406
FZPN02 KWBC 261725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC THU SEP 26 2024

CCODE/2:31:12:11:00/AOW+POR+AOE/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

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

THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL
OCTOBER 16 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN
DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND
GRAPHICAL PRODUCTS FOR THE HIGH SEAS AREAS ONLY.
TO LEARN MORE PLEASE VISIT (WEB ADDRESS LOWERCASE)
HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP

FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH
PACIFIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG
WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO
WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 12 FEET OR
GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH,
AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER
CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO
PRESERVE CONTINUITY WHERE APPROPRIATE.

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 SEP 26.
24 HOUR FORECAST VALID 1200 UTC SEP 27.
48 HOUR FORECAST VALID 1200 UTC SEP 28.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 49N139W 982 MB MOVING NE 25 KT. WITHIN 300 NM S...AND 360 NM
SW QUADRANTS WINDS 40 TO 55 KT. SEAS 15 TO 22 FT. ELSEWHERE
WITHIN AN AREA BOUNDED BY A LINE FROM 38N149W TO 50N158W TO
53N130W TO 43N130W TO 38N149W WINDS 25 TO 40 KT. SEAS 8 TO 17
FT.
.12 HOUR FORECAST LOW 55N127W 976 MB. FROM 50N TO 53N E OF
130W...AND WITHIN 120 NM SW SEMICIRCLE WINDS 55 TO 70 KT. SEAS 15
TO 26 FT.
.24 HOUR FORECAST LOW INLAND NEAR 55N127W 996 MB. FROM 48N TO 55N
E OF 150W WINDS 25 TO 35 KT. SEAS 10 TO 23 FT...HIGHEST NEAR
VANCOUVER ISLAND. ELSEWHERE FROM 40N TO 50N E OF 150W WINDS LESS
THAN 25 KT. SEAS 9 TO 18 FT...EXCEPT WHERE DESCRIBED BELOW.
.48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.

...STORM WARNING...
.LOW 38N152E 1008 MB MOVING NE 25 KT. WITHIN 300 NM N OF A LINE
FROM 38N160E TO 35N170E WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW 40N165E 1003 MB. WITHIN 120 NM OF A LINE
FROM LOW CENTER TO 40N172E WINDS 40 TO 50 KT. SEAS 12 TO 19 FT.
ELSEWHERE FROM 35N TO 45N W OF 180W WINDS 25 TO 40 KT. SEAS 8 TO
14 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 39N179E 1002 MB
AND NEW SECOND CENTER 40N172W 1002 MB. WITHIN 120 NM N OF A LINE
FROM MAIN CENTER TO SECOND CENTER...AND WITHIN 120 NM NE QUADRANT
OF SECOND CENTER WINDS 40 TO 50 KT. SEAS 12 TO 18 FT. ELSEWHERE
FROM 33N TO 44N W OF 162W WINDS 25 TO 40 KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.LOW 59N178E 999 MB MOVING SE 20 KT. WITHIN 360 NM N...540 NM
SE...AND 360 NM SW QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 14
FT...EXCEPT SEAS TO 8 FT E OF 178W.
.24 HOUR FORECAST LOW 55N169W 998 MB. WITHIN 600 NM S AND W
SEMICIRCLES...AND WITHIN 360 NM N QUADRANT WINDS 25 TO 35 KT.
SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 57N163W 997 MB. WITHIN AN AREA BOUNDED BY A
LINE FROM 48N165W TO 63N173W TO 59N152W TO 47N148W TO 48N165W
WINDS 25 TO 35 KT. SEAS TO 13 FT.

...GALE WARNING...
.LOW 58N150W 995 MB MOVING SE 20 KT. FROM 50N TO 59N BETWEEN 160W
AND 149W WINDS 25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.48 HOUR FORECAST LOW 57N173W 1004 MB. WITHIN 300 NM SW AND W
SEMICIRCLES WINDS 25 TO 35 KT. SEAS TO 10 FT.

.SYNOPSIS AND FORECAST.

.FROM 37N TO 41N BETWEEN 124W AND 127W WINDS 20 TO 30 KT. SEAS
TO
11 FT.
.24 HOUR FORECAST FROM 35N TO 42N BETWEEN 123W AND 126W WINDS 20
TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST FROM 34N TO 47N BETWEEN 124W AND 128W WINDS 20
TO 30 KT. SEAS 8 TO 14 FT.

.RESUSPENDED ASH IS OCCURRING FROM SHIVELUCH VOLCANO AT POSITION
56.7N161.4E ON KAMCHATKA ISLAND. TRACE AMOUNTS OF ASHFALL
MAY DRIFT E AND REACH THE SURFACE. IF MARINERS ENCOUNTER
VOLCANIC
ASH OF FLOATING VOLCANIC DEBRIS PLEASE REPORT THE OBSERVATION TO
THE OCEAN PREDICTION CENTER BY CALLING 301-683-1520.

.24 HOUR FORECAST DENSE FOG VSBY OCCASIONALLY LESS THAN 1 NM
FROM
58N TO 64N BETWEEN 170W AND 163W.
.48 HOUR FORECAST DENSE FOG FROM 61N TO 64N BETWEEN 162W AND
170W.

.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 1200 UTC THU SEP 26.
24 HOUR FORECAST VALID 1200 UTC FRI SEP 27.
48 HOUR FORECAST VALID 1200 UTC SAT SEP 28.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE JOHN NEAR 17.5N 102.7W 979 MB AT 1500 UTC SEP 26
MOVING NW OR 325 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 65 KT
GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM NE
QUADRANT...120 NM SE QUADRANT...60 NM SW QUADRANT...AND 50 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 30 NM NE QUADRANT...360
NM SE QUADRANT...300 NM SW QUADRANT...AND 90 NM NW QUADRANT WITH
SEAS TO 21 FT. ELSEWHERE WITHIN 22N110W TO 10N114W TO 08N106W TO
12N88W TO 22N110W...INCLUDING NEAR CABO CORRIENTES AND THE GULF
OF TEHUANTEPEC...WINDS 20 TO 33 KT. SEAS 11 TO 13 FT. REMAINDER
OF AREA WITHIN 26N113W TO 27N116W TO 26N117W TO 21N115W TO
22N112W TO 26N113W...INCLUDING WITHIN 60 NM OF SHORE...WITHIN 60
NM OF SHORE...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST TROPICAL STORM JOHN INLAND NEAR 18.6N 103.4W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 10 NM NE QUADRANT...80 NM SE QUADRANT...40 NM SW
QUADRANT...AND 20 NM NW QUADRANT. SEAS 12 FT OR GREATER
WITHIN 330 SW SEMICIRCLE AND 0 NM NE SEMICIRCLE WITH SEAS TO 18
FT. ELSEWHERE WITHIN 22N109W TO 18N115W TO 11N116W TO 08N103W TO
13N89W TO 22N109W...INCLUDING NEAR CABO CORRIENTES AND THE GULF
OF TEHUANTEPEC...WINDS 20 TO 33 KT. SEAS 11 TO 13 FT. REMAINDER
OF AREA WITHIN 30N116W TO 30N119W TO 24N119W TO 20N116W TO
20N110W TO 22N110W TO 30N116W...INCLUDING SEBASTIAN VIZCAINO BAY
AND WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
IN NW SWELL.
.36 HOUR FORECAST TROPICAL DEPRESSION JOHN INLAND NEAR 19.2N
104.2W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW JOHN NEAR 19.8N
105.4W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 15N94W
TO 18N103W TO 29N117W TO 10N119W TO 06N108W TO 08N96W TO
15N94W...INCLUDING NEAR CABO CORRIENTES AND THE GULF OF
CALIFORNIA AND SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF SHORE
AND THE GULF OF TEHUANTEPEC...WINDS 20 KT OR LESS. SEAS 8 TO 11
FT IN NW SWELL.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.WITHIN 30N127W TO 30N138W TO 28N140W TO 21N140W TO 26N131W TO
30N127W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.15 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 1550 UTC THU SEP 26...

.HURRICANE JOHN...NUMEROUS MODERATE TO STRONG FROM 11N TO 19N
BETWEEN 97W AND 111W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS WEST OF HURRICANE JOHN NEAR 13N112W
TO 12N127W AND BEYOND 09N140W. SCATTERED MODERATE FROM 01N E OF
84W...AND FROM 09N TO 15N BETWEEN 114W AND 136W.

.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1200 UTC SEP 26 2024.
24 HOUR FORECAST VALID 1200 UTC SEP 27 2024.
48 HOUR FORECAST VALID 1200 UTC SEP 28 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FIRST LOW NEAR 14N172W 1011 MB. SECOND LOW NEAR 08N170E 1010 MB.
TROUGH 21N170W TO FIRST LOW TO 12N175W 08N172E TO SECOND
LOW TO 04N166E. LOWS AND TROUGH MOVING NW SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 120 NM OF LOWS AND TROUGH.
.24 HOUR FORECAST FIRST LOW DISSIPATED. SECOND LOW NEAR 09N169E
1011MB. TROUGH 21N174W 13N176W 10N172W TO SECOND LOW TO 04N164E.
.48 HOUR FORECAST SECOND LOW DISSIPATED. TROUGH 13N171E 04N161E.

.24 HOUR FORECAST NEW TROUGH 12N160W 04N165W.
.48 HOUR FORECAST TROUGH 13N167W 05N171W.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS 8 TO 9 FT N OF LINE 30N140W 17N151W 17N160W 15N149W 21N140W.
.24 HOUR FORECAST SEAS SUBSIDE 8 FT OR LESS.

.SEAS 8 FT OR LESS OVER REMAINDER FORECAST AREA.

.MONSOON TROUGH 09N140W 09N145W 11N152W 11N161W. ISOLATED
MODERATE TSTMS
WITHIN 90 NM OF TROUGH.

.ISOLATED MODERATE TSTMS FROM 14N TO 21N W OF 162E...N OF 24N
BETWEEN 177W AND 169W...AND FROM 12N TO 20N BETWEEN 161W AND 157W.


$$

.FORECASTER PIERCE. HONOLULU HI.