####018007507####
FZPN01 KWBC 140407

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

0430 UTC SUN APR 14 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 14. 

24 HOUR FORECAST VALID 0000 UTC APR 15. 

48 HOUR FORECAST VALID 0000 UTC APR 16. 



.WARNINGS. 



...STORM WARNING... 

.COMPLEX LOW WITH ONE CENTER 43N159E 996 MB MOVING NE 15 KT

AND A SECOND CENTER 45N166E 1007 MB MOVING NE 25 KT AND 

INTENSIFYING. W OF A LINE FROM 30N164E TO 44N178E TO 48N176E 

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

.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 52N180W 993 MB 

AND A SECONDARY CENTER 44N165E 1005 MB. WITHIN 300 NM E AND SE 

QUADRANTS OF MAIN CENTER WINDS 35 TO 50 KT. SEAS 14 TO 24 FT. 

ELSEWHERE FROM 48N TO 57N BETWEEN 168W AND 176E...WITHIN 240 NM 

NW SEMICIRCLE OF SECONDARY CENTER...AND WITHIN 300 NM E AND NE 

OF A FRONT TO EXTEND FROM 35N162E TO 40N168E TO 48N179W WINDS 25 

TO 40 KT. SEAS 11 TO 22 FT.

.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 60N170W 992 MB 

AND A SECONDARY CENTER 48N176W 1007 MB. FROM 48N TO 64N BETWEEN 

157W AND 169W...AND WITHIN 300 NM SE...AND 480 NM S AND SW 

QUADRANTS OF SECONDARY CENTER WINDS 25 TO 40 KT. SEAS 9 TO 18 

FT. ELSEWHERE N OF 54N BETWEEN 156W AND 175W...AND WITHIN 780 NM 

NE...420 NM SE...AND 600 NM S AND SW QUADRANTS OF SECONDARY 

CENTER WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.



...GALE WARNING... 

.LOW 38N125W 1007 MB MOVING SE 10 KT. FROM 32N TO 42N BETWEEN 

124W AND 132W WINDS 25 TO 35 KT. SEAS 10 TO 19 FT. ELSEWHERE 

FROM 31N TO 50N BETWEEN 122W AND 135W WINDS 20 TO 30 KT. SEAS 8 

TO 16 FT. 

.24 HOUR FORECAST LOW DISSIPATED. FROM 31N TO 51N BETWEEN 119W 

AND 131W N TO NW WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 

.48 HOUR FORECAST E OF A LINE FROM 30N126W TO 39N130W TO 51N131W 

N TO NW WINDS 20 TO 30 KT. SEAS TO 11 FT. 



...GALE WARNING... 

.COMPLEX LOW WITH MAIN CENTER 59N148W 1007 MB MOVING SE 15 KT. 

WITHIN 480 NM SW QUADRANT WINDS 25 TO 35 KT. SEAS TO 11 FT. 

.24 HOUR FORECAST LOW DISSIPATED. FROM 51N TO 59N BETWEEN 137W 

AND 153W WINDS TO 25 KT. SEAS TO 10 FT.

.48 HOUR FORECAST CONDITIONS DIMINISHED. 



...GALE WARNING... 

.LOW 33N165W 998 MB MOVING SE 10 KT. FROM 30N TO 42N BETWEEN 

151W AND 179W WINDS 25 TO 40 KT. SEAS 9 TO 21 FT. HIGHEST WINDS 

AND SEAS NEAR 33N172W.

.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 31N161W 1002 MB 

AND A NEW SECOND CENTER 39N158W 1007 MB. N OF 30N...WITHIN 600 

NM W AND NW QUADRANTS...AND BETWEEN 240 NM AND 660 NM E AND NE 

QUADRANTS OF FIRST CENTER...AND WITHIN 480 NM N SEMICIRCLE OF 

NEW SECOND CENTER WINDS 25 TO 40 KT. SEAS 11 TO 22 FT.

.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER S OF AREA AND  

SECOND CENTER 42N153W 1008 MB. WITHIN AN AREA BOUNDED BY 30N142W 

TO 49N142W TO 51N149W TO 50N155W TO 30N170W TO 30N142W WINDS 25 

TO 40 KT. SEAS 9 TO 17 FT...HIGHEST WITHIN 480 NM NE QUADRANT OF 

SECOND CENTER.



...GALE WARNING...

.24 HOUR FORECAST LOW W OF AREA NEAR 32N158E 1009 MB. EXCEPT 

WHERE DESCRIBED IN STORM WARNING ABOVE...N OF 30N...WITHIN 480 

NM E AND NE QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.

.48 HOUR FORECAST LOW 34N162E 1004 MB. N OF 30N...WITHIN 480 NM 

NE...540 NM E AND SE...90 NM SW...AND 420 NM NW QUADRANTS WINDS 

25 TO 35 KT. SEAS 9 TO 16 FT. 



.SYNOPSIS AND FORECAST. 



.48 HOUR FORECAST LOW 52N171E 1010 MB. WITHIN 300 NM S AND SW 

QUADRANTS...AND N OF 52N W OF 174E...WINDS TO 25 KT. SEAS TO 9 

FT. 



.LIGHT TO MODERATE FREEZING SPRAY N OF 56N BETWEEN 151W AND 

164W. .24 HOUR FORECAST CONDITIONS IMPROVED. 



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM BETWEEN 50N AND 56N 

FROM 180W TO 170E...AND FROM 42N TO 48N BETWEEN 176E AND 161E. 

.24 HOUR FORECAST DENSE FOG FROM 36N TO 45N BETWEEN 151W AND 

158W...FROM 51N TO 61N BETWEEN 172W AND 175E...AND WITHIN 120 NM 

OF 45N174E.  

.48 HOUR FORECAST DENSE FOG FROM 38N TO 49N BETWEEN 145W AND 

154W...N OF 50N BETWEEN 162W AND 171W...FROM 45N TO 49N BETWEEN 

167W AND 179W...FROM 51N TO 55N BETWEEN 178E AND 169E...AND FROM 

30N TO 38N W OF 166E.



.FORECASTER MILLS. 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 SUN APR 14.

24 HOUR FORECAST VALID 0000 UTC MON APR 15.

48 HOUR FORECAST VALID 0000 UTC TUE APR 16.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.WITHIN 16N94W TO 16N95W TO 16N96W TO 13N98W TO 13N96W TO 14N94W

TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... NE WINDS 20 TO

30 KT. SEAS 8 FT.

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

LESS THAN 8 FT.



.WITHIN 12N87W TO 11N100W TO 12N116W TO 08N112W TO 06N102W TO

09N86W TO 12N87W...INCLUDING THE GULF OF PAPAGAYO... E WINDS 20

TO 30 KT. SEAS 8 TO 10 FT.

.24 HOUR FORECAST WITHIN 11N86W TO 12N87W TO 12N88W TO 10N89W TO

10N88W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... E

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

.48 HOUR FORECAST WITHIN 11N86W TO 12N87W TO 12N88W TO 11N89W TO

10N87W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... E

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



.WITHIN 30N122W TO 30N140W TO 26N140W TO 25N135W TO 27N127W TO

30N122W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL.

.24 HOUR FORECAST WITHIN 29N114W TO 30N116W TO 

30N118W TO 29N118W TO 27N116W TO 27N114W TO 29N114W NW WINDS 20 

TO 25 KT. SEAS 8 FT. ELSEWHERE WITHIN 30N116W TO 30N135W TO 

25N140W TO 19N140W TO 20N132W TO 25N121W TO 30N116W WINDS 20 KT 

OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL. 

.48 HOUR FORECAST WITHIN 29N114W TO 30N116W TO 30N117W TO 

28N117W TO 26N115W TO 26N113W TO 29N114W NW TO N WINDS 20 TO 25 

KT. SEAS 8 TO 10 FT IN NW SWELL. ELSEWHERE WITHIN 23N113W TO 

30N117W TO 25N128W TO 24N140W TO 17N140W TO 16N116W TO 23N113W 

WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.



.WITHIN 10N137W TO 11N140W TO 06N140W TO 09N136W TO 10N137W

WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL. WITHIN 00N122W TO

02N129W TO 00N134W TO 03.4S120W TO 03S120W TO 03.4S114W TO

00N122W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO SW SWELL.

.24 HOUR FORECAST WITHIN 12N116W TO 10N140W TO 04N138W TO 

03.4S120W TO 03.4S98W TO 12N116W WINDS 20 KT OR LESS. SEAS 8 TO 

10 FT IN S TO SW SWELL.

.48 HOUR FORECAST WITHIN 11N108W TO 16N119W TO 16N140W TO 

08N139W TO 03.4S107W TO 03.4S94W TO 11N108W NE TO E WINDS 20 TO 

25 KT. 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 0300 UTC SUN APR 14...



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

TROUGH FROM 06N77W TO 04N80W TO 04N85W. ITCZ FROM 04N85W TO 

07N110W TO BEYOND 03N140W. SCATTERED MODERATE FROM 06N TO 12N 

BETWEEN 100W AND 110W...AND FROM 06N TO 12N BETWEEN 118W AND 

120W.



$$

.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.