871
FZPN02 KWBC 270525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC FRI SEP 27 2024

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

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 0000 UTC SEP 27.
24 HOUR FORECAST VALID 0000 UTC SEP 28.
48 HOUR FORECAST VALID 0000 UTC SEP 29.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 52N134W 979 MB MOVING NE 20 KT. WITHIN 180 NM SW SEMICIRCLE
AND BETWEEN 150 NM AND 240 NM E QUADRANT WINDS 50 TO 65 KT. SEAS
12 TO 26 FT. ELSEWHERE WITHIN 120 NM N...300 NM E AND S...AND 240
NM W QUADRANTS WINDS 40 TO 50 KT. SEAS 12 TO 24 FT. ALSO FROM 41N
TO 56N BETWEEN 124W AND 142W WINDS 25 TO 40 KT. SEAS 8 TO 21
FT...HIGHEST NEAR 47N138W. OTHERWISE...EXCEPT WHERE DESCRIBED
BELOW...FROM 37N TO 47N BETWEEN 142W AND 168W WINDS LESS THAN 25
KT. SEAS 8 TO 18 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND. EXCEPT WHERE DESCRIBED
IN SYNOPSIS BELOW...FROM 34N TO 51N E OF 147W WINDS LESS THAN 25
KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

...STORM WARNING...
.LOW W OF AREA NEAR 40N158E 1005 MB MOVING E 25 KT. FROM 33N TO
45N W OF 175E WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.
.06 HOUR FORECAST LOW 41N161E 1003 MB. WITHIN 180 NM N QUADRANT
WINDS 40 TO 50 KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 40N171E 1005 MB
AND NEW SECOND CENTER 40N179W 1004 MB. WITHIN 120 NM N OF FRONT
FROM FIRST CENTER TO SECOND CENTER TO 40N175W WINDS 40 TO 50 KT.
SEAS 12 TO 18 FT. ELSEWHERE FROM 32N TO 45N W OF 170W WINDS 25 TO
35 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 40N163W 999 MB.
WITHIN 150 NM E SEMICIRCLE AND 240 NM SW QUADRANT WINDS 30 TO 45
KT. SEAS 10 TO 16 FT. ELSEWHERE FROM 30N TO 45N BETWEEN 157W AND
168E WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 56N177W 998 MB MOVING SE 20 KT.
WITHIN 480 NM N AND NW SEMICIRCLES AND 660 NM S QUADRANT WINDS 25
TO 35 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW 53N164W 1001 MB WITH SECOND CENTER
ABSORBED. FROM 43N TO 58N BETWEEN 151W AND 176W WINDS 25 TO 35
KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 57N154W 1004 MB. FROM 45N TO 60N BETWEEN
143W AND 161W WINDS 20 TO 30 KT. SEAS TO 11 FT.

...GALE WARNING...
.LOW 58N170W 998 MB MOVING NE 05 KT. CONDITIONS DESCRIBED ABOVE
WITH LOW 56N177W.
.24 HOUR FORECAST LOW 60N166W 997 MB. WITHIN 240 NM W QUADRANT
WINDS 25 TO 35 KT. SEAS TO 11 FT. ELSEWHERE N OF 58N BETWEEN 164W
AND 173W WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 61N164W 1000 MB. N
OF 60N W OF 168W AREA OF N WINDS 20 TO 30 KT. SEAS TO 8 FT.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 55N145W 999 MB MOVING E 15 KT.
WITHIN 540 NM SW SEMICIRCLE AND 660 NM S QUADRANT WINDS 25 TO 35
KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST COMPLEX LOW DISSIPATED. FROM 51N TO 58N BETWEEN
128W AND 147W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.24 HOUR FORECAST LOW 61N179E 1009 MB. WITHIN 240 NM S QUADRANT
WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW 55N169W 999 MB. WITHIN 150 NM W QUADRANT
WINDS 35 TO 45 KT. SEAS 10 TO 15 FT. ELSEWHERE FROM 49N TO 60N
BETWEEN 164W AND 177W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.

.SYNOPSIS AND FORECAST.

.FROM 35N TO 41N E OF 126W WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST FROM 35N TO 46N E OF 129W WINDS 20 TO 30 KT.
SEAS 8 TO 13 FT.
.48 HOUR FORECAST FROM 33N TO 50N E OF 132W WINDS 20 TO 30 KT.
SEAS 8 TO 14 FT.

DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 59N TO 62N BETWEEN 165W AND 168W.
.48 HOUR FORECAST DENSE FOG N OF 62N BETWEEN 169W AND 172W AND
WITHIN 60 NM OF 56N166W.

.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 0000 UTC FRI SEP 27.
24 HOUR FORECAST VALID 0000 UTC SAT SEP 28.
48 HOUR FORECAST VALID 0000 UTC SUN SEP 29.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM JOHN NEAR 17.9N 103.2W 984 MB AT 0300 UTC SEP 27
MOVING NW OR 315 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM N
SEMICIRCLE...140 NM SE QUADRANT AND 60 NM SW QUADRANT.  SEAS 12
FT OR GREATER WITHIN 45 NM NE QUADRANT...330 NM SE
QUADRANT...300 NM SW QUADRANT...AND 75 NM NW QUADRANT WITH SEAS
TO 21 FT. ELSEWHERE WITHIN 16N99W TO 19N105W TO 14N108W TO
11N114W TO 10N112W TO 12N100W TO 16N99W WINDS 20 TO 33 KT. SEAS
11 TO 12
FT. REMAINDER AREA WITHIN 15N93W TO 18N103W TO 27N116W TO
10N114W TO 08N101W TO 12N91W TO 15N93W WINDS 20 KT OR LESS. SEAS
8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM JOHN OVER WATER NEAR 19.0N
104.4W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM
FORCE WINDS WITHIN 10 NM NE QUADRANT...30 NM SE QUADRANT...20 NM
SW QUADRANT...AND 0 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
0 NM N SEMICIRCLE...330 NM SE QUADRANT...AND 300 NM SW QUADRANT
WITH SEAS TO 14 FT. ELSEWHERE WITHIN 18N102W TO 19N105W TO
14N106W TO 11N105W TO 11N101W TO 14N101W TO 18N102W WINDS 20 TO
33 KT. SEAS 9 TO 12 FT. REMAINDER AREA WITHIN 20N107W TO 28N116W
TO 25N119W TO 10N113W TO 10N97W TO 15N94W TO 20N107W WINDS 20 KT
OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.36 HOUR FORECAST TROPICAL DEPRESSION JOHN NEAR 19.5N 105.7W.
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW JOHN NEAR 20.2N
107.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 21N107W
TO 21N106W TO 20N106W TO 20N107W TO 21N107W WINDS 20 TO 25 KT.
SEAS 8 TO 10 FT. ELSEWHERE WITHIN 14N92W TO 22N109W TO 24N120W TO
12N119W TO 05N111W TO 08N92W TO 14N92W WINDS 20 KT OR LESS. SEAS
8 TO 11 FT IN MIXED 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.

.48 HOUR FORECAST WITHIN 30N125W TO 30N130W TO 29N129W TO
29N128W TO 29N126W TO 30N125W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN NW SWELL.

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

CONVECTION VALID AT 0230 UTC FRI SEP 27...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 17N108W TO 11N140W. SCATTERED MODERATE FROM
05N TO 10N E OF 87W...AND FROM 08N TO 14N BETWEEN 110W AND 140W.

.FORECASTER AL. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 0000 UTC SEP 27 2024.
24 HOUR FORECAST VALID 0000 UTC SEP 28 2024.
48 HOUR FORECAST VALID 0000 UTC SEP 29 2024.

.WARNINGS.



.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 07N170W 1010 MB. TROUGH 08N163E TO LOW TO 10N174E
TO 11N174W 15N175W. LOW AND TROUGH MOVING NW SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 120 NM OF LOWS AND TROUGH.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH 05N160E 05N170E 10N175E.
.48 HOUR FORECAST TROUGH 08N165E 10N170E.

.24 HOUR FORECAST NEW TROUGH 15N165W 05N170W.
.48 HOUR FORECAST TROUGH 15N168W 08N173W 05N175W.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS 8 FT OR LESS OVER REMAINDER FORECAST AREA.

.MONSOON TROUGH 05N165W 12N158W 10N146W 09N160W. ISOLATED
MODERATE TSTMS WITHIN 180 NM OF TROUGH.

.ISOLATED MODERATE TSTMS WITHIN 240 NM OF POINT 25N169W.




$$

.FORECASTER PECHACEK. HONOLULU HI.