####018008188####
FZPN02 KWBC 281125

HSFEPI



HIGH SEAS FORECAST FOR METAREA XII

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1145 UTC SUN APR 28 2024



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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC APR 28. 

24 HOUR FORECAST VALID 0600 UTC APR 29.

48 HOUR FORECAST VALID 0600 UTC APR 30.



.WARNINGS.



...GALE WARNING...

.LOW 53N151W 1000 MB MOVING SE 20 KT. WITHIN 420 NM SE AND 360 NM

W AND SW QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.  

.24 HOUR FORECAST LOW DISSIPATED. FROM 42N TO 47N BETWEEN 127W

AND 138W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT. 

.48 HOUR FORECAST CONDITIONS DIMINISHED. 



...GALE WARNING...

.LOW 55N135W 989 MB MOVING W 10 KT NEXT 12 HOURS THEN WILL TURN

SW. WITHIN 300 NM S AND SE SEMICIRCLES...EXCEPT 600 NM S QUADRANT

AND WITHIN 120 NM N QUADRANT WINDS 25 TO 40 KT. SEAS 9 TO 15 FT.

.24 HOUR FORECAST LOW 52N138W 1000 MB. WITHIN 180 NM SE...420 NM

W AND SW...AND 120 NM N QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 16

FT. 

.48 HOUR FORECAST LOW 47N128W 1012 MB. WITHIN 240 NM SE AND 300

NM W AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 16 FT. 



....GALE WARNING...

.FROM 30N TO 37N E OF 124W AREA OF NW WINDS 20 TO 30 KT. SEAS TO

12 FT.

.24 HOUR FORECAST FROM 30N TO 40N BETWEEN 119W AND 127W AREA OF

NW WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.

.48 HOUR FORECAST FROM 30N TO 40N BETWEEN 119W AND 127W WINDS 25

TO 35 KT. SEAS 8 TO 15 FT.



...GALE WARNING...

.LOW W OF AREA 37N156E 1000 MB MOVING NE 20 KT AND INTENSIFYING.

WITHIN 360 NM E QUADRANT WINDS 25 TO 35 KT. SEAS TO 10 FT.  

.24 HOUR FORECAST LOW 44N166E 992 MB. FROM 32N TO 46N W OF 172E

WINDS 30 TO 45 KT. SEAS 9 TO 16 FT. 

.48 HOUR FORECAST LOW 53N167E 972 MB. WITHIN 540 NM NE...240 NM

SE... AND 660 NM S AND SW QUADRANTS...AND WITHIN 240 NM E OF A

LINE FROM  53N175E TO  48N178W TO 42N180W WINDS 30 TO 45 KT. SEAS

10 TO 18 FT. ELSEWHERE WITHIN 660 NM NE...780 NM E AND SE...AND

720 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.



.SYNOPSIS AND FORECAST.



.COMPLEX LOW WITH MAIN CENTER 49N178W MOVING E 25 KT. FROM 42N TO

52N BETWEEN 169W AND 175E WINDS TO 25 KT. SEAS TO 10 FT. 

.24 HOUR FORECAST LOW 50N165W 1010 MB. WITHIN 240 NM N AND E

SEMICIRCLES WINDS TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 52N157W 1011 MB

AND SECOND CENTER 49N150W 1011 MB. WITHIN 180 NM W SEMICIRCLE OF

FIRST CENTER AND 300 NM E AND NE QUADRANTS OF SECOND CENTER WINDS

TO 25 KT. SEAS TO 9 FT. 



.LOW 31N171W 1011 MB MOVING NE 10 KT. WITHIN 420 NM NW SEMICIRCLE

WINDS 20 TO 30 KT. SEAS TO 10 FT. 

.24 HOUR FORECAST LOW 35N166W 1010 MB. WITHIN 360 NM NW

SEMICIRCLE AND 480 NM E AND SE QUADRANTS WINDS 20 TO 30 KT. SEAS

TO 9 FT.

.48 HOUR FORECAST LOW 34N163W 1014 MB. WITHIN 300 NM NW

SEMICIRCLE AND 360 NM E AND SE QUADRANTS WINDS TO 25 KT. SEAS TO

8 FT. 



.24 HOUR FORECAST LOW NW OF AREA NEAR 55N162E 987 MB. WITHIN 540

NM E QUADRANT WINDS 20 TO 30 KT. SEAS TO 10 FT. 

.48 HOUR FORECAST LOW AND CONDITIONS NW OF AREA.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 50N TO 55N

BETWEEN 132W AND 158W...FROM 44N TO 52N BETWEEN 170W AND

180W...AND FROM 37N TO 50N W OF 164E. 

.24 HOUR FORECAST DENSE FOG FROM 39N TO 44N BETWEEN 156W AND

170W...FROM 50N TO 55N BETWEEN 158W AND 170W...AND N OF 40N

BETWEEN 173E AND 163E.

.48 HOUR FORECAST DENSE FOG FROM 38N TO 45N BETWEEN 147W AND

162W...AND N OF 50N BETWEEN 176E AND 162E.



.FORECASTER ACHORN. 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 0600 UTC SUN APR 28.

24 HOUR FORECAST VALID 0600 UTC MON APR 29.

48 HOUR FORECAST VALID 0600 UTC TUE APR 30.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.WITHIN 29N117W TO 30N123W TO 28N121W TO 28N118W TO 25N113W TO

28N118W TO 29N117W...INCLUDING WITHIN 60 NM OF SHORE...WINDS 20 

KT OR LESS. SEAS 8 TO 9 FT IN NW TO N SWELL.

.24 HOUR FORECAST WITHIN 30N119W TO 30N122W TO 30N125W TO 

29N123.5W TO 29.5N120W TO 30N119W NW TO N WINDS 20 TO 25 KT. SEAS

9 TO 10 FT IN N SWELL. ELSEWHERE WITHIN 30N117W TO 30N127W TO 

27N126W TO 26N122W TO 28N118W TO 30N117W WINDS 20 KT OR LESS. 

SEAS 8 TO 10 FT IN NW TO N SWELL.

.48 HOUR FORECAST WITHIN 30N120.5W TO 30N123.5W TO 30N123W TO 

30N122W TO 30N121W TO 30N120.5W NW TO N WINDS 20 TO 25 KT. SEAS 

11 TO 12 FT IN NW TO N SWELL. ELSEWHERE WITHIN 30N117W TO 

30N128W TO 22N133W TO 23N124W TO 27N117W TO 30N117W WINDS 20 KT 

OR LESS. SEAS 8 TO 11 FT IN N SWELL.



.WITHIN 12N129W TO 13N133W TO 12N135W TO 14N140W TO 13N140W TO

11N134W TO 12N129W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 10 FT IN

NE SWELL. ELSEWHERE WITHIN 17N130W TO 20N130W TO 22N140W TO 

04N140W TO 10N120W TO 17N130W WINDS 20 KT OR LESS. SEAS 8 TO 10 

FT IN NE TO E SWELL.

.24 HOUR FORECAST WITHIN 12N132W TO 13N134W TO 12N139W TO 

11N138W TO 11N135W TO 12N132W NE WINDS 20 TO 25 KT. SEAS 10 FT IN

NE TO E SWELL. ELSEWHERE WITHIN 16N130W TO 23N135W TO 23N140W TO

06N140W TO 09N132W TO 10N121W TO 16N130W WINDS 20 KT OR LESS. 

SEAS 8 TO 10 FT IN NE TO E SWELL.

.48 HOUR FORECAST WITHIN 22N133W TO 24N140W TO 06N140W TO 

07N129W TO 10N126W TO 22N133W WINDS 20 KT OR LESS. SEAS 8 TO 10 

FT IN NE TO E SWELL.



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



CONVECTION VALID AT 0800 UTC SUN APR 28...



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

THE EQUATORIAL TROUGH EXTENDS FROM 09.5N74W TO 09N90W TO 07N102W

TO 08N112W. ITCZ CONTINUES FROM 08N112W TO 09.5N118W TO BEYOND 

05N140W. SCATTERED MODERATE TO STRONG CONVECTION FROM 06N TO 11N

E OF 89W...AND FROM 03N TO 07N W OF 133W. SCATTERED MODERATE 

ISOLATED STRONG CONVECTION ELSEWHERE FROM 03N TO 10N BETWEEN 80W

AND 131W. 



.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.



NATIONAL WEATHER SERVICE HONOLULU HI



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



SYNOPSIS VALID 0600 UTC APR 28 2024.

24 HOUR FORECAST VALID 0600 UTC APR 29 2024.

48 HOUR FORECAST VALID 0600 UTC APR 30 2024.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.LOW JUST N OF FORECAST AREA NEAR 31N171W NEARLY STATIONARY. FRONT

30N167W 22N170W 21N180E MOVING E 10 KT N OF 25N AND NEARLY 

STATIONARY

S OF 25N. SE WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT WITHIN 120 NM E

OF FRONT N OF 28N. W TO NW WINDS 20 TO 25 KT AND SEAS 8 TO 10 FT

N OF 28N BETWEEN 172W AND 178W. ISOLATED MODERATE TSTMS WITHIN 120

NM E OF FRONT N OF 25N.

.24 HOUR FORECAST LOW MOVED WELL N OF FORECAST AREA. FRONT 30N163W

27N166W THENCE TROUGH 20N174W. ASSOCIATED WINDS EASED TO 20 KT OR

LESS AND SEAS LOWERED TO 8 FT OR LOWER.

.48 HOUR FORECAST FRONT DISSIPATED. TROUGH 30N160W 25N164W.



.TROUGH 24N170E 19N166E MOVING W SLOWLY.

.24 HOUR FORECAST TROUGH 23N166E 20N165E.

.48 HOUR FORECAST TROUGH 26N168E 20N166E.



.24 HOUR FORECAST NEW FRONT 30N166E 29N160E.

.48 HOUR FORECAST FRONT 30N171E 27N160E.



.E WINDS 20 TO 25 KT AND SEAS 8 TO 10 FT BETWEEN 06N AND LINE

24N140W 22N150W 07N163W.

.24 HOUR FORECAST E WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT BETWEEN

06N AND LINE 22N140W 20N150W 08N160W.

.48 HOUR FORECAST E WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT BETWEEN

08N AND 12N E OF 153W.



.WINDS 20 KT OR LESS AND SEAS 8 FT OR LOWER OVER REMAINDER OF

FORECAST AREA.



.ITCZ 04N140W 03N160W 02N180W 01N170E 00N160E. SCATTERED MODERATE

TSTMS WITHIN 240 NM N OF ITCZ BETWEEN 163W AND 155W. ISOLATED

MODERATE TSTMS ELSEWHERE WITHIN 150 NM OF ITCZ.



$$



.FORECASTER SHIGESATO. HONOLULU HI.