####018006104####
FZPN01 KWBC 240353

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

0430 UTC WED APR 24 2024 



SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 24. 

24 HOUR FORECAST VALID 0000 UTC APR 25. 

48 HOUR FORECAST VALID 0000 UTC APR 26. 



.WARNINGS. 



...GALE WARNING... 

.LOW 56N178W 971 MB MOVING NW 05 KT. N OF 45N BETWEEN 167W AND 

166E WINDS 25 TO 40 KT. SEAS 11 TO 21 FT. 

.24 HOUR FORECAST LOW 58N180W 982 MB. N OF A LINE FROM 49N165W 

TO 45N177W TO 54N168E WINDS 25 TO 35 KT. SEAS 8 TO 16 FT. 

ELSEWHERE FROM 44N TO 50N W OF 179E WINDS 20 TO 30 KT. SEAS TO 

11 FT.

.48 HOUR FORECAST LOW 55N172W 995 MB. FROM 48N TO 56N BETWEEN 

164W AND 177E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 



.SYNOPSIS AND FORECAST. 



.LOW 54N135W 1005 MB MOVING NE 10 KT. WITHIN 240 NM SE 

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

.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS 

DIMINISHED. 



.LOW 38N125W 1012 MB MOVING SE 05 KT. FROM 34N TO 42N BETWEEN 

125W AND 131W WINDS TO 25 KT. SEAS TO 9 FT. 

.24 HOUR FORECAST LOW DISSIPATED. FROM 33N TO 41N BETWEEN 124W 

AND 128W AREA OF NW WINDS TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST FROM 31N TO 36N BETWEEN 119W AND 123W AREA OF 

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



.LOW 48N144W 1008 MB MOVING E 10 KT. WITHIN 240 NM E AND SE OF A 

LINE FROM LOW CENTER TO 41N169W WINDS TO 25 KT. SEAS TO 9 FT. 

.24 HOUR FORECAST LOW 49N138W 1009 MB. FROM 40N TO 46N BETWEEN 

130W AND 145W WINDS 20 TO 30 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST LOW 48N126W 1004 MB. FROM 41N TO 50N BETWEEN 

124W AND 142W WINDS TO 25 KT. SEAS TO 9 FT. 



.LOW 53N159W 1001 MB MOVING NE 10 KT. FROM 50N TO 59N BETWEEN 

155W AND 167W WINDS TO 25 KT. SEAS TO 10 FT.

.24 HOUR FORECAST LOW 54N153W 1005 MB. FROM 52N TO 56N BETWEEN 

147W AND 158W WINDS TO 25 KT. SEAS TO 9 FT.

.48 HOUR FORECAST LOW 56N146W 1009 MB. FROM 50N TO 56N BETWEEN 

139W AND 155W WINDS TO 25 KT. SEAS TO 9 FT.



.LOW 39N177W 1008 MB MOVING NE 25 KT. WITHIN 360 NM SE AND S 

QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT. 

.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS 

DIMINISHED. 



.LOW 38N171E 1008 MB MOVING E 20 KT. FROM 35N TO 40N BETWEEN 

173E AND 165E WINDS TO 25 KT. SEAS TO 10 FT. 

.24 HOUR FORECAST LOW 39N178W 1012 MB. FROM 33N TO 41N BETWEEN 

176W AND 170E WINDS TO 25 KT. SEAS TO 11 FT. 

.48 HOUR FORECAST LOW 42N165W 1016 MB. WITHIN 540 NM W AND NW OF 

A LINE FROM 39N158W TO 30N171W WINDS TO 25 KT. SEAS TO 10 FT. 



.48 HOUR FORECAST LOW NW OF AREA 54N163E 1007 MB. FROM 47N TO 

53N W OF 174E WINDS TO 25 KT. SEAS TO 8 FT. 



.48 HOUR FORECAST LOW W OF AREA 46N151E 999 MB. FROM 30N TO 47N 

W OF 164E WINDS 20 TO 30 KT. SEAS TO 9 FT.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 49N BETWEEN 

172W AND 172E...N OF 55N BETWEEN 161W AND 166W...AND FROM 39N TO 

53N BETWEEN 147W AND 165W. 

.24 HOUR FORECAST DENSE FOG N OF 53N BETWEEN 175W AND 178E...N 

OF 57N BETWEEN 158W AND 161W...FROM 43N TO 47N BETWEEN 148W AND 

154W...AND FROM 45N TO 47N BETWEEN 135W AND 140W. 

.48 HOUR FORECAST DENSE FOG FROM 52N TO 55N BETWEEN 169W AND 

176E...AND FROM 40N TO 44N BETWEEN 156W AND 166W. 



.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 0000 UTC WED APR 24.

24 HOUR FORECAST VALID 0000 UTC THU APR 25.

48 HOUR FORECAST VALID 0000 UTC FRI APR 26.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.WITHIN 14N137W TO 18N140W TO 03N140W TO 04N138W TO 08N136W TO

14N137W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.

.24 HOUR FORECAST LITTLE CHANGE.

.48 HOUR FORECAST WITHIN 17N131W TO 19N140W TO 06N140W TO 

05N138W TO 10N132W TO 17N131W NE TO E WINDS 20 TO 25 KT. SEAS 8 

TO 10 FT.



.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.

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



.WITHIN 12N96W TO 14N98W TO 13N100W TO 11N101W TO 10N99W TO

11N97W TO 12N96W WINDS 20 KT OR LESS. SEAS TO 8 FT IN NE SWELL.

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



.WITHIN 31N114W TO 30.5N114.5W TO 30N114.5W TO 30N114W TO

30.5N114W TO 31N114W...INCLUDING THE NORTHERN GULF OF 

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

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

.24 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.

.30 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. SEAS LESS THAN 8 FT.

.42 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 0300 UTC WED APR 24...



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

TROUGH AXIS EXTENDS FROM 07N78W TO 06N80W TO 07N87W TO 07N95W. 

THE ITCZ AXIS EXTENDS FROM 07N95W TO 06N105W TO 07N115W TO 

05N128W TO 04N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 30

NM EITHER SIDE OF THE ITCZ BETWEEN 99W AND 107W AND WITHIN 60 NM

N OF THE ITCZ BETWEEN 120W AND 123W. SCATTERED MODERATE WITHIN 

60 NM S OF THE ITCZ BETWEEN 107W AND 113W.



$$

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.