####018008224####
FZPN02 KWBC 241125

HSFEPI



HIGH SEAS FORECAST FOR METAREA XII

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1145 UTC WED APR 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 24. 

24 HOUR FORECAST VALID 0600 UTC APR 25. 

48 HOUR FORECAST VALID 0600 UTC APR 26. 



.WARNINGS. 



...GALE WARNING... 

.LOW 57N178W 972 MB NEARLY STATIONARY. N OF 45N BETWEEN 164W AND 

167E WINDS 25 TO 40 KT. SEAS 9 TO 18 FT. 

.24 HOUR FORECAST LOW 57N178W 984 MB. N OF 46N BETWEEN 166W AND 

171E WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. ALSO FROM 43N TO 51N W 

OF 171E WINDS TO 25 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST LOW 55N171W 996 MB. FROM 47N TO 56N BETWEEN 

166W AND 180W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. ALSO FROM 46N 

TO 52N BETWEEN 180W AND 168E WINDS TO 25 KT. SEAS TO 8 FT.



...GALE WARNING...

.48 HOUR FORECAST LOW W OF AREA 47N154E 999 MB. W OF A LINE FROM 

33N160E TO 42N168E TO 50N161E WINDS 25 TO 40 KT. SEAS 8 TO 15 FT.



.SYNOPSIS AND FORECAST. 



.LOW 48N141W 1008 MB DRIFTING N. WITHIN 240 NM SE SEMICIRCLE 

WINDS LESS THAN 25 KT. SEAS TO 11 FT. 

.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS 

DIMINISHED. 



.LOW 37N124W 1016 MB MOVING SE 10 KT. FROM 35N TO 42N BETWEEN 

125W AND 130W WINDS LESS THAN 25 KT. SEAS TO 9 FT. 

.24 HOUR FORECAST LOW DISSIPATED. FROM 32N TO 40N BETWEEN 122W 

AND 128W WINDS LESS THAN 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST FROM 30N TO 36N BETWEEN 119W AND 124W AREA OF 

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



.LOW 48N141W 1008 MB MOVING E 15 KT. WITHIN 360 NM E AND SE OF A 

LINE FROM LOW CENTER TO 41N167W WINDS TO 25 KT. SEAS TO 9 FT. 

.24 HOUR FORECAST LOW 49N134W 1008 MB. FROM 40N TO 47N BETWEEN 

128W AND 142W WINDS TO 25 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST LOW 47N125W 1005 MB. FROM 42N TO 52N BETWEEN 

124W AND 139W WINDS TO 25 KT. SEAS TO 9 FT. 



.LOW 53N157W 1002 MB MOVING E 10 KT. N OF 51N BETWEEN 154W AND 

164W WINDS TO 25 KT. SEAS TO 10 FT. 

.24 HOUR FORECAST LOW 54N149W 1006 MB. FROM 52N TO 55N BETWEEN 

146W AND 154W WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST LOW 55N144W 1012 MB. FROM 50N TO 55N BETWEEN 

140W AND 148W WINDS TO 25 KT. SEAS TO 9 FT. 



.LOW 40N173W 1008 MB MOVING NE 25 KT. WITHIN 300 NM S SEMICIRCLE 

WINDS TO 25 KT. SEAS TO 10 FT. 

.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS 

DIMINISHED. 



.LOW 39N174E 1007 MB MOVING NE 20 KT. FROM 34N TO 41N BETWEEN 

176E AND 168E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 

.24 HOUR FORECAST LOW 41N175W 1011 MB. FROM 34N TO 42N BETWEEN 

170W AND 177E...AND FROM 30N TO 33N W OF 177E WINDS TO 25 KT. 

SEAS TO 11 FT. 

.48 HOUR FORECAST LOW 48N157W 1012 MB. FROM 38N TO 48N BETWEEN 

151W AND 161W...AND WITHIN 540 NM W OF A LINE FROM 39N164W TO 

30N174W WINDS 20 TO 30 KT. SEAS TO 9 FT. 



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 54N BETWEEN 

170W AND 174E...AND FROM 41N TO 50N BETWEEN 144W AND 162W. 

.24 HOUR FORECAST DENSE FOG FROM 53N TO 57N BETWEEN 175W AND 

179W...AND FROM 37N TO 39N BETWEEN 160W AND 164W. 

.48 HOUR FORECAST DENSE FOG FROM 42N TO 49N BETWEEN 148W AND 

160W. 



.FORECASTER KELLS. 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 0600 UTC WED APR 24.

24 HOUR FORECAST VALID 0600 UTC THU APR 25.

48 HOUR FORECAST VALID 0600 UTC FRI APR 26.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.WEAKENING LOW PRES NEAR 31N126W 1019 MB. WITHIN 30N128.5W TO 

30N130W TO 29.5N130W TO 29.5N129.5W TO 29.5N129W TO 30N128.5W NW 

WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.12 HOUR FORECAST LOW PRES TO WEAKEN INTO A TROUGH FROM 30N125W 

TO 26N129W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 



.WITHIN 14N135W TO 17N140W TO 03N140W TO 04N138W TO 08N136W TO 

14N135W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.

.24 HOUR FORECAST WITHIN 12N131W TO 17N140W TO 06N140W TO 

06N136W TO 09N132W TO 12N131W NE TO E WINDS 20 TO 25 KT. SEAS 8 

TO 9 FT.

.48 HOUR FORECAST WITHIN 15N136W TO 16N137W TO 16N140W TO 

11N140W TO 12N137W TO 13N133W TO 15N136W NE TO E WINDS 20 TO 25 

KT. SEAS 9 TO 10 FT. ELSEWHERE WITHIN 14N128W TO 20N134W TO 

21N140W TO 14N136W TO 05N140W TO 07N132W TO 14N128W WINDS 20 KT 

OR LESS. SEAS 8 TO 9 FT IN NE TO E SWELL.



.WITHIN 11N86W TO 12N87W TO 11N88W TO 10N87W TO 10N86W TO

11N86W...INCLUDING THE GULF OF PAPAGAYO...SE WINDS 20 TO 25 KT. 

SEAS LESS THAN 8 FT.

.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST WITHIN 11N86W TO 12N87W TO 11N88W TO 10N87W TO 

10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...E WINDS 20 

TO 25 KT. SEAS LESS THAN 8 FT.

.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.



.18 HOUR FORECAST WITHIN 30.5N114W TO 30.5N114.5W TO 30N114.5W 

TO 30N114W TO 30.5N114W...INCLUDING THE NORTHERN GULF OF 

CALIFORNIA...SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST WITHIN 31N113W TO 32N115W TO 31N115W TO 

30N115W TO 30N113W TO 31N113W...INCLUDING THE NORTHERN GULF OF 

CALIFORNIA...SW TO W WINDS 20 TO 25 KT EXCEPT NW WINDS 20 TO 25 

KT ALONG 31N. SEAS LESS THAN 8 FT.

.36 HOUR FORECAST 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 0815 UTC WED APR 24...



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

TROUGH AXIS EXTENDS FROM 07N77W TO 06N81W TO 07N86W TO 07N92W. 

THE ITCZ AXIS EXTENDS FROM 07N92W TO 07N110W TO 07N124W TO 

05N132W TO 04N140W. NUMEROUS MODERATE TO STRONG WITHIN 60 NM S 

OF THE ITCZ BETWEEN 100W AND 104W AND WITHIN 30 NM N OF THE ITCZ 

BETWEEN 100W AND 106W. SCATTERED MODERATE WITHIN 120 NM N OF THE 

ITCZ BETWEEN 120W AND 125W...WITHIN 120 NM S OF THE ITCZ BETWEEN 

123W AND 128W AND WITHIN 30 NM N OF THE ITCZ BETWEEN 134W AND 

139W.



$$

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.



NATIONAL WEATHER SERVICE HONOLULU HI



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



SYNOPSIS VALID 0600 UTC APR 24 2024.

24 HOUR FORECAST VALID 0600 UTC APR 25 2024.

48 HOUR FORECAST VALID 0600 UTC APR 26 2024.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.TROUGH 30N180E 22N170E MOVING E SLOWLY.

.24 HOUR FORECAST TROUGH STRENGTHENS TO FRONT 30N179W 23N170E. SEE

WINDS AND SEAS BELOW.

.48 HOUR FORECAST FRONT 30N172W 23N178E. SEE WINDS AND SEAS BELOW.



.TROUGH 29N162E 26N160E NEARLY STATIONARY. ISOLATED MODERATE TSTMS

WITHIN 90 NM OF TROUGH.

.24 HOUR FORECAST TROUGH DISSIPATED.



.WINDS 20 TO 25 KT IN AREA 09N140W 03N180W 10N168E 25N160W 

23N140W.

.24 HOUR FORECAST WINDS 20 TO 25 KT N OF 04N AND S OF LINE 04N170E

26N160W 23N140W. WINDS 20 TO 25 KT N OF LINE 30N172E 27N160E.

.48 HOUR FORECAST WINDS 20 TO 25 KT N OF 04N AND S OF LINE 14N160E

12N175W 26N160W 15N145W 23N140W. WINDS 20 TO 30 KT N OF LINE

30N173W 22N178E 27N160E.



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



.SEAS 8 TO 10 FT FROM 02N TO 18N E OF 168E.

.24 HOUR FORECAST SEAS 8 TO 10 FT N OF 03N AND S OF LINE 03N168E

15N170E 22N160W 19S140W. SEAS 8 TO 9 FT N OF LINE 30N171E 28N165E

28N160E.

.48 HOUR FORECAST SEAS 8 TO 10 FT IN AREA 05N140W 03N160W 03N170W

09N179E 24N159W 21N140W. SEAS 8 TO 12 FT N OF LINE 30N177W 25N175E

23N160E.



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



.ITCZ 04N140W 04N160W 06N172W 03N178E. ISOLATED MODERATE TSTMS

WITHIN 90 NM OF ITCZ.



.ISOLATED MODERATE TSTMS W OF 173E S OF 14N.



$$



.FORECASTER POWELL. HONOLULU HI.