####018009104####
FZPN02 KWBC 290525

HSFEPI



HIGH SEAS FORECAST FOR METAREA XII

NWS OCEAN PREDICTION CENTER WASHINGTON DC

0545 UTC MON APR 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC APR 29. 

24 HOUR FORECAST VALID 0000 UTC APR 30. 

48 HOUR FORECAST VALID 0000 UTC MAY 01. 



.WARNINGS. 



...STORM WARNING... 

.LOW 42N164E 994 MB MOVING NE 35 KT AND INTENSIFYING WILL SLOW

AND TURN E AFTER 24 HOURS. WITHIN 300 NM S AND SE QUADRANTS WINDS

35 TO 45 KT. SEAS 10 TO 18 FT. ELSEWHERE FROM 30N TO 45N W OF

172E WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. 

.24 HOUR FORECAST LOW 52N169E 972 MB. WITHIN 300 NM NE AND 240 

NM S AND SW QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 22 FT. 

ELSEWHERE WITHIN AN AREA BOUNDED BY 43N160E TO 32N174E TO 

46N175W TO

54N174W TO 59N180W TO 50N160E TO 43N160E WINDS 25 TO 40 KT. SEAS 

9 TO 18 FT.

.48 HOUR FORECAST LOW 52N171E 987 MB. WITHIN 480 NM E 

SEMICIRCLE...AND 420 NM SW QUADRANT WINDS 25 TO 40 KT. SEAS 14 TO

24 FT. ELSEWHERE WITHIN AN AREA BOUNDED BY 48N163E TO 42N180W TO 

44N166W TO 50N162W TO 60N179W TO 52N163E TO 48N163E WINDS 20 TO 

30 KT. SEAS 8 TO 21 FT...HIGHEST NEAR 50N171E.



...GALE WARNING...

.N AND NE OF A LINE FROM 33N120W TO 35N122W N TO NW WINDS 25 TO

35 KT. SEAS TO 12 FT. ELSEWHERE FROM 30N TO 40N BETWEEN 118W AND

126W N TO NW WINDS 20 TO 30 KT. SEAS TO 11 FT.

.24 HOUR FORECAST FROM 33N TO 38N BETWEEN 119W AND 122W N TO NW

WINDS 25 TO 35 KT. SEAS 9 TO 14 FT. ELSEWHERE FROM 30N TO 41N 

BETWEEN 117W AND 129W N TO NW WINDS 20 TO 30 KT. SEAS TO 12 FT.

.48 HOUR FORECAST FROM 34N TO 39N BETWEEN 120W AND 124W N TO NW 

WINDS 25 TO 35 KT. SEAS 9 TO 14 FT. ELSEWHERE FROM 30N TO 41N 

BETWEEN 118W AND 128W N TO NW WINDS 20 TO 30 KT. SEAS TO 12 FT.



...GALE WARNING... 

.LOW 54N138W 995 MB MOVING SE 15 KT. WITHIN 120 NM OF LOW 

CENTER...EXEPT 180 NM SW QUADRANT...AND ALSO FROM 45N TO 49N 

BETWEEN 136W AND 144W WINDS 25 TO 40 KT. SEAS 9 TO 17 FT. 

ELSEWHERE FROM 43N TO 57N BETWEEN 132W AND 149W WINDS 20 TO 30 

KT. SEAS 8 TO 14 FT.

.24 HOUR FORECAST LOW 49N132W 1009 MB. WITHIN 240 NM S AND SW 

QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 17 FT. ELSEWHERE FROM 43N 

TO 52N BETWEEN 128W AND 138W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.

 .48 HOUR FORECAST LOW DISSIPATED WITH ASSOCIATED CONDITIONS 

DIMINISHED.



...GALE WARNING...

.LOW W OF AREA 54N162E 989 MB MOVING NW 20 KT. WITHIN 420 NM NE 

QUADRANT WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE FROM 48N TO 

57N W OF 175E WINDS TO 25 KT. SEAS TO 10 FT.

.24 HOUR FORECAST LOW WELL W OF AREA WITH CONDITIONS DESCRIBED 

WITH LOW 52N169E ABOVE.



...GALE WARNING...

.48 HOUR FORECAST LOW W OF AREA 47N150E 987 MB. FROM 35N TO 45N 

BETWEEN 163E AND 160E WINDS 25 TO 35 KT. SEAS TO 12 FT. 

ELSEWHERE W OF A LINE FROM 32N167E TO 47N163E WINDS TO 25 KT. 

SEAS TO 9 FT.



.SYNOPSIS AND FORECAST. 



.LOW 51N168W 1009 MB MOVING E 15 KT. FROM 43N TO 53N BETWEEN

161W AND 173W WINDS 20 TO 30 KT. SEAS TO 10 FT. 

.24 HOUR FORECAST COMPLEX LOW WITH ONE CENTER 51N160W 1010 MB 

AND A SECOND NEW CENTER 48N153W 1013 MB. WITHIN 180 NM W AND NW 

SEMICIRCLES OF FIRST CENTER...AND WITHIN 240 NM NE...AND 360 NM 

E AND SE QUADRANTS OF SECOND CENTER WINDS 20 TO 30 KT. SEAS TO 9 

FT.

.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 52N147W 1007 MB. 

WITHIN 240 NM NE...480 NM E AND SE...AND 180 NM S AND SW 

QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.



.LOW 35N168W 1008 MB MOVING NE 10 KT. FROM 30N TO 39N BETWEEN 

160W AND 175W WINDS 20 TO 30 KT. SEAS TO 11 FT. 

.24 HOUR FORECAST LOW 36N165W 1012 MB. FROM 30N TO 39N BETWEEN

154W AND 160W WINDS TO 25 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST LOW 40N161W 1016 MB. WINDS LESS THAN 25 KT. 

SEAS LESS THAN 8 FT.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 52N TO 55N 

BETWEEN 135W AND 139W...FROM 51N TO 54N BETWEEN 162W AND 

172W...AND FROM 40N TO 54N W OF 170E.

.24 HOUR FORECAST DENSE FOG FROM 38N TO 48N BETWEEN 148W AND

163W...FROM 52N TO 57N BETWEEN 158W AND 164W...AND FROM 50N TO

54N BETWEEN 172E AND 164E. 

.48 HOUR FORECAST DENSE FOG WITHIN 180 NM S AND SE OF A LINE FROM

46N147W TO 42N161W...WITHIN 120 NM N OF A LINE FROM 50N167W TO 

55N171E..AND FROM 50N TO 53N BETWEEN 178E AND 170E.



.LIGHT FREEZING SPRAY N OF 58N W OF 171W. 

.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF 58N W OF 164W. 

.48 HOUR FORECAST LIGHT FREEZING SPRAY N OF 58N W OF 169W. 



.FORECASTER MILLS. 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 0000 UTC MON APR 29.

24 HOUR FORECAST VALID 0000 UTC TUE APR 30.

48 HOUR FORECAST VALID 0000 UTC WED MAY  1.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.WITHIN 30N122.5W TO 30N124.5W TO 29.5N124W TO 29.5N123.5W TO

29.5N122.5W TO 30N122.5W N WINDS 20 TO 25 KT. SEAS 9 TO 10 FT IN

NW TO N SWELL. ELSEWHERE WITHIN 30N118W TO 30N126W TO 28N124W TO

27N120W TO 28N118W TO 30N118W WINDS 20 KT OR LESS. SEAS 8 TO 10 

FT IN NW TO N SWELL.

.24 HOUR FORECAST WITHIN 30N120W TO 30N123W TO 29N122W TO 

29N121W TO 29N119W TO 30N120W NW TO N WINDS 20 TO 25 KT. SEAS 10 

TO 11 FT IN N SWELL. ELSEWHERE WITHIN 30N117W TO 30N127W TO 

26N128W TO 24N127W TO 25N120W TO 27N118W TO 30N117W WINDS 20 KT 

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

.48 HOUR FORECAST WITHIN 30N120W TO 29N123W TO 30N125W TO 

29N124W TO 29N121W TO 29N120W TO 30N120W NW TO N WINDS 20 TO 25 

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

29N122W TO 30N130W TO 26N129W TO 25N125W TO 27N118W TO 30N117W 

WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN N SWELL.



.WITHIN 14N126W TO 15N134W TO 17N131W TO 22N140W TO 06N140W TO

10N126W TO 14N126W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN

NE TO E SWELL.

.24 HOUR FORECAST WITHIN 14N127W TO 22N136W TO 24N140W TO 

06N140W TO 10N125W TO 14N127W WINDS 20 KT OR LESS. SEAS 8 TO 10 

FT IN NE TO E SWELL.

.48 HOUR FORECAST WITHIN 13N135W TO 15N135W TO 19N140W TO 

08N140W TO 08N135W TO 10N131W TO 13N135W WINDS 20 KT OR LESS. 

SEAS 8 TO 9 FT IN NE SWELL.



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



CONVECTION VALID AT 0220 UTC MON APR 29...



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH EXTENDS FROM 10N75W TO 10N88W TO 08N105W. ITCZ 

FROM 09N106W TO 08N123W TO BEYOND 06N140W. SCATTERED MODERATE 

ISOLATES STRONG CONVECTION FROM 05N TO 10N E OF 105W...AND FROM 

06N TO 10N BETWEEN 116W AND 140W.



$$

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.



NATIONAL WEATHER SERVICE HONOLULU HI



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



SYNOPSIS VALID 0000 UTC APR 29 2024.

24 HOUR FORECAST VALID 0000 UTC APR 30 2024.

48 HOUR FORECAST VALID 0000 UTC MAY 01 2024.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.WEAK FRONT 30N163W 24N169W THENCE TROUGH TO 21N175W 20N178E. 

FRONT

MOVING E SLOWLY AND TROUGH NEARLY STATIONARY. SEE WINDS BELOW.

SCATTERED MODERATE TO STRONG TSTMS WITHIN 90 NM E OF FRONT N OF

27N.

.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N162W 24N166W 

21N175W.

.48 HOUR FORECAST TROUGH 30160W 21N169W.



.TROUGH 24N167E 18N166E NEARLY STATIONARY.

.24 HOUR FORECAST TROUGH LITTLE CHANGE.

.48 HOUR FORECAST TROUGH DISSIPATED.



.FRONT JUST W OF FORECAST AREA NEAR 30N158E MOVING E 20 KT. SEE

WINDS BELOW. ISOLATED MODERATE TSTMS N OF 29N W OF 163E.

.24 HOUR FORECAST FRONT 30N168E 27N160E.

.48 HOUR FORECAST WEAKENING FRONT 30N175E 27N167E 29N160E.



.WINDS 20 TO 25 KT N OF 05N AND S OF LINE 05N170W 20N155W 25N140W.

WINDS 20 TO 25 KT N OF 27N BETWEEN 165W AND 159W...AND N OF 29N W

OF 163E.

.24 HOUR FORECAST WINDS 20 TO 25 KT N OF 05N AND S OF LINE 05N171W

20N150W 26N140W.

.48 HOUR FORECAST WINDS 20 TO 25 KT N OF 05N AND S OF LINE 10N160E

15N160W 23N140W.



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



.SEAS 8 TO 10 FT N OF 03N AND S OF LINE 03N177W 19N158W 22N140W.

.24 HOUR FORECAST SEAS 8 TO 10 FT IN AREA 06N140W 02N151W 09N175W

19N155W 22N140W.

.48 HOUR FORECAST SEAS 8 TO 10 FT N OF 04N AND S OF LINE 04N171E

16N160W 22N145W 22N140W.



.SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.



.ITCZ 07N140W 03N155W 01N167W. ISOLATED MODERATE TSTMS WITHIN 90 

NM

OF ITCZ E OF 155W.



.ISOLATED MODERATE TSTMS S OF 08S W OF 174E AND FROM 05N TO 10N

BETWEEN 174E AND 168W.



$$



.FORECASTER POWELL. HONOLULU HI.