687
FZPN02 KWBC 191725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC THU SEP 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SEP 19.
24 HOUR FORECAST VALID 1200 UTC SEP 20.
48 HOUR FORECAST VALID 1200 UTC SEP 21.

.WARNINGS.

...STORM WARNING...
.36 HOUR FORECAST LOW 48N160E 982 MB. W OF A LINE FROM 50N163E TO
47N170E TO 40N170E TO 33N160E WINDS 25 TO 40 KT. SEAS 8 TO 14
FT.
.48 HOUR FORECAST LOW 49N169E 974 MB. WITHIN 240 NM S SEMICIRCLE
WINDS 40 TO 55 KT. SEAS 14 TO 26 FT. ELSEWHERE W OF A LINE FROM
54N170E TO 40N168E TO 35N168E WINDS 25 TO 40 KT. SEAS 8 TO 18
FT...HIGHEST S OF CENTER.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 50N169W 1002 MB AND SECOND CENTER
47N176W 1004 MB MOVING NE 40 KT. WITHIN AN AREA BOUNDED BY A LINE
FROM 38N174E TO 54N174W TO 54N155W TO 46N157W TO 36N178W TO
38N174E WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 54N148W 999 MB AND
SECOND CENTER 53N154W 1000 MB. WITHIN AN AREA BOUNDED BY A LINE
FROM 39N178W TO 57N161W TO 57N136W TO 47N138W TO 39N176W TO
39N178W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST COMBINED LOW 57N139W 994 MB. WITHIN 240 NM OF
CENTER...EXCEPT WITHIN 480 NM S QUADRANT WINDS 25 TO 40 KT. SEAS
8 TO 14 FT.

...GALE WARNING...
.LOW 48N161E 998 MB MOVING NE 30 KT. WITHIN 360 NM S QUADRANT
WINDS 20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 51N179E 990 MB. WITHIN 360 NM NE...AND 240
NM SW SEMICIRCLES WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW 54N176W 996 MB. WITHIN 360 NM NE...AND 420
NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT.

.SYNOPSIS AND FORECAST.

.LOW 59N141W 1006 MB NEARLY STATIONARY. WITHIN 420 NM SE...AND
480 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.

.LOW 37N TO 46N BETWEEN 124W TO 130W WINDS 20 TO 30 KT. SEAS TO 9
FT.
.24 HOUR FORECAST FROM 36N TO 50N BETWEEN 123W AND 130W WINDS 20
TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST FROM 34N TO 43N BETWEEN 123W TO 129W WINDS 20
TO 30 KT. SEAS TO 12 FT.

.LOW 54N165E 991 MB MOVING N 05 KT. WITHIN 420 NM E QUADRANT
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW WELL W OF AREA. ASSOCIATED CONDITIONS
DIMINISHED.

.48 HOUR FORECAST LOW 50N151W 1008 MB. WITHIN 540 NM S SEMICIRCLE
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 53N
BETWEEN 177W AND 152W.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 55N BETWEEN 165W AND
145W.
.48 HOUR FORECAST DENSE FOG FROM 44N TO 50N BETWEEN 158W AND
140W.

.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 19.
24 HOUR FORECAST VALID 1200 UTC FRI SEP 20.
48 HOUR FORECAST VALID 1200 UTC SAT SEP 21.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 07N96W TO 07N96.5W TO 06.5N97W TO 06.5N96.5W TO 06.5N96W
TO 06.5N95.5W TO 07N96W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED S
SWELL AND SW WAVES.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.06 HOUR FORECAST WITHIN 10N108W TO 08N117W TO 09N117W TO
09N112W TO 10N108W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SE
SWELL AND SW WAVES.
.24 HOUR FORECAST WITHIN 11N107W TO 11N108W TO 10N107W TO
11N107W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SE SWELL AND
NW SWELL.
.30 HOUR FORECAST LOW PRES NEAR 13N107W 1007 MB. WITHIN 12N105W
TO 11N107W TO 12N108W TO 13N107W TO 12N105W SW WINDS 20 TO 25
KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST LOW PRES NEAR 14N107W 1006 MB. WITHIN 14N106W
TO 12N105W TO 11N107W TO 11N110W TO 14N106W SW TO W WINDS 20 TO
25 KT. SEAS 8 TO 10 FT.

.48 HOUR FORECAST LOW PRES NEAR 13N118W 1008 MB. WITHIN 10N114W
TO 09N116W TO 09N118W TO 10N119W TO 12N116W TO 11N115W TO
10N114W SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.

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

CONVECTION VALID AT 1515 UTC THU SEP 19...

.TROPICAL WAVE ALONG 84W N OF 04N...SCATTERED MODERATE ISOLATED
STRONG WITHIN 180 NM W OF WAVE FROM 07N TO 10N AND WITHIN 120 NM
E OF WAVE FROM 08N TO 09N.

.SCATTERED MODERATE ISOLATED STRONG FROM 03N TO 09N BETWEEN 77W
AND 80W AND FROM 13N TO 17N BETWEEN 96W AND 105W.

.SCATTERED MODERATE WITHIN 60 NM OF 14N107W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 10N75W TO 11N86W TO 12N102W TO
10N119W TO 09N125W TO 10N140W. NUMEROUS MODERATE TO STRONG
FROM 10N TO 14N BETWEEN 91W AND 97W. SCATTERED MODERATE ISOLATED
STRONG WITHIN 60 NM OF TROUGH BETWEEN 123W AND 126W AND WITHIN
60 NM S OF TROUGH BETWEEN 126W AND 131W. SCATTERED MODERATE
WITHIN 60 NM EITHER SIDE OF TROUGH W OF 135W.

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1200 UTC SEP 19 2024.
24 HOUR FORECAST VALID 1200 UTC SEP 20 2024.
48 HOUR FORECAST VALID 1200 UTC SEP 21 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST NEW TROUGH FROM 09N170E TO 11N177E TO 15N177W
TO 18N172W. WINDS E TO S 20 TO 25 KT WITHIN 150 NM SE AND S OF
TROUGH AXIS W OF 177W.
.48 HOUR FORECAST NEW LOW NEAR 15N179E 1012 MB. TROUGHS FROM LOW
TO 18N172W AND FROM LOW TO 13N172E TO 09N165E. WINDS 20 TO 25 KT
WITHIN 240 NM OF LOW NE SEMICIRCLE.

.TROUGH FROM 15N178E TO 19N177W TO 21N172W MOVING NW 10 KT.
.24 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW TROUGH FROM 26N140W TO 30N146W.
.48 HOUR FORECAST TROUGH FROM 24N145W TO 30N150W.

.OTHERWISE WINDS E TO NE 20 TO 25 KT FROM 17N TO 09N BETWEEN 165E
AND 175E AND ALSO FROM 30N TO 24N BETWEEN 171W AND 159W.
ADDITIONALLY WINDS NE TO S 20 TO 25 KT FROM 16N TO 02N BETWEEN
172W AND 164W.
.24 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS...EXCEPT
HIGHER
WHERE NOTED ABOVE.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.OTHERWISE SEAS 8 TO 9 FT FROM 16N TO 04N BETWEEN 174W AND 164W.
.24 HOUR FORECAST SEAS SUBSIDED TO 8 FT OR LOWER EXCEPT GREATER
WHERE NOTED ABOVE.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.MONSOON TROUGH FROM 11N140W TO 11N146W TO 08N153W. ISOLATED
MODERATE TSTMS WITHIN 240 NM EITHER SIDE OF TROUGH AXIS.

.ITCZ FROM 11N160W TO 12N168W TO 07N178W TO 08N168E. ISOLATED
MODERATE TO STRONG TSTMS WITHIN 360 NM EITHER SIDE OF CONVERGENCE
LINE.

.OTHERWISE SCATTERED MODERATE TSTMS FROM 30N TO 26N BETWEEN 172W
AND
166W.


$$

.FORECASTER BEDAL. HONOLULU HI.