853
FZPN02 KWBC 231125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC MON SEP 23 2024

CCODE/1:31:12:01:00/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

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 0600 UTC SEP 23.
24 HOUR FORECAST VALID 0600 UTC SEP 24.
48 HOUR FORECAST VALID 0600 UTC SEP 25.

.WARNINGS.

...STORM WARNING...
.LOW 57N151W 970 MB MOVING NE 10 KT. WITHIN 120 NM N OF FRONT
FROM 57N154W TO 58N149W TO 58N140W WINDS 40 TO 50 KT. SEAS 10 TO
18 FT. ELSEWHERE N OF A LINE FROM 46N179W TO 37N164W TO 48N126W
WINDS 25 TO 40 KT. SEAS 8 TO 24 FT...HIGHEST NEAR 51N153W. ALSO N
OF 33N BETWEEN 164W AND 173E WINDS LESS THAN 25 KT. SEAS 8 TO 16
FT.
.24 HOUR FORECAST LOW 59N146W 982 MB. WITHIN 300 NM NE...600 NM
SE...960 NM SW...AND 780 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS
10 TO 21 FT. ELSEWHERE N OF A LINE FROM 30N166W TO 48N125W WINDS
TO 25 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW 59N149W 991 MB. WITHIN 780 NM S AND 540 NM
W QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE N OF
THE ALEUTIAN ISLANDS BETWEEN ALASKA COAST AND 169W AND WITHIN 150
NM NW OF A FRONT TO EXTEND FROM 49N127W TO 40N134W WINDS 20 TO 30
KT. SEAS TO 11 FT. ALSO N OF 33N BETWEEN 132W AND 158W WINDS LESS
THAN 25 KT. SEAS TO 12 FT.

...GALE WARNING...
.LOW 42N159E 1002 MB MOVING NE 25 KT. FROM 35N TO 46N W OF 174E
WINDS 25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 44N168E 1005 MB.
BETWEEN 49N AND A LINE FROM 36N160E TO 40N172W WINDS 25 TO 40 KT.
SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW 47N168W 998 MB. WITHIN 480 NM SW QUADRANT
WINDS 30 TO 45 KT. SEAS 9 TO 18 FT. ELSEWHERE FROM 37N TO 50N
BETWEEN 156W AND 176E WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ALSO
FROM 37N TO 49N BETWEEN 176E AND 168E WINDS LESS THAN 25 KT. SEAS
TO 11 FT.

.SYNOPSIS AND FORECAST.

.FROM 30N TO 43N BETWEEN 124W AND 132W AREA OF N WINDS 20 TO 30
KT. SEAS TO 11 FT.
.24 HOUR FORECAST FROM 33N TO 44N BETWEEN 124W AND 130W AREA OF N
WINDS TO 25 KT. SEAS TO 11 FT.
.48 HOUR FORECAST EXCEPT WHERE DESCRIBED IN WARNINGS SECTION
ABOVE...FROM 31N TO 50N E OF 132W WINDS LESS THAN 25 KT. SEAS TO
10 FT IN MIXED SWELL.

.48 HOUR FORECAST WITHIN 300 NM N OF A FRONT TO EXTEND FROM
37N174E TO 35N167E TO 35N160E WINDS 20 TO 30 KT. SEAS TO 11 FT.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 42N TO 46N BETWEEN 177W AND 168E.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 47N BETWEEN 159W AND
163W.

.FORECASTER JOSEPH. 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 MON SEP 23.
24 HOUR FORECAST VALID 0600 UTC TUE SEP 24.
48 HOUR FORECAST VALID 0600 UTC WED SEP 25.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM JOHN NEAR 14.4N 98.5W 1000 MB AT 0900 UTC SEP 23
MOVING NNE OR 025 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 20 NM OF CENTER
EXCEPT 30 NM NE QUADRANT. SEAS 12 FT OR GREATER WITHIN 30 NM OF
CENTER WITH SEAS TO 15 FT. ELSEWHERE WITHIN 120 NM N SEMICIRCLE
AND 240 NM S SEMICIRCLE OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO
12 FT. FROM 08N TO 10N BETWEEN 98W AND 104W SW TO W WINDS 20 TO
25 KT. SEAS 8 TO 9 FT. FROM 11N TO 14N BETWEEN 104W AND 110W W
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. NUMEROUS TSTMS FROM 11N TO
17N BETWEEN 91W AND 102W.
.24 HOUR FORECAST TROPICAL STORM JOHN NEAR 15.4N 97.6W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS
WITHIN 50 NM S SEMICIRCLE...40 NM NE QUADRANT AND 30 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM OF CENTER WITH SEAS
TO 19 FT. ELSEWHERE OVER FORECAST WATERS WITHIN 120 NM NE
SEMICIRCLE AND 240 NM SW SEMICIRCLE OF CENTER WINDS 20 TO 33 FT.
SEAS 8 TO 12 FT. FROM 08N TO 11N BETWEEN 95W AND 102W AND FROM
09N TO 14N BETWEEN 102W AND 115W SW TO W WINDS 20 TO 25 KT. SEAS
8 TO 11 FT. FROM 05N TO 08N BETWEEN 93W AND 102W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN SE TO S SWELL.
.48 HOUR FORECAST TROPICAL STORM JOHN INLAND NEAR 16.0N 97.0W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM NE QUADRANT...80 NM SE QUADRANT...50 NM SW
QUADRANT...AND 30 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
60 NM S SEMICIRCLE OF CENTER WITH SEAS TO 15 FT. ELSEWHERE FROM
09N TO 16N BETWEEN 95W AND 101W SW WINDS 20 TO 30 KT. SEAS 8 TO
12 FT. FROM 08N TO 13N BETWEEN 101W AND 108W SW TO W WINDS 20 TO
25 KT. SEAS 8 TO 10 FT. FROM 06N TO 08N BETWEEN 89W AND 101W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN W TO NW SWELL MIXED WITH
SE 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.

.FROM 11N TO 14N W OF 139W WINDS 20 KT OR LESS. SEAS TO 8 FT IN
DECAYING S SWELL.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.06 HOUR FORECAST N OF 29N BETWEEN 127W AND 132W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN N SWELL.
.24 HOUR FORECAST 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 0945 UTC MON SEP 23...

.TROPICAL STORM JOHN...NUMEROUS STRONG WITHIN 60 NM OF CENTER
AND IN A WIDE BAND FROM 14N TO 17N BETWEEN 100W AND 102W.
NUMEROUS MODERATE ISOLATED STRONG ELSEWHERE FROM 11N TO 17N
BETWEEN 96W AND 102W. SCATTERED MODERATE FROM 14N TO 16N BETWEEN
102W AND 105W.

.SCATTERED MODERATE ISOLATED STRONG WITHIN 30 NM OF LINE
FROM 07N95W TO 12N95W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 11N86W TO 14N96W. IT RESUMES AT
16N102W TO LOW PRES NEAR 16N110W 1007 MB TO 11N124W TO 12N140W.
ASIDE FROM CONVECTION DESCRIBED ABOVE...SCATTERED MODERATE
ISOLATED STRONG WITHIN 60 NM N OF TROUGH BETWEEN 86W AND 90W.

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 0600 UTC SEP 23 2024.
24 HOUR FORECAST VALID 0600 UTC SEP 24 2024.
48 HOUR FORECAST VALID 0600 UTC SEP 25 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 11N143W 1009 MB. TROUGH 13N140W TO LOW TO 09N150W.
TROUGH AND LOW MOVING W SLOWLY. SCATTERED MODERATE TSTMS WITHIN
180 NM OF TROUGH AND LOW.
.24 HOUR FORECAST LOW NEAR 11N146W 1010 MB. TROUGH 12N143W
08N151W. WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT FROM 12N TO 16N
BETWEEN 145W AND 141W.
.48 HOUR FORECAST LOW NEAR 12N150W 1011 MB. TROUGH 13N149W TO LOW
TO 07N154W. WINDS EASED TO 20 KT OR LESS. SEAS 8 TO 10 FT FROM
14N TO 18N BETWEEN 150W TO 144W.

.LOW NEAR 08N168W 1009 MB. TROUGH 11N164W TO LOW TO 06N172W.
TROUGH AND LOW MOVING NW SLOWLY. ISOLATED MODERATE TSTMS WITHIN
240 NM OF LOW AND TROUGH.
.24 HOUR FORECAST LOW NEAR 10N170W 1008 MB. TROUGH 13N164W TO LOW
TO 09N174W. WINDS 20 TO 25 KT WITHIN 180 NM OF LOW AND TROUGH.
.48 HOUR FORECAST LOW NEAR 12N171W 1009 MB. TROUGH 16N167W TO LOW
TO 09N174E. WINDS 20 TO 30 KT AND SEAS 8 TO 10 FT WITHIN 180 NM
OF LOW.

.TROUGH 23N172E 17N170E 12N168E MOVING W SLOWLY. SCATTERED TO
NUMEROUS MODERATE TSTMS FROM 20N TO 28N BETWEEN 177E AND 166E.
.24 HOUR FORECAST TROUGH 18N167E 06N163E.
.48 HOUR FORECAST TROUGH 18N163E 10N163W.

.24 HOUR FORECAST NEW TROUGH 26N163E 22N162E.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

.ELSEWHERE WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.24 HOUR FORECAST SEAS 8 TO 10 FT N OF LINE 30N158W 24N170W
23N173W. SEAS 8 TO 9 FT FORM 20N TO 27N BETWEEN 173W AND 178W.
.48 HOUR FORECAST SEAS 8 TO 9 FT N OF 27N BETWEEN 144W AND 154W.

.ELSEWHERE SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ 09N153W 10N156W 10N161W ISOLATED MODERATE TSTMS WITHIN 180
NM OF ITCZ.

.ISOLATED MODERATE TSTMS S OF 05N W OF 168E...AND FROM 23N TO 25N
BETWEEN 156W AND 160W...AND FROM 11N TO 19N W OF 166E.



$$

.FORECASTER ALMANZA. HONOLULU HI.