813
FZPN02 KWBC 040525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC MON AUG 04 2025

CCODE/1:31:12:01:00/AOW+POR/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC AUG 04.
24 HOUR FORECAST VALID 0000 UTC AUG 05.
48 HOUR FORECAST VALID 0000 UTC AUG 06.

.WARNINGS.

...TROPICAL STORM WARNING...
.48 HOUR FORECAST TROPICAL STORM BAILU NEAR 40.5N 161.5E.
MAXIMUM
SUSTAINED WINDS 35 KT GUST 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 140 NM SE QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM SE
QUADRANT WITH SEAS TO 5 M. ELSEWHERE WITHIN 120 NM N...AND 240 NM
S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M.

...GALE WARNING...
POST TROPICAL CYCLONE KROSA 43N163E 992 MB. WITHIN 240 NM N...AND
360 NM S SEMICIRCLES WINDS 25 TO 40 KT. SEAS 2.5 TO 7 M...HIGHEST
NEAR LOW CENTER.
.24 HOUR FORECAST POST TROPICAL CYCLONE KROSA 44N177E 999 MB.
WITHIN 120 NM N SEMICIRCLE...AND WITHIN 300 NM SE...AND 420 NM SW
QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M. ELSEWHERE WITHIN
600 NM SW SEMICIRCLE WINDS LESS THAN 25 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST POST TROPICAL CYCLONE KROSA 50N166W 992 MB.
WITHIN 420 NM E SEMICIRCLE...AND WITHIN 420 NM SE OF A LINE FROM
LOW CENTER TO 45N167W TO 37N180W WINDS 20 TO 30 KT. SEAS 2.5 TO 4
M.

.SYNOPSIS AND FORECAST.

.FROM 30N TO 40N BETWEEN 119W AND 125W WINDS 20 TO 30 KT. SEAS TO
3 M.
.24 HOUR FORECAST FROM 30N TO 40N BETWEEN 118W AND 125W WINDS 20
TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST FROM 32N TO 41N BETWEEN 119W AND 125W WINDS TO
25 KT. SEAS TO 2.5 M.

.LOW 50N147W 1009 MB MOVING E 20 KT. WITHIN 420 NM S SEMICIRCLE
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 50N137W 1003 MB. WITHIN 240 NM N
SEMICIRCLE...AND WITHIN 240 NM S OF A LINE FROM 49N131W TO
49N139W TO 44N159W WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.
.48 HOUR FORECAST LOW 52N131W 1010 MB. WITHIN 300 NM E SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 3 M.

.LOW 48N162W 1012 MB MOVING E 20 KT. WITHIN 240 NM SE SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
50N137W DESCRIBED ABOVE.

.LOW 57N177W 993 MB NEARLY STATIONARY. WITHIN 360 NM N...AND 420
NM S SEMICIRCLES WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 57N177W 995 MB. WITHIN 420 NM NW SEMICIRCLE
WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 53N173W 996 MB. BETWEEN 240 NM AND 540 NM W
QUADRANT WINDS TO 25 KT. SEAS TO 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM SE OF
A LINE FROM 42N175W TO 52N150W...FROM 40N TO 49N W OF 167E...AND
FROM 50N TO 54N BETWEEN 164E AND 167W.
.24 HOUR FORECAST DENSE FOG FROM 43N TO 48N BETWEEN 168W AND
143W....AND WITHIN 180 NM SE OF A LINE FROM 47N160E TO 54N171W.
.48 HOUR FORECAST DENSE FOG FROM 44N TO 53N BETWEEN 170W AND
155W...AND FROM 39N TO 44N W OF 165E.

.FORECASTER BYRD. 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 0000 UTC MON AUG 4.
24 HOUR FORECAST VALID 0000 UTC TUE AUG  5.
48 HOUR FORECAST VALID 0000 UTC WED AUG  6.

.WARNINGS.

...GALE WARNING...
.LOW PRES...REMNANTS OF GIL...NEAR 21N138W 1006 MB. WITHIN
22N138W TO 23N138W TO 23N139W TO 21N139W TO 21N138W TO 22N138W
WINDS 30 TO 35 KT. SEAS 5.0 TO 6.0 M. ELSEWHERE WITHIN 24N135W TO
26N138W TO 25N140W TO 21N140W TO 21N136W TO 24N135W WINDS 20 TO
30 KT. SEAS 4.0 TO 5.0 M. REMAINDER AREA WITHIN 24N130W TO
28N133W TO 28N139W TO 10N140W TO 06N134W TO 24N130W WINDS 20 KT
OR LESS. SEAS 2.5 TO 4.0 M IN MIXED SWELL.
.06 HOUR FORECAST LOW PRES NEAR 21N139.5W 1009 MB. WITHIN
24N136W TO 26N139W TO 26N140W TO 22N140W TO 21N138W TO 24N136W
WINDS 20 TO 30 KT. SEAS 4.0 TO 5.0 M SWELL. ELSEWHERE WITHIN
22N132W TO 27N134W TO 29N140W TO 21N138W TO 22N140W TO 08N139W TO
22N132W WINDS 20 KT OR LESS. SEAS 2.5 TO 4 M IN E SWELL.
.24 HOUR FORECAST LOW PRES W OF AREA. OVER FORECAST WATERS
WITHIN 26N138W TO 29N140W TO 21N140W TO 23N139W TO 25N138W TO
26N138W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

...GALE WARNING...
.LOW PRES NEAR 12.5N116.5W 1009 MB. WITHIN 16N115W TO 16N117W TO
13N118W TO 11N117W TO 11N113W TO 13N113W TO 16N115W WINDS 20 TO
25 KT. SEAS 2.5 TO 3.0 M.
.18 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
13.5N119.5W 1008 MB. WITHIN 15N119W TO 15N120W TO 14N120W TO
14N119W TO 15N119W WINDS 30 TO 35 KT. SEAS 3.0 TO 4.0 M.
ELSEWHERE WITHIN 14N117W TO 16N119W TO 16N122W TO 14N122W TO
13N119W TO 12N118W TO 14N117W WINDS 20 TO 30 KT. SEAS 3.0 TO 3.5
M. REMAINDER AREA WITHIN 14N115W TO 16N117W TO 17N121W TO
13N123W TO 10N119W TO 11N116W TO 14N115W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
14N120.5W 1007 MB. WITHIN 14N119W TO 15N121W TO 15N122W TO
13N121W TO 13N120W TO 14N119W WINDS 30 TO 40 KT. SEAS 3.5 TO 5
M. ELSEWHERE WITHIN 16N119W TO 17N120W TO 16N123W TO 12N120W TO
12N118W TO 13N118W TO 16N119W WINDS 20 TO 30 KT. SEAS 3.0 TO 4.0
M. REMAINDER AREA WITHIN 16N116W TO 18N121W TO 16N124W TO
13N124W TO 08N120W TO 11N116W TO 16N116W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST LOW PRES NEAR 16.5N125.5W 1006 MB. WITHIN
17N125W TO 18N126W TO 17N126W TO 16N126W TO 16N125W TO 17N125W
WINDS 30 TO 45 KT. SEAS 3.5 TO 5.0 M. ELSEWHERE WITHIN 18N123W TO
19N124W TO 19N126W TO 17N127W TO 15N126W TO 16N123W TO 18N123W
WINDS 20 TO 30 KT. SEAS 3.0 TO 4.0 M. REMAINDER AREA WITHIN
20N121W TO 24N127W TO 22N132W TO 15N128W TO 11N122W TO 15N119W TO
20N121W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 06N80W TO 06N82W TO 06N83W TO 06N83W TO 05N83W TO 05N81W
TO 06N80W...INCLUDING THE GULF OF PANAMA... WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 00N107W TO 04N122W TO 00N129W TO 01S120W TO 03.4S120W TO
03.4S100W TO 00N107W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.24 HOUR FORECAST WITHIN 30N119W TO 30N123W TO 29N121W TO
29N120W TO 30N119W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N
SWELL.
.48 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 0220 UTC MON AUG 4...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 08N89W TO 12.5N116.5W TO 11N124W.
ITCZ FROM 11N124W TO 13N136W TO 12N140W. SCATTERED TO NUMEROUS
MODERATE TO STRONG FROM 05N TO 12N E OF 100W. SCATTERED MODERATE
ISOLATED STRONG FROM 07N TO 16N BETWEEN 101W AND 110W...FROM 07N
TO 16N BETWEEN 115W AND 123W...AND FROM 07N TO 13N BETWEEN 133W
AND 140W.

.FORECASTER AL. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 0000 UTC AUG 04 2025.
24 HOUR FORECAST VALID 0000 UTC AUG 05 2025.
48 HOUR FORECAST VALID 0000 UTC AUG 06 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 25N166E 1002 MB MOVING NW 10 KT. SCATTERED MODERATE TSTMS
WITHIN 210 NM OF LOW...AND FROM 20N TO 30N W OF 165E. SEAS
2.5 TO 4 M WITHIN 120 NM OF LOW.
.24 HOUR FORECAST LOW 28N160E 1001 MB
.48 HOUR FORECAST LOW MOVED W OF FORECAST AREA.

.24 HOUR FORECAST NEW LOW 21N142W. WINDS 20 TO 30 KT WITHIN
180 NM OF LOW. WINDS 20 TO 30 KT WITHIN 180 NM OF N SEMICIRCLE
OF LOW. SEAS 2.5 TO 4 M WITHIN 330 NM OF LOW.
.48 HOUR FORECAST LOW 21N148W. WINDS 20 TO 30 KT WITHIN
180 NM OF LOW. SEAS 2.5 TO 4 M WITHIN 270 NM OF LOW.

.TROUGH 25N173E 18N169E MOVING N 15 KT. WINDS 20 TO 25 KT
WITHIN 180 NM OF POINT 23N172E.
.24 HOUR FORECAST TROUGH 30N170E 25N169E. WINDS 20 TO 25 KT
WITHIN 90 NM OF POINT 27N169E.
.48 HOUR FORECAST TROUGH DISSIPATED. WINDS DIMINISHING TO
LESS THAN 20 KT.

.WINDS 20 TO 25 KT FROM 10N TO 15N BETWEEN 160W AND
170W...AND FROM 20N TO 25N BETWEEN 175E AND 170E...AND FROM
20N TO 27N E OF 143W.
.24 HOUR FORECAST WINDS DIMINISHING TO LESS THAN 20 KT.

.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 2.5 TO 4 M FROM 20N TO 28N BETWEEN 176E AND 170E...AND
FROM 11N TO 25N BETWEEN 172W AND 160W...AND FROM 15N TO 20N
BETWEEN 160W AND 155W...AND FROM 10N TO 25N E OF 144W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M N OF 25N BETWEEN 175E AND
165E.
.48 HOUR FORECAST SEAS SUBSIDING TO LESS THAN 2.5 M.

.SEAS 2.5 M OR LOWER REMAINDER OF FORECAST AREA.

.ITCZ 09N170W 07N165W 06N160W...THENCE MONSOON TROUGH
07N150W 10N140W. SCATTERED MODERATE TSTMS WITHIN 180 NM
OF ITCZ BETWEEN 175W AND 160W. ELSEWHERE ISOLATED TSTMS WITHIN
120 NM OF ITCZ AND TROUGH.


$$

.FORECASTER PECHACEK. HONOLULU HI.