582
FZPN01 KWBC 272150
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC NOV 27.
24 HOUR FORECAST VALID 1800 UTC NOV 28.
48 HOUR FORECAST VALID 1800 UTC NOV 29.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 39N176E 964 MB MOVING NE 20 KT. WITHIN 240 NM SW AND W
SEMICIRCLES WINDS 55 TO 65 KT. SEAS 8 TO 11 M. ALSO FROM 33N TO
45N BETWEEN 166E AND 170W WINDS 40 TO 55 KT. SEAS 5 TO 9 M.
ELSEWHERE W OF A LINE FROM 49N177W TO 43N166W TO 30N166W WINDS 25
TO 40 KT. SEAS 2.5 TO 6.5 M...HIGHEST SW OF CENTER.
.24 HOUR FORECAST LOW 42N174W 960 MB. WITHIN 660 NM NE...480 NM
SE...720 NM SW...AND 420 NM NW QUADRANTS WINDS 40 TO 55 KT. SEAS
6 TO 12 M. ALSO FROM 30N TO 55N BETWEEN 154W AND 170E WINDS 25 TO
40 KT. SEAS 3 TO 9 M...HIGHEST S OF CENTER. ELSEWHERE S OF 52N W
OF 155W WINDS LESS THAN 25 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW 45N170W 968 MB. WITHIN 720 NM S AND 540 NM
W QUADRANTS...AND BETWEEN 360 NM AND 660 NM N QUADRANT WINDS 40
TO 50 KT. SEAS 4 TO 9.5 M. ALSO WITHIN AN AREA BOUNDED BY A LINE
FROM 30N178W TO 54N167E TO 61N165W TO 52N144W TO 30N152W TO
30N178W WINDS 25 TO 40 KT. SEAS 3 TO 9 M...HIGHEST S OF LOW
CENTER. ELSEWHERE FROM 30N TO 55N BETWEEN 171E AND 149W WINDS
LESS THAN 25 KT. SEAS 2.5 TO 4.5 M.

...STORM WARNING...
.LOW 40N151W 985 MB MOVING E 20 KT. WITHIN 300 NM S
SEMICIRCLE...AND WITHIN 180 NM NW QUADRANT WINDS 40 TO 55 KT.
SEAS 6 TO 9 M. ALSO FROM 30N TO 44N BETWEEN 141W AND 156W WINDS
25 TO 40 KT. SEAS 3 TO 6 M. ELSEWHERE FROM 30N TO 45N BETWEEN
142W AND 165W WINDS LESS THAN 25 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW 41N140W 1006 MB. WITHIN 360 NM S SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 4 TO 6 M. ELSEWHERE FROM 30N TO 50N
BETWEEN 135W AND 153W WINDS TO 25 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW 36N133W 1015 MB. WITHIN 480 NM OF CENTER
WINDS LESS THAN 25 KT. SEAS 2.5 TO 4 M.

...GALE WARNING...
.LOW 47N128W 1001 MB MOVING E 15 KT. FROM 40N TO 51N BETWEEN 124W
AND 135W WINDS 25 TO 40 KT. SEAS 3 TO 6.5 M. ELSEWHERE FROM 38N
TO 50N E OF 140W WINDS LESS THAN 25 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW DISSIPATED. FROM 40N TO 46N E OF 130W WINDS
LESS THAN 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 58N150W 1000 MB MOVING NW 25 KT. WITHIN 360 NM NE OF A LINE
FROM 59N155W TO LOW CENTER TO 48N147W WINDS 25 TO 35 KT. SEAS 2.5
TO 5.5 M.
.24 HOUR FORECAST LOW N OF AREA. ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 59N147W 1012 MB. WITHIN 300 NM E OF A
LINE FROM 61N150W TO 50N144W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.48 HOUR FORECAST W OF A LINE FROM 52N164E TO 42N171E TO 30N171E
WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 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 ALASKA.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF
ALASKA.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 61N W OF
ALASKA.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 59N BETWEEN
165W AND 171W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 50N BETWEEN 178E AND
163W.
.48 HOUR FORECAST DENSE FOG FROM 45N TO 56N BETWEEN 180W AND
147W.

.FORECASTER BYRD. 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 THU NOV 27.
24 HOUR FORECAST VALID 1800 UTC FRI NOV 28.
48 HOUR FORECAST VALID 1800 UTC SAT NOV 29.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N94.5W TO 16N95W TO 15.5N95.5W TO 15.5N95W TO 15N94.5W
TO 15.5N94.5W TO 16N94.5W...INCLUDING THE GULF OF TEHUANTEPEC...N
WINDS 30 TO 35 KT. SEAS 3 TO 3.5 M. ELSEWHERE WITHIN 15N94W TO
16N94W TO 16N96W TO 13N96W TO 13N95W TO 15N94W N TO NE WINDS 20
TO 30 KT. SEAS 2.5 TO 3 M. REMAINDER OF AREA WITHIN 15N94W TO
16N95W TO 12N98W TO 12N96W TO 13N95W TO 15N94W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3 M IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 16N94.5W TO 16.5N95W TO 16N95.5W TO
15N95.5W TO 15N95W TO 15.5N94.5W TO 16N94.5W...INCLUDING THE GULF
OF TEHUANTEPEC...N WINDS 30 TO 35 KT. SEAS 3 TO 4 M. ELSEWHERE
WITHIN 16N94W TO 16N96W TO 15N96W TO 13N97W TO 13N95W TO 14N94W
TO 16N94W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. REMAINDER
OF AREA WITHIN 14N93W TO 16N94W TO 12N100W TO 11N100W TO 10N95W
TO 14N93W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N TO NE SWELL.
.36 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 13N96W TO
13N95W TO 14N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE
WITHIN 16N94W TO 16N96W TO 13N97W TO 13N96W TO 13N95W TO 14N94W
TO 16N94W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 16N95W TO 14N96W TO 13N96W TO 14N95W TO
16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
25 KT. SEAS TO 2.5 M.

.SYNOPSIS AND FORECAST.

.WITHIN 11N86W TO 12N87W TO 10N89W TO 09N88W TO 09N87W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25
KT. SEAS TO 2.5 M.
.24 HOUR FORECAST WITHIN 11N86W TO 12N86W TO 10N89W TO 09N91W TO
08N91W TO 08N88W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...
NE WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 12N109W TO 14N115W TO 13N127W TO 16N140W TO 07N140W TO
05N106W TO 12N109W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED
SWELL.
.24 HOUR FORECAST WITHIN 14N135W TO 17N137W TO 23N138W TO
24N140W TO 07N140W TO 08N136W TO 14N135W WINDS 20 KT OR LESS.
SEAS TO 2.5 M IN MIXED SWELL.
.48 HOUR FORECAST WITHIN 14N137W TO 15N140W TO 07N140W TO
08N138W TO 11N136W TO 14N137W WINDS 20 KT OR LESS. SEAS TO 2.5 M
IN NW SWELL.

.30 HOUR FORECAST WITHIN 30N139W TO 30N140W TO 29N140W TO
30N139W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN W TO NW SWELL.
.48 HOUR FORECAST WITHIN 30N131W TO 30N140W TO 22N140W TO
26N134W TO 30N131W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW
SWELL.

.48 HOUR FORECAST WITHIN 17N117W TO 17N119W TO 16N121W TO
15N120W TO 15N118W TO 15N117W TO 17N117W WINDS 20 KT OR LESS.
SEAS TO 2.5 M IN MIXED SWELL.

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

CONVECTION VALID AT 2100 UTC THU NOV 27...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 09N120W. ITCZ FROM 09N120W TO
BEYOND 07N140W. SCATTERED MODERATE ISOLATED STRONG FROM 03N TO
08N AND E OF 87W...FROM 07N TO 17N BETWEEN 108W AND 125W.


.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.

$$