123
FZPN01 KWBC 281558
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC FRI NOV 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

PLEASE SEE PROPOSAL TO ALIGN NWS PACIFIC HIGH SEAS FORECASTS
WITH
METAREA XII: HTTPS://OCEAN.WEATHER.GOV/HIGHSEASPACIFICPROPOSAL/
(LOWERCASE).

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

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 1200 UTC NOV 28.
24 HOUR FORECAST VALID 1200 UTC NOV 29.
48 HOUR FORECAST VALID 1200 UTC NOV 30.

.WARNINGS.

...STORM WARNING...
.LOW 42N175W 960 MB MOVING NE 15 KT. WITHIN 540 NM S AND SW
SEMICIRCLES...AND WITHIN 240 NM N AND NE OF A FRONT EXTENDING
FROM 45N179W TO 46N170W TO 40N164W WINDS 40 TO 55 KT. SEAS 7
TO 12 M. ELSEWHERE FROM 30N TO 52N BETWEEN 157W AND 168E
WINDS 25 TO 40 KT. SEAS 3 TO 10 M...HIGHEST WITHIN 540 NM SW
QUADRANT.
.24 HOUR FORECAST LOW 45N171W 964 MB. WITHIN 480 NM S AND SW
QUADRANTS WINDS 35 TO 50 KT. SEAS 7 TO 11 M. ELSEWHERE WITHIN
900 NM N SEMICIRCLE...AND N OF 30N...WITHIN 1140 NM SE AND
840 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 10.5 M...
HIGHEST NEAR 37N170W.
.48 HOUR FORECAST LOW 50N166W 970 MB. WITHIN 240 NM NE...720
NM E AND SE...660 NM SW...AND 1020 NM NW QUADRANTS WINDS 30
TO 45 KT. SEAS 3 TO 8 M...HIGHEST NEAR 44N164W.

...STORM WARNING...
.12 HOUR FORECAST LOW W OF AREA NEAR 43N157E 994 MB. WITHIN
360 NM NE...AND 660 NM S AND SE QUADRANTS WINDS 25 TO 40 KT.
SEAS 3 TO 5 M.
.18 HOUR FORECAST LOW W OF AREA NEAR 45N158E 989 MB. WITHIN
180 NM NE QUADRANT WINDS 35 TO 50 KT. SEAS 4 TO 6.5 M.
.24 HOUR FORECAST LOW W OF AREA NEAR 48N157E 990 MB. WITHIN
300 NM E SEMICIRCLE WINDS 25 TO 40 KT. SEAS 3 TO 6.5 M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS W OF AREA.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW NEAR 43N163E 989 MB. WITHIN 90 NM
NE AND 60 NM SW SEMICIRCLES WINDS 35 TO 50 KT. SEAS 4 TO 6
M. ELSEWHERE WITHIN 240 NM N SEMICIRCLE...AND W OF A LINE
FROM 43N167E TO 30N169E WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 40N173E 982
MB. FROM 37N TO 40N BETWEEN 178W AND 165E WINDS 35 TO 50
KT. SEAS 5 TO 8 M. ELSEWHERE FROM 30N TO 42N W OF 175W
WINDS 25 TO 35 KT. SEAS 3 TO 6 M.

...GALE WARNING...
.LOW 42N143W 998 MB MOVING SE 25 KT. WITHIN 420 NM NE...
480 NM SE...360 NM SW...AND 300 NM W AND NW QUADRANTS
WINDS 25 TO 40 KT. SEAS 3 TO 8.5 M...HIGHEST SW QUADRANT.
.24 HOUR FORECAST LOW 37N134W 1012 MB. WITHIN 420 NM W
AND SW QUADRANTS WINDS TO 25 KT. SEAS 3 TO 5 M.
.48 HOUR FORECAST LOW 31N133W 1014 MB. FROM 30N TO 36N
BETWEEN 125W AND 136W WINDS LESS THAN 25 KT. SEAS TO 3 M.

...GALE WARNING...
.LOW 57N151W 1010 MB NEARLY STATIONARY. WITHIN 120 NM NE
AND E OF A FRONT EXTENDING FROM 59N147W TO 57N139W WINDS
25 TO 40 KT. SEAS 3 TO 5 M.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW TO FORM NEAR 55N152W 990 MB.
WITHIN 540 NM NE...660 NM S AND SE...AND 300 NM NW
QUADRANTS WINDS 30 TO 45 KT. SEAS 4 TO 6 M. ELSEWHERE
FROM 43N TO 61N BETWEEN 136W AND 158W WINDS 20 TO 30
KT. SEAS 3 TO 5 M.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF ALASKA.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 59N W
OF 161W.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N
OF 63N W OF ALASKA. ELSEWHERE LIGHT TO MODERATE
FREEZING SPRAY N OF 60N W OF 159W.

.SYNOPSIS AND FORECAST.

.LOW 34N120W 1014 MB MOVING SE 10 KT. FROM 34 TO 41N
BETWEEN 120W AND 127W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 58N
BETWEEN 136W AND 159W...N OF 62N W OF ALASKA...AND
FROM 43N TO 50N BETWEEN 163W AND 177E.
.24 HOUR FORECAST DENSE FOG FROM 40N TO 57N BETWEEN
150W AND 179E.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 61N BETWEEN
140W AND 159W...AND FROM 46N TO 60N BETWEEN 161W AND
175E.

.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 1200 UTC FRI NOV 28.
24 HOUR FORECAST VALID 1200 UTC SAT NOV 29.
48 HOUR FORECAST VALID 1200 UTC SUN NOV 30.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 15N96W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO 35
KT. SEAS 3 TO 4 M. ELSEWHERE WITHIN 16N94W TO 16N96W TO 12N98W
TO 11N97W TO 13N94W TO 16N94W N TO NE WINDS 20 TO 30 KT. SEAS
2.5 TO 3.5 M. REMAINDER OF AREA WITHIN 16N94W TO 16N96W TO
13N99W TO 11N99W TO 11N96W TO 12N93W TO 16N94W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3 M IN N SWELL.
.18 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N97W TO 12N97W TO
12N95W TO 14N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.SYNOPSIS AND FORECAST.

.WITHIN 11N86W TO 11N88W TO 10N90W TO 09N90W TO 08N88W TO 08N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25
KT. SEAS 2.5 TO 3 M.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 15N136W TO 18N140W TO 07N140W TO 09N134W TO 15N136W
WINDS 20 KT OR LESS. SEAS TO 2.5 M IN E SWELL.
.24 HOUR FORECAST WITHIN 15N136W TO 16N140W TO 07N140W TO
09N137W TO 11N136W TO 15N136W WINDS 20 KT OR LESS. SEAS TO 2.5 M
IN NW SWELL.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.12 HOUR FORECAST WITHIN 30N138W TO 30N140W TO 28N140W TO
30N138W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN W TO NW SWELL.
.24 HOUR FORECAST WITHIN 30N133W TO 30N140W TO 21N140W TO
30N133W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW SWELL.
.48 HOUR FORECAST WITHIN 30N123W TO 30N140W TO 26N138W TO
24N132W TO 27N126W TO 30N123W WINDS 20 KT OR LESS. SEAS 2.5 TO 3
M IN NW SWELL.

.36 HOUR FORECAST WITHIN 17N116W TO 18N118W TO 17N121W TO
15N121W TO 15N119W TO 16N117W TO 17N116W WINDS 20 KT OR LESS.
SEAS TO 2.5 M IN NW SWELL.
.48 HOUR FORECAST WITHIN 19N113W TO 20N115W TO 19N119W TO
16N120W TO 17N114W TO 19N113W NE TO E WINDS 20 TO 25 KT. SEAS 2.5
TO 3 M IN NW SWELL.

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

CONVECTION VALID AT 1500 UTC FRI NOV 28...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 10N122W. ITCZ FROM 08N122W TO
BEYOND 07N140W. SCATTERED MODERATE ISOLATED STRONG FROM 03N TO
08N AND E OF 95W...FROM 08N TO 17N BETWEEN 102W AND 120W...05N
TO 10N AND W OF 130W.

$$
.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.