849
FZPN01 KWBC 280948
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC WED OCT 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 28.
24 HOUR FORECAST VALID 0600 UTC OCT 29.
48 HOUR FORECAST VALID 0600 UTC OCT 30.

.WARNINGS.

...STORM WARNING...
.12 HOUR FORECAST LOW W OF AREA 51N163E 952 MB. W OF A LINE
FROM 55N173E TO 53N180W TO 45N176W WINDS 25 TO 40 KT. SEAS 3
TO 6 M.
.24 HOUR FORECAST LOW W OF AREA 52N168E 956 MB. FROM 48N TO
59N W OF 169W WINDS 3O TO 45 KT. SEAS 4 TO 7 M. ELSEWHERE
FROM 40N TO 60N W OF 166W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
.30 HOUR FORECAST LOW 53N174E 962 MB. FROM 50N TO 54N W OF
175W WINDS 35 TO 50 KT. SEAS 7 TO 11 M.
.48 HOUR FORECAST LOW 57N174W 962 MB. FROM 45N TO 54N W OF
170W WINDS 40 TO 55 KT. SEAS 8 TO 13 M. ELSEWHERE FROM 42N
TO 60N W OF 163W WINDS 25 TO 40 KT. SEAS 6 TO 10 M. ALSO N
OF 62N W OF ALASKA...AND W OF A LINE FROM 62N166W TO 58N160W
TO 40N166W TO 34N179W WINDS 20 TO 30 KT. SEAS 3 TO 6 M.

...GALE WARNING...
.LOW 58N169W 1006 MB MOVING N 30 KT. FROM 54N TO 61N BETWEEN
161W AND 169W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE
N OF 50N BETWEEN 158W AND 172W WINDS TO 25 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW MOVED N OF AREA. N OF 63N W OF ALASKA
WINDS TO 25 KT. SEAS TO 2.5 M.
.30 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED N OF
AREA.

...GALE WARNING...
.LOW 48N167W 1014 MB MOVING NE 30 KT. FROM 42N TO 49N
BETWEEN 162W AND 175W WINDS TO 25 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 56N156W 1012 MB. N OF 58N BETWEEN 151W
AND 154W WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE FROM
53N TO 60N BETWEEN 149W AND 155W WINDS TO 25 KT. SEAS TO
3.5 M.
.48 HOUR FORECAST LOW DISSIPATED OVER ALASKA. EXCEPT WHERE
DESCRIBED IN STORM WARNING ABOVE...N OF 50N BETWEEN 145W
AND 160W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.

.SYNOPSIS AND FORECAST.

.LOW 51N127W 1010 MB MOVING S 10 KT. FROM 44N TO 59N
BETWEEN 125W AND 141W WINDS 20 TO 30 KT. SEAS 2.5 TO
4.5 M.
.24 HOUR FORECAST LOW 49N129W 1012 MB. FROM 45N TO 52N
BETWEEN 125W AND 138W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 46N128W 1010 MB. FROM 43N TO 49N
BETWEEN 125W AND 135W WINDS TO 25 KT. SEAS TO 3 M.

.COMPLEX LOW WITH MEAN CENTER 31N144W 1011 MB MOVING S
10 KT. FROM 30N TO 41N BETWEEN 133W AND 156W WINDS 20
TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW S OF AREA. FROM 30N TO 37N
BETWEEN 135W AND 166W WINDS TO 25 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW S OF AREA. FROM 30N TO 34N
BETWEEN 133W AND 179W WINDS TO 25 KT. SEAS TO 3 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N
TO 56N BETWEEN 155W AND 168W.
.24 HOUR FORECAST DENSE FOG N OF 47N BETWEEN 148W AND
157W...AND FROM 44N TO 54N W OF 169W.
.48 HOUR FORECAST DENSE FOG N OF 62N W OF ALASKA...FROM
50N TO 62N W OF 174W...AND N OF 42N 146W AND 162W.

.FORECASTER MILLS. 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 WED OCT 28.
24 HOUR FORECAST VALID 0600 UTC THU OCT 29.
48 HOUR FORECAST VALID 0600 UTC FRI OCT 30.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM VANCE NEAR 18.6N 108.6W 1003 MB AT 0900 UTC OCT
28 MOVING N OR 360 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W SEMICIRCLE
...70 NM NE QUADRANT AND 60 NM SE QUADRANT. SEAS 4 M OR GREATER
WITHIN 60 NM N SEMICIRCLE...45 NM SE QUADRANT AND 15 NM SW
QUADRANT WITH SEAS TO 4 M. ELSEWHERE WITHIN 19N106W TO 20N107W
TO 20N109W TO 17N110W TO 16N108W TO 17N106W TO 19N106W...
INCLUDING NEAR CABO CORRIENTES...WINDS 20 TO 33 KT. SEAS 2.5 TO
4.0 M. REMAINDER OF AREA WITHIN 20N106W TO 21N108W TO 19N111W TO
17N111W TO 16N107W TO 17N106W TO 20N106W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM VANCE NEAR 21.6N 108.3W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 0 NM W SEMICIRCLE...50 NM NE QUADRANT AND 40 NM SE
QUADRANT. SEAS 4 M OR GREATER WITHIN 60 NM NE SEMICIRCLE...AND 0
NM SW SEMICIRCLE WITH SEAS TO 4 M. ELSEWHERE WITHIN 23N107W TO
23N108W TO 21N109W TO 20N108W TO 20N107W TO 21N106W TO 23N107W
...INCLUDING NEAR CABO CORRIENTES...WINDS 20 TO 33 KT. SEAS 2.5
TO 4.0 M. REMAINDER OF AREA WITHIN 22N106W TO 23N107W TO 22N110W
TO 21N110W TO 19N108W TO 20N106W TO 22N106W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW VANCE NEAR 23.1N
108.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.48 HOUR FORECAST POST-TROPICAL VANCE INLAND NEAR 25.2N 107.1W.
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. OVER FORECAST WATERS
CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

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.

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

.SLOW MOVING COLD FRONT FROM 30N138W TO 25.5N140W. WITHIN
30N136W TO 30N139W TO 28N137W TO 29N136W TO 30N136W SE TO S WINDS
20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST LITTLE CHANGE...EXCEPT FRONT STATIONARY.
.48 HOUR FORECAST LOW PRES FORMING NEAR 29N137W 1012 MB WITH COLD
FRONT FROM LOW TO 20N140W AND WARM FRONT FROM LOW TO 25N134W.
WITHIN 30N137W TO 30N140W TO 29N140W TO 29N139W TO 30N137W NE
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.

.WITHIN 00N105W TO 03N112W TO 01N113W TO 01N117W TO 03.4S120W TO
03S106W TO 00N105W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
MIXED NE AND S TO SW SWELL.
.24 HOUR FORECAST WITHIN 02N116W TO 01N128W TO 00N128W TO
01S120W TO 03.4S120W TO 03S109W TO 02N116W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN MIXED NE AND S TO SW SWELL.
.48 HOUR FORECAST WITHIN 00N104W TO 01N113W TO 06N115W TO
00N128W TO 03.4S120W TO 03.4S101W TO 00N104W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.

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

CONVECTION VALID AT 0600 UTC WED OCT 28...

.TROPICAL STORM VANCE...NUMEROUS MODERATE TO STRONG WITHIN 240
NM NE SEMICIRCLE...AND 0 NM ELSEWHERE.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 12N74W TO 05N86W TO 08N98W WELL SE OF
TROPICAL STORM VANCE...THEN RESUMES WELL SW OF VANCE FROM
07N114W TO 06N126W TO 1011 MB LOW PRES NEAR 08N136.5W TO
06N140W. SCATTERED MODERATE ISOLATED STRONG FROM 12N TO 17N
BETWEEN 124W AND 129W...AND FROM 00N TO 10N BETWEEN 133W AND
140W. ISOLATED TO WIDELY SCATTERED MODERATE WITHIN 02N117W TO
13N105W TO 17N106W TO 17N103W TO 11N103W TO 02N117W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.