748
FZPN01 KWBC 270334
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC THU NOV 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC NOV 27.
24 HOUR FORECAST VALID 0000 UTC NOV 28.
48 HOUR FORECAST VALID 0000 UTC NOV 29.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN CENTER 40N169E 974 MB MOVING E 20 KT. FROM
32N TO 44N BETWEEN 160E AND 174E WINDS 40 TO 55 KT. SEAS 4 TO 7.5
M. ELSEWHERE FROM 30N TO 47N BETWEEN 179W AND 160E WINDS 25 TO 40
KT. SEAS 2.5 TO 5 M.
.06 HOUR FORECAST LOW 41N170E 969 MB. WITHIN 420 NM SW
QUADRANT...AND FROM 41N TO 43N BETWEEN 164E AND 175E WINDS 50 TO
65 KT. SEAS 5 TO 10 M.
.24 HOUR FORECAST LOW 41N180W 962 MB. FROM 30N TO 47N BETWEEN
166W AND 169E WINDS 45 TO 60 KT. SEAS 6 TO 12 M. ELSEWHERE FROM
30N TO 50N BETWEEN 162W AND 164E WINDS 30 TO 45 KT. SEAS 4 TO 8
M.
.48 HOUR FORECAST LOW 43N173W 959 MB. WITHIN 660 NM S...AND 540
NM NW SEMICIRCLES WINDS 40 TO 50 KT. SEAS 6 TO 12 M. ELSEWHERE
FROM 30N TO 57N BETWEEN 152W AND 170E WINDS 25 TO 40 KT. SEAS 4
TO 10 M...HIGHEST S OF 43N.

...STORM WARNING...
.LOW 45N136W 999 MB MOVING NE 15 KT. WITHIN 180 NM OF LOW CENTER
WINDS 40 TO 50 KT. SEAS 3 TO 6 M. ELSEWHERE FROM 40N TO 49N
BETWEEN 124W AND 139W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW 46N125W 1010 MB. FROM 42N TO 48N BETWEEN
124W AND 128W WINDS 20 TO 30 KT. SEAS 3 TO 6 M. ELSEWHERE FROM
40N TO 50N BETWEEN 124W AND 136W WINDS LESS THAN 25 KT. SEAS TO 4
M.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

...STORM WARNING...
.LOW 36N164W 988 MB MOVING NE 35 KT. FROM 30N TO 36N BETWEEN 159W
AND 168W WINDS 40 TO 55 KT. SEAS 3.5 TO 6.5 M. ELSEWHERE FROM 30N
TO 40N BETWEEN 153W AND 171W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW 41N149W 992 MB. FROM 35N TO 40N BETWEEN
143W AND 152W WINDS 40 TO 50 KT. SEAS 4 TO 8 M. ELSEWHERE FROM
30N TO 50N BETWEEN 139W AND 155W WINDS 25 TO 40 KT. SEAS 3 TO 6
M.
.48 HOUR FORECAST LOW 40N140W 1011 MB. FROM 32N TO 40N BETWEEN
133W AND 145W WINDS 20 TO 30 KT. SEAS 2.5 TO 5.5 M.

...GALE WARNING...
.LOW 55N156W 995 MB MOVING NW 10 KT. WITHIN 480 NM NE
QUADRANT...AND WITHIN 300 NM E AND SE OF A FRONT EXTENDING FROM
55N152W TO 50N152W TO 40N159W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5
M.
.24 HOUR FORECAST LOW 58N159W 1002 MB. WITHIN 240 NM NE AND E OF
A FRONT TO EXTEND FROM 60N151W TO 56N146W TO 50N148W WINDS 25 TO
40 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

...GALE WARNING...
.48 HOUR FORECAST COMPLEX LOW W OF AREA 42N157E 998 MB. FROM 30N
TO 50N BETWEEN 160E AND 162E WINDS 25 TO 35 KT. SEAS TO 3.5 M.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 63N166W TO
64N171W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF
ALASKA.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF
ALASKA.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 57N TO 61N
BETWEEN 161W AND 169W...WITHIN 90 NM OF 57N177E...AND FROM 41N TO
44N BETWEEN 162E AND 171E.
.24 HOUR FORECAST DENSE FOG N OF 61N BETWEEN 166W AND 172W...AND
FROM 43N TO 47N BETWEEN 172W AND 176E.
.48 HOUR FORECAST DENSE FOG N OF 65N W OF ALASKA...AND WITHIN 240
NM N OF A LINE FROM 41N156W TO 47N163W TO 48N168W TO 45N178W.

.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 0000 UTC THU NOV 27.
24 HOUR FORECAST VALID 0000 UTC FRI NOV 28.
48 HOUR FORECAST VALID 0000 UTC SAT NOV 29.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO 13N95W TO 14N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO
30 KT. SEAS 2.5 M.
.09 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
15N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS
30 TO 35 KT. SEAS 2.5 TO 3.0 M. ELSEWHWERE WITHIN 16N93W TO
16N95W TO 16N96W TO 14N97W TO 13N96W TO 13N95W TO 16N93W N WINDS
20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
15N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N WINDS 30 TO 40 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE
WITHIN 16N94W TO 16N96W TO 12N98W TO 12N97W TO 13N95W TO
16N94W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.39 HOUR FORECAST WITHIN 15N93W TO 16N95W TO 13N98W TO 11N98W TO
12N95W TO 13N93W TO 15N93W...INCLUDING THE GULF OF
TEHUANTEPEC... N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST WITHIN 15N93W TO 16N95W TO 15N96W TO 14N96W TO
14N95W TO 15N93W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS
20 TO 30 KT. SEAS 2.5 TO 3.0 M. WITHIN 15N95W TO 13N97W TO
11N99W TO 10N99W TO 11N96W TO 15N95W WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN N TO NE SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 11N86W TO 12N87W TO 11N88W TO 10N88W TO 10N87W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 11N86W TO 12N87W TO 11N88W TO 10N88W TO
10N87W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...
NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 11N86W TO 12N87W TO 11N88W TO 10N88W 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.

.WITHIN 11N104W TO 15N118W TO 17N140W TO 07N140W TO 06N123W TO
07N106W TO 11N104W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
TO N SWELL.
.24 HOUR FORECAST WITHIN 14N137W TO 16N140W TO 07N140W TO
08N138W TO 10N136W TO 14N137W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NE TO E SWELL.
.48 HOUR FORECAST WITHIN 17N136W TO 18N140W TO 08N140W TO
09N137W TO 12N135W TO 17N136W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW TO N SWELL.

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

CONVECTION VALID AT 0200 UTC THU NOV 27...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 07N95W TO 09N119W TO 06N128W. ITCZ
FROM 06N128W TO 05N140W. SCATTERED MODERATE ISOLATED STRONG FROM
05N TO 14N BETWEEN 108W AND 128W.

.FORECASTER AL. NATIONAL HURRICANE CENTER.

$$