North Pacific High Seas Forecast

FZPN01 KWBC 250346
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SAT APR 25 2026

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 S OF 67N AND N OF 30N E OF A LINE FROM THE BERING STRAIT
TO 53N172E TO 50N180W TO 30N180W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0000 UTC APR 25. 
24 HOUR FORECAST VALID 0000 UTC APR 26.
48 HOUR FORECAST VALID 0000 UTC APR 27.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW W OF AREA 42N168E 990 MB MOVING NE 30 KT AND RAPIDLY
INTENSIFYING. FROM 40N TO 44N W OF 178W WINDS 25 TO 35 KT.
SEAS 3 TO 4.5 M. ELSEWHERE FROM 38N TO 45N W OF 174W WINDS
TO 25 KT. SEAS TO 3.5 M.
.12 HOUR FORECAST LOW W OF AREA 47N177E 976 MB. WITHIN 300
NM SE QUADRANT WINDS 35 TO 50 KT. SEAS  3.5 TO 6 M.
.24 HOUR FORECAST LOW 51N179W 953 MB. WITHIN 180 NM S
SEMICIRCLE WINDS 50 TO 65 KT. SEAS 7 TO 12 M. ALSO WITHIN 300 
NM E AND S SEMICIRCLES WINDS 35 TO 50 KT. SEAS 6 TO 11 M.
ELSEWHERE FROM 36N TO 58N W OF 161W WINDS 25 TO 40 KT.
SEAS 3 TO 10 M...HIGHEST WITHIN 180 NM SE QUADRANT. 
.48 HOUR FORECAST LOW 56N175W 960 MB. N OF 43N W OF 151W
WINDS 30 TO 45 KT. SEAS 5 TO 9 M. ELSEWHERE N OF 38N W OF
149W WINDS 20 TO 30 KT. SEAS 4 TO 7 M. 

...GALE WARNING...
.LOW 51N163W 1002 MB MOVING NE 20 KT. WITHIN 180 NM NE AND
SW...AND 300 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 5 
M. ELSEWHERE FROM 42N TO 54N BETWEEN 167W AND 156W 
WINDS TO 25 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 56N156W 1013 MB. WITHIN 180 NM SE 
SEMICIRCLE WINDS TO 25 KT. SEAS TO 3 M.
.36 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED 
CONDITIONS DIMINISHED.

.SYNOPSIS AND FORECAST.

.LOW 58N174W 1000 MB MOVING NW 10 KT. FROM 52N TO 57N W OF 
170W WINDS TO 25 KT. SEAS TO 2.5 M. 
.12 HOUR FORECAST LOW MERGED WITH LOW W OF AREA WITH 
ASSOCIATED CONDITIONS DIMINISHED. 

.LOW 58N149W 1015 MB MOVING E 10 KT. WITHIN 300 NM E AND NE...
480 NM S AND SE...AND 120 NM NW QUADRANTS WINDS 20 TO 30 KT.
SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 59N146W 1020 MB. WINDS LESS THAN 25 
KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LOW MOVED INLAND.

.FROM 40 TO 56N BETWEEN 137W AND 124W NW TO N WINDS 20 TO 
30 KT. SEAS TO 3 M. 
.24 HOUR FORECAST FROM 46N TO 56N BETWEEN 135W AND 124W 
NW TO N WINDS 20 TO 30 KT. SEAS TO 3.5 M. 
.48 HOUR FORECAST FROM 40N TO 57N BETWEEN 137W AND 126W 
NW TO N WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 57N W OF 
144W.
.24 HOUR FORECAST DENSE FOG FROM 47N TO 57N W OF 162W. 
.48 HOUR FORECAST DENSE FOG N OF 51N W OF 162W...AND N OF 
56N BETWEEN 157W AND 150W.

.LIGHT FREEZING SPRAY N OF 60N W OF 176W.
.24 HOUR FORECAST CONDITIONS IMPROVED.

.FORECASTER MILLS. 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 0000 UTC SAT APR 25.
24 HOUR FORECAST VALID 0000 UTC SUN APR 26.
48 HOUR FORECAST VALID 0000 UTC MON APR 27.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 11N135W TO 11N137W TO 08N137W TO 08N135W TO 08N134W TO
11N135W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.24 HOUR FORECAST WITHIN 31N113W TO 31N114W TO 31N115W TO
30N115W TO 29N114W TO 30N113W TO 31N113W...INCLUDING THE GULF OF
CALIFORNIA... S TO SW WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 0230 UTC SAT APR 25...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS FROM 08N78W TO 09N95W TO 07N115W. ITCZ FROM 07N115W 
TO 07N125W TO 04N140W. NUMEROUS MODERATE TO ISOLATED STRONG 
FROM 10N TO 13N BETWEEN 116W AND 126W. SCATTERED MODERATE 
FROM 04N TO 08N BETWEEN 130W AND 140W. 


.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

$$