735
FZPN02 KWBC 311725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC THU JUL 31 2025

CCODE/2:31:12:11:00/AOW+POR+AOE/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUL 31.
24 HOUR FORECAST VALID 1200 UTC AUG 01.
48 HOUR FORECAST VALID 1200 UTC AUG 02.

.WARNINGS.

...STORM WARNING...
.LOW 44N174E 988 MB MOVING NE 30 KT. WITHIN 180 NM E AND SE
QUADRANTS WINDS 35 TO 50 KT. SEAS 4 TO 6 M. ALSO WITHIN 240 NM E
QUADRANT AND 240 NM E AND SE OF A FRONT FROM THE LOW TO 37N171E
TO 34N161E WINDS 25 TO 40 KT. SEAS 3 TO 5 M. ELSEWHERE FROM 33N
TO 50N BETWEEN 175W AND 167E AND FROM 30N TO 37N BETWEEN 167E AND
160E WINDS 20 TO 30 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW 54N179E 982 MB. WITHIN 300 NM S SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE FROM 46N TO 62N
BETWEEN 170W AND 168E WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW 56N179W 988 MB. WITHIN 420 NM S SEMICIRCLE
AND 600 NM N AND NE QUADRANTS WINDS TO 25 KT. SEAS TO 3.5 M.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 41N178E 999 MB. WITHIN 180 NM E AND SW
QUADRANTS WINDS 25 TO 35 KT. SEAS TO 4 M. ELSEWHERE FROM 33N TO
44N BETWEEN 171W AND 173E WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 47N172W 1008 MB. WITHIN 300 NM E AND SE OF
A FRONT FROM THE LOW TO 37N180W TO 30N170E WINDS 20 TO 30 KT.
SEAS TO 4 M.

.SYNOPSIS AND FORECAST.

.LOW 53N174E 996 MB MOVING NE 10 KT. FROM 50N TO 58N BETWEEN 173W
AND 167E WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW ABSORBED INTO LOW 54N179E WITH CONDITIONS
DESCRIBED ABOVE.

.WITHIN 90 NM OF THE CALIFORNIA AND OREGON COASTS FROM 33N TO 43N
WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST WITHIN 60 NM OF THE CALIFORNIA AND OREGON
COASTS FROM 33N TO 43N WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST WITHIN 90 NM OF THE CALIFORNIA COAST FROM 33N
TO 41N WINDS TO 25 KT. SEAS TO 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN AN AREA
BOUNDED BY A LINE FROM 42N160W TO 42N170E TO 54N170E TO 60N177W
TO 55N161W TO 42N160W.
.24 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY A LINE FROM
42N155W TO 43N177W TO 56N172E TO 62N174W TO 55N159W TO 42N155W.
.48 HOUR FORECAST DENSE FOG FROM 57N TO 62N W OF 163W...FROM 48N
TO 52N BETWEEN 160E AND 170E...AND WITHIN 240 NM EITHER SIDE OF A
LINE FROM 53N157W TO 48N162W TO 43N177W.

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

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GIL NEAR 13.2N 116.2W 1000 MB AT 1500 UTC JUL 31
MOVING W OR 280 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE
QUADRANT...140 NM SE QUADRANT...50 NM SW QUADRANT...AND 20 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 4.5 M. WITHIN
16N113W TO 16N116W TO 15N117W TO 11N117W TO 09N116W TO 13N112W TO
16N113W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE WITHIN
17N110W TO 17N113W TO 15N116W TO 06N122W TO 07N112W TO 10N109W TO
17N110W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE GIL NEAR 15.0N 120.9W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 130 NM NE QUADRANT...150 NM SE QUADRANT...80 NM SW
QUADRANT...AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 250
NM NE QUADRANT...200 NM SE QUADRANT...60 NM SW QUADRANT AND 90 NM
NW QUADRANT WITH SEAS TO 7 M. WITHIN 16N117W TO 18N119W TO
18N122W TO 17N124W TO 13N122W TO 12N118W TO 16N117W WINDS 20 TO
33 KT. SEAS 3 TO 6 M. ELSEWHERE WITHIN 19N113W TO 18N122W TO
14N118W TO 08N125W TO 09N116W TO 12N113W TO 19N113W WINDS 20 KT
OR LESS. SEAS 2.5 TO 5 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE GIL NEAR 17.8N 127.4W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 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 240
NM E SEMICIRCLE AND 120 NM W SEMICIRCLE WITH SEAS TO 9 M. WITHIN
20N124W TO 21N126W TO 20N130W TO 17N129W TO 16N127W TO 16N124W
TO 20N124W WINDS 20 TO 33 KT. SEAS 3 TO 6 M. ELSEWHERE WITHIN
23N120W TO 20N133W TO 13N128W TO 08N127W TO 11N122W TO 17N118W TO
23N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 4 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 14N96W TO 15N95W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
30 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 15N95W TO 16N94W TO 16N95W TO 14N97W TO
13N97W 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 16N94W TO 16N95W TO 14N96W TO 14N95W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
30 KT. SEAS 2.5 M IN MIXED NE AND SW SWELL.

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

.WITHIN 17N135W TO 20N140W TO 12N140W TO 13N136W TO 17N135W
WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED NE AND SW SWELL.
.24 HOUR FORECAST WITHIN 18N133W TO 21N133W TO 22N140W TO
12N140W TO 14N135W TO 18N133W WINDS 20 KT OR LESS. SEAS 2.5 M IN
MIXED E AND SW SWELL.
.48 HOUR FORECAST WITHIN 21N133W TO 23N140W TO 14N140W TO
18N134W TO 21N133W WINDS 20 KT OR LESS. SEAS 2.5 M IN NE TO E
SWELL.

.48 HOUR FORECAST WITHIN 03S81.5W TO 03S85W TO 03S87W TO
03.4S89.5W TO 03.4S81.5W TO 03S81.5W...EXCEPT LEE OF GALAPAGOS
ISLANDS...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 1200 UTC THU JUL 31...

.TROPICAL STORM GIL NEAR 13.2N 116.2W...NUMEROUS STRONG FROM 09N
TO 14N BETWEEN 115W AND 119W. SCATTERED MODERATE TO STRONG FROM
07N TO 16N BETWEEN 113W AND 124W.

.TROPICAL WAVE AXIS ALONG 87W. SCATTERED MODERATE ISOLATED
STRONG FROM 05N TO 12N BETWEEN 83W AND 92W.

.TROPICAL WAVE AXIS ALONG 99W. SCATTERED MODERATE ISOLATED
STRONG FROM 11N TO 17N BETWEEN 93W AND 103W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 13N108W...AND 11N119W TO 09N139W.
ITCZ FROM 09N139W TO BEYOND 10N140W.

.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1200 UTC JUL 31 2025.
24 HOUR FORECAST VALID 1200 UTC AUG 01 2025.
48 HOUR FORECAST VALID 1200 UTC AUG 02 2025.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM IONA NEAR 12.7N 168.7W 1001 MB AT 1500 UTC JUL
31 MOVING W OR 280 DEG AT 18 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM N
SEMICIRCLE AND 0 NM S SEMICIRCLE.
.24 HOUR FORECAST TROPICAL STORM IONA NEAR 14.0N 174.9W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 30 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. 4 M OR GREATER
150 NM OF CENTER WITH SEAS TO 5 M.
.48 HOUR FORECAST TROPICAL STORM IONA NEAR 14.7N 178.0W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS AND SEAS 4 M OR GREATER.

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.

.LOW NEAR 11N149W 1010 MB MOVING W 10 KT. WINDS 20 TO 25 KT FROM
16N TO 12N BETWEEN 151W AND 145W. SEAS 2.5 TO 4 M FROM 19N TO 11N
BETWEEN 151W AND 142W.
.24 HOUR FORECAST LOW BECOMES TROUGH 13N153W 10N154W 09N154W.
WINDS 20 TO 25 KT FROM 15N TO 13N BETWEEN 157W AND 151W. SEAS 2.5
TO 4 M FROM 19N TO 11N BETWEEN 161W AND 142W.
.48 HOUR FORECAST TROUGH 13N160W 09N160W. WINDS 20 TO 25 KT FROM
16N TO 12N BETWEEN 164W AND 155W. SEAS 2.5 TO 4 M FROM 19N TO 12N
BETWEEN 165W AND 153W.

.TROUGH 30N148W 26N153W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER OF
FORECAST AREA.

.ITCZ 12N140W TO LOW NEAR 11N149W TO 07N153W 08N158W TO T.S. IONA
TO 07N179E 09N160E.

.ISOLATED MODERATE TSTMS N OF 25N BETWEEN 178E AND 160W.


$$

.FORECASTER PIERCE. HONOLULU HI.