926
FZPN01 KWBC 312216
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC THU JUL 31 2025

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT
TO 50N 160E

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1800 UTC JUL 31.
24 HOUR FORECAST VALID 1800 UTC AUG 01.
48 HOUR FORECAST VALID 1800 UTC AUG 02.

.WARNINGS.

...STORM WARNING...
.LOW 47N177E 986 MB MOVING NE 25 KT. WITHIN 120 NM SW AND 180 NM
SE QUADRANTS WINDS 35 TO 40 KT. SEAS 4 TO 6 M. ELSEWHERE WITHIN
240 NM S AND 300 NM E SEMICIRCLES...AND WITHIN 180 NM E AND SE OF
A FRONT FROM 44N180W TO 38N173E WINDS 25 TO 40 KT. SEAS 3 TO 5 M.
ELSEWHERE FROM 42N TO 50N BETWEEN 171W AND 168E AND WITHIN 300 NM
E AND SE OF FRONT WINDS 20 TO 30 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW 55N179E 984 MB. WITHIN 480 NM OF LOW EXCEPT
600 NM SE QUADRANT WINDS 20 TO 30 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 57N179E 988 MB. WITHIN 420 NM S SEMICIRCLE
AND 600 NM NE QUADRANT WINDS TO 25 KT. SEAS TO 3.5 M.

...GALE WARNING...
.LOW 36N170E 1007 MB MOVING NE 15 KT. BETWEEN 30N AND A FRONT
FROM 38N173E TO THE LOW TO 35N160E WINDS 25 TO 35 KT. SEAS TO 4
M.
.24 HOUR FORECAST LOW 39N177E 1005 MB. WITHIN 120 NM SE QUADRANT
WINDS 25 TO 35 KT. SEAS TO 4.5 M. ELSEWHERE FROM 35N TO 44N
BETWEEN 174W AND 173E WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 46N172W 1012 MB. WITHIN 240 NM E OF A LINE
FROM 50N166W TO THE LOW TO 40N178W WINDS 20 TO 30 KT. SEAS TO 4
M.

.SYNOPSIS AND FORECAST.

.WITHIN 60 NM OF THE CALIFORNIA AND OREGON COASTS FROM 38N TO 43N
WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 90 NM OF THE CALIFORNIA COAST FROM 33N
TO 40N WINDS TO 25 KT. SEAS TO 2.5 M.

.LOW 53N175E 992 MB MOVING NE 10 KT. N OF 50N WITHIN 540 NM NE
AND 300 NM W AND E QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW ABSORBED INTO LOW 55N179E WITH CONDITIONS
DESCRIBED ABOVE.

.24 HOUR FORECAST NEW LOW 33N170E 1007 MB. FROM 30N TO 34N
BETWEEN 174E AND 168E WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 35N174E 1009 MB. FROM 30N TO 38N BETWEEN
179E AND 172E WINDS TO 25 KT. SEAS TO 3 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN AN AREA
BOUNDED BY A LINE FROM 42N160W TO 46N172E TO 55N170E TO 60N180W
TO 56N163W TO 42N160W.
.24 HOUR FORECAST DENSE FOG WITHIN 240 NM EITHER SIDE OF A LINE
FROM 46N164W TO 58N170W TO 58N177E...AND FROM 48N TO 51N BETWEEN
172E AND 167E.
.48 HOUR FORECAST DENSE FOG WITHIN 240 NM EITHER SIDE OF A LINE
FROM 53N155W TO 46N173W TO 43N177W...WITHIN 120 NM EITHER SIDE OF
A LINE FROM 58N163W TO 61N176W...AND FROM 47N TO 52N BETWEEN 175E
AND 160E.

.FORECASTER COLLINS. 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 31.
24 HOUR FORECAST VALID 1800 UTC FRI AUG  1.
48 HOUR FORECAST VALID 1800 UTC SAT AUG  2.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GIL NEAR 13.5N 117.2W 1000 MB AT 2100 UTC JUL 31
MOVING WNW OR 285 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE
QUADRANT...140 NM SE QUADRANT...120 NM SW QUADRANT...AND 20 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 270 NM NE QUADRANT...180 NM
SE QUADRANT...90 NM SW QUADRANT...AND 120 NM NW QUADRANT WITH
SEAS TO 5.5 M. WITHIN 16N113W TO 17N117W TO 15N119W TO 14N118W
TO 08N116W TO 11N113W TO 16N113W WINDS 20 TO 33 KT. SEAS 3 TO 5.5

M. ELSEWHERE WITHIN 18N110W TO 16N120W TO 11N118W TO 05N128W TO
03N120W TO 10N109W TO 18N110W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.5 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE GIL NEAR 15.6N 122.2W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM W SEMICIRCLE...130 NM NE QUADRANT AND 140 NM SE
QUADRANT. SEAS 4 M OR GREATER WITHIN 300 NM NE QUADRANT...210 NM
SE QUADRANT...120 NM SW QUADRANT...AND 180 NM NW QUADRANT WITH
SEAS TO 7 M. WITHIN 19N120W TO 20N123W TO 16N126W TO 13N122W TO
11N122W TO 13N118W TO 19N120W WINDS 20 TO 33 KT. SEAS 3 TO 5 M.
ELSEWHERE WITHIN 21N116W TO 19N129W TO 11N124W TO 06N129W TO
06N123W TO 14N113W TO 21N116W WINDS 20 KT OR LESS. SEAS 2.5 TO
4.0 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE GIL NEAR 18.4N 129.0W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM E SEMICIRCLE...70 NM SW QUADRANT AND 100 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 300 NM NE QUADRANT...210 NM
SE QUADRANT...150 NM SW QUADRANT...AND 180 NM NW QUADRANT WITH
SEAS TO 9 M. WITHIN 20N126W TO 24N129W TO 21N133W TO 18N132W TO
17N129W TO 18N125W TO 20N126W WINDS 20 TO 33 KT. SEAS 4 TO 8 M.
ELSEWHERE WITHIN 24N121W TO 24N140W TO 14N140W TO 13N131W TO
05N133W TO 10N123W TO 24N121W WINDS 20 KT OR LESS. SEAS 2.5 TO
4.5M 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 16N94.5W TO 16N95.5W TO 14N95.5W TO 14.5N95W TO 15N94.5W
TO 16N94.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 15N95W TO 16N95W TO 14N96W TO
15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 16N95W TO 14N96W TO 14N95W TO
16N95W...INCLUDING THE GULF OF TEHUANTEPEC...NE WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.

.WITHIN 11N86W TO 12N86W TO 12N87W TO 11N88W TO 11N89W TO 10N88W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO
25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 11N86W TO 11N88W TO 11N90W TO 10N89W TO
10N88W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 20N133W TO 20N140W TO 12N140W TO 11N136W TO 12N128W TO
15N134W TO 20N133W WINDS 20 KT OR LESS. SEAS 2.5 M IN NE TO E
SWELL.
.24 HOUR FORECAST WITHIN 22N135W TO 23N140W TO 13N140W TO
14N136W TO 18N131W TO 22N135W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NE TO E SWELL.
.30 HOUR FORECAST CONDITIONS MERGED WITH SWELL FROM GIL.

.30 HOUR FORECAST WITHIN 04N94W TO 04N97W TO 04N99W TO 02N99W TO
02N94W TO 04N94W WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO SW
SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.39 HOUR FORECAST WITHIN 02.5S85W TO 02.5S87W TO 03S88.5W TO
03S93W TO 03.4S93.5W TO 03.4S81.5W TO 02.5S85W...EXCEPT LEE OF
GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO SW
SWELL.
48 HOUR FORECAST WITHIN 02S82W TO 01S83W TO 02S85W TO 03.4S88W
TO 03.4S81W TO 02S82W WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO SW
SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 1800 UTC THU JUL 31...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N86W TO 13N108W...THEN FROM 11N119W TO
08N140W. NUMEROUS STRONG FROM 11N TO 16N BETWEEN 115W AND 119W.
SCATTERED MODERATE TO ISOLATED STRONG FROM 05N TO 10N BETWEEN
85W AND 94W...AND 10N TO 16N BETWEEN 94W AND 107W. SCATTERED
MODERATE FROM 06N TO 12N BETWEEN 121W AND 130W.


.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.

$$