North Pacific High Seas Forecast

FZPN01 KWBC 310953
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
1030 UTC SAT OCT 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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). 

FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE 
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). 

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 0600 UTC OCT 31. 
24 HOUR FORECAST VALID 0600 UTC NOV 01. 
48 HOUR FORECAST VALID 0600 UTC NOV 02. 

.WARNINGS. 

...STORM WARNING... 
.LOW 59N147W 990 MB MOVING E 10 KT. WITHIN 90 NM E TO NE OF A 
FRONT FROM LOW CENTER TO 59N143W TO 52N142W WINDS 35 TO 50 KT. 
SEAS 3 TO 6 M. ELSEWHERE N OF 47N BETWEEN 135W AND 146W WINDS 25 
TO 35 KT. SEAS TO 4 M. 
.24 HOUR FORECAST LOW 59N140W 998 MB. WITHIN 180 NM SE OF A LINE 
FROM LOW CENTER TO 57N136W TO 53N138W TO 50N136W TO 47N137W 
WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M. 
.48 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM 52N131W 
1008 MB. WITHIN 180 NM SE OF A LINE FROM LOW CENTER TO 50N131W 
TO 48N134W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M. 

...STORM WARNING... 
.24 HOUR FORECAST COMPLEX LOW W OF AREA WITH MAIN CENTER 53N163E 
969 MB AND RAPIDLY INTENSIFYING. W OF A LINE FROM 58N176E TO 
50N172W TO 44N173W TO 39N178W WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M.
.30 HOUR FORECAST COMPLEX LOW W OF AREA WITH MAIN CENTER 53N164E 
960 MB. WITHIN 300 NM E OF A LINE FROM 55N173E TO 55N168E TO 
51N177W TO 48N177W TO 47N180W WINDS 35 TO 50 KT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 53N171E 951 MB. 
WITHIN 120 NM SE QUADRANT WINDS 35 TO 50 KT. SEAS 4.5 TO 8.5 M. 
ELSEWHERE W OF A LINE FROM 62N175W TO 53N155W TO 49N153W TO 
43N161W TO 41N158W TO 36N167W WINDS 25 TO 40 KT. SEAS 3 TO 6 M. 

...GALE WARNING... 
.COMPLEX LOW WITH MAIN CENTER 56N152W 980 MB MOVING E 15 KT. 
WITHIN 540 NM SE...840 NM SW...AND 600 NM NW QUADRANTS WINDS 25 
TO 40 KT. SEAS 5 TO 9 M. ELSEWHERE N OF 35N W OF 150W WINDS TO 
25 KT. SEAS 3 TO 7 M. 
.24 HOUR FORECAST COMBINED LOW 56N152W 990 MB. FROM 36N TO 59N 
BETWEEN 139W AND 173W WINDS 25 TO 35 KT. SEAS 3 TO 7 M...HIGHEST 
NEAR 47N160W. 
.48 HOUR FORECAST LOW 57N147W 998 MB. WITHIN 480 NM SE 
SEMICIRCLE WINDS LESS THAN 25 KT. SEAS 2.5 TO 4 M. 

...GALE WARNING... 
.W OF A COLD FRONT EXTENDING FROM 30N174W TO 33N165W TO 37N158W 
WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M. 
.24 HOUR FORECAST CONDITIONS MOVED S OF AREA. 

.SYNOPSIS AND FORECAST. 

.48 HOUR FORECAST NEW LOW 43N138W 1002 MB. FROM 30N TO 45N 
BETWEEN 131W AND 163W WINDS 20 TO 30 KT. SEAS 3 TO 5.5 M. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM NE OF 
A LINE FROM 60N146W TO 58N142W...AND N OF 55N BETWEEN 165W AND 
180W. 
.24 HOUR FORECAST DENSE FOG WITHIN 60 NM NE OF A LINE FROM 
54N172W TO 51N167W AND W OF A LINE FROM 56N173E TO 55N179W TO 
46N175W. 
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM NE OF A LINE FROM 
59N177E TO 54N160W. 

.FORECASTER HYDE. 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 OCT 31.
24 HOUR FORECAST VALID 0600 UTC SUN NOV  1.
48 HOUR FORECAST VALID 0600 UTC MON NOV  2.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 16N94W TO 16N95W TO 15N96W TO 14N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N96W TO 13N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS
20 TO 30 KT. SEAS 2.5 M.

.LOW PRES NEAR 26N129W 1007 MB. WITHIN 28N129W TO 28N140W TO 
26N140W TO 25N136W TO 27N130W TO 28N129W NE WINDS 20 TO 25 KT. 
SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST LOW PRES NEAR 28N122W 1004 MB. WITHIN 28N117W 
TO 30N120W TO 30N124W TO 28N124W TO 25N119W TO 25N117W TO 28N117W
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. WITHIN 30N125W TO 21N136W 
TO 21N132W TO 24N125W TO 24N120W TO 30N125W WINDS 20 KT OR LESS. 
SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.48 HOUR FORECAST LOW PRES NE OF AREA. WITHIN 29N115W TO 30N116W
TO 30N120W TO 25N120W TO 25N118W TO 27N115W TO 
29N115W...INCLUDING SEBASTIAN VIZCAINO BAY...WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.

.WITHIN 09N120W TO 08N136W TO 00N135W TO 03S120W TO 03.4S87W TO
09N120W...EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 01N94W TO 02N96W TO 01N99W TO 03.4S103W
TO 03.4S95W TO 01N94W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
SW SWELL.
.39 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 2.5 M.

.03 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 11N88W TO 10N88W TO
10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.36 HOUR FORECAST WITHIN 31N113W TO 32N115W TO 31N115W TO
30N115W TO 30N113W TO 31N113W...INCLUDING THE GULF OF
CALIFORNIA...S TO SW WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.48 HOUR FORECAST WITHIN 30N137W TO 30N140W TO 28N140W TO
29N139W TO 30N137W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
SWELL.

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

CONVECTION VALID AT 0830 UTC SAT OCT 31...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N79W TO 05N97W. A TROUGH IS ANALYZED FROM 
03N78W TO 00N94W. ITCZ FROM 05N97W TO 08N120W. ANOTHER TROUGH IS
FROM 10N131W TO 01N131W. 1011 MB LOW IS NEAR 07N137W. SCATTERED 
MODERATE S OF 05N AND E OF 120W. SCATTERED MODERATE TO STRONG S 
OF 15N AND W OF 125W.

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.