East and Central North Pacific High Seas Forecast

FZPN02 KWBC 302325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC MON MAR 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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). 

FROM APRIL 1 TO OCTOBER 15, DUE TO CLIMATOLOGY OF THE NORTH 
PACIFIC, HIGH SEAS FORECASTS WILL ONCE AGAIN INCLUDE ALL 
FORECASTS OF WINDS 20 TO 30 KNOTS AND SEAS 2.5 METERS OR 
GREATER. 

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 1800 UTC MAR 30. 
24 HOUR FORECAST VALID 1800 UTC MAR 31. 
48 HOUR FORECAST VALID 1800 UTC APR 01. 

.WARNINGS. 

...GALE WARNING...
.LOW 55N150W 999 MB DRIFTING E AND WILL MOVE SE 10 KT AFTER 12 
HOURS. FROM 44N TO 53N BETWEEN 142W AND 150W AREA OF SW WINDS 25 
TO 40 KT. SEAS 4 TO 5.5 M. ELSEWHERE WITHIN 300 NM N 
SEMICIRCLE...AND WITHIN 540 NM SE AND 960 NM SW QUADRANTS WINDS 
20 TO 30 KT. SEAS TO 4 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 53N145W 990 MB. 
FROM 48N TO 58N BETWEEN 133W AND 154W WINDS 25 TO 40 KT. SEAS 
3.5 TO 6 M. ELSEWHERE FROM 38N TO 59N BETWEEN 130W AND 
155W...AND WITHIN 960 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS 3 
TO 5 M.
.48 HOUR FORECAST LOW 50N132W 987 MB. FROM 41N TO 52N BETWEEN 
129W AND 141W WINDS 25 TO 40 KT. SEAS 3.5 TO 6 M. ELSEWHERE FROM 
37N TO 58N E OF 145W WINDS 20 TO 30 KT. SEAS 3 TO 5.5 
M...HIGHEST FROM 42N TO 50N BETWEEN 128W AND 145W.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 47N137W 1012 MB MOVING E 10 KT. 
WITHIN 300 NM NW AND 720 NM SW QUADRANTS AREA OF NE WINDS 25 TO 
35 KT. SEAS 3.5 TO 5.5 M. ELSEWHERE WITHIN 720 NM NE...360 NM 
NW...AND 1200 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 3 TO 5 
M...HIGHEST NW AND SW QUADRANTS.
.24 HOUR FORECAST LOW 37N131W 1012 MB. WITHIN 420 NM W AND 900 
NM SW QUADRANTS AREA OF N TO NE WINDS TO 25 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER W OF AREA 46N176E 1004 MB MOVING 
NE 10 KT. EXCEPT AS DESCRIBED WITH LOW 55N150W ABOVE...WITHIN 
360 NM NE AND 660 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 4 
M. WINDS AND SEAS HIGHEST SE QUADRANT.
.18 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER JUST W OF AREA 
49N179E 998 MB. FROM 47N TO 52N W OF 177W WINDS 25 TO 35 KT. 
SEAS TO 4 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER JUST W OF AREA 
50N179E 996 MB. WITHIN 120 NM NW...300 NM NE...AND 240 NM SE 
QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE WITHIN 360 
NM NW...420 NM NE...600 NM E...AND 720 NM SE QUADRANTS WINDS 20 
TO 30 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 52N170W 996 MB. WITHIN 360 NM S SEMICIRCLE 
WINDS 25 TO 40 KT. SEAS 3 TO 5 M. ELSEWHERE FROM 39N TO 58N 
BETWEEN 154W AND 179E WINDS 20 TO 30 KT. SEAS 3 TO 4.5 
M...HIGHEST FROM 42N TO 51N BETWEEN 165W AND 179W.

...GALE WARNING...
.42 HOUR FORECAST LOW 31N179W 1014 MB. WITHIN 360 NM N QUADRANT 
AREA OF NE WINDS 25 TO 35 KT. SEAS TO 4 M. 
.48 HOUR FORECAST LOW 32N178W 1012 MB. S OF 37N W OF 175W WINDS 
25 TO 40 KT. SEAS 3 TO 5 M.

.SYNOPSIS AND FORECAST. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN AN AREA 
BOUNDED BY A LINE FROM 43N180W TO 49N180W TO 49N157W TO 48N157W 
TO 43N180W...AND WITHIN AN AREA BOUNDED BY A LINE FROM 47N146W 
TO 56N160W TO 60N150W TO 58N136W TO 55N130W TO 47N146W. 
.24 HOUR FORECAST DENSE FOG FROM 51N TO 53N W OF 176W...WITHIN 
AN AREA BOUNDED BY A LINE FROM 44N172W TO 50N173W TO 46N161W TO 
44N172W...AND FROM 50N TO 59N E OF 155W. 
.48 HOUR FORECAST DENSE FOG FROM 46N TO 50N BETWEEN 156W AND 
161W...FROM 50N TO 56N BETWEEN 156W AND 178W...FROM 49N TO 53N 
BETWEEN 130W AND 137W...AND WITHIN 60 NM OF 53N169E.

.LIGHT FREEZING SPRAY N OF A LINE FROM 60N179W TO 56N171W...AND 
N OF A LINE FROM 59N152W TO 60N143W TO 58N136W.
.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF A LINE FROM 59N177W 
TO 56N172W TO 55N166W...AND N OF A LINE FROM 59N153W TO 61N148W 
TO 60N144W.
.48 HOUR FORECAST LIGHT FREEZING SPRAY N OF A LINE FROM 59N179E 
TO 56N170W...AND N OF A LINE FROM 59N153W TO 60N148W TO 60N143W.

.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 1800 UTC MON MAR 30.
24 HOUR FORECAST VALID 1800 UTC TUE MAR 31.
48 HOUR FORECAST VALID 1800 UTC WED APR  1.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 16N94.5W TO 16N95W TO 16N95.5W TO 14.5N95.5W TO 14.5N95W
TO 15N94.5W TO 16N94.5W...INCLUDING THE GULF OF TEHUANTEPEC...N 
 WINDS 20 TO 25 KT. SEAS TO 2.5 M. ELSEWHERE WITHIN 14N94W TO 
15N95W TO 13N97W TO 12N99W TO 11N96W TO 14N94W WINDS 20 KT OR 
LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 2.5 M.

.WITHIN 11N87W TO 11N88W TO 11N91W TO 09N92W TO 09N89W TO 10N88W
TO 11N87W WINDS 20 KT OR LESS. SEAS 2.5 M IN MERGING E AND S 
SWELL.
.24 HOUR FORECAST WITHIN 10.5N87W TO 10.5N87.5W TO 10.5N88W TO 
10N88W TO 10N87.5W TO 10.5N87W WINDS 20 KT OR LESS. SEAS 2.5 M IN
MERGING NE AND S SWELL.
.45 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 2.5 M.

.WITHIN 09N93W TO 11N105W TO 07N103W TO 05N99W TO 05N94W TO
09N93W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 2.5 M.

.48 HOUR FORECAST WITHIN 02S101W TO 02S110W TO 03.4S116W TO
03.4S94W TO 02S101W WINDS 20 KT OR LESS. SEAS 2.5 M IN S SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 2000 UTC MON MAR 30...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS FROM 09.5N76W TO 04.5N92W TO 04N104W. 
ITCZ EXTENDS FROM 04N105W TO BEYOND 04N140W. SCATTERED MODERATE 
CONVECTION FROM 01N TO 04.5W EAST OF 81.5W...FROM 03.5N TO 07.5N
BETWEEN 85W AND 115W...AND FROM 03.5N TO 07.5N BETWEEN 130W AND 
137W. 

$$

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1800 UTC MAR 30 2026.
24 HOUR FORECAST VALID 1800 UTC MAR 31 2026.
48 HOUR FORECAST VALID 1800 UTC APR 01 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 23N140W 20N146W 11N158W NEARLY STATIONARY. ISOLATED
MODERATE TSTMS FROM 12N TO 17N BETWEEN 150W AND 158W.
.24 HOUR FORECAST TROUGH 24N140W 20N145W 13N148W.
.48 HOUR FORECAST NEW LOW NEAR 20N144W 1012 MB. TROUGH FROM 
23N140W
TO LOW TO 13N147W. WINDS 20 TO 25 KT FROM 21N TO 27N BETWEEN 141W
AND 150W.

.48 HOUR FORECAST NEW FRONT 30N176W 25N180W. WINDS 20 TO 25 KT N 
OF
28N W OF 175W.

.NE TO E WINDS 20 TO 30 KT IN AREA BOUNDED BY 30N160W 30N146W
22N154W 18N150W 12N180W 27N180W 30N160W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT IN AREA BOUNDED BY
30N147W 14N155W 11N180W 19N180W 29N170W 30N147W.
.48 HOUR FORECAST E WINDS 20 TO 25 KT FRON 12N TO 23N BETWEEN 152W
AND 170W...AND FROM 12N TO 16N W OF 170W.

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

.SEAS 4 TO 4.5 M N OF 28N BETWEEN 148W AND 158W. SEAS 2.5 TO 4 M
ELSEWHERE IN AREA BOUNDED BY 30N170W 30N142W 18N150W 00N180W
27N180W 30N170W.
.24 HOUR FORECAST SEAS 2.5 TO 3.5 M IN AREA BOUNDED BY 30N165W
30N142W 15N155W 10N180W 27N180W 30N165W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M IN AREA BOUNDED BY 27N150W
14N155W 09N180W 20N180W 27N165W 27N150W...AND N OF LINE 30N177W
26N180W.

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

.ITCZ 05N140W 07N150W 05N159W. ISOLATED MODERATE TSTMS WITHIN 120
NM N OF ITCZ.

$$

.FORECASTER WROE. HONOLULU HI.