476
FZPN02 KWBC 221725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC TUE APR 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

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 APR 22.
24 HOUR FORECAST VALID 1200 UTC APR 23.
48 HOUR FORECAST VALID 1200 UTC APR 24.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER JUST W OF AREA 46N159E MOVING NE
15 KT. BETWEEN 300 NM AND 600 NM E...AND WITHIN 480 NM SE
QUADRANTS...WINDS 40 TO 50 KT. SEAS 15 TO 30 FT. ALSO FROM 34N
TO 54N W OF 177E WINDS 25 TO 40 KT. SEAS 11 TO 22 FT. ELSEWHERE
FROM 31N TO 55N W OF 179E WINDS 20 TO 30 KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST LOW 51N166E 981 MB. WITHIN 360 NM S SEMICIRCLE
WINDS 35 TO 45 KT. SEAS 15 TO 26 FT. ALSO FROM 42N TO 58N W OF
175W WINDS 25 TO 40 KT. SEAS 12 TO 23 FT. AND FROM 37N TO 59N W
OF 173W WINDS 20 TO 30 KT. SEAS 9 TO 18 FT. ELSEWHERE WITHIN
1260 NM S QUADRANT WINDS LESS THAN 25 KT. SEAS 9 TO 18 FT IN NW
SWELL.
.48 HOUR FORECAST LOW 54N173E 986 MB. WITHIN 360 NM S SEMICIRCLE
WINDS 30 TO 45 KT. SEAS 12 TO 24 FT. ALSO BETWEEN 300 NM AND 540
NM NE QUADRANT...AND WITHIN 480 NM S SEMICIRCLE WINDS 25 TO 40
KT. SEAS 11 TO 21 FT...HIGHEST S SEMICIRCLE. AND FROM 42N TO 61N
W OF 161W WINDS 20 TO 30 KT. SEAS 9 TO 18 FT. ELSEWHERE WITHIN
1440 NM S QUADRANT WINDS LESS THAN 25 KT. SEAS 9 TO 15 FT IN NW
SWELL.

...GALE WARNING...
.FROM 34N TO 45N BETWEEN 123W AND 132W AREA OF NW TO N WINDS 25
TO 40 KT. SEAS 8 TO 15 FT. WINDS AND SEAS HIGHEST FROM 38N TO
42N.
.24 HOUR FORECAST FROM 33N TO 45N BETWEEN 122W AND 129W AREA OF
NW TO N WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST S OF 40N BETWEEN 120W AND 126W AREA OF NW
WINDS LESS THAN 25 KT. SEAS TO 9 FT.

...GALE WARNING...
.LOW 32N169W 1013 MB MOVING S 15 KT. S OF 38N BETWEEN 158W AND
175W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.06 HOUR FORECAST LOW 31N169W 1011 MB. S OF 34N BETWEEN 161W AND
173W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW S OF AREA 26N166W 1010 MB. S OF A LINE
FROM 33N174W TO 36N166W TO 32N153W WINDS 25 TO 35 KT. SEAS 8 TO
14 FT.
.48 HOUR FORECAST LOW S OF AREA 27N168W 1011 MB. S OF A LINE
FROM 33N175W TO 37N162W TO 32N154W WINDS 20 TO 30 KT. SEAS TO 12
FT.

...GALE WARNING...
.LOW 53N162W 1013 MB MOVING NE 25 KT. FROM 47N TO 53N BETWEEN
153W AND 169W WINDS 20 TO 30 KT. SEAS TO 11 FT.
.12 HOUR FORECAST LOW 54N153W 1005 MB. FROM 46N TO 54N BETWEEN
144W AND 159W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 55N147W 996 MB. FROM 49N TO 58N BETWEEN
139W AND 154W WINDS 25 TO 40 KT. SEAS 9 TO 15 FT. ELSEWHERE FROM
44N TO 60N BETWEEN 135W AND 162W WINDS 20 TO 30 KT. SEAS TO 12
FT.
.48 HOUR FORECAST LOW 56N144W 999 MB. FROM 49N TO 60N BETWEEN
138W AND 152W...AND WITHIN 60 NM EITHER SIDE OF A LINE FROM
58N138W TO 53N133W...WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.

.SYNOPSIS AND FORECAST.

.LOW 49N127W 1022 MB MOVING SE 05 KT. FROM 46N TO 50N BETWEEN
125W AND 129W AREA OF NW WINDS 20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW DISSIPATED. WITHIN 90 NM OF 49N128W AREA
OF NW WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW 54N143W 1022 MB MOVING E 15 KT. WITHIN 180 NM E AND 360 NM
S QUADRANTS AREA OF SW WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED WITH LOW
55N147W IN WARNINGS SECTION ABOVE.

.LOW 59N167W 1007 MB MOVING E 15 KT. WITHIN 300 NM S...420 NM
SW...AND 360 NM W QUADRANTS WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

.48 HOUR FORECAST FROM 39N TO 49N BETWEEN 136W AND 147W WINDS TO
25 KT. SEAS TO 9 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 51N W
OF 169E...WITHIN 60 NM EITHER SIDE OF A LINE FROM 51N170E TO
50N176E TO 48N179W TO 48N175W...FROM 51N TO 55N BETWEEN 157W AND
164W...FROM 58N TO 59N BETWEEN 161W AND 166W...AND WITHIN 60 NM
OF 60N147W.
.24 HOUR FORECAST DENSE FOG NW OF A LINE FROM 50N164E TO 53N176W
TO 56N175W...FROM 52N TO 56N BETWEEN 147W AND 151W...FROM 56N TO
59N BETWEEN 140W TO 153W...AND NE OF A LINE FROM 58N137W TO
54N130W.
.48 HOUR FORECAST DENSE FOG FROM 46N TO 53N BETWEEN 164W AND
169W...FROM 50N TO 60N W OF 176W...FROM 56N TO 60N BETWEEN 165W
AND 176W...AND WITHIN 60 NM NE OF A LINE FROM 55N161W TO 53N158W.

.LIGHT TO MODERATE FREEZING SPRAY FROM 59N TO 61N W OF 174W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 59N164W TO 57N167W TO 59N179E.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY WITHIN 60 NM
OF 59N164W AND N OF A LINE FROM 59N173W TO 60N178W.

.FORECASTER FIGURSKEY. 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 1200 UTC TUE APR 22.
24 HOUR FORECAST VALID 1200 UTC WED APR 23.
48 HOUR FORECAST VALID 1200 UTC THU APR 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 12N87W TO 12N88W TO 11N89W TO 10N89W TO 09N87W TO 11N86W
TO 12N87W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 11N119W TO 13N128W TO 12N140W TO 04N140W TO 08N124W TO
11N119W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN E SWELL.
.24 HOUR FORECAST WITHIN 11N128W TO 12N140W TO 06N140W TO
07N136W TO 08N129W TO 11N128W WINDS 20 KT OR LESS. SEAS 8 FT IN
NE TO E SWELL.
.48 HOUR FORECAST WITHIN 11N128W TO 12N140W TO 06N140W TO
07N136W TO 08N129W TO 11N128W WINDS 20 KT OR LESS. SEAS 8 FT IN
NE TO E SWELL.

.WITHIN 00N113W TO 00N120W TO 03.4S120W TO 03.4S113W TO 00N113W
WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 1500 UTC TUE APR 22...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM THE COAST OF PANAMA NEAR 09N79W
AND CONTINUES TO 06N101W. THE ITCZ EXTENDS FROM THERE TO BEYOND
03N140W. SCATTERED MODERATE CONVECTION IS NOTED FROM 03N-07N
EAST OF 102W AND FROM 04N-09N BETWEEN 122W-132W.

$$

.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1200 UTC APR 22 2025.
24 HOUR FORECAST VALID 1200 UTC APR 23 2025.
48 HOUR FORECAST VALID 1200 UTC APR 24 2025.

.WARNINGS.



.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT 30N164W 25N169W 23N175W MOVING SE 10 KT. WARM
FRONT 30N161W 27N157W NEARLY STATIONARY. NE WINDS 20 TO 25 KT N OF
COLD FRONT. SCATTERED MODERATE TO STRONG TSTMS WITHIN 300 NM E OF
COLD FRONT...AND WITHIN 60 NM OF WARM FRONT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 26N166W 1010
MB. COLD FRONT FROM LOW TO 23N165W 21N167W 19N171W. OCCLUDED FRONT
FROM LOW TO 27N169W 30N170W. WARM FRONT 30N158W 27N155W. N WINDS
20
TO 25 KT N OF 27N BETWEEN 169W AND 176W.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 27N167W 1010
MB. COLD FRONT 28N162W 25N163W 20N167W 17N172W. OCCLUDED FRONT
28N162W 30N164W 29N168W TO LOW. WINDS 20 TO 25 KT N OF 26N BETWEEN
154W AND 163W.

.FRONT 30N164E 26N160E. ISOLATED MODERATE TSTMS WITHIN 270 NM E OF
FRONT.
.24 HOUR FORECAST FRONT 30N171E 27N167E THENCE TROUGH 25N160E.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N173E 27N171E.

.WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT FROM 14N TO 05N E OF 151W.
.24 HOUR FORECAST WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT FROM 14N TO
04N E OF 157W.
.48 HOUR FORECAST WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT FROM 16N TO
07N E OF 152W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.24 HOUR FORECAST SEAS 8 TO 9 FT N OF 28N W OF 162E.
.48 HOUR FORECAST SEAS 8 TO 10 FT N OF 27N BETWEEN 175E AND 162E.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ 03N140W 02N150W 02N173W 03N172E 02N168E. SCATTERED MODERATE
TSTMS WITHIN 120 NM OF ITCZ W OF 173W.

.ISOLATED MODERATE TSTMS FROM 19N TO 23N W OF 166E.



$$

.FORECASTER TSAMOUS. HONOLULU HI.