HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC FRI OCT 30 2026
CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC OCT 30.
24 HOUR FORECAST VALID 1800 UTC OCT 31.
48 HOUR FORECAST VALID 1800 UTC NOV 01.
.WARNINGS.
...STORM WARNING...
.LOW 59N153W 987 MB MOVING N 10 KT. N OF 59N BETWEEN 142W AND
148W WINDS 40 TO 50 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE N OF 50N
BETWEEN 141W AND 148W WINDS 25 TO 40 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM 59N141W 998
MB. N OF 57N BETWEEN 135W AND 141W WINDS 35 TO 45 KT. SEAS 3 TO 5
M. ELSEWHERE FROM 46N TO 57N BETWEEN 133W AND 140W WINDS 25 TO 35
KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM 53N136W
1000 MB. FROM 46N TO 58N BETWEEN 129W AND 138W WINDS 25 TO 35 KT.
SEAS 2.5 TO 5 M.
...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 57N168W 973 MB MOVING SE 15 KT AND
SECOND CENTER 64N166W 978 MOVING NE 10 KT. FROM 46N TO 57N
BETWEEN 169W AND 180W WINDS 35 TO 45 KT. SEAS 5 TO 10 M.
ELSEWHERE W OF A LINE FROM 40N164W TO 52N154W TO 57N156W...AND W
OF A LINE FROM THE FIRST CENTER TO THE SECOND CENTER TO 67N165W
WINDS 25 TO 35 KT. SEAS 3 TO 7 M.
.24 HOUR FORECAST COMBINED LOW 56N155W 986 MB. FROM 38N TO 64N
BETWEEN 150W AND 180W WINDS 25 TO 40 KT. SEAS 3 TO 7.5
M...HIGHEST NEAR 49N161W.
.48 HOUR FORECAST LOW 56N149W 996 MB. FROM 35N TO 43N BETWEEN
150W AND 159W WINDS 25 TO 35 KT. SEAS 3 TO 6 M. ELSEWHERE FROM
30N TO 55N BETWEEN 148W AND 159W WINDS 20 TO 30 KT. SEAS 2.5 TO 5
M.
...GALE WARNING...
.W OF A COLD FRONT EXTENDING FROM 37N163W TO 31N180W WINDS 20 TO
30 KT. SEAS 2.5 TO 5 M.
.06 HOUR FORECAST W OF A COLD FRONT TO EXTEND FROM 35N165W TO
30N176W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST W OF A COLD FRONT TO EXTEND FROM 33N157W TO
30N162W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST CONDITIONS MOVED S OF AREA.
...GALE WARNING...
.30 HOUR FORECAST COMPLEX LOW W OF AREA WITH MAIN CENTER 52N164E
978 MB. W OF A LINE FROM 42N180W TO 48N177W TO 56N174E WINDS 25
TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST COMPLEX LOW W OF AREA WITH MAIN CENTER 54N166E
954 MB. W OF A LINE FROM 36N180W TO 44N165W TO 50N164W TO 57N169W
TO 61N179W WINDS 30 TO 45 KT. SEAS 4 TO 8 M...HIGHEST NEAR
45N177W AND 53N171E.
.SYNOPSIS AND FORECAST.
.48 HOUR FORECAST NEW LOW 42N140W 1000 MB. FROM 31N TO 44N
BETWEEN 135W AND 145W WINDS 20 TO 30 KT. SEAS TO 4 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 56N
BETWEEN 146W AND 151W...N OF 59N BETWEEN 144W AND 150W...FROM 54N
TO 58N BETWEEN 172W AND 175W...AND N OF 61N BETWEEN 163W AND
172W.
.24 HOUR FORECAST DENSE FOG FROM 56N TO 64N BETWEEN 161W AND
166W...AND FROM 51N TO 55N BETWEEN 175W AND 178E.
.48 HOUR FORECAST DENSE FOG FROM 47N TO 50N BETWEEN 171W AND
177W...AND FROM 54N TO 59N BETWEEN 169W AND 174E.
.FORECASTER HUFFMAN. 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 1800 UTC FRI OCT 30.
24 HOUR FORECAST VALID 1800 UTC SAT OCT 31.
48 HOUR FORECAST VALID 1800 UTC SUN NOV 1.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 15N94W TO 16N95W TO 15N96W TO 14N96W TO 14N95W TO
15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS
20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 15N94W TO 15N96W
TO 13N96W TO 13N95W TO 15N94W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN S TO SW SWELL.
.WITHIN 10N124W TO 09N134W TO 00N135W TO 00N120W TO 03S120W TO
03.4S89W TO 10N124W...EXCEPT LEE OF GALAPAGOS ISLANDS...S TO SW
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 04N100W TO 04N107W TO 00N118W TO
03.4S120W TO 03.4S85W TO 04N100W...EXCEPT LEE OF GALAPAGOS
ISLANDS...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW
SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M
.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.
.48 HOUR FORECAST WITHIN 11N86W TO 11N88W TO 10N87W TO 10N86W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M. ELSEWHERE WITHIN 11N88W TO 10N90W TO
09N90W TO 09N90W TO 09N88W TO 10N87W TO 11N88W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN SW SWELL.
.06 HOUR FORECAST LOW PRES NEAR 37N132.5W 1012 MB. WITHIN
29N132W TO 29N139W TO 27N139W TO 26N135W TO 28N130W TO 29N132W NE
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST LOW PRES NEAR 39N126W 1012 MB. WITHIN 29N124W
TO 29N131W TO 25N132W TO 25N128W TO 21N125W TO 24N120W TO 29N124W
SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN
27N134W TO 27N138W TO 26N140W TO 23N140W TO 22N136W TO 25N133W TO
27N134W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
.48 HOUR FORECAST LOW PRES NEAR 30N117W 1011 MB. WITHIN 30N118W
TO 30N122W TO 27N121W TO 27N118W TO 28N116W TO
30N118W...INCLUDING SEBASTIAN VIZCAINO BAY...W TO NW WINDS 20 TO
25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 30N123W TO 30N126W TO
25N131W TO 22N131W TO 22N124W TO 24N122W TO 30N123W 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 2000 UTC FRI OCT 30...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 10N86W TO 06N91.5W. ITCZ FROM
06N91.5W TO 07N118W. MONSOON TROUGH FROM 10N126.5W TO 07N140W.
SCATTERED TO NUMEROUS FROM 02N TO 10N BETWEEN 130W AND 140W.
SCATTERED FROM 00N TO 08N BETWEEN 88.5W AND 120W AND FROM 00N TO
10N BETWEEN 120W AND 130W.
.FORECASTER KRV. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 1800 UTC OCT 30 2026.
24 HOUR FORECAST VALID 1800 UTC OCT 31 2026.
48 HOUR FORECAST VALID 1800 UTC NOV 01 2026.
.WARNINGS.
...GALE WARNING...
TROUGH 20N162W TO 18N170W 10N180W MOVING NW SLOWLY. WINDS 20 TO
25 KT N OF 20N W OF 168W.
.24 HOUR FORECAST TROUGH 26N163W TO 22N170W TO 18N180W. WINDS 20
TO 35 KT N OF TROUGH.
.48 HOUR FORECAST TROUGH 20N168W TO 17N180W. WINDS 20 TO 30 KT N
OF TROUGH.
.SYNOPSIS AND FORECAST.
.LOW NEAR 05N154W 1010 MB NEARLY STATIONARY.
.24 HOUR FORECAST LOW 06N154W 1010 MB.
.48 HOUR FORECAST LOW DISSIPATED.
.24 HOUR FORECAST NEW FRONT 30N161W 27N170W. WINDS 20 TO 30 KT N
OF FRONT.
.48 HOUR FORECAST FRONT 30N147W 23N160W. WINDS 20 TO 30 KT N OF
FRONT.
.SEAS 2.5 TO 4 M N OF 20N W OF 165W.
.24 HOUR FORECAST SEAS 4 TO 6 M NW OF A LINE FROM 30N165W TO
24N170W TO 19N180W. SEAS 2.5 TO 4 M ELSEWHERE N OF A LINE FROM
23N164W TO 21N170W TO 17N180W.
.48 HOUR FORECAST SEAS 4 TO 6 M N OF A LINE FROM 30N152W TO
25N160W TO 21N170W TO 19N180W. SEAS 2.5 TO 4 M ELSEWHERE N OF A
LINE 30N144W 22N160W 14N180W.
.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LESS OVER REMAINDER OF
FORECAST AREA.
.MONSOON TROUGH FROM LOW MENTIONED ABOVE TO 06N150W TO 08N140W.
ISOLATED MODERATE TSTMS S OF 07N E OF 158W.
.SCATTERED MODERATE TSTMS FROM 17N TO 25N W OF 170W.
$$
.FORECASTER SHIGESATO. HONOLULU HI.=