####018007935####
FZPN01 KWBC 122211

HSFEP1



HIGH SEAS FORECAST

NWS OCEAN PREDICTION CENTER WASHINGTON DC

2230 UTC FRI APR 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1800 UTC APR 12. 

24 HOUR FORECAST VALID 1800 UTC APR 13.

48 HOUR FORECAST VALID 1800 UTC APR 14.



.WARNINGS.



...GALE WARNING...

.LOW 38N129W 1005 MB MOVING SE 10 KT. WITHIN AN AREA BOUNDED BY A

LINE FROM 38N127W TO 30N133W TO 36N144W TO 42N143W TO 47N131W TO

46N124W TO LOW CENTER TO 38N127W WINDS 25 TO 40 KT. SEAS 9 TO 21

FT...HIGHEST W OF CENTER.

.24 HOUR FORECAST LOW 38N124W 1006 MB. WITHIN AN AREA BOUNDED BY

A LINE FROM 31N121W TO 31N136W TO 44N136W TO 53N124W TO 34N121W

TO 31N121W WINDS 25 TO 40 KT. SEAS 8 TO 19 FT...HIGHEST W OF

CENTER.

.48 HOUR FORECAST LOW 35N121W 1014 MB. FROM 31N TO 50N BETWEEN

120W AND 130W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.



...GALE WARNING...

.LOW 38N168W 997 MB MOVING NE 10 KT. S OF A LINE FROM 30N173E TO

39N175W TO 39N160W TO 30N151W WINDS 25 TO 40 KT. SEAS 8 TO 25

FT...HIGHEST WITHIN 420 NM NW QUADRANT.

.24 HOUR FORECAST LOW 33N166W 998 MB. S OF A LINE FROM 32N177E TO

42N173W TO 42N160W TO 34N152W WINDS 25 TO 40 KT. SEAS 8 TO 21

FT...HIGHEST WITHIN 480 NM W SEMICIRCLE.

.48 HOUR FORECAST LOW 32N163W 1001 MB. WITHIN 600 NM W...AND 540

NM NW SEMICIRCLES WINDS 25 TO 35 KT. SEAS 10 TO 19 FT. ELSEWHERE

S OF A LINE FROM 35N177E TO 44N169W TO 44N153W WINDS 20 TO 30 KT.

SEAS 8 TO 14 FT.



...GALE WARNING...

.24 HOUR FORECAST NEW LOW 59N149W 1005 MB. WITHIN 480 NM S...AND

540 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS TO 12 FT.

.48 HOUR FORECAST LOW 55N142W 1016 MB. WITHIN 540 NM W QUADRANT

WINDS TO 25 KT. SEAS TO 10 FT.



...GALE WARNING...

.24 HOUR FORECAST LOW W OF AREA NEAR 42N157E 999 MB. W OF A LINE

FROM 46N170E TO 32N160E WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.

.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 44N163E 1000 MB

AND NEW SECOND CENTER 49N178E 1004 MB. WITHIN AN AREA BOUNDED BY

A LINE FROM 48N160E TO 54N175W TO 45N175W TO 30N160E TO 48N160E

WINDS 25 TO 40 KT. SEAS 8 TO 17 FT.



...HEAVY FREEZING SPRAY WARNING... 

.MODERATE TO HEAVY FREEZING SPRAY N 58N BETWEEN 160W AND 175W.

ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM

57N158W TO 59N179E.

.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY NW OF A LINE

FROM 59N151W TO 55N160W.

.48 HOUR FORECAST CONDITIONS DIMINISHED.



.SYNOPSIS AND FORECAST.



.LOW 59N146W MOVING NE 20 KT. WITHIN AN AREA BOUNDED BY A LINE

FROM 47N177W TO 60N176W TO 61N140W TO 52N140W TO 47N149W TO

47N177W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.

.24 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS ABSORBED

BY LOW 59N149W DESCRIBED IN WARNINGS SECTION ABOVE.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 51N BETWEEN

141W AND 134W.

.24 HOUR FORECAST DENSE FOG FROM 40N TO 44N W OF 165E.  

.48 HOUR FORECAST DENSE FOG FROM 48N TO 56N BETWEEN 171E AND

177W.



.FORECASTER BYRD. OCEAN PREDICTION CENTER.



NWS 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 1800 UTC FRI APR 12.

24 HOUR FORECAST VALID 1800 UTC SAT APR 13.

48 HOUR FORECAST VALID 1800 UTC SUN APR 14.



.WARNINGS.



...GALE WARNING...

.WITHIN 16N93W TO 16N95W TO 16N96W TO 14N96W TO 14N94W TO 15N94W

TO 16N93W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 30 TO

40 KT. SEAS 12 TO 14 FT. WITHIN 15N93W TO 16N96W TO 13N101W TO 

11N102W TO 09N98W TO 10N95W TO 15N93W NE TO E WINDS 20 TO 30 KT. 

SEAS 8 TO 12 FT. 

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

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

TEHUANTEPEC...N WINDS 30 TO 35 KT. SEAS 12 TO 14 FT. WITHIN 

16N96W TO 12N101W TO 12N106W TO 09N106W TO 08N98W TO 11N94W TO 

16N96W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 

.30 HOUR FORECAST WITHIN 16N94W TO 16N96W TO 09N106W TO 07N103W

TO 07N98W TO 09N96W TO 16N94W...INCLUDING THE GULF OF 

TEHUANTEPEC...NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 

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

TO 15N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N 

WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.



.SYNOPSIS AND FORECAST.



.WITHIN 11N86W TO 12N86W TO 11N88W TO 11N89W TO 09N90W TO 09N88W

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

TO 30 KT. SEAS 8 TO 9 FT.

.24 HOUR FORECAST WITHIN 11N86W TO 12N91W TO 08N96W TO 07N96W TO

07N92W TO 08N88W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...

NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 

.48 HOUR FORECAST WITHIN 10N86W TO 12N86W TO 11N92W TO 09N94W 

TO 08N93W TO 08N89W TO 10N86W...INCLUDING THE GULF OF PAPAGAYO...

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



.WITHIN 13N136W TO 13N140W TO 06N140W TO 08N136W TO 10N135W TO

13N136W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.

.24 HOUR FORECAST WITHIN 10N137W TO 11N139W TO 11N140W TO

06N140W TO 08N137W TO 10N137W WINDS 20 KT OR LESS. SEAS 8 FT IN

NE SWELL.

.48 HOUR FORECAST WITHIN 08N139W TO 09N139W TO 09N140W TO

06N140W TO 07N139W TO 08N139W WINDS 20 KT OR LESS. SEAS 8 TO 10

FT IN E SWELL.



.03 HOUR FORECAST WITHIN 31N113W TO 32N114W TO 32N115W TO

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

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

.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS

LESS THAN 8 FT.

.30 HOUR FORECAST WITHIN 31N113W TO 32N114W TO 32N115W TO

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

CALIFORNIA... S WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.

.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS

LESS THAN 8 FT.



.06 HOUR FORECAST WITHIN 09N79W TO 09N79W TO 08N80W TO 07N80W TO

06N79W TO 07N78W TO 09N79W...INCLUDING THE GULF OF PANAMA AND

NEAR THE AZUERO PENINSULA... N WINDS 20 TO 25 KT. SEAS LESS THAN

8 FT.

.24 HOUR FORECAST WITHIN 05N79W TO 06N80W TO 06N81W TO 05N82W TO

04N82W TO 04N80W TO 05N79W...INCLUDING THE GULF OF PANAMA... N

TO NE WINDS 20 TO 25 KT. SEAS 8 FT.

.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS

LESS THAN 8 FT.



.09 HOUR FORECAST WITHIN 30N131W TO 30N140W TO 29N136W TO

29N135W TO 30N131W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW

SWELL.

.24 HOUR FORECAST WITHIN 30N124W TO 30N140W TO 28N140W TO

27N137W TO 28N128W TO 30N124W WINDS 20 KT OR LESS. SEAS 8 TO 11 

FT IN NW TO N SWELL. 

.48 HOUR FORECAST WITHIN 30N118W TO 30N137W TO 28N140W TO 

20N140W TO 23N126W TO 30N118W WINDS 20 KT OR LESS. SEAS 8 TO 10 

FT IN NW TO N SWELL.



.27 HOUR FORECAST WITHIN 00N119W TO 02N123W TO 02N130W TO

00N133W TO 03.4S120W TO 03.4S115W TO 00N119W WINDS 20 KT OR

LESS. SEAS 8 TO 10 FT IN S TO SW SWELL.

.48 HOUR FORECAST WITHIN 07N118W TO 14N117W TO 12N134W TO

00N135W TO 00N120W TO 03.4S100W TO 07N118W WINDS 20 KT OR LESS.

SEAS 8 TO 10 FT IN S TO SW SWELL.



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



CONVECTION VALID AT 2140 UTC FRI APR 12...



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

A TROUGH EXTENDS FROM COLOMBIA NEAR 06N77W TO 05N81W. THE ITCZ 

CONTINUES FROM 05N82W TO 08N118W TO 04N131W TO BEYOND 04N140W. 

SCATTERED MODERATE FROM 02N TO 12N BETWEEN 82W AND 105W...AND 

FROM 06N TO 13N BETWEEN 109W AND 120W. 





.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.



$$