North Pacific High Seas Forecast

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FZPN01 KWBC 142141
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
2230 UTC MON APR 14 2025 

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 14. 
24 HOUR FORECAST VALID 1800 UTC APR 15. 
48 HOUR FORECAST VALID 1800 UTC APR 16. 

.WARNINGS. 

...STORM WARNING... 
.LOW 45N172W 988 MB MOVING NE 15 KT. FROM 40N TO 46N BETWEEN 
162W AND 166W WINDS 35 TO 45 KT. SEAS 10 TO 16 FT. ELSEWHERE 
FROM 30N TO 51N BETWEEN 156W AND 179E WINDS 25 TO 35 KT. SEAS 8 
TO 15 FT. 
.24 HOUR FORECAST LOW 50N165W 979 MB. WITHIN 240 NM W SEMICIRCLE 
WINDS 40 TO 50 KT. SEAS 12 TO 21 FT. ELSEWHERE FROM 40N TO 58N 
BETWEEN 146W AND 178W WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.
.48 HOUR FORECAST LOW 54N163W 974 MB. WITHIN 420 NM W SEMICIRCLE 
WINDS 35 TO 45 KT. SEAS 11 TO 21 FT. ELSEWHERE N OF 36N BETWEEN 
140W AND 178W WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.

...GALE WARNING... 
.LOW 58N147W 994 MB MOVING E 10 KT. WITHIN 480 NM OF LOW CENTER 
WINDS 25 TO 40 KT. SEAS 8 TO 23 FT...HIGHEST S OF LOW. 
.24 HOUR FORECAST COMBINED LOW 58N138W 1020 MB. N OF 57N E OF 
141W WINDS TO 25 KT. SEAS 8 TO 15 FT. 
.48 HOUR FORECAST LOW DISSIPATED INLAND AND ASSOCIATED 
CONDITIONS DIMINISHED. 

...GALE WARNING... 
.LOW 40N179E 1000 MB MOVING E 30 KT. FROM 32N TO 47N BETWEEN 
179E AND 165E WINDS 25 TO 40 KT. SEAS 8 TO 15 FT. 
.24 HOUR FORECAST LOW 40N164W 996 MB. FROM 30N TO 40N BETWEEN 
154W AND 180W WINDS 25 TO 40 KT. SEAS 10 TO 20 FT. 
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW 
54N163W DESCRIBED ABOVE. 

...GALE WARNING... 
.FROM 32N TO 48N BETWEEN 124W AND 134W WINDS TO 25 KT. SEAS TO 
10 FT. 
.24 HOUR FORECAST FROM 30N TO 48N BETWEEN 124W AND 132W WINDS 20 
TO 30 KT. SEAS 8 TO 13 FT. 
.48 HOUR FORECAST WITHIN 300 NM E OF A LINE FROM 51N132W TO 
43N131W TO 30N139W WINDS 25 TO 35 KT. SEAS 8 TO 16 FT. 

...GALE WARNING... 
.24 HOUR FORECAST FROM 35N TO 48N W OF 165E WINDS 25 TO 35 KT. 
SEAS TO 10 FT. 
.48 HOUR FORECAST N OF 34N BETWEEN 172E AND 162E WINDS 25 TO 40 
KT. SEAS 8 TO 12 FT. 

.SYNOPSIS AND FORECAST. 

.W AND NW OF A LINE FROM 49N167E TO 58N178E W TO SW WINDS TO 25 
KT. SEAS TO 9 FT. 
.24 HOUR FORECAST LOW 52N178W 1010 MB. FROM 42N TO 57N BETWEEN 
178W AND 175E WINDS 20 TO 30 KT. SEAS TO 9 FT. 
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS 
ABSORBED BY LOW 54N163W DESCRIBED ABOVE IN WARNINGS SECTION. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 57N BETWEEN 
139W AND 159W...FROM 43N TO 52N BETWEEN 163W AND 178W...AND N OF 
54N W OF 178E.
.24 HOUR FORECAST DENSE FOG FROM 40N TO 58N BETWEEN 151W AND 
170W...AND FROM 49N TO 55N BETWEEN 175W AND 179W. 
.48 HOUR FORECAST DENSE FOG N OF 57N BETWEEN 140W AND 
154W...FROM 48N TO 57N BETWEEN 147W AND 154W...AND FROM 41N TO 
51N W OF 169E.

.LIGHT TO MODERATE FREEZING SPRAY N OF 57N BETWEEN 162W AND 177W.
.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF 56N BETWEEN 161W AND 
172W. 
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY NE OF A LINE 
FROM 57N170W TO 60N178W. 

.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 1800 UTC MON APR 14.
24 HOUR FORECAST VALID 1800 UTC TUE APR 15.
48 HOUR FORECAST VALID 1800 UTC WED APR 16.

.WARNINGS.

...GALE WARNING...
.12 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO 30 
KT. SEAS BUILDING TO 8 FT.
.24 HOUR FORECAST WITHIN 16N95W TO 15N96W TO 14N96W TO 14N95W TO
15N95W TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 
20 TO 25 KT. SEAS 8 FT.
.36 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 15N95W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 30 TO 35 
KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN 15N93W TO 16N95W TO 15N96W
TO 14N96W TO 14N95W TO 14N94W TO 15N93W N WINDS 20 TO 30 KT. 
SEAS 8 TO 9 FT.
.45 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS BELOW GALE FORCE..
.48 HOUR FORECAST WITHIN 16N94W TO 16N96W TO 14N97W TO 11N98W TO
11N97W TO 13N94W TO 16N94W...INCLUDING THE GULF OF 
TEHUANTEPEC... N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.

.SYNOPSIS AND FORECAST.

.WITHIN 11N86W TO 11N87W TO 10N88W TO 10N87W TO 10N86W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20 TO 25 KT.
SEAS 8 FT.
.24 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 10N88W TO 10N87W TO
10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20
TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WITHIN 11N86W TO 12N86W TO 11N88W TO 09N88W TO
09N87W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... 
NE WINDS 20 TO 25 KT. SEAS TO 8 FT.

.WITHIN 19N137W TO 22N140W TO 14N140W TO 16N137W TO 19N137W
WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.
.24 HOUR FORECAST WITHIN 11N138W TO 14N140W TO 06N140W TO
08N137W TO 11N138W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN 30N118W TO 30N133W TO 27N128W TO 27N121W TO 30N118W
WINDS 20 KT OR LESS. SEAS 8 FT IN N SWELL.
.24 HOUR FORECAST WITHIN 30N133W TO 30N140W TO 27N140W TO 
28N136W TO 30N133W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE
SWELL.
.48 HOUR FORECAST WITHIN 30N133W TO 30N140W TO 28N140W TO 
28N138W TO 29N133W TO 30N133W WINDS 20 KT OR LESS. SEAS 8 FT IN
NE SWELL.

.WITHIN 02S99W TO 01S101W TO 03.4S107W TO 03.4S97W TO 02S99W
WINDS 20 KT OR LESS. SEAS 8 FT IN S SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN 09N99W TO 11N102W TO 09N106W TO 07N106W TO 05N102W TO
07N98W TO 09N99W WINDS 20 KT OR LESS. SEAS 8 FT IN NE AND S 
SWELL.
.12 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 2000 UTC MON APR 14...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 08N78W TO 07N85W. ITCZ FROM 07N85W TO 
06N120W TO 01N140W. SCATTERED MODERATE ISOLATED STRONG 
FROM 04N TO 11N BETWEEN 104W AND 118W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.