High Seas Forecast
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
059
FZPN02 KWBC 150525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC SAT NOV 15 2025

CCODE/2:31:12:01:00/AOW+POR/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 15.
24 HOUR FORECAST VALID 0000 UTC NOV 16.
48 HOUR FORECAST VALID 0000 UTC NOV 17.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 36N170E 992 MB MOVING NE 45 KT. WITHIN 240 NM SE...AND 180
NM SW QUADRANTS WINDS 40 TO 55 KT. SEAS 5 TO 7 M. ELSEWHERE FROM
30N TO 40N W OF 180W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW 47N172W 970 MB. WITHIN 120 NM S SEMICIRCLE
WINDS 55 TO 65 KT. SEAS 6 TO 8 M. ALSO WITHIN 240 NM SE AND S
SEMICIRCLES WINDS 40 TO 55 KT. SEAS 4 TO 7 M. ELSEWHERE FROM 30N
TO 50N BETWEEN 180W AND 160W WINDS 25 TO 40 KT. SEAS 2.5 TO 5
M...EXCEPT WHERE DESCRIBED BELOW.
.48 HOUR FORECAST LOW 56N166W 958 MB. WITHIN 120 NM OF CENTER
WINDS 25 TO 35 KT. SEAS 4 TO 7 M. ELSEWHERE FROM 34N TO 60N
BETWEEN 147W AND 170W WINDS 25 TO 35 KT. SEAS 2.5 TO 6
M...HIGHEST S OF LOW CENTER.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 51N167E 978 MB MOVING NE 15
KT...AND SECOND CENTER 50N163E 982 MB MOVING NE 20 KT. WITHIN 240
NM S SEMICIRCLE OF SECOND CENTER WINDS 40 TO 50 KT. SEAS 5 TO 8
M. ELSEWHERE FROM 40N TO 56N W OF 175W WINDS 25 TO 40 KT. SEAS 3
TO 6 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 54N175E 971 MB AND
SECOND CENTER 57N179W 972 MB. WITHIN 180 NM N SEMICIRCLE OF
SECOND CENTER WINDS 40 TO 50 KT. SEAS 4 TO 7 M. ELSEWHERE W OF A
LINE FROM 47N162W TO 63N172W...AND FROM 30N TO 53N W OF 175W
WINDS 25 TO 40 KT. SEAS 2.5 TO 6 M.
.48 HOUR FORECAST COMBINED LOW 54N175E 966 MB. N OF 33N W OF 170W
WINDS 25 TO 40 KT. SEAS 3 TO 7 M.

...STORM WARNING...
.LOW 56N152W 980 MB MOVING E 15 KT. WITHIN 180 NM S SEMICIRCLE
WINDS 35 TO 45 KT. SEAS 6 TO 8 M. ALSO FROM 47N TO 60N BETWEEN
136W AND 160W WINDS 25 TO 35 KT. SEAS 4 TO 7 M. ELSEWHERE FROM
40N TO 50N BETWEEN 130W AND 160W WINDS LESS THAN 25 KT. SEAS 2.5
TO 5 M...EXCEPT WHERE DESCRIBED BELOW.
.06 HOUR FORECAST LOW 56N150W 980 MB. WITHIN 180 NM S SEMICIRCLE
WINDS 40 TO 50 KT. SEAS 6 TO 8.5 M.
.24 HOUR FORECAST LOW 56N142W 991 MB. FROM 50N TO 59N BETWEEN
135W AND 155W WINDS 25 TO 35 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
53N128W DESCRIBED BELOW.

...GALE WARNING...
.LOW 55N167W 992 MB MOVING E 25 KT. WITHIN 420 NM S SEMICIRCLE
WINDS 25 TO 40 KT. SEAS 4 TO 7 M. ELSEWHERE FROM 44N TO 60N
BETWEEN 160W AND 175W WINDS LESS THAN 25 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.LOW 41N156W 1018 MB MOVING NE 40 KT. FROM 35N TO 42N BETWEEN
165W AND 151W WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 46N135W 1004 MB. WITHIN 120 NM E...AND 420
NM W OF A LINE FROM LOW CENTER TO 35N145W WINDS 20 TO 30 KT. SEAS
2.5 TO 4 M.
.48 HOUR FORECAST LOW 53N128W 996 MB. FROM 32N TO 53N BETWEEN
140W AND 125W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.

...GALE WARNING...
.LOW 54N136W 995 MB MOVING NE 25 KT. NE OF A LINE FROM LOW CENTER
TO 48N127W WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF ALASKA. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM 58N161W TO
62N174W.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF
ALASKA.
ELSEWHERE LIGHT FREEZING SPRAY N OF 61N W OF ALASKA.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 54N TO 58N
BETWEEN 142W AND 166W...AND FROM 51N TO 55N W OF 180W.
.24 HOUR FORECAST DENSE FOG FROM 55N TO 61N W OF 165W.
.48 HOUR FORECAST DENSE FOG FROM 54N TO 62N W OF 156W.

.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 0000 UTC SAT NOV 15.
24 HOUR FORECAST VALID 0000 UTC SUN NOV 16.
48 HOUR FORECAST VALID 0000 UTC MON NOV 17.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N119W TO 14N140W. WITHIN 30N117W TO 30N140W
TO 13N140W TO 19N128W TO 30N117W N WINDS 20 TO 25 KT. SEAS 2.5 TO
4.5 M IN NW SWELL.
.24 HOUR FORECAST COLD FRONT DISSIPATED. WITHIN 25N113W TO
30N116W TO 30N139W TO 10N140W TO 11N130W TO 25N113W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.5 M IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 19N108W TO 23N115W TO 18N140W TO
10N140W TO 08N119W TO 19N108W WINDS 20 KT OR LESS. SEAS 2.5 TO 3
M IN NW TO N SWELL.

.WITHIN 15N94W TO 16N94W TO 16N95W TO 15N96W TO 14N96W TO 14N95W
TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 30 KT. SEAS TO 2.5 M.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 10N91W TO 10N96W TO 07N97W TO 04N100W TO 03N97W TO
07N91W TO 10N91W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN SW TO W
SWELL.
.24 HOUR FORECAST WITHIN 10N95W TO 07N101W TO 04N101W TO 04N97W
TO 06N94W TO 10N95W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN SE TO
S SWELL.
.48 HOUR FORECAST WITHIN 12N95W TO 13N98W TO 12N100W TO 10N100W
TO 08N96W TO 10N95W TO 12N95W SE TO S WINDS 20 TO 25 KT. SEAS 2.5
TO 3 M IN S SWELL.

.18 HOUR FORECAST WITHIN 31N113W TO 32N115W TO 31N115W TO
30N115W TO 31N113W...INCLUDING THE GULF OF CALIFORNIA...S TO SW
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

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

CONVECTION VALID AT 0300 UTC SAT NOV 15...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 06N102W. ITCZ FROM 06N102W TO
BEYOND 08N140W. SCATTERED MODERATE FROM 05N TO 11N AND E OF 99W.

.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0000 UTC NOV 15 2025.
24 HOUR FORECAST VALID 0000 UTC NOV 16 2025.
48 HOUR FORECAST VALID 0000 UTC NOV 17 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N171W 29N173W 28N176W MOVING NE 15 KT.
.24 HOUR FORECAST FRONT MOVED N OF AREA.

.TROUGH 30N164W 28N167W MOVING NE 15 KT.
.24 HOUR FORECAST TROUGH MOVED N OF AREA.

.TROUGH 13N169W 10N168W 06N169W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH 11N172W 08N174W 04N176W.
.48 HOUR FORECAST TROUGH 11N178W 09N179W 05N178W.

.24 HOUR FORECAST NEW FRONT 30N173E 25N165E.
.48 HOUR FORECAST FRONT 30N176W 25N175E THENCE TROUGH 23N165E.

.WINDS 20 TO 25 KT N OF 28N W OF 170E...AND WITHIN 150 NM OF
POINT 20N155W.
.24 HOUR FORECAST WINDS 20 TO 25 KT N OF 29N BETWEEN 175E AND
167E.
.48 HOUR FORECAST WINDS 20 TO 25 KT WITHIN 90 NM OF LINE 30N180W
25N170E 23N160E.

.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 2.5 TO 4 M N OF LINE 30N175W 25N175E 28N160E...AND E OF LINE
30N145W 25N160W 15N160W 15N140W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M N OF 28N W OF 175E...AND E OF
LINE 30N140W 15N155W 10N140W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 30N175W 22N160E.

.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.

.ITCZ 07N140W 10N160W 10N169W...AND 09N175W 09N177E 06N169E
05N160E.
ISOLATED MODERATE TSTMS WITHIN 180 NM OF ITCZ.

.SCATTERED MODERATE TSTMS WITHIN 120 NM OF LINE 30N165E 28N160E.


$$

.FORECASTER PECHACEK. HONOLULU HI.