FZPN01 KWBC 311005
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JUL 31.
24 HOUR FORECAST VALID 0600 UTC AUG 01.
48 HOUR FORECAST VALID 0600 UTC AUG 02.

.WARNINGS.

...GALE WARNING...
.LOW 41N170E 992 MB MOVING NE 30 KT. WITHIN 120 NM SE SEMICIRCLE
WINDS 35 TO 45 KT. SEAS 4 TO 5.5 M.
ELSEWHERE WITHIN 240 NM SE OF A LINE FROM 46N175E TO 38N168E
WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M. ELSEWHERE WITHIN 420 NM SE
OF A LINE FROM 49N177E TO 42N169E TO 42N160E WINDS TO 25 KT.
SEAS 2.5 TO 4 M...HIGHEST S OF LOW CENTER.
.24 HOUR FORECAST LOW 51N179E 984 MB. WITHIN 240 NM SE
SEMICIRCLE...AND WITHIN 180 NM SE OF LINE FROM 47N178W TO
42N180W TO 39N176E WINDS 30 TO 40 KT. SEAS 3.5 TO 6 M. ELSEWHERE
FROM 40N TO 54N BETWEEN 172W AND 167E WINDS 20 TO 30 KT. SEAS
2.5 TO 4 M.
.48 HOUR FORECAST LOW 55N179W 986 MB. WITHIN 480 NM SW...600 NM
SE...360 NM NE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3.5 M.

...GALE WARNING...
.LOW 34N162E 1005 MB MOVING NE 25 KT. WITHIN 240 NM SE OF A LINE
FROM 38N168E TO 35N160E WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.18 HOUR FORECAST LOW 38N172E 1003 MB. WITHIN 120 NM SE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 3.5 TO 4.5 M.
.24 HOUR FORECAST LOW 37N173E 1002 MB. WITHIN 120 NM SE
SEMICIRCLE...AND WITHIN 90 NM SE AND S OF A LINE FROM 36N173E TO
34N170E TO 34N160E WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE
S OF 40N W OF 177W WINDS TO 25 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW 40N179E 1007 MB. WITHIN 180 NM SE...AND
120 NM NW SEMICIRCLES...AND WITHIN 180 NM SE OF A LINE FROM
39N179E TO 33N174E TO 31N164E WINDS 20 TO 30 KT. SEAS 2.5 TO
4.5. ELSEWHERE S OF 47N BETWEEN A LINE FROM 47N164W TO 30N176W
AND A LINE FROM 47N175E TO 36N173E TO 30N165E WINDS TO 25 KT.
SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.LOW 51N173E 996 MB MOVING NE 10 KT. WITHIN 300 NM SW QUADRANT
WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MERGED WITH LOW
51N179E DESCRIBED ABOVE.

.WITHIN 60 NM OF THE COAST OF CALIFORNIA AND OREGON FROM 33N TO
43N WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 90 NM OF THE COAST OF CALIFORNIA AND
OREGON FROM 33N TO 43N WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 90 NM OF THE COAST OF CALIFORNIA AND
OREGON FROM 33N TO 43N WINDS 20 TO 30 KT. SEAS TO 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 59N
BETWEEN 164W AND 172E.
.24 HOUR FORECAST DENSE FOG WITHIN 600 NM NE OF A LINE FROM
43N161W TO 55N171E
.48 HOUR FORECAST DENSE FOG WITHIN 240 NM NE OF A LINE FROM
56N168W...AND FROM 46N TO 56N BETWEEN 157W AND 168W.

.FORECASTER POCHE. OCEAN PREDICTION CENTER.

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 0600 UTC THU JUL 31.
24 HOUR FORECAST VALID 0600 UTC FRI AUG 1.
48 HOUR FORECAST VALID 0600 UTC SAT AUG 2.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GIL NEAR 12.7N 115.1W 1004 MB AT 0900 UTC JUL 31
MOVING W OR 275 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE
QUADRANT...140 NM SE QUADRANT...50 NM SW QUADRANT...AND 0 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 0 NM W SEMICIRCLE...210 NM
NE QUADRANT AND 150 NM SE QUADRANT WITH SEAS TO 4 M. ELSEWHERE
WITHIN 16N111W TO 18N114W TO 16N116W TO 10N117W TO 10N114W TO
12N111W TO 16N111W WINDS 20 TO 33 KT. SEAS 2.5 TO 3.0 M.
REMAINDER OF AREA WITHIN 12N108W TO 17N109W TO 18N112W TO
09N118W TO 04N122W TO 06N112W TO 12N108W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM GIL NEAR 14.5N 119.6W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM W SEMICIRCLE...130 NM NE QUADRANT AND 150 NM SE
QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM NE QUADRANT...120 NM
SE QUADRANT...60 NM SW QUADRANT AND 150 NM NW QUADRANT WITH SEAS
TO 5.5 M. ELSEWHERE WITHIN 15N116W TO 17N117W TO 15N118W TO
17N120W TO 13N120W TO 12N117W TO 15N116W WINDS 20 TO 33 KT. SEAS
4 TO 5 M. WITHIN 17N117W TO 18N119W TO 18N122W TO 17N123W TO
15N123W TO 17N120W TO 17N117W NE TO E WINDS 20 TO 30 KT. SEAS 3
TO 4 M. WITHIN 13N116W TO 12N118W TO 12N120W TO 11N120W TO
11N118W TO 12N117W TO 13N116W WINDS 20 TO 25 KT. SEAS 3 TO 4 M.
WITHIN 14N110W TO 19N112W TO 19N119W TO 07N125W TO 07N119W TO
09N113W TO 14N110W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
MIXED SWELL.
.36 HOUR FORECAST HURRICANE GIL NEAR 15.7N 122.5W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.48 HOUR FORECAST HURRICANE GIL NEAR 17.1N 125.7W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 140 NM NE QUADRANT...120 NM SE QUADRANT...70 NM SW
QUADRANT...AND 110 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN
210 NM NE QUADRANT...240 NM SE QUADRANT AND 120 NM W SEMICIRCLE
WITH SEAS TO 7 M. ELSEWHERE WITHIN 19N123W TO 20N126W TO 19N127W
TO 17N127W TO 16N125W TO 17N123W TO 19N123W WINDS 20 TO 33 KT.
SEAS 5 TO 6 M. WITHIN 20N123W TO 21N125W TO 20N129W TO 17N129W TO
14N123W TO 16N121W TO 20N123W WINDS 20 TO 30 KT. SEAS 3 TO 4 M.
WITHIN 20N117W TO 23N119W TO 23N124W TO 16N130W TO 07N125W TO
15N117W TO 20N117W 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 16N94W TO 16N95W TO 16N96W TO 15N96W TO 14N96W TO 14N95W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
14N96W TO 14N95W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

.WITHIN 17N135W TO 20N138W TO 20N140W TO 12N140W TO 12N138W TO
14N135W TO 17N135W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
TO E SWELL.
.24 HOUR FORECAST WITHIN 18N131W TO 21N134W TO 21N140W TO
12N140W TO 13N135W TO 18N131W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN E SWELL.
.48 HOUR FORECAST WITHIN 23N133W TO 23N140W TO 12N140W TO
18N133W TO 23N133W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E
SWELL.

.06 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 11N88W 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.
.24 HOUR FORECAST LITTLE CHANGE.
.36 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 0950 UTC THU JUL 31...

.TROPICAL STORM GIL CENTERED NEAR 12.7N 115.1W...NUMEROUS STRONG
IS FROM 10N TO 14N BETWEEN 112W AND 118W. SCATTERED MODERATE TO
STRONG ELSEWHERE FROM 05N TO 17N BETWEEN 108W AND 124W.

.TROPICAL WAVE WITH AXIS NEAR 87W...SCATTERED MODERATE OCCURRING
FROM 03N TO 10N BETWEEN 80W AND 90W.

.TROPICAL WAVE WITH AXIS NEAR 97W...NUMEROUS MODERATE TO STRONG
FROM 11N TO 16N BETWEEN 95W AND 101W. SCATTERED MODERATE
ELSEWHERE
FROM 04N TO 17N BETWEEN 90W AND 101W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 09N84W TO 12N110W THEN RESUMES
FROM 10N120W TO 08N135W. THE ITCZ EXTENDS FROM 08N135W TO
11N140W.

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.