497
FZPN02 KWBC 221125
HSFEPI

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

...STORM WARNING...
.LOW 51N172W 973 MB MOVING NE 30 KT. WITHIN 600 NM S QUADRANT AND
WITHIN 180 NM E OF A LINE FROM 49N160W TO 41N172W WINDS 40 TO 50
KT. SEAS 18 TO 28 FT. ELSEWHERE FROM 38N TO 61N BETWEEN 150W TO
172W WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.
.24 HOUR FORECAST LOW 56N153W 973 MB. WITHIN 660 NM S SEMICIRCLE
AND WITHIN 120 NM N OF A LINE FROM 56N157W TO 59N148W TO 59N144W
TO 51N129W WINDS 30 TO 40 KT. SEAS 15 TO 23 FT. ELSEWHERE FROM
40N TO 64N BETWEEN 129W AND 173W WINDS 20 TO 30 KT. SEAS 9 TO 18
FT.
.48 HOUR FORECAST LOW 57N150W 974 MB. WITHIN 780 NM S
SEMICIRCLE...360 NM E...660 NM W...AND 720 NM NW QUADRANTS WINDS
25 TO 35 KT. SEAS 9 TO 20 FT...HIGHEST IN SE QUADRANT.

...GALE WARNING...
.24 HOUR FORECAST LOW W OF AREA NEAR 41N158E 1002 MB. FROM 37N TO
45N W OF 169E WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW 45N172E 1001 MB. FROM 37N TO 49N W OF 173W
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.

.SYNOPSIS AND FORECAST.

.LOW 52N138W 1006 MB MOVING E 25 KT. WITHIN 360 NM S AND SE
QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND. CONDITIONS DIMINISHED.

.FROM 34N TO 43N BETWEEN 124W AND 129W WINDS 20 TO 30 KT. SEAS TO
11 FT.
.24 HOUR FORECAST FROM 32N TO 42N BETWEEN 124W AND 131W WINDS 20
TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST FROM 33N TO 44N BETWEEN 125W AND 130W WINDS 20
TO 30 KT. SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 46N TO 48N
BETWEEN 148W AND 158W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 45N W OF 164E.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 46N BETWEEN 174W AND
169E.

.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 SUN SEP 22.
24 HOUR FORECAST VALID 0600 UTC MON SEP 23.
48 HOUR FORECAST VALID 0600 UTC TUE SEP 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 14N110W TO 14N112W TO 13N114W TO 12N114W TO 12N112W TO
14N110W SW TO W WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST WITHIN 15N98W TO 15N102W TO 11N103W TO 09N101W
TO 10N99W TO 11N97W TO 15N98W SW TO W WINDS 20 TO 25 KT. SEAS 8
FT. WITHIN 13N108W TO 14N109W TO 13N110W TO 12N110W TO 12N108W
TO 13N108W SW TO W WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 16N97W TO 17N100W TO 14N103W TO 11N110W
TO 09N99W TO 12N96W TO 16N97W SW TO W WINDS 20 TO 30 KT. SEAS 8
TO 10 FT.

.WITHIN 12N138W TO 14N138W TO 14N140W TO 09N140W TO 10N139W TO
12N138W SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.30 HOUR FORECAST WITHIN 30N127W TO 30N130.5W TO 29.5N129.5W TO
29.5N128.5W TO 30N127W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N
TO NE SWELL.
.45 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 0940 UTC SUN SEP 22...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11N86W TO 13N99W TO 15N110W TO 11N130W TO
11N140W. SCATTERED MODERATE N OF 05N E OF 85W...FROM 11N TO 18N
BETWEEN 87W AND 116W...FROM 10N TO 12N BETWEEN 118W AND
135W...AND
FROM 08N TO 15N 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 22 2024.
24 HOUR FORECAST VALID 0600 UTC SEP 23 2024.
48 HOUR FORECAST VALID 0600 UTC SEP 24 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 11N141W 1007 MB MOVING W SLOWLY. WINDS 20 TO 25 KT FROM
08N TO 20N E OF 142W. SCATTERED MODERATE TSTMS WITHIN 150 NM OF
LOW.
.24 HOUR FORECAST LOW NEAR 11N142W 1010 MB. WINDS 20 TO 25 KT
FROM 13N TO 18N E OF 147W. SEAS 8 TO 10 FT FROM 12N TO 16N BETWEEN
146W AND 142W.
.48 HOUR FORECAST LOW NEAR 12N147W 1008 MB. WINDS 20 TO 30 KT
FROM 12N TO 18N FROM 150W TO 142W. SEAS 8 TO 10 FT FROM 12N TO 17N
BETWEEN 149W TO 144W.

.LOW NEAR 08N162W 1011 MB MOVING W 10 KT. ISOLATED MODERATE TSTMS
WITHIN 180 NM OF LOW.
.24 HOUR FORECAST LOW DISSIPATED.

.TROUGH 30N177E 25N174E 20N177E MOVING W SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 180 NM E OF TROUGH.
.24 HOUR FORECAST WEAKENING TROUGH 30N169E 23N170E.
.48 HOUR FORECAST TROUGH 28N163E 24N160E.

.TROUGH 19N178E 13N170E 14N160E MOVING SW SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 180 NM EITHER SIDE OF TROUGH.
.24 HOUR FORECAST TROUGH 18N172E 11N169E 13N160E.
.48 HOUR FORECAST TROUGH 16N166E 10N163E 05N163E.

.TROUGH 30N151W 24N148W MOVING W 10 KT. ISOLATED MODERATE TSTMS
WITHIN 120 NM W OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 19N TO 27N BETWEEN 179W
AND 170W.
.48 HOUR FORECAST WINDS FROM 20 TO 25 KT FROM 18N TO 28N BETWEEN
179W AND 168W...AND FROM 10N TO 15N BETWEEN 165W AND 162W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.48 HOUR FORECAST SEAS 8 TO 10 FT N OF LINE 30N176W 26N177E
20N179E 19N174W 26N174W 24N171W 30N160W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.MONSOON TROUGH 11N140W 08N148W 09N160W 06N167. ISOLATED MODERATE
TSTMS WITHIN 120 NM OF MONSOON TROUGH.



$$

.FORECASTER PIERCE. HONOLULU HI.