975
FZPN02 KWBC 202325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC FRI SEP 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SEP 20.
24 HOUR FORECAST VALID 1800 UTC SEP 21.
48 HOUR FORECAST VALID 1800 UTC SEP 22.

.WARNINGS.

...STORM WARNING...
.LOW 47N157E 984 MB MOVING E 30 KT. FROM 34N TO 48N W OF 165E
WINDS 25 TO 40 KT. SEAS TO 12 FT.
.06 HOUR FORECAST LOW 48N161E 974 MB. WITHIN 360 NM S QUADRANT
WINDS 40 TO 50 KT. SEAS 11 TO 20 FT.
.12 HOUR FORECAST LOW 48N165E 972 MB. WITHIN 240 NM S AND 150 NM
W QUADRANTS WINDS 45 TO 60 KT. SEAS 16 TO 31 FT.
.24 HOUR FORECAST LOW 49N175E 973 MB. WITHIN 360 NM S QUADRANT
WINDS 40 TO 50 KT. SEAS 15 TO 30 FT. ELSEWHERE FROM 35N TO 61N W
OF 163W WINDS 25 TO 40 KT. SEAS 8 TO 16 FT...EXCEPT FROM 41N TO
50N W OF 180W SEAS 16 TO 28 FT.
.48 HOUR FORECAST LOW 55N161W 969 MB. WITHIN 660 NM S QUADRANT
AND 300 NM N SEMICIRCLE WINDS 30 TO 45 KT. SEAS 12 TO 25
FT...EXCEPT N SEMICIRCLE SEAS TO 12 FT. ELSEWHERE N OF 37N
BETWEEN 139W AND 177E WINDS 25 TO 35 KT. SEAS 8 TO 24 FT...
HIGHEST NEAR 46N172W. ALSO N OF 33N BETWEEN 177E AND 164E WINDS
LESS THAN 25 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.LOW 55N148W 995 MB MOVING NE 15 KT. N OF A LINE FROM 43N156W TO
50N131W WINDS 25 TO 40 KT. SEAS 8 TO 14 FT.
.06 HOUR FORECAST LOW 56N143W 992 MB. WITHIN 90 NM NE OF A LINE
FROM 57N141W TO 55N134W WINDS 30 TO 45 KT. SEAS 10 TO 16 FT.
.24 HOUR FORECAST LOW 57N137W 997 MB. WITHIN 180 NM OF CENTER AND
FROM 50N TO 55N E OF 132W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
ALSO WITHIN 420 NM SW SEMICIRCLE WINDS LESS THAN 25 KT. SEAS TO
12 FT.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.LOW 52N180W 990 MB MOVING NE 05 KT. FROM 45N TO 58N BETWEEN 167W
AND 172E WINDS 25 TO 40 KT. SEAS 8 TO 18 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED ABOVE WITH
LOW 49N175E.

...GALE WARNING...
.LOW 46N165W 1008 MB MOVING NE 30 KT. FRONT EXTENDS FROM 47N156W
TO LOW CENTER TO 38N146W. WITHIN 300 NM SE OF FRONT WINDS 25 TO
35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 51N147W 1006 MB. WITHIN 480 NM SE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN
540 NM SW QUADRANT WINDS LESS THAN 25 KT.  SEAS TO 10 FT.
.48 HOUR FORECAST LOW DISSIPATED. FROM 46N TO 54N E OF 138W WINDS
LESS THAN 25 KT. SEAS TO 10 FT.

.SYNOPSIS AND FORECAST.

.FROM 35N TO 43N BETWEEN 124W AND 130W AREA OF N TO NW WINDS 20
TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST FROM 35N TO 44N BETWEEN 124W AND 129W AREA OF N
WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST FROM 32N TO 43N BETWEEN 124W AND 130W AREA OF N
WINDS 20 TO 30 KT. SEAS TO 10 FT.

.48 HOUR FORECAST FROM 38N TO 43N W OF 165E WINDS 20 TO 30 KT.
SEAS TO 9 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 49N
BETWEEN 152W AND 165W AND WITHIN 90 NM N OF A LINE FROM 55N148W
TO 55N144W.
.24 HOUR FORECAST CONDITIONS IMPROVED.

.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 1800 UTC FRI SEP 20.
24 HOUR FORECAST VALID 1800 UTC SAT SEP 21.
48 HOUR FORECAST VALID 1800 UTC SUN SEP 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 13N111W TO 14N112W TO 13N115W TO 12N115W TO 12N112W TO
12N111W TO 13N111W SW TO W WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST CONDITIONS MERGED WITH AREA BELOW.

.WITHIN 12N104W TO 13N104W TO 12N107W TO 11N107W TO 11N105W TO
11N104W TO 12N104W SW TO W WINDS 20 TO 30 KT. SEAS 8 FT.
.24 HOUR FORECAST LOW PRES NEAR 14N113W 1008 MB. WITHIN 14N112W
TO 14N113W TO 13N115W TO 11N115W TO 11N114W TO 12N111W TO 14N112W
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST LOW PRES NEAR 14N114W 1006 MB. WITHIN 16N111W
TO 16N114W TO 11N116W TO 10N113W TO 12N108W TO 16N111W WINDS
20 TO 30 KT. SEAS 8 TO 10 FT.

.24 HOUR FORECAST WITHIN 11N137W TO 12N138W TO 13N139W TO
10N139W TO 09N139W TO 09N138W TO 11N137W SE TO S WINDS 20 TO 25
KT. SEAS 8 FT.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.24 HOUR FORECAST WITHIN 08N88W TO 09N89W TO 08N90W TO 07N91W TO
06N89W TO 07N88W TO 08N88W SW TO W WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.48 HOUR FORECAST WITHIN 08N84W TO 09N84W TO 08N85W TO 07N86W TO
07N85W TO 07N84W TO 08N84W WINDS 20 KT OR LESS. SEAS 8 FT IN SW
SWELL.

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

CONVECTION VALID AT 2100 UTC FRI SEP 20...

.TROPICAL WAVE WITH AXIS ALONG 89W. SCATTERED MODERATE WITHIN
240 NM ON EITHER SIDE OF THE WAVE AND S OF 10N.

.TROPICAL WAVE WITH AXIS ALONG 123W. SCATTERED SHOWERS ALONG THE
WAVE AXIS NEAR 11N.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11N86W TO 1008 MB LOW NEAR 13N98W TO
11N121W. ITCZ FROM 11N125W TO 10N140W. SCATTERED MODERATE TO
ISOLATED FROM 07N TO 15N BETWEEN 90W AND 126W...AND FROM 06N TO
14N AND W OF 134W.

.FORECASTER ERA. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1800 UTC SEP 20 2024.
24 HOUR FORECAST VALID 1800 UTC SEP 21 2024.
48 HOUR FORECAST VALID 1800 UTC SEP 22 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N146W 26N141W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH 30N150W 28N146W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 28N176W 23N176W MOVING NW 10 KT. ISOLATED MODERATE
TSTMS WITHIN 90 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH 29N179E 25N177E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 17N176W 12N178E 08N169E MOVING NW 10 KT. WINDS 20 TO
30 KT WITHIN 120 NM E OF TROUGH. SCATTERED MODERATE TO STRONG
TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 18N179E 11N173E.
.48 HOUR FORECAST TROUGH 18N177E 13N174E 10N172E.

.TROUGH 13N163E 10N160E MOVING NW SLOWLY.
.24 HOUR FORECAST TROUGH FROM 14N164E 13N160E.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

.LOW NEAR 08N156W 1011 MB MOVING W 10 KT.
.24 HOUR FORECAST LOW NEAR 07N160W. TROUGHS FROM 10N151W TO LOW
AND FROM LOW TO 04N163W.
.48 HOUR FORECAST LOW DISSIPATED.TROUGH 13N154W 10N165W 05N170W.

.48 HOUR FORECAST NEW LOW NEAR 11N142W 1010 MB. WINDS 20 TO 25
KT FROM 17N TO 13N E OF 144W.

.OTHERWISE WINDS 20 TO 25 KT FROM 18N TO 12N BETWEEN 158W AND
152W.
.24 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ FROM 10N140W TO 10N148W TO 07N154W TO 06N162W. ISOLATED
MODERATE TO STRONG TSTMS WITHIN 180 NM EITHER SIDE OF
CONVERGENCE LINE.

.OTHERWISE ISOLATED MODERATE TSTMS FROM 15N TO 11N BETWEEN
158W AND 150W.

$$

.FORECASTER TROTTER. HONOLULU HI.