075
FZPN02 KWBC 210525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SEP 21.
24 HOUR FORECAST VALID 0000 UTC SEP 22.
48 HOUR FORECAST VALID 0000 UTC SEP 23.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 48N160E 973 MB MOVING E 35 KT. WITHIN 600 NM SE QUADRANT
WINDS 40 TO 50 KT. SEAS 12 TO 18 FT. ELSEWHERE FROM 35N TO 50N W
OF 171E WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.06 HOUR FORECAST LOW 48N165E 972 MB. WITHIN 240 NM SW SEMICIRCLE
WINDS 55 TO 65 KT. SEAS 22 TO 32 FT. ELSEWHERE FROM 35N TO 52N W
OF 177E WINDS 25 TO 40 KT. SEAS 12 TO 18 FT.
.18 HOUR FORECAST LOW 49N175E 973 MB. WITHIN 420 NM S SEMICIRCLE
AND FROM 40N TO 47N BETWEEN 168W AND 179W WINDS 35 TO 50 KT. SEAS
20 TO 30 FT. ELSEWHERE W OF A LINE FROM 43N160E TO 36N180W TO
42N162W TO 53N179E TO 56N167W TO 61N176W WINDS 20 TO 30 KT. SEAS
10 TO 15 FT.
.24 HOUR FORECAST LOW 50N179W 975 MB. WITHIN 480 NM S SEMICIRCLE
AND WITHIN 300 NM SE OF A LINE FROM 48N166W TO 41N177W WINDS 35
TO 45 KT. SEAS 20 TO 33 FT...HIGHEST SW OF CENTER. ELSEWHERE
WITHIN 600 NM N SEMICIRCLE AND FROM 37N TO 53N BETWEEN 158W AND
166E WINDS 20 TO 30 KT. SEAS 12 TO 18 FT.
48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 54N160W 970
MB. WITHIN 720 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 40N TO 64N BETWEEN 133W TO 179W WINDS 20
TO 30 KT. SEAS 9 TO 18 FT...HIGHEST SW OF CENTER.

...GALE WARNING...
.LOW 56N143W 992 MB MOVING NE 30 KT. WITHIN 120 NM NE OF A LINE
FROM 57N143W TO 56N138W TO 53N132W...WITHIN 120 NE
SEMICIRCLE...AND WITHIN 540 S QUADRANT... WINDS 25 TO 35 KT. SEAS
8 TO 13 FT.
.24 HOUR FORECAST LOW 58N135W 1001 MB. WITHIN 60 NM OF LOW CENTER
WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW INLAND NEAR 58N134W 1005 MB. ASSOCIATED
CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 53N178W 992 MB MOVING NE 20 KT. WITHIN 360 NM NE AND 300 NM
S SEMICIRCLES WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM
46N TO 59N BETWEEN 167W AND 176E WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW ABSORBED BY LOW 50N179W IN HURRICANE FORCE
WIND WARNING ABOVE.

...GALE WARNING...
.LOW 47N162W 1008 MB MOVING NE 35 KT. WITHIN 300 NM SE OF A LINE
FROM 50N150W TO LOW TO 40N171W WINDS 25 TO 35 KT.
.24 HOUR FORECAST LOW 51N142W 1005 MB, WITHIN 360 NM SE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW INLAND NEAR 56N126W 1004 MB. ASSOCIATED
CONDITIONS DIMINISHED.

.SYNOPSIS AND FORECAST.

.FROM 35N TO 44N BETWEEN 124W AND 130W WINDS 20 TO 30 KT. SEAS 8
TO 13 FT.
.24 HOUR FORECAST FROM 33N TO 44N BETWEEN 124W AND 129W WINDS 20
TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST FROM 32N TO 43N BETWEEN 124W AND 131W WINDS 20
TO 30 KT. SEAS 8 TO 12 FT.

.48 HOUR FORECAST LOW W OF AREA NEAR 41N156E 1001 MB. FROM 36N TO
44N W OF 167E WINDS 20 TO 30 KT. SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 49N
BETWEEN 144W AND 162W.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM S OF A LINE FROM
46N163W TO 44N160W TO 44N155W.
.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 0000 UTC SAT SEP 21.
24 HOUR FORECAST VALID 0000 UTC SUN SEP 22.
48 HOUR FORECAST VALID 0000 UTC MON SEP 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 14N111W TO 14N112W TO 12N112W TO 12N110W TO 14N111W SW
TO W WINDS 20 TO 25 KT. SEAS 8 FT. WITHIN 12N104W TO 13N104W TO
13N106W TO 12N106W TO 11N105W TO 11N104W TO 12N104W SW TO W
WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST WITHIN 13N109W TO 14N112W TO 14N113W TO
12N113W TO 11N112W TO 11N111W TO 13N109W SW TO W WINDS 20 TO 30
KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST WITHIN 13N107W TO 14N107W TO 14N110W TO
12N114W TO 10N113W TO 10N111W TO 13N107W SW TO W WINDS 20 TO 30
KT. SEAS 8 TO 10 FT.

.06 HOUR FORECAST WITHIN 11N136W TO 12N138W TO 12N139W TO
11N139W TO 10N138W TO 10N137W TO 11N136W SE TO S WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 12N138W TO 13N139W TO 14N140W TO
09N140W TO 10N139W TO 12N138W S WINDS 20 TO 25 KT. SEAS 8 FT.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.06 HOUR FORECAST WITHIN 09N93W TO 09N94W TO 09N95W TO 08N95W TO
08N94W TO 08N93W TO 09N93W W TO NW WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.
.24 HOUR FORECAST WITHIN 08N87W TO 09N87W TO 09N88W TO 08N89W TO
07N90W TO 06N89W TO 08N87W SW TO W WINDS 20 TO 25 KT. SEAS 8 FT.
.36 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 0320 UTC SAT SEP 21...

.TROPICAL WAVE WITH AXIS NEAR 90W...SCATTERED MODERATE FROM 06N
TO 15N BETWEEN 83W AND 97W.

.TROPICAL WAVE WITH AXIS NEAR 107W...SCATTERED MODERATE ISOLATED
STRONG FROM 09N TO 16N BETWEEN 100W AND 114W.

.TROPICAL WAVE WITH AXIS NEAR 124W...SCATTERED MODERATE FROM 09N
TO 14N BETWEEN 114W AND 127W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO LOW NEAR 14N107W 1007 MB TO
09N130W TO 10N137W. ITCZ FROM 10N138W AND THEN BEYOND 10N140W.
SCATTERED MODERATE N OF 03N AND E OF 83W...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 0000 UTC SEP 21 2024.
24 HOUR FORECAST VALID 0000 UTC SEP 22 2024.
48 HOUR FORECAST VALID 0000 UTC SEP 23 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N147W 26N146W MOVING W SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 120 NM W OF TROUGH AND WITHIN 180 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 26N178W 22N176W MOVING W 10 KT. ISOLATED MODERATE
TSTMS WITHIN 150 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH TROUGH DISSIPATED.

.TROUGH 17N174W 13N177E 10N167E MOVING NW 10 KT. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 18N177W 15N175E 11N172E 10N169E.
.48 HOUR FORECAST TROUGH 18N176E 13N171E 08N169E.

.TROUGH 12N161E 11N160E MOVING NW SLOWLY.
.24 HOUR FORECAST TROUGH 16N161E 13N160E.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

.LOW NEAR 07N157W 1009 MB MOVING W 10 KT. TROUGHS FROM 13N161W
TO LOW AND FROM LOW TO 07N155W. ISOLATED MODERATE TSTMS WITHIN
150 NM OF LOW.
.24 HOUR FORECAST LOW NEAR 07N161W 1010 MB. TROUGHS FROM 11N156W
TO LOW AND FROM LOW TO 06N174W.
.48 HOUR FORECAST LOW DISSIPATED. TROUGH 13N158W 08N169W.

.24 HOUR FORECAST NEW LOW NEAR 10N141W 1008 MB. WINDS 20 TO 25
KT WITHIN 150 NM OF LOW. SEAS 8 TO 9 FT FROM 13N TO 10N E OF
142W.
.48 HOUR FORECAST LOW NEAR 12N143W 1006 MB. WINDS 20 TO 25
KT FROM 16N TO 12N E OF 145W. SEAS 8 TO 9 FT FROM 15N TO 12N
BETWEEN 144W AND 141W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ 09N140W 10N154W. ISOLATED MODERATE TO STRONG TSTMS WITHIN
180 NM OF ITCZ.

.OTHERWISE ISOLATED MODERATE TSTMS N OF 27N BETWEEN 163W AND
156W...AND FROM 19N TO 17N BETWEEN 168E AND 175E.

$$

.FORECASTER TROTTER. HONOLULU HI.