEEN 300 NM AND 600 NM SE QUADRANT WINDS TO 25 KT. SEAS TO
2.5 M.

.S OF 35N BETWEEN 160W AND 172W AREA OF NE TO E WINDS TO 25 KT.
SEAS TO 2.5 M.
.24 HOUR FORECAST S OF 36N W OF 166W AREA OF E WINDS TO 25 KT.
SEAS TO 3 M.
.48 HOUR FORECAST S OF 37N W OF 171W AREA OF E WINDS TO 25 KT.
SEAS TO 3 M.

.24 HOUR FORECAST LOW W OF AREA 53N163E 997 MB. WITHIN 480 NM E
QUADRANT WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST COMPLEX LOW W OF AREA WITH FIRST CENTER 54N169E
1002 MB AND SECOND CENTER NEAR 60N178E 998 MB. WITHIN 480 NM E
QUADRANT OF FIRST CENTER AND WITHIN 420 NM SE SEMICIRCLE OF
SECOND CENTER WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M...HIGHEST E OF
FIRST CENTER.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 58N
BETWEEN 158W AND 175W...AND WITHIN 90 NM EITHER SIDE OF A LINE
FROM 48N169W TO 45N173W TO 43N180W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM EITHER SIDE OF A LINE
FROM 58N166W TO 54N157W TO 48N158W TO 43N166W...AND W OF A LINE
FROM 42N169W TO 59N178E.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM SE OF A LINE FROM
51N147W TO 44N154W...AND FROM 43N TO 65N W OF 167W.

.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 FRI JUL 31.
24 HOUR FORECAST VALID 1200 UTC SAT AUG  1.
48 HOUR FORECAST VALID 1200 UTC SUN AUG  2.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM GENEVIEVE NEAR 22.1N 128.6W 996 MB AT 1500 UTC
JUL 31 MOVING WNW OR 290 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS
50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM N
SEMICIRCLE...90 NM SE QUADRANT AND 80 NM SW QUADRANT.  SEAS 4 M
OR GREATER WITHIN 180 NM NE QUADRANT...90 NM SE QUADRANT...120
NM SW QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 8.0 M.
ELSEWHERE 23N125W TO 25N128W TO 24N131W TO 21N130W TO 19N127W TO
20N125W TO 23N125W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M.
REMAINDER OF AREA WITHIN 30N123W TO 30N131W TO 27N140W TO 15N140W
TO 16N127W TO 20N123W TO 30N123W WINDS 20 KT OR LESS. SEAS TO
3.0 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 23.4N 133.5W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 80 NM N SEMICIRCLE AND 50 NM S SEMICIRCLE. SEAS 4 M
OR GREATER WITHIN 150 NM N AND 90 NM S SEMICIRCLE WITH SEAS TO
7.0 M. ELSEWHERE WITHIN 26N131W TO 27N134W TO 26N139W TO 24N138W
TO 22N135W TO 22N132W TO 26N131W WINDS 20 TO 33 KT. SEAS 3.0 TO
4.0 M. REMAINDER OF AREA WITHIN 28N130W TO 30N133W TO 30N139W TO
20N140W TO 18N133W TO 22N128W TO 28N130W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 25.1N 139.1W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 50 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS 4 M
OR GREATER WITHIN 90 NM NE AND 60 NM SW SEMICIRCLES WITH SEAS TO
5.0 M. ELSEWHERE WITHIN 28N137W TO 30N140W TO 24N140W TO 25N137W
TO 28N137W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF
AREA WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 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 11N86W TO 11N89W TO 11N90W TO 10N90W TO 10N88W TO 10N87W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20
TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 11N86W TO 11N89W TO 11N90W TO 10N90W TO
10N88W TO 10N87W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 16N94.5W TO 16.5N94.5W TO 16N95.5W TO 15N95.5W TO
14.5N95W TO 15N94.5W TO 16N94.5W...INCLUDING THE GULF OF
TEHUANTEPEC... N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.42 HOUR FORECAST WITHIN 31N113W TO 31N114W TO 30N115W TO
29N113W TO 30N113W TO 31N113W...INCLUDING THE GULF OF
CALIFORNIA... SE TO S 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 1500 UTC FRI JUL 31...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 06N95W. ITCZ FROM 06N95W TO
09N112W...AND FROM 06N115W TO 10N122W. MONSOON TROUGH FROM
14N130W TO BEYOND 09N140W. NUMEROUS MODERATE TO SCATTERED STRONG
FROM 05N TO 08N EAST OF 80W. SCATTERED MODERATE FROM 03N TO 07N
BETWEEN 80W AND 95W...AND FROM 07N TO 12N BETWEEN 117W AND 121W.

.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

$$