North Pacific High Seas Forecast

Hurricane Warnings in Effect
North Pacific High Seas Forecast

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FZPN01 KWBC 221010
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
1030 UTC SAT FEB 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC FEB 22. 
24 HOUR FORECAST VALID 0600 UTC FEB 23. 
48 HOUR FORECAST VALID 0600 UTC FEB 24. 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING... 
.24 HOUR FORECAST LOW 35N163E 998 MB. WITHIN 180 NM S AND 240 NM 
SW QUADRANTS WINDS 35 TO 50 KT. SEAS 16 TO 24 FT. ELSEWHERE S OF 
37N W OF 168E WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.
.30 HOUR FORECAST LOW 37N166E 988 MB. WITHIN 180 NM SW QUADRANT 
WINDS 50 TO 65 KT. SEAS 17 TO 29 FT. 
.48 HOUR FORECAST LOW 38N176W 989 MB. WITHIN 300 NM S AND SW 
QUADRANTS WINDS 35 TO 50 KT. SEAS 14 TO 24 FT. ELSEWHERE S OF 
41N BETWEEN 160W AND 176E WINDS 25 TO 40 KT. SEAS 10 TO 20 FT. 

...GALE WARNING... 
.LOW 45N179W 985 MB MOVING E 20 KT. FROM 39N TO 45N BETWEEN 170W 
AND 177E WINDS 25 TO 40 KT. SEAS 15 TO 26 FT. 
.24 HOUR FORECAST LOW 43N174W 989 MB. S OF 43N BETWEEN 165W AND 
176W WINDS 25 TO 40 KT. SEAS 14 TO 24 FT. 
.48 HOUR FORECAST LOW 42N160W 1003 MB. WITHIN 300 NM S QUADRANT 
WINDS 20 TO 30 KT. SEAS 14 TO 19 FT. 

...GALE WARNING... 
.LOW 53N138W 978 MB MOVING N 20 KT THEN NW 15 KT AFTER 24 HOURS. 
FROM 49N TO 56N E OF 140W WINDS 25 TO 40 KT. SEAS 12 TO 24 FT. 
.24 HOUR FORECAST LOW 58N140W 980 MB. WITHIN 180 NM N AND NE 
QUADRANTS WINDS 20 TO 30 KT. SEAS 9 TO 14 FT. 
.48 HOUR FORECAST LOW 59N147W 987 MB. WITHIN 120 NM NE QUADRANT 
WINDS TO 25 KT. SEAS TO 9 FT. 

...GALE WARNING... 
.LOW 43N174E 990 MB MOVING E 25 KT. S OF 43N BETWEEN 177E AND 
163E WINDS 25 TO 40 KT. SEAS 12 TO 22 FT. 
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 43N174W 
DESCRIBED ABOVE. 

...GALE WARNING... 
.LOW 48N154W 976 MB MOVING N 15 KT AND SLOWING AFTER 24 HOURS. 
FROM 33N TO 48N BETWEEN 135W AND 160W WINDS 25 TO 40 KT. SEAS 9 
TO 23 FT. 
.24 HOUR FORECAST LOW 51N154W 976 MB. FROM 44N TO 51N BETWEEN 
148W AND 160W WINDS 20 TO 30 KT. SEAS 10 TO 19 FT. 
.48 HOUR FORECAST LOW 52N154W 982 MB. WITHIN 360 NM S AND SW 
QUADRANTS WINDS 20 TO 30 KT. SEAS 9 TO 18 FT. 

...GALE WARNING... 
.LOW 47N166W 972 MB WILL MOVE E 15 KT AND ACCELERATE TO 25 KT 
AFTER 24 HOURS. FROM 40N TO 47N BETWEEN 160W AND 175W WINDS 30 
TO 45 KT. SEAS 12 TO 24 FT. 
.24 HOUR FORECAST LOW 47N160W 980 MB. WITHIN 360 NM S QUADRANT 
WINDS WINDS 25 TO 35 KT. SEAS 12 TO 22 FT. 
.48 HOUR FORECAST LOW DISSIPATED WITH ASSOCIATED CONDITIONS 
DESCRIBED WITH NEW LOW 43N139W DESCRIBED BELOW. 

...GALE WARNING... 
.LOW 39N168W 993 MB MOVING NE 40 KT. S OF 39N BETWEEN 162W AND 
180W WINDS 25 TO 40 KT. SEAS 16 TO 24 FT. 
.24 HOUR FORECAST LOW 44N146W 993 MB. FROM 34N TO 45N BETWEEN 
135W AND 155W WINDS 25 TO 40 KT. SEAS 12 TO 19 FT. 
.48 HOUR FORECAST LOW 51N129W 998 MB. WITHIN 240 NM S AND SW 
QUADRANTS WINDS 20 TO 30 KT. SEAS 10 TO 17 FT.

...GALE WARNING... 
.LOW 53N177E 983 MB MOVING E 10 KT. WITHIN 420 NM N AND NW 
QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. 
.24 HOUR FORECAST LOW 54N179W 986 MB. BETWEEN 180 NM AND 360 NM 
W AND NW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 
.48 HOUR FORECAST LOW 55N176W 990 MB. WITHIN 360 NM W AND NW 
QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT. 

...GALE WARNING...
.24 HOUR FORECAST LOW 34N175E 1003 MB. FROM 30N TO 36N BETWEEN 
179E AND 168E WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 38N160W 
DESCRIBED ABOVE. 

...GALE WARNING... 
.48 HOUR FORECAST NEW LOW 43N139W 997 MB. FROM 33N TO 43N 
BETWEEN 130W AND 150W WINDS 25 TO 40 KT. SEAS 10 TO 19 FT. 

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY N OF 60N W OF 170W. ELSEWHERE 
LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF 167W AND W OF 
166E N OF 49N. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 60N W OF 
171W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF 
163W. 
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 60N W OF 
171W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE 
FROM 58N163W TO 58N172W TO 55N171E. 

.SYNOPSIS AND FORECAST. 

.DENSE FOG. VSBY OCCASIONALLY 1 NM OR LESS N AND NW OF A LINE 
FROM 55N177E TO 57N170W TO 56N158W...FROM 38N TO 46N BETWEEN 
133W AND 142W AND FROM 45N TO 50N BETWEEN 162W AND 172W. 
.24 HOUR FORECAST DENSE FOG FROM 40N TO 47N BETWEEN 124W AND 
135W. 
.48 HOUR FORECAST DENSE FOG FROM 39N TO 44N BETWEEN 125W AND 
132W. 

.FORECASTER ROWLAND. 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 0600 UTC SAT FEB 22.
24 HOUR FORECAST VALID 0600 UTC SUN FEB 23.
48 HOUR FORECAST VALID 0600 UTC MON FEB 24.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N94.5W TO 16.5N94.5W TO 16N95W TO 15.5N95W TO 
15.5N94.5W
TO 16N94.5W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO 
35 KT. SEAS 10 TO 11 FT. ELSEWHERE WITHIN 16N94W TO 16N95W TO 
14N97W TO 13N97W TO 13N96W TO 14N94W TO 16N94W N TO NE WINDS 20 
TO 30 KT. SEAS 9 TO 10 FT. REMAINDER OF AREA WITHIN 10N99W TO 
16N94W TO 13N99W TO 13N105W TO 07N106W TO 07N97W TO 10N99W WINDS 
20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.09 HOUR FORECAST LITTLE CHANGE...EXCEPT BELOW GALE.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N97W TO 13N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF 
TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS 9 TO 10 FT. ELSEWHERE 
WITHIN 09N98W TO 13N103W TO 12N108W TO 09N111W TO 06N106W TO 
06N100W TO 09N98W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE 
SWELL.
.48 HOUR FORECAST WITHIN 16.5N94.5W TO 16.5N95W TO 16N95.5W TO 
15N95.5W TO 15N94.5W TO 15.5N94.5W TO 16.5N94.5W...INCLUDING THE 
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.WITHIN 22N130W TO 30N119W TO 30N140W TO 07N140W TO 07N135W TO
15N128W TO 22N130W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.
.24 HOUR FORECAST WITHIN 20N126W TO 22N140W TO 08N140W TO 
07N122W TO 13N120W TO 20N126W WINDS 20 KT OR LESS. SEAS 8 FT IN 
NW SWELL.
.48 HOUR FORECAST WITHIN 12N117W TO 14N118W TO 14N123W TO 
12N125W TO 08N124W TO 09N121W TO 12N117W NE WINDS 20 TO 30 KT. 
SEAS 8 TO 10 FT. WITHIN 13N134W TO 13N139W TO 10N139W TO 10N135W 
TO 13N134W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE 
WITHIN 14N113W TO 17N124W TO 17N140W TO 05N140W TO 05N127W TO 
09N114W TO 14N113W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MAINLY 
N SWELL.

.WITHIN 11N86W TO 12N86W TO 12N89W TO 10N91W TO 09N91W TO 09N88W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO
30 KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN 10N86W TO 12N86W TO 
12N89W
TO 10N92W TO 08N91W TO 08N88W TO 10N86W WINDS 20 KT OR LESS. 
SEAS 8 FT IN NE SWELL.
.24 HOUR FORECAST WITHIN 11N86W TO 12N87W TO 12N88W TO 11N90W TO
09N90W TO 09N88W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE
TO E WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST WITHIN 12N86W TO 12N89W TO 10N89W TO 10N86W TO
12N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.

.48 HOUR FORECAST WITHIN 30N138W TO 30N140W TO 29N140W TO 29N139W
TO 30N138W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.

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

CONVECTION VALID AT 0830 UTC SAT FEB 22...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 07N78W TO 06N123W. SURFACE TROUGH ALONG 126W,
SOUTH OF 12N. ITCZ FROM 06N129W TO BEYOND 06N140W. ISOLATED 
STRONG
N OF 02N E OF 85W. SCATTERED MODERATE FROM 06N TO 20N W OF 121W.

$$
.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.