437
FZPN01 KWBC 011616
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC FRI AUG 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 01.
24 HOUR FORECAST VALID 1200 UTC AUG 02.
48 HOUR FORECAST VALID 1200 UTC AUG 03.

.WARNINGS.

...GALE WARNING...
.LOW 53N179E 980 MB MOVING N 15 KT. WITHIN 420 NM NE...540 NM
SE...AND 420 NM SW QUADRANTS...AND WITHIN 180 NM SW OF A LINE
FROM 51N177E TO 53N173W...AND WITHIN 240 NM E AND SE OF A LINE
FROM 47N175W TO 44N175W TO 39N179E WINDS 25 TO 35 KT. SEAS 3 TO 5
M. ELSEWHERE FROM 40N TO 56N BETWEEN 169W AND 167E WINDS 20 TO 30
KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 56N179E 985 MB. WITHIN 360 NM S SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 3.5 M. ELSEWHERE N OF 47N BETWEEN 163W
AND 172E WINDS TO 25 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW 56N180W 992 MB. WITHIN 540 NM S QUADRANT
WINDS TO 25 KT. SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.LOW 38N175E 1007 MB MOVING NE 10 KT. WITHIN 240 NM SE AND 120 NM
NE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 2.5 TO 4.5 M. ELSEWHERE
FROM 35N TO 40N BETWEEN 174W AND 170E WINDS TO 25 KT. SEAS TO 3
M.
.24 HOUR FORECAST LOW 41N180W 1009 MB. WITHIN 480 NM E SEMICIRCLE
WINDS 20 TO 30 KT. SEAS 3 TO 4 M. ELSEWHERE FROM 37N TO 47N
BETWEEN 175E AND 47N161W TO 37N171E WINDS TO 25 KT. SEAS 2.5 TO 4
M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS DIMINISHED.

.WITHIN 90 NM OF THE COAST OF CALIFORNIA AND OREGON FROM 33N TO
42N WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST WITHIN 90 NM OF THE COAST OF CALIFORNIA AND
OREGON FROM 33N TO 42N WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 32N TO 42N BETWEEN 119W AND 125W WINDS TO
25 KT. SEAS TO 2.5 M.

.LOW 34N170E 1009 MB. WITHIN 180 NM SE OF A LINE FROM 32N163E TO
LOW CENTER TO 35N174E WINDS 20 TO 30 KT. SEAS TO 3.5 M. ELSEWHERE
S OF 35N W OF 177E WINDS LESS THAN 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 33N173E 1009 MB. S OF 37N BETWEEN 179E AND
171E WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 38N176E 1011 MB. S OF 38N BETWEEN 179W AND
170E WINDS 20 TO 30 KT. SEAS TO 3 M.

.48 HOUR FORECAST LOW 49N159W 1013 MB. WITHIN 360 NM S QUADRANT
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. FROM 41N TO 52N BETWEEN 153W
AND 174W WINDS TO 25 KT. SEAS TO 3.5 M.

.48 HOUR FORECAST LOW W OF AREA 40N157W 985 MB. FROM 36N TO 44N W
OF 165W WINDS 20 TO 30 KT. SEAS TO 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 59N
BETWEEN 157W AND 177E AND N OF 52N BETWEEN 174W AND 173E.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM NE AND N OF A LINE FROM
60N177W TO 58N168W TO 56N166W...WITHIN 300 NM E AND SE OF A LINE
FROM 54N163W AND 49N163W AND 44N178W...AND FROM 49N TO 52N W OF
167W.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM S OF A LINE FROM
50N160E TO 53N168E TO 54N179W...FROM 41N TO 44N W OF
161E...WITHIN 180 NM S OF A LINE FROM 44N173W TO 49N163W TO
49N154W TO 46N151W...AND WITHIN 90 NM E OF A LINE FROM 55N159W TO
51N152W TO 46N150W.

.FORECASTER HYDE. 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 AUG 1.
24 HOUR FORECAST VALID 1200 UTC SAT AUG  2.
48 HOUR FORECAST VALID 1200 UTC SUN AUG  3.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GIL NEAR 15.3N 121.5W 996 MB AT 1500 UTC AUG 01
MOVING WNW OR 290 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM E
SEMICIRCLE AND 90 NM W SEMICIRCLE.  SEAS 4 M OR GREATER WITHIN
240 NM NE QUADRANT...210 NM SE QUADRANT...90 NM SW
QUADRANT...AND 120 NM NW QUADRANT WITH SEAS TO 7.5 M. ELSEWHERE
WITHIN 17N118W TO 19N121W TO 18N124W TO 16N125W TO 11N120W TO
13N118W TO 17N118W WINDS 20 TO 33 KT. SEAS 3 TO 6 M IN MIXED
SWELL. REMAINDER OF AREA WITHIN 21N114W TO 19N127W TO 12N124W TO
06N128W TO 06N123W TO 11N114W TO 21N114W WINDS 20 KT OR LESS.
SEAS 2.5 TO 5 M IN S TO SW SWELL.
.12 HOUR FORECAST HURRICANE GIL NEAR 16.1N 123.9W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.24 HOUR FORECAST HURRICANE GIL NEAR 17.6N 127.1W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 110 NM NW AND SE QUADRANTS...130 NM NE QUADRANT AND 80 NM
SW QUADRANT. SEAS 4 M OR GREATER WITHIN 330 NM NE QUADRANT...270
NM SE QUADRANT...150 NM SW QUADRANT...AND 120 NM NW QUADRANT WITH
SEAS TO 10.0 M. ELSEWHERE WITHIN 19N123W TO 21N125W TO 20N130W
TO 17N130W TO 16N127W TO 16N123W TO 19N123W WINDS 20 TO 33 KT.
SEAS 3 TO 7 M IN MIXED SWELL. REMAINDER OF AREA WITHIN 24N121W TO
24N140W TO 13N140W TO 13N130W TO 07N124W TO 17N118W TO 24N121W
WINDS 20 KT OR LESS. SEAS 2.5 TO 5 M IN E TO SE SWELL.
.36 HOUR FORECAST TROPICAL STORM GIL NEAR 19.0N 130.3W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT.
.48 HOUR FORECAST TROPICAL STORM GIL NEAR 20.3N 133.6W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM NE QUADRANT...70 NM SE QUADRANT...60 NM SW
QUADRANT...AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 270
NM NE QUADRANT...240 NM SE QUADRANT...150 NM SW QUADRANT...AND
180 NM NW QUADRANT WITH SEAS TO 9.5 M. ELSEWHERE WITHIN 24N133W
TO 24N135W TO 23N137W TO 20N137W TO 19N133W TO 22N131W TO 24N133W
WINDS 20 TO 33 KT. SEAS 3 TO 7 M IN MIXED SWELL. REMAINDER OF
AREA WITHIN 19N126W TO 27N130W TO 26N140W TO 16N140W TO 06N131W
TO 11N130W TO 19N126W WINDS 20 KT OR LESS. SEAS 2.5 TO 5 M IN E
TO SE 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 21N130W TO 22N140W TO 11N140W TO 15N131W TO 21N130W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.24 HOUR FORECAST CONDITIONS TO MERGE WITH AREA OF SWELL
ASSOCIATED WITH GIL DESCRIBED ABOVE.

.WITHIN 16N94.5W TO 16N95W TO 15.5N95.5W TO 14.5N95.5W TO
15.5N94.5W TO 16N94.5W...INCLUDING THE GULF OF TEHUANTEPEC...N
TO NE WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST WITHIN 16N95W TO 15N95W TO 14N96W TO 14N95W TO
16N95W...INCLUDING THE GULF OF TEHUANTEPEC.. N TO NE WINDS 20 TO
25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.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.
.09 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.12 HOUR FORECAST WITHIN 03N94W TO 04N95W TO 03N95W TO 02N95W TO
02N95W TO 02N94W TO 03N94W WINDS 20 KT OR LESS. SEAS 2.5 M IN S
TO SW SWELL.
.24 HOUR FORECAST WITHIN 05.5N98W TO 05.5N98.5W TO 05N99W TO
05N99W TO 05N98.5W TO 05N98W TO 05.5N98W WINDS 20 KT OR LESS.
SEAS 2.5 M IN S TO SW SWELL.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.21 HOUR FORECAST WITHIN 03S81.5W TO 03S87W TO 03S88W TO 03.4S88W
TO 03.4S81.5W TO 03S81.5W WINDS 20 KT OR LESS. SEAS 2.5 M IN S
TO SW SWELL.
.24 HOUR FORECAST WITHIN 03S81.5W TO 03S85.5W TO 02.5S86.5W TO
03.4S88.5W TO 03.5S85W TO 03.4S81.5W TO 03S81.5W WINDS 20 KT OR
LESS. SEAS 2.5 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 04N81W TO 03N82W TO 04N84W TO 03N84W TO
02N82W TO 03N81W TO 04N81W WINDS 20 KT OR LESS. SEAS 2.5 M IN S
TO SW SWELL.

.36 HOUR FORECAST WITHIN 02S119W TO 02S119W TO 01S120W TO
03.4S120W
TO 03.4S117W TO 02S119W WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO
SW SWELL.
.48 HOUR FORECAST WITHIN 00N122W TO 03N128W TO 01N129W TO
03.4S120W TO 01S120W TO 03.4S112W TO 00N122W 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 1500 UTC FRI AUG 1...

.TROPICAL STORM GIL...SCATTERED TO NUMEROUS MODERATE TO STRONG
FROM 12.5N TO 16N BETWEEN 120W AND 123W. SCATTERED MODERATE
ISOLATED STRONG ELSEWHERE FROM 10N TO 17.5N BETWEEN 118W AND
124W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N74W TO 07N98W TO 11N108W
THEN RESUMES FROM 11.5N123W TO 06.5N135W TO 07N140W. SCATTERED
MODERATE ISOLATED STRONG CONVECTION FROM 06N TO 09N BETWEEN 88W
AND 93.5W. SCATTERED MODERATE TO STRONG CONVECTION FROM 05N TO
16.5N BETWEEN 95W AND 101W AND FROM 06N TO 11N BETWEEN 123W AND
137W.


.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

$$