267
FZPN02 KWBC 211125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC SAT SEP 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SEP 21.
24 HOUR FORECAST VALID 0600 UTC SEP 22.
48 HOUR FORECAST VALID 0600 UTC SEP 23.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 48N165E 971 MB MOVING NE 40 KT. WITHIN 240 NM SW SEMICIRCLE
WINDS 55 TO 65 KT. SEAS 20 TO 30 FT. ELSEWHERE FROM 36N TO 52N W
OF 178E WINDS 25 TO 40 KT. SEAS 12 TO 18 FT.
.12 HOUR FORECAST LOW 49N175E 973 MB. WITHIN 420 NM S SEMICIRCLE
AND FROM 40N TO 46N BETWEEN 168W AND 179W WINDS 35 TO 50 KT. SEAS
20 TO 32 FT. ELSEWHERE W OF A LINE FROM 42N160E TO 36N179E TO
42N161W TO 50N173W TO 53N173E TO 55N167W TO 61N176W WINDS 20 TO
30 KT. SEAS 10 TO 15 FT.
.24 HOUR FORECAST LOW 52N172W 975 MB. WITHIN 540 NM S SEMICIRCLE
AND WITHIN 300 NM SE OF A LINE FROM 49N161W TO 41N173W WINDS 35
TO 45 KT. SEAS 20 TO 33 FT...HIGHEST SW OF CENTER. ELSEWHERE
WITHIN 600 NM N SEMICIRCLE AND FROM 38N TO 53N BETWEEN 150W AND
171E WINDS 20 TO 30 KT. SEAS 12 TO 20 FT.
48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 55N156W 975
MB. WITHIN 780 NM S SEMICIRCLE...WITHIN 240 NM N AND 600 NM NE
QUADRANTS WINDS 25 TO 40 KT. SEAS 15 TO 25 FT HIGHEST SW OF
CENTER. ELSEWHERE FROM 41N TO 64N BETWEEN 128W TO 173W WINDS 20
TO 30 KT. SEAS 9 TO 18 FT...HIGHEST SW OF CENTER.

...GALE WARNING...
.LOW 57N141W 991 MB MOVING NE 15 KT. WITHIN 180 NM NE AND 120 NM
NW QUADRANTS AND WITHIN 540 S QUADRANT... WINDS 25 TO 35 KT. SEAS
9 TO 15 FT.
.24 HOUR FORECAST LOW 59N131W 1003 MB. WITHIN 120 NM SW QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW INLAND NEAR 60N129W 1006 MB. ASSOCIATED
CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 53N177W 992 MB DRIFTING N. WITHIN 360 NM NE AND 300 NM S
SEMICIRCLES WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM
47N TO 60N BETWEEN 167W AND 177E WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW ABSORBED BY LOW 52N172W IN HURRICANE FORCE
WIND WARNING ABOVE.

...GALE WARNING...
.LOW 49N157W 1007 MB MOVING NE 30 KT. WITHIN 240 NM SE OF A LINE
FROM 50N147W TO LOW TO 42N164W WINDS 25 TO 35 KT. SEAS 8 TO 12
FT.
.24 HOUR FORECAST LOW 52N138W 1004 MB, WITHIN 300 NM S SEMICIRCLE
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW INLAND NEAR 56N121W 1006 MB. ASSOCIATED
CONDITIONS DIMINISHED.

...GALE WARNING...
.FROM 38N TO 42N BETWEEN 124W AND 127W WINDS 25 TO 35 KT. SEAS 8
TO 13 FT. ELSEWHERE FROM 33N TO 44N BETWEEN 124W AND 129W WINDS
TO 25 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST FROM 33N TO 43N BETWEEN 124W AND 129W WINDS 20
TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST FROM 32N TO 42N BETWEEN 124W AND 131W WINDS 20
TO 30 KT. SEAS 8 TO 11 FT.

...GALE WARNING...
.48 HOUR FORECAST LOW W OF AREA NEAR 41N157E 1001 MB. FROM 37N TO
44N W OF 169E WINDS 25 TO 35 KT. SEAS TO 11 FT.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 47N TO 50N
BETWEEN 141W AND 159W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 48N BETWEEN 148W AND
164W.
.48 HOUR FORECAST DENSE FOG CONDITIONS IMPROVED.

.FORECASTER HYDE. 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 SAT SEP 21.
24 HOUR FORECAST VALID 0600 UTC SUN SEP 22.
48 HOUR FORECAST VALID 0600 UTC MON SEP 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 14N109W TO 14N110W TO 14N111W TO 13N112W TO 13N110W TO
14N109W SW TO W WINDS 20 TO 25 KT. SEAS 8 FT. WITHIN 14N105W TO
14N106W TO 13N106W TO 12N106W TO 13N105W TO 14N105W SW TO W WINDS
20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST WITHIN 13N110W TO 15N111W TO 13N113W TO
11N113W TO 11N111W TO 12N110W TO 13N110W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN SW SWELL.
.48 HOUR FORECAST WITHIN 14N108W TO 14N109W TO 13N112W TO
11N111W TO 11N109W TO 12N107W TO 14N108W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN SW TO W SWELL.

.12 HOUR FORECAST WITHIN 12N137W TO 12N139W TO 12N140W TO
10N140W TO 10N138W TO 11N137W TO 12N137W S WINDS 20 TO 25 KT.
SEAS 8 FT.
.24 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 0810 UTC SAT SEP 21...

.TROPICAL WAVE WITH AXIS NEAR 91W...SCATTERED TO NUMEROUS
MODERATE TO STRONG N OF 12N BETWEEN 87W AND 92W.

.TROPICAL WAVE WITH AXIS NEAR 107W...SCATTERED MODERATE FROM 09N
TO 17N BETWEEN 106W AND 116W.

.TROPICAL WAVE WITH AXIS NEAR 125W...SCATTERED MODERATE FROM 08N
TO 13N BETWEEN 120W AND 130W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 13N89W TO LOW NEAR 14N107W 1008 MB TO
10N130W TO 10N140W. NUMEROUS MODERATE TO STRONG FROM 03N TO 07N
E OF 79W...AND FROM 11N TO 17N BETWEEN 98W AND 103W. SCATTERED
MODERATE FROM 05N TO 10N BETWEEN 81W AND 97W...AND FROM 07N TO
14N W OF 135W.

.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 0600 UTC SEP 21 2024.
24 HOUR FORECAST VALID 0600 UTC SEP 22 2024.
48 HOUR FORECAST VALID 0600 UTC SEP 23 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 14N175E 14N167E 12N160E NEARLY STATIONARY AND ERODING FROM
THE E. SCATTERED MODERATE TSTMS S OF 15N AND N OF LINE 03N160E
04N170E 10N175E 14N175E.
.24 HOUR FORECAST TROUGH 13N168E 12N160E.
.48 HOUR FORECAST TROUGH DISSIPATED WITHIN FORECAST AREA.

.TROUGH 30N179W 24N178W 18N180W MOVING W SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 120 NM OF TROUGH BETWEEN 23N AND 27...AND IN AREA
22N174W 16N174W 10N175E 14N175E 22N174W.
.24 HOUR FORECAST WEAKENING TROUGH 28N178E 20N178E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 30N149W 24N146W MOVING W SLOWLY.
.24 HOUR FORECAST DISSIPATING TROUGH 29N151W 23N150W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.LOW NEAR 07N159W 1010 MB MOVING W 10 KT. ISOLATED MODERATE TSTMS
WITHIN 150 NM OF LOW.
.24 HOUR FORECAST LOW NEAR 08N162W 1010 MB.
.48 HOUR FORECAST LOW NEAR 08N167W 1011 MB.

.24 HOUR FORECAST NEW LOW NEAR 12N141W 1009 MB. WINDS 20 TO 25
KT WITHIN 150 NM OF LOW.
.48 HOUR FORECAST LOW NEAR 12N144W 1009 MB. WINDS 20 TO 25
KT FROM 18N TO 13N E OF 148W. SEAS 8 TO 9 FT FROM 16N TO 13N
BETWEEN 146W AND 142W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.MONSOON TROUGH 10N157W 09N141W. ISOLATED MODERATE TSTMS WITHIN
120 NM OF MONSOON TROUGH.

$$

.FORECASTER POWELL. HONOLULU HI.