OPC East and Central N Pacific High Seas Forecast
by Ocean Prediction Center web team
26 Sep 2026 at 11:26pm
FZPN02 KWBC 270525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC SUN SEP 27 2026

CCODE/2:31:12:11:00/AOW+POR+AOE/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SEP 27.
24 HOUR FORECAST VALID 0000 UTC SEP 28.
48 HOUR FORECAST VALID 0000 UTC SEP 29.

.WARNINGS.

...GALE WARNING...
.LOW 58N160W 980 MB MOVING E 05 KT. WITHIN 840 NM SE...660 NM
SW...AND 420 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
ELSEWHERE WITHIN 1140 NM SE AND 840 NM SW QUADRANTS WINDS TO 25
KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW 58N156W 986 MB.WITHIN 540 NM S SEMICIRCLE
AND 480 NM NW QUADRANNT WINDS 20 TO 30 KT. SEAS 3 TO 5.5 M.
ELSEWHERE FROM 42N TO 63N BETWEEN 135W AND 174W WINDS TO 25 KT.
SEAS 2.5 TO 4.5 M...HIGHEST SE OF CENTER.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 57N146W 990
MB. FROM 43N TO 64N BETWEEN 128W AND 170W WINDS 20 TO 30 KT.
SEAS 2.5 TO 4 M.

.SYNOPSIS AND FORECAST.

.FROM 31N TO 46N BETWEEN 120W AND 127W AREA OF N TO NW WINDS 20
TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST FROM 37N TO 44N BETWEEN 119W AND 128W AREA OF
N TO NW WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST S OF 43N BETWEEN 119W AND 128W AREA OF N TO NW
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.

.LOW 42N133W 1013 MB MOVING SE 20 KT. WITHIN 240 NM NE
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 36N130W 1018 MB. ASSOCIATED CONDITIONS
DIMINISHED.

.COMPLEX LOW WITH MAIN CENTER 48N161W 1010 MB MOVING NE 40 KT.
WITHIN 240 NM SE SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST CONDITIONS DESCRIBED BY LOW 58N156W IN GALE
WARNING ABOVE.

.48 HOUR FORECAST NEW LOW 39N157W 1012 MB. WITHIN 180 NM SE OF A
LINE FROM 40N163W TO 38N176W WINDS LESS THAN 25 KT. SEAS TO 3 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM SE OF
A LINE FROM 48N161W TO 43N174W.
.24 HOUR FORECAST DENSE FOG WITHIN 90 NM OF THE ALASKA COAST
BETWEEN 129W AND 136W...AND WITHIN 60 NM SE OF A LINE FROM
48N148W TO 41N165W.
.48 HOUR FORECAST DENSE FOG N OF 49N BETWEEN 126W AND 129W.

.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 0000 UTC SUN SEP 27.
24 HOUR FORECAST VALID 0000 UTC MON SEP 28.
48 HOUR FORECAST VALID 0000 UTC TUE SEP 29.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE POLO NEAR 19.3N 113.1W 949 MB AT 0300 UTC SEP 27
MOVING NW OR 315 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 105 KT
GUSTS 125 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NW AND SE
QUADRANTS...140 NM NE QUADRANT AND 90 NM SW QUADRANT. SEAS 4 M
OR GREATER WITHIN 180 NM W SEMICIRCLE...210 NM NE QUADRANT AND
240 NM SE QUADRANT WITH SEAS TO 12.5 M. ELSEWHERE WITHIN 20N109W
TO 21N111W TO 20N114W TO 18N115W TO 15N112W TO 16N110W TO
20N109W WINDS 20 TO 33 KT. SEAS 3 TO 5 M. REMAINDER OF
AREA WITHIN 20N106W TO 27N117W TO 10N117W TO 09N108W TO 13N105W
TO 20N106W...INCLUDING NEAR CABO CORRIENTES AND WITHIN 60 NM OF
SHORE...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE POLO NEAR 22.4N 114.2W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM W SEMICIRCLE...120 NM NE QUADRANT AND 100 NM SE
QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM OF CENTER WITH SEAS
TO 11.5 M. ELSEWHERE WITHIN 23N112W TO 24N115W TO 23N116W TO
20N116W TO 18N114W TO 20N111W TO 23N112W WINDS 20 TO 33 KT. SEAS
3.5 TO 4.0 M. REMAINDER OF AREA WITHIN 23N109W TO 28N118W TO
18N118W TO 12N116W TO 12N112W TO 14N108W TO 23N109W...INCLUDING
WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN
MIXED SWELL.
.48 HOUR FORECAST HURRICANE POLO NEAR 25.8N 112.5W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM E SEMICIRCLE AND 70 NM W SEMICIRCLE. SEAS 4 M OR
GREATER WITHIN 180 NM SW SEMICIRCLE AND 30 NM NE SEMICIRCLE OF
CENTER WITH SEAS TO 9.5 M. ELSEWHERE WITHIN 24N112W TO 28N115W TO
27N117W TO 22N116W TO 21.5N114W TO 23N113W TO
24N112W...INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF
SHORE...WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M. REMAINDER OF AREA
WITHIN 23N110W TO 30N116W TO 30N122W TO 21N120W TO 18N116W TO
20N111W TO 23N110W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN
MIXED SWELL.

...HURRICANE WARNING...
.HURRICANE ODALYS NEAR 21.1N 123.6W 979 MB AT 0300 UTC SEP 27
MOVING
N OR 360 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT.
TROPICAL STORM FORCE WINDS WITHIN 90 NM E SEMICIRCLE...80 NM SW
QUADRANT AND 100 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150
NM
NE AND SW QUADRANTS...AND 180 NM SE AND NW QUADRANTS WITH SEAS
TO 9
M. ELSEWHERE WITHIN 21N121W TO 23N122W TO 23N126W TO 20N127W TO
18N125W TO 19N122W TO 21N121W WINDS 20 TO 33 KT. SEAS 3 TO 5 M.
REMAINDER OF AREA WITHIN 28N120W TO 30N122W TO 30N131W TO
22N133W TO
17N132W TO 10N127W TO 08N117W TO 20N117W TO 28N120W WINDS 20 KT
OR
LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.12 HOUR FORECAST TROPICAL STORM ODALYS NEAR 21.9N 123.4W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.24 HOUR FORECAST TROPICAL STORM ODALYS NEAR 22.3N 123.1W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 20 NM OF CENTER EXCEPT 30 NM NW QUADRANT. SEAS 4 M
OR GREATER WITHIN 120 NM E SEMICIRCLE AND 150 NM W SEMICIRCLE
WITH SEAS TO 5.5 M. ELSEWHERE WITHIN 25N123W TO 24N127W TO
22N126W TO 20N125W TO 21N123W TO 22N122W TO 25N123W WINDS 20 TO
33 KT. SEAS 3 TO 4.5 M. REMAINDER OF AREA WITHIN 29N120W TO
30N140W TO 17N140W TO 20N133W TO 17N128W TO 19N118W TO 29N120W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.36 HOUR FORECAST POST-TROPICAL ODALYS NEAR 22.1N 122.7W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW ODALYS NEAR 21.2N
122.3W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. SEAS LESS THAN
4 M. ELSEWHERE WITHIN 24N124W TO 23N125W TO 21N125.5W TO 21N124W
TO 24N124W WINDS 20 TO 25 KT. SEAS 3.5 TO 4.0 M. REMAINDER OF
AREA WITHIN 29N121W TO 28N140W TO 18N140W TO 18N123W TO 20N120W
TO 21N118W TO 29N121W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN
MIXED SWELL.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

...GALE WARNING...
.LOW PRES...INVEST EP90...NEAR 12N99W 1008 MB. WITHIN 13N97W TO
13N98W TO 13N99W TO 12N99W TO 12N97W TO 13N97W WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW PRES...INVEST EP90...POSSIBLE TROPICAL
CYCLONE...NEAR 13N100W 1004 MB. WITHIN 15N101W TO 15N102W TO
15N103W TO 14N103W TO 14N101W TO 15N101W WINDS 30 TO 35 KT. SEAS
3 TO 5 M. ELSEWHERE...WITHIN 13N95W TO 15N96W TO 17N102W TO
13N104W TO 08N100W TO 09N96W TO 13N95W WINDS 20 TO 30 KT. SEAS
2.5 TO 3.5 M.
.48 HOUR FORECAST LOW PRES...INVEST EP90...POSSIBLE TROPICAL
CYCLONE...NEAR 15N103W 999 MB. WITHIN 14N101W TO 15N102W TO
15N103W TO 14N104W TO 13N103W TO 13N102W TO 14N101W WINDS 35 TO
45 KT. SEAS 3.5 TO 5.5 M. ELSEWHERE WITHIN 15N98W TO 18N102W TO
16N105W TO 13N104W TO 12N102W TO 13N99W TO 15N98W WINDS 25 TO 35
KT. SEAS 3 TO 5 M. REMAINDER OF AREA WITHIN 15N96W TO 18N104W TO
14N106W TO 10N103W TO 08N100W TO 10N97W TO 15N96W WINDS 20 TO 25
KT. SEAS 2.5 TO 3.5 M.

.SYNOPSIS AND FORECAST.

.12 HOUR FORECAST NEW LOW PRES NEAR 11N140W 1008 MB. WITHIN
10N137W TO 11N140W TO 07N140W TO 07N139W TO 09N137W TO 10N137W SW
TO W WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.24 HOUR FORECAST LOW PRES NEAR 12N139W 1005 MB. WITHIN 09N131W
TO 11N136W TO 11N140W TO 07N140W TO 07N135W TO 09N131W SW WINDS
20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW PRES NEAR 13N135W 1006 MB. WITHIN 13N133W
TO 13N140W TO 07N140W TO 07N136W TO 10N131W TO 13N133W SW TO W
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. ELSEWHERE WITHIN 12N124W TO
14N127W TO 16N140W TO 05N140W TO 05N136W TO 09N125W TO 12N124W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.

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

CONVECTION VALID AT 0315 UTC SUN SEP 27...

.HURRICANE POLO...NUMEROUS STRONG WITHIN 120 NM N SEMICIRCLE AND
90 NM S SEMICIRCLE.

.HURRICANE ODALYS...NUMEROUS MODERATE TO STRONG WITHIN 180 NM N
SEMICIRCLE AND 60 NM S SEMICIRCLE.

.LOW PRES...INVEST EP90...NEAR 12N99W...NUMEROUS MODERATE
ISOLATED STRONG FROM 09N TO 14N BETWEEN 96W AND 101W.

.SCATTERED MODERATE ISOLATED STRONG FROM 14N TO 16N BETWEEN
98W AND 100W.

.SCATTERED MODERATE TO STRONG WITHIN 60 NM OF LINE FROM 14N93W
TO 15N95W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N85W TO 09N90W TO LOW PRES...
INVEST EP90...TO 13.5N105W. IT RESUMES SW OF POLO AT 16N118W
TO 10N130W TO LOW PRES NEAR 12N140W 1006 MB. NUMEROUS MODERATE
TO STRONG FROM 08N TO 10N BETWEEN 83W AND 96W AND FROM 04N TO
11N BETWEEN 131W AND 140W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W

SYNOPSIS VALID 0000 UTC SEP 27 2026.
24 HOUR FORECAST VALID 0000 UTC SEP 28 2026.
48 HOUR FORECAST VALID 0000 UTC SEP 29 2026.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE NOLO NEAR 16.7N 156.5W 969 MB AT 0300 UTC SEP 27
MOVING W OR 265 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 80 KT GUSTS
100 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM N SEMICIRCLE
AND 100 NM S SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 240 NM N
SEMICIRCLE AND 150 NM S SEMICIRCLE WITH SEAS TO 10 M. WINDS 20
TO 30 KT ELSEWHERE FROM 14N TO 26N BETWEEN 149W AND 162W. SEAS 2.5
TO 3.5 M ELSEWHERE FROM 12N TO 27N BETWEEN 143W AND 165W.
SCATTERED
MODERATE TO STRONG TSTMS WITHIN 120 NM W SEMICIRCLE...AND WITHIN
90 NM E SEMICIRCLE.
.24 HOUR FORECAST HURRICANE NOLO NEAR 16.9N 159.6W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS
WITHIN 150 NM NE QUADRANT...80 NM SE QUADRANT...70 NM SW
QUADRANT...AND 100 NM NW QUADRANT. SEAS 4 M OR GREATER FROM 14N TO
23N BETWEEN 155W AND 164W WITH SEAS TO 10 M. WINDS 20 TO 30 KT
ELSEWHERE WITHIN 480 NM N OF CENTER BETWEEN 152W AND 168W...AND
WITHIN 180 NM S OF CENTER BETWEEN 157W AND 162W. SEAS 2.5 TO 3.5 M
ELSEWHERE FROM 11N TO 30N E OF 171W.
.48 HOUR FORECAST HURRICANE NOLO NEAR 19.2N 162.8W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM NW AND SE QUADRANTS...140 NM NE QUADRANT AND 70 NM
SW QUADRANT. SEAS 4 M OR GREATER FROM 15N TO 23N BETWEEN 159W AND
167W WITH SEAS TO 11 M. WINDS 20 TO 30 KT ELSEWHERE FROM 16N TO
25N
BETWEEN 155W AND 168W. SEAS 2.5 TO 3.5 M ELSEWHERE FROM 12N TO 29N
E OF 176W.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.LOW NEAR 11N140W 1006 MB MOVING E SLOWLY. WINDS 20 TO 25 KT
WITHIN 150 NM OF LOW. SCATTERED MODERATE TSTMS WITHIN 150 NM
OF LOW.
.24 HOUR FORECAST LOW JUST E OF AREA. WINDS 20 TO 25 KT AND SEAS
2.5
TO 3 M FROM 05N TO 10N E OF 143W.
.48 HOUR FORECAST LOW MOVED FURTHER E AND WINDS DIMINISHED TO 20
KT
AND SEAS LOWERED TO 2.5 OR LESS.

.TROUGH 28N176W TO 25N178W TO 20N180W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.WINDS 20 KT OR LESS AND SEAS BELOW 2.5 M OVER REMAINDER OF
FORECAST
AREA.

.MONSOON TROUGH 11N140W 12N145W 15N150W...AND 10N156W 09N161W
10N166W 07N180W. SCATTERED MODERATE TSTMS S OF TROUGH E OF
148W...AND WITHIN 60 NM N OF TROUGH E OF 150W. ISOLATED MODERATE
TSTMS ELSEWHERE S OF 10N.


$$


.FORECASTER TSAMOUS. HONOLULU HI.





See NWS for further details