East and Central North Pacific High Seas Forecast

FZPN02 KWBC 221725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC WED APR 22 2026

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 S OF 67N AND N OF 30N E OF A LINE FROM THE BERING STRAIT
TO 53N172E TO 50N180W TO 30N180W

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.

...GALE WARNING... 
.LOW 54N178W 964 MB MOVING NE 10 KT AND TURNING NW 15 KT AFTER 24
HOURS. WITHIN 420 NM NW QUADRANT WINDS 30 TO 45 KT. SEAS 5 TO 9
M. ELSEWHERE WITHIN 540 NM S SEMICIRCLE WINDS 25 TO 40 KT. SEAS
2.5 TO 5.5 M. ALSO N OF 41N W OF 152W WINDS 20 TO 30 KT. SEAS TO
4 M.
.24 HOUR FORECAST LOW 58N173W 978 MB. WITHIN 420 NM OF LOW CENTER
WINDS 25 TO 35 KT. SEAS 3 TO 6 M. ELSEWHERE N OF 40N W OF 170W
AND WITHIN 300 NM E OF A LINE FROM 57N151W TO 36N169W WINDS 20 TO
30 KT. SEAS 2.5 TO 5 M. 
.48 HOUR FORECAST LOW 62N176W 992 MB. WITHIN 300 NM E OF A LINE
FROM 60N150W TO 51N152W TO 42N157W WINDS 20 TO 30 KT. SEAS 2.5 TO
4.5 M. 

...GALE WARNING... 
.FROM 48N TO 54N E OF 134W AREA OF N WINDS 25 TO 35 KT. SEAS TO 4
M. 
.24 HOUR FORECAST FROM 46N TO 54N BETWEEN 125W AND 133W WINDS 25
TO 40 KT. SEAS 2.5 TO 5 M. 
.48 HOUR FORECAST FROM 42N TO 54N BETWEEN 127W AND 134W WINDS 20
TO 30 KT. SEAS 2.5 TO 3.5 M. 

...GALE WARNING...
.48 HOUR FORECAST LOW 48N171W 1010 MB. WITHIN 360 NM SE AND 420
NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 5 M.

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY N OF 59N W OF 176W. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF 174W. 
.24 HOUR FORECAST CONDITIONS MOVED W OF AREA.

.SYNOPSIS AND FORECAST.

.LOW 34N174W 1007 MB MOVING NE 15 KT. S OF 37N W OF 170W WINDS TO
25 KT. SEAS TO 3 M. 
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 58N173W
DESCRIBED ABOVE. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 50N TO 60N W OF
170W. 
.24 HOUR FORECAST DENSE FOG N OF 55N W OF 165W. 
.48 HOUR FORECAST DENSE FOG N OF 58N W OF 145W.

.FORECASTER KREKELER. 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 WED APR 22.
24 HOUR FORECAST VALID 1200 UTC THU APR 23.
48 HOUR FORECAST VALID 1200 UTC FRI APR 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 25N121W TO 30N120W TO 30N132W TO 26N140W TO 15N140W TO
17N130W TO 25N121W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NW
TO N SWELL.
.24 HOUR FORECAST WITHIN 17N127W TO 19N136W TO 16N140W TO 
08N140W TO 09N125W TO 12N123W TO 17N127W WINDS 20 KT OR LESS. 
SEAS 2.5 TO 3.0 M IN MIXED NW TO N AND E SWELL.
.48 HOUR FORECAST WITHIN 12N133W TO 12N135W TO 10N135W TO 
08N133W TO 09N131W TO 12N133W WINDS 20 KT OR LESS. SEAS 2.5 M IN 
MIXED N AND E SWELL.

.09 HOUR FORECAST WITHIN 27N116W TO 27N118W TO 26N120W TO
25N118W TO 24N119W TO 24N114W TO 27N116W WINDS 20 KT OR LESS.
SEAS 2.5 M IN NW SWELL.
.24 HOUR FORECAST WITHIN 30N115W TO 30N116W TO 30N117W TO 
29N117W TO 29N115W TO 30N115W...INCLUDING SEBASTIAN VIZCAINO 
BAY...NW WINDS 20 TO 25 KT. SEAS 2.5 M IN NW SWELL. ELSEWHERE 
WITHIN 27N115W TO 30N116W TO 30N118W TO 22N116W TO 23N113W TO 
25N113W TO 27N115W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW 
SWELL.
.45 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 1520 UTC WED APR 22...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A TROUGH AXIS EXTENDS FROM NEAR 10N74W TO 02N81W TO 06N100W TO 
04N114W. ITCZ STRETCHES FROM 04N114W TO BEYOND 01N140W. 
SCATTERED MODERATE CONVECTION FROM 01.5N TO 06.5N E OF 80.5W... 
FROM 03.4S TO 04N BETWEEN 86W AND 94W...S OF 00N BETWEEN 95W AND
108W...AND FROM 00N TO 08.5N BETWEEN 98W AND 140W.

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W

SYNOPSIS VALID 1200 UTC APR 22 2026.
24 HOUR FORECAST VALID 1200 UTC APR 23 2026.
48 HOUR FORECAST VALID 1200 UTC APR 24 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N176W 27N180W MOVING NE 15 KT.
.24 HOUR FORECAST FRONT 30N170W 25N180W.
.48 HOUR FORECAST FRONT MOVED N OF AREA.

.TROUGH 27N167W 24N164W 21N164W MOVING N 10 KT.
.24 HOUR FORECAST TROUGH DISSIPATED.

.LOW N OF AREA. FRONT 30N152W 26N152W 24N154W AND 30N151W 27N150W.
.24 HOUR FORECAST LOW 27N147W 1017 MB. FRONT FROM LOW TO 28N146W
26N146W 22N156W AND 28N146W 27N142W.
.48 HOUR LOW DISSIPATED. FRONT WEAKENED TO TROUGH 26N142W 18N143W.

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

.SEAS 2.5 TO 3 M W OF 179W N OF 17N...AND N OF 28N BETWEEN 158W
AND 150W...AND FROM 17N TO 26N E OF 149W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M N OF LINE 27N180W 30N179W...AND
FROM 11N TO 15N BETWEEN 148W AND 142W.
.48 HOUR FORECAST SEAS LOWERED BELOW 2.5 M.

.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.

.ITCZ 02N140W 03N160W 04N173W 04N180W. ISOLATED MODERATE TSTMS
WITHIN 300 NM N OF ITCZ...AND 180 NM S OF ITCZ.

.ISOLATED MODERATE TSTMS WITHIN 90 NM OF LINE 11N145W 08N153W.

$$

.FORECASTER M BALLARD. HONOLULU HI.