####018005079####
FZPN01 KWBC 220352

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

0430 UTC MON APR 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 22. 

24 HOUR FORECAST VALID 0000 UTC APR 23. 

48 HOUR FORECAST VALID 0000 UTC APR 24. 



.WARNINGS. 



...STORM WARNING... 

.COMPLEX LOW WITH MAIN CENTER 56N177E 993 MB MOVING S 10 KT. W 

AND NW OF A LINE FROM 43N171E TO 53N179W TO 53N170W WINDS 25 TO 

35 KT. SEAS 9 TO 17 FT. 

.12 HOUR FORECAST COMBINED LOW 54N172E 977 MB. WITHIN 180 NM W 

SEMICIRCLE WINDS 40 TO 50 KT. SEAS 14 TO 24 FT.

.24 HOUR FORECAST LOW 52N177E 970 MB. FROM 48N TO 51N BETWEEN 

179W AND 172E...AND N OF 50N BETWEEN 172E AND 167E WINDS 40 TO 

50 KT. SEAS 20 TO 30 FT. ELSEWHERE WITHIN 540 NM S AND 840 NM N 

SEMICIRCLES WINDS 25 TO 40 KT. SEAS 11 TO 22 FT. ALSO WITHIN 720 

NM E OF A FRONT FROM 52N170W TO 41N174W TO 31N174E WINDS 20 TO 

30 KT. SEAS 8 TO 13 FT.

.48 HOUR FORECAST LOW 55N179W 972 MB. N OF 43N BETWEEN 168W AND 

166E WINDS 25 TO 40 KT. SEAS 11 TO 22 FT. ELSEWHERE N OF 51N 

BETWEEN 155W AND 168W WINDS TO 25 KT. SEAS TO 11 FT. 



...STORM WARNING... 

.COMPLEX LOW WITH MAIN CENTER 49N180W 988 MB MOVING NW 15 KT. 

FRONT FROM LOW TO 41N171E TO 37N160E. WITHIN 360 NM NE 

QUADRANT...AND 600 NM E AND SE OF FRONT WINDS 25 TO 40 KT. SEAS 

9 TO 18 FT. 

.18 HOUR FORECAST LOW 55N176E 975 MB. WITHIN 300 NM N SEMICIRCLE 

WINDS 40 TO 50 KT. SEAS 14 TO 20 FT.

.24 HOUR FORECAST LOW 52N173E 974 MB. CONDITIONS DESCRIBED ABOVE 

WITH LOW 52N177E.

.48 HOUR FORECAST LOW ABSORBED BY LOW 55N179W DESCRIBED ABOVE. 



...GALE WARNING... 

.LOW 52N149W 1006 MB MOVING NE 10 KT. FROM 38N TO 53N BETWEEN 

141W AND 156W WINDS 20 TO 30 KT. SEAS TO 10 FT. 

.24 HOUR FORECAST LOW 53N144W 1002 MB. FROM 47N TO 59N BETWEEN 

131W AND 151W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. 

.48 HOUR FORECAST LOW 53N134W 1008 MB. FROM 49N TO 55N BETWEEN 

130W AND 137W WINDS TO 25 KT. SEAS TO 11 FT. 



...GALE WARNING... 

.FROM 33N TO 44N BETWEEN 122W AND 129W AREA OF N TO NW WINDS 25 

TO 35 KT. SEAS 8 TO 13 FT.

.24 HOUR FORECAST FROM 34N TO 47N BETWEEN 124W AND 131W AREA OF 

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

.48 HOUR FORECAST FROM 34N TO 44N BETWEEN 125W AND 130W AREA OF 

N TO NW WINDS TO 25 KT. SEAS TO 9 FT. 



.SYNOPSIS AND FORECAST. 



.48 HOUR FORECAST NEW LOW 48N146W 1008 MB. WITHIN 300 NM E AND 

SE OF A FRONT FROM LOW TO 43N161W TO 38N177W WINDS 20 TO 30 KT. 

SEAS TO 10 FT.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 58N 

BETWEEN 172W AND 170E...N OF 60N W OF 175W...AND FROM 51N TO 54N 

BETWEEN 147W AND 151W. 

.24 HOUR FORECAST DENSE FOG FROM 50N TO 59N BETWEEN 170W AND 

167E...AND FROM 43N TO 56N BETWEEN 158W AND 170W. 

.48 HOUR FORECAST DENSE FOG N OF 48N BETWEEN 173W AND 

174E...FROM 40N TO 53N BETWEEN 149W AND 165W...AND N OF 57N 

BETWEEN 161W AND 165W. 



.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 MON APR 22.

24 HOUR FORECAST VALID 0000 UTC TUE APR 23.

48 HOUR FORECAST VALID 0000 UTC WED APR 24.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.WITHIN 12N134W TO 13N139W TO 09N139W TO 07N134W TO 07N131W TO

12N134W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.

.24 HOUR FORECAST WITHIN 08N137W TO 09N138W TO 10N140W TO

05N140W TO 06N138W TO 08N137W WINDS 20 KT OR LESS. SEAS 8 TO 9

FT IN NE SWELL.

.48 HOUR FORECAST WITHIN 10N139W TO 11N140W TO 06N140W TO

07N139W TO 08N138W TO 10N139W WINDS 20 KT OR LESS. SEAS 8 FT

IN NE SWELL.



.12 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO

14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF

TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS 8 FT.

.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N95W TO

15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS

20 TO 30 KT. SEAS 8 TO 9 FT.

.48 HOUR FORECAST WITHIN 13N97W TO 12N99W TO 11N99W TO 11N98W TO

11N97W TO 13N97W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.



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



CONVECTION VALID AT 0200 UTC MON APR 22...



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

SURFACE TROUGH FROM 08N79W TO 05N93W. ITCZ FROM 05N93W TO BEYOND

05N140W. SCATTERED MODERATE FROM 03N TO 08N W OF 122W. SCATTERED

SHOWERS NOTED ALONG THE TROUGH.



$$

.FORECASTER ERA. NATIONAL HURRICANE CENTER.