High Seas Forecast
Issued by NWS

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042
FZPN01 KWBC 291004
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC SAT NOV 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC NOV 29.
24 HOUR FORECAST VALID 0600 UTC NOV 30.
48 HOUR FORECAST VALID 0600 UTC DEC 01.

.WARNINGS.

...STORM WARNING...
.LOW 44N172W 961 MB MOVING NE 15 KT. WITHIN 540 NM W AND 780 NM S
QUADRANTS...AND WITHIN 300 NM NW AND N OF A LINE FROM 46N176W TO
49N174W TO 50N164W TO 47N155W WINDS 35 TO 50 KT. SEAS 6 TO 10.5
M...HIGHEST NEAR 35N169W. ELSEWHERE S OF 59N BETWEEN 151W AND
170E WINDS 25 TO 35 KT. SEAS 4 TO 8 M.
.24 HOUR FORECAST LOW 48N167W 969 MB. WITHIN 840 NM SE AND 540 NM
SW QUADRANTS...WITHIN 600 NM NW OF A LINE FROM 47N179E TO
59N163W...FROM 56N TO 60N BETWEEN 142W AND 167W...AND FROM 44N TO
55N BETWEEN 142W AND 151W WINDS 25 TO 40 KT. SEAS 4 TO 8 M.
ELSEWHERE S OF 66N BETWEEN 142W AND A LINE FROM 30N175W TO
53N166E WINDS TO 25 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 46N174W 974 MB. S
OF 48N BETWEEN 161W AND 173W...FROM 40N TO 47N BETWEEN 178W AND
172W...AND WITHIN 300 NM NW OF A LINE FROM 57N174W TO 64N166W
WINDS 35 TO 45 KT. SEAS 5 TO 8 M. ELSEWHERE S OF 49N BETWEEN 158W
AND 165W...FROM 49N TO 55N BETWEEN 144W AND 167W...AND WITHIN 600
NM NW OF A LINE FROM 48N179W TO 65N160W WINDS 25 TO 35 KT. SEAS 4
TO 6 M. ELSEWHERE S OF 56N BETWEEN 142W AND 169W...AND S OF 66N
BETWEEN 168W AND 162W WINDS TO 25 KT. SEAS 3 TO 5 M.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER WELL W OF AREA NEAR 50N147E 988 MB
NEARLY STATIONARY. W OF A LINE FROM 30N167E TO 41N169E TO 51N161E
WINDS 25 TO 40 KT. SEAS 3 TO 5 M.
.18 HOUR FORECAST COMPLEX LOW WITH NEW MAIN LOW 41N169E 986 MB.
FROM 39N TO 42N BETWEEN 171E AND 165E WINDS 35 TO 50 KT. SEAS 4
TO 6 M.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 40N173E 984 MB.
WITHIN 180 NM SW SEMICIRCLE WINDS 40 TO 50 KT. SEAS 4 TO 7 M.
ELSEWHERE SW OF A LINE FROM 30N175W TO 39N177W TO 48N160E WINDS
25 TO 40 KT. SEAS 4 TO 6 M.
.48 HOUR FORECAST CONDITIONS MERGED WITH LOW 46N174W DESCRIBED
ABOVE.

...STORM WARNING...
.30 HOUR FORECAST NEW LOW 56N152W 989 MB. FROM 58N TO 60N BETWEEN
146W AND 155W WINDS 35 TO 45 KT. SEAS LESS THAN 4 M.
.36 HOUR FORECAST LOW 58N153W 984 MB. N OF A LINE FROM 57N141W TO
58N144W TO 59N149W TO 57N155W WINDS 35 TO 50 KT. SEAS 3 TO 5 M.

.48 HOUR FORECAST LOW INLAND 61N151W 991 MB. NE AND N OF A LINE
FROM 53N134W TO 59N140W TO 60N149W WINDS 25 TO 40 KT. SEAS 3.5 TO
4.5 M.

...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY N OF 62N W OF ALASKA.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 61N W OF
ALASKA.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW OF A LINE
FROM 62N74W TO 65N166W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N OF 61N W OF ALASKA.

.SYNOPSIS AND FORECAST.

.LOW 39N136W 1011 MB MOVING SE 20 KT. FROM 34N TO 44N BETWEEN
132W AND 144W WINDS LESS THAN 25 KT. SEAS 4 TO 5.5 M.
.24 HOUR FORECAST LOW JUST S OF AREA NEAR  32N133W 1014 MB.
CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 47N TO 54N
BETWEEN 156W AND 180W.
.24 HOUR FORECAST DENSE FOG FROM 47N TO 57N BETWEEN 141W AND
160W...AND WITHIN 360 NM NW OF A LINE FROM 47N176W TO 58N161W.
.48 HOUR FORECAST DENSE FOG FROM 51N TO 59N BETWEEN 139W AND
143W...AND WITHIN 240 NM NW OF A LINE FROM 46N178E TO 60N164W.

.FORECASTER POCHE. 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 0600 UTC SAT NOV 29.
24 HOUR FORECAST VALID 0600 UTC SUN NOV 30.
48 HOUR FORECAST VALID 0600 UTC MON DEC  1.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 16N94W TO 16N95W TO 15N96W TO 13N96W TO 13N95W TO 14N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30
KT. SEAS 2.5 M TO 3.0 M.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.45 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W
TO 14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 10N86W TO 11N87W TO 11N88W TO 09N89W TO 09N85W TO
10N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.03 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 30N138W TO 30N137W TO 30N140W TO 28N140W TO 30N138W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN W TO NW SWELL.
.24 HOUR FORECAST WITHIN 30N127W TO 30N140W TO 27N138W TO
26N133W TO 28N128W TO 30N127W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW SWELL.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 14N138W TO 14N140W TO 11N140W TO 12N138W TO 14N138W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.
.15 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.33 HOUR FORECAST WITHIN 19N113W TO 20N116W TO 18N118W TO
17N118W TO 17N116W TO 18N114W TO 19N113W NE TO E WINDS 20 TO 25
KT. SEAS 2.5 TO 3.0 M IN NW SWELL.
.48 HOUR FORECAST WITHIN 19N112W TO 20N113W TO 20N116W TO
19N118W TO 17N118W TO 17N115W TO 19N112W E WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M IN NW SWELL.

.48 HOUR FORECAST WITHIN 29N138W TO 30N138W TO 30N140W TO
26N140W TO 27N139W TO 29N138W WINDS 20 KT OR LESS. SEAS 2.5 TO
4.5 M IN W TO NW SWELL.

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

CONVECTION VALID AT 0910 UTC SAT NOV 29...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 08N82W TO 05N94W TO 09N107W TO
08N131W. THE ITCZ STRETCHES FROM 08N131W TO BEYOND 07N140W.
SCATTERED MODERATE TO ISOLATED STRONG FROM 06N TO 16N BETWEEN
101W AND 114W. SCATTERED MODERATE FROM 05N TO 10N E OF 89W...AND
FROM 07N TO 18N W OF 120W.


.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.

$$