####018008910####
FZPN02 KWBC 261725

HSFEPI



HIGH SEAS FORECAST FOR METAREA XII

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1745 UTC FRI APR 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC APR 26. 

24 HOUR FORECAST VALID 1200 UTC APR 27. 

48 HOUR FORECAST VALID 1200 UTC APR 28. 



.WARNINGS. 



...GALE WARNING... 

.LOW 51N156W 1001 MB MOVING N 15 KT. WITHIN 360 NM S AND 180 NM 

SW QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE FROM 

39N TO 51N BETWEEN 145W AND 165W AND WITHIN 240 NM NE AND 180 NM 

W QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 

.24 HOUR FORECAST LOW 56N157W 990 MB. WITHIN 540 NM S AND 360 NM 

SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 15 FT...HIGHEST NEAR 

50N159W. ELSEWHERE FROM 43N TO 59N BETWEEN 147W AND 167W WINDS 

20 TO 30 KT. SEAS TO 11 FT...HIGHEST S OF 54N.

.48 HOUR FORECAST LOW 52N150W 1004 MB. FROM 48N TO 52N BETWEEN 

144W AND 155W WINDS 25 TO 35 KT. SEAS 10 TO 17 FT. ELSEWHERE 

FROM 43N TO 53N BETWEEN 143W AND 158W WINDS 20 TO 30 KT. SEAS 8 

TO 13 FT.



...GALE WARNING... 

.FROM 37N TO 48N W OF 165E AREA OF S TO SE WINDS 25 TO 35 KT. 

SEAS 8 TO 14 FT. ELSEWHERE FROM 33N TO 52N W OF 171E WINDS TO 25 

KT. SEAS TO 8 FT.

.24 HOUR FORECAST LOW 51N169E 1001 MB. FROM 39N TO 53N BETWEEN 

180W AND 169E AND WITHIN 360 NM SW QUADRANT WINDS 20 TO 30 KT. 

SEAS TO 12 FT.

.48 HOUR FORECAST LOW 48N172W 1008 MB. FROM 42N TO 51N BETWEEN 

165W AND 178E WINDS 20 TO 30 KT. SEAS TO 11 FT. 



...GALE WARNING... 

.FROM 30N TO 36N E OF 123W AREA OF NW WINDS 20 TO 30 KT. SEAS TO 

11 FT.

.12 HOUR FORECAST FROM 30N TO 35N E OF 123W AREA OF NW WINDS 25 

TO 35 KT. SEAS 9 TO 14 FT.

.24 HOUR FORECAST FROM 30N TO 39N E OF 125W AREA OF NW WINDS 20 

TO 30 KT. SEAS 8 TO 14 FT.

.48 HOUR FORECAST FROM 30N TO 38N BETWEEN 118W AND 124W AREA OF 

NW WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 



...GALE WARNING... 

.12 HOUR FORECAST NEW LOW 50N145W 1002 MB. WITHIN 360 NM SW 

SEMICIRCLE WINDS 25 TO 35 KT. SEAS 9 TO 14 FT. 

.24 HOUR FORECAST LOW 51N139W 998 MB. WITHIN 360 NM S AND 240 NM 

W QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 17 FT. ELSEWHERE FROM 

40N TO 51N BETWEEN 129W AND 147W AND WITHIN 360 NM W QUADRANT 

WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

.48 HOUR FORECAST LOW 56N136W 994 MB. WITHIN 180 NM S AND SE 

QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE FROM 42N 

TO 58N BETWEEN 128W AND 143W WINDS TO 25 KT. SEAS 8 TO 15 FT IN 

MIXED SWELL...HIGHEST NEAR 50N134W.   



...GALE WARNING... 

.48 HOUR FORECAST LOW W OF AREA 39N159E 999 MB. FROM 34N TO 40N 

W OF 165E WINDS 25 TO 35 KT. SEAS TO 12 FT. 



.SYNOPSIS AND FORECAST. 



.LOW 55N170W 998 MB MOVING SE 15 KT. FROM 43N TO 54N BETWEEN 

165W AND 178W AND WITHIN 360 NM SW SEMICIRCLE WINDS 20 TO 30 KT. 

SEAS 8 TO 13 FT...HIGHEST NEAR 51N171W.

.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 56N157W IN 

WARNINGS SECTION.



.LOW 47N125W 1006 MB MOVING SE 10 KT. WITHIN 480 NM SW AND W 

QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11 FT. 

.24 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS 

DIMINISHED. 



.FROM 30N TO 35N BETWEEN 169W AND 180W WINDS 20 TO 30 KT. SEAS 

TO 10 FT. 

.24 HOUR FORECAST NEW LOW 32N172W 1015 MB. WITHIN 300 NM NW 

SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. ELSEWHERE FROM 

30N TO 39N BETWEEN 165W AND 180W WINDS TO 25 KT. SEAS TO 9 FT.

.48 HOUR FORECAST LOW 33N170W 1008 MB. FROM 30N TO 39N BETWEEN 

161W AND 179W WINDS 20 TO 30 KT. SEAS TO 11 FT.



.48 HOUR FORECAST WITHIN 300 NM N OF A LINE FROM 53N178E TO 

55N171E AREA OF SE WINDS TO 25 KT. SEAS TO 8 FT.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 55N 

BETWEEN 147W AND 159W AND N OF 44N W OF 163E.

.24 HOUR FORECAST DENSE FOG FROM 52N TO 57N BETWEEN 142W AND 

165W AND FROM 47N TO 53N BETWEEN 179E AND 165E.

.48 HOUR FORECAST DENSE FOG FROM 48N TO 58N BETWEEN 166W AND 

170W AND N OF 39N W OF 165E.



.FORECASTER BANCROFT. 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 1200 UTC FRI APR 26.

24 HOUR FORECAST VALID 1200 UTC SAT APR 27.

48 HOUR FORECAST VALID 1200 UTC SUN APR 28.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.WITHIN 18N128W TO 22N140W TO 04N140W TO 07N129W TO 13N126W TO

18N128W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 

.24 HOUR FORECAST WITHIN 14N125W TO 22N140W TO 06N140W TO 

09N124W TO 14N125W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 

.48 HOUR FORECAST WITHIN 20N131W TO 23N140W TO 04N140W TO 09N125W

TO 12N124W TO 20N131W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE

TO E SWELL.



.WITHIN 30N118W TO 30N123W TO 29N122W TO 29N120W TO 30N118W

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

.12 HOUR FORECAST WITHIN 30N116W TO 30N122W TO 27N120W TO

27N117W TO 25N113W TO 25N112W TO 30N116W...INCLUDING SEBASTIAN

VIZCAINO BAY AND WITHIN 60 NM OF SHORE...NW WINDS 20 TO 25 KT. 

SEAS 8 FT. WITHIN 23N109W TO 23N111W TO 22N111W TO 21N110W TO 

21N109W TO 22N109W TO 23N109W...INCLUDING WITHIN 60 NM OF 

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

.24 HOUR FORECAST WITHIN 29N115W TO 30N116W TO 30N122W TO 

27N120W TO 27N115W TO 29N115W...INCLUDING SEBASTIAN VIZCAINO 

BAY...NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 

.36 HOUR FORECAST WITHIN 26N112W TO 27N113W TO 28N115W TO 

27N115W TO 25N114W TO 25N113W TO 26N112W...INCLUDING WITHIN 60 NM

OF SHORE...NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. WITHIN 

30N116W TO 30N123W TO 28N121W TO 27N117W TO 28N115W TO 

30N116W...INCLUDING SEBASTIAN VIZCAINO BAY...WINDS 20 KT OR LESS.

SEAS 8 TO 10 FT IN NW TO N SWELL. 

.48 HOUR FORECAST WITHIN 30N116W TO 30N125W TO 27N121W TO 

26N115W TO 30N116W...INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN 

60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N

SWELL.



.12 HOUR FORECAST WITHIN 29N112W TO 31N113W TO 32N115W TO

30N115W TO 27N112W TO 27N111W TO 29N112W...INCLUDING THE GULF OF

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

.24 HOUR FORECAST WITHIN 31N113W TO 32N115W TO 30N115W TO 

29N114W TO 30N113W TO 31N113W...INCLUDING THE GULF OF 

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

.30 HOUR FORECAST CONDITIONS IMPROVE. 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 1550 UTC FRI APR 26...



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

THE EQUATORIAL TROUGH EXTENDS FROM 07N78W TO 08N100W TO 07N120W.

THE ITCZ CONTINUES FROM 07N120W TO 05N130W TO BEYOND 05N140W. 

SCATTERED MODERATE FROM 00N TO 09N E OF 89W AND FROM 03N TO 13N 

W OF 101W.



$$

.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.



NATIONAL WEATHER SERVICE HONOLULU HI



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



SYNOPSIS VALID 1200 UTC APR 26 2024.

24 HOUR FORECAST VALID 1200 UTC APR 27 2024.

48 HOUR FORECAST VALID 1200 UTC APR 28 2024.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.LOW NEAR 28N172W 1018 MB MOVING NE AT 15 KT. FRONT FROM LOW

TO 30N173W...AND FROM LOW TO 25N173W 23N178W THENCE TROUGH

TO 15N176E. WINDS 20 TO 25 KT AND SEAS 8 TO 10 FT W OF LOW

AND FRONT N OF 25N.

.24 HOUR FORECAST LOW 30N171W 1017 MB. FRONT FROM LOW TO

25N171W THENCE TROUGH 20N177W. WINDS 20 TO 25 KT AND SEAS 8

TO 10 FT N OF 28N BETWEEN 180W AND 170W.

.48 HOUR FORECAST LOW MOVED N OF FORECAST AREA. FRONT 30N165W

23N170W THENCE TROUGH 18N175W. WINDS 20 TO 25 KT W OF 165W...

AND FROM 05N TO 14N W OF 175E.



.WINDS 20 TO 25 KT AND SEAS 8 TO 10 FT E OF LINE 25N165W AND

ITCZ MENTIONED BELOW. WINDS 20 TO 25 KT FROM 05N TO 15N W OF

175E.

.24 HOUR FORECAST WINDS 20 TO 25 KT AND SEAS 8 TO 10 FT E OF

LINE 25N160W TO ITCZ MENTIONED BELOW. WINDS 20 TO 25 KT FROM

05N TO 15N W OF 175E.

.48 HOUR FORECAST WINDS 20 TO 25 KT AND SEAS 8 TO 10 FT E OF

LINE 25N145W 15N165W 05N165W.



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

REMAINDER OF FORECAST AREA.



.ITCZ 01N171W 04N150W 06N140W. ISOLATED MODERATE TSTMS WITHIN

210 NM OF ITCZ E OF 155W.



.ISOLATED MODERATE TSTMS S OF 08N AND W OF 170W...AND S OF

08S W OF 170E.











$$



.FORECASTER PECHACEK. HONOLULU HI.