479
FZPN02 KWBC 221725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SEP 22.
24 HOUR FORECAST VALID 1200 UTC SEP 23.
48 HOUR FORECAST VALID 1200 UTC SEP 24.

.WARNINGS.

...STORM WARNING...
.LOW 52N165W 972 MB MOVING NE 25 KT. WITHIN 480 NM SE AND 600 NM
SW QUADRANTS WINDS 40 TO 50 KT. SEAS 14 TO 27 FT. ELSEWHERE
WITHIN 960 NM S SEMICIRCLE...660 NM NW QUADRANT...AND 600 NM NE
QUADRANT WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.
.12 HOUR FORECAST LOW 55N157W 969 MB. WITHIN 120 NM N AND NW OF A
LINE FROM 57N153W TO 57N150W TO 56N144W WINDS 35 TO 50 KT. SEAS 8
TO 16 FT.
.24 HOUR FORECAST LOW 57N150W 975 MB. WITHIN 960 NM SE...1020 NM
SW...AND 420 NM NE QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 24 FT.
ELSEWHERE WITHIN 720 NM NW QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO
14 FT.
.48 HOUR FORECAST LOW 59N145W 984 MB. WITHIN 840 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS 9 TO 18 FT. ELSEWHERE WITHIN 720 NM NW
AND 540 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS 10 TO 18
FT...EXCEPT IN NW QUADRANT TO 11 FT.

...GALE WARNING...
.12 HOUR FORECAST LOW W OF AREA 40N154E 1000 MB. BETWEEN 45N AND
A LINE FROM 36N160E TO 39N170E WINDS 25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 43N162E 1003 MB. BETWEEN 47N AND A LINE
FROM 34N160E TO 41N173E WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW 45N180W 1000 MB. FROM 38N TO 49N BETWEEN
165W AND 167E WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE
WITHIN 240 NM N AND NW OF A LINE FROM 40N167E TO 36N160E WINDS 20
TO 30 KT. SEAS TO 12 FT.

.SYNOPSIS AND FORECAST.

.LOW 54N131W 1005 MB MOVING NE 10 KT. WITHIN 420 NM S AND SE
QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND. CONDITIONS DIMINISHED.

.FROM 33N TO 43N BETWEEN 124W AND 129W WINDS 20 TO 30 KT. SEAS
TO
11 FT.
.24 HOUR FORECAST FROM 32N TO 43N BETWEEN 124W AND 130W WINDS 20
TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST FROM 32N TO 45N BETWEEN 124W AND 132W WINDS TO
30 KT. SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 51N
BETWEEN 140W AND 160W.
.24 HOUR FORECAST DENSE FOG FROM 41N TO 44N W OF 170E.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 47N BETWEEN 170W AND
170E.

.FORECASTER ACHORN. 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 SUN SEP 22.
24 HOUR FORECAST VALID 1200 UTC MON SEP 23.
48 HOUR FORECAST VALID 1200 UTC TUE SEP 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 13.5N98W 1005 MB. WITHIN 13N110W TO 14N110W TO
14N111W TO 13N112W TO 12N112W TO 12N111W TO 13N110W WINDS 20 TO
25 KT. SEAS 8 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
14N98W 1004 MB. WITHIN 15N97W TO 17N99W TO 16N101W TO 14N101W TO
11N100W TO 12N97W TO 15N97W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
WITHIN 13N101W TO 12N104W TO 14N108W TO 11N110W TO 11N104W TO
10N99W TO 13N101W SW TO W WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
15.5N98W 1002 MB. WITHIN 16N97W TO 17N101W TO 12N108W TO 10N106W
TO 10N98W TO 12N96W TO 16N97W SW TO W WINDS 20 TO 30 KT. SEAS 8
TO 12 FT.

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

.24 HOUR FORECAST WITHIN 30N127.5W TO 30N131W TO 29.5N130.5W TO
29N129.5W TO 29N128.5W TO 30N127.5W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN N TO NE SWELL.
.42 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 1530 UTC SUN SEP 22...

.LOW PRES NEAR 13.5N98W...SCATTERED MODERATE FROM 10N TO 16N
BETWEEN 96W AND 102W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 12N86W TO 1005 MB LOW PRES NEAR 14N98W TO
1007 PRES MB LOW NEAR 14N113W TO 11N140W. SCATTERED MODERATE
FROM 12N TO 19N BETWEEN 96W AND 115W...FROM 09N TO 12N BETWEEN
121W AND 131W...AND FROM 09N TO 19N AND W OF 135W.

.FORECASTER ERA. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1200 UTC SEP 22 2024.
24 HOUR FORECAST VALID 1200 UTC SEP 23 2024.
48 HOUR FORECAST VALID 1200 UTC SEP 24 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 11N141W 1008 MB MOVING W SLOWLY. WINDS 20 TO 25 KT FROM
09N TO 15N E OF 142W. SEAS 8 TO 9 FT FROM 09N TO 15N E OF 143W.
SCATTERED MODERATE TSTMS WITHIN 150 NM OF LOW.
.24 HOUR FORECAST LOW NEAR 11N144W 1008 MB. WINDS 20 TO 25 KT
FROM 12N TO 16N BETWEEN 145W AND 141W. SEAS 8 TO 10 FT FROM 12N TO
16N BETWEEN 147W AND 141W.
.48 HOUR FORECAST LOW NEAR 12N147W 1007 MB. WINDS 20 TO 30 KT
FROM 12N TO 19N FROM 149W TO 143W. SEAS 8 TO 10 FT FROM 14N TO 18N
BETWEEN 150W TO 144W.

.LOW NEAR 08N162W 1008 MB MOVING NW SLOWLY. ISOLATED MODERATE
TSTMS
WITHIN 180 NM OF LOW.
.24 HOUR FORECAST LOW NEAR 10N166W 1008 MB.
.48 HOUR FORECAST LOW NEAR 12N165W 1005 MB. WINDS 20 TO 25 KT IN
AREA
BOUNDED BY 14N165W 16N166W 15N163W 09N165W 07N171W 08N171W 13N164W
14N165W.

.TROUGH 30N175E 22N175E MOVING W SLOWLY. SCATTERED TO NUMEROUS
MODERATE TSTMS WITHIN 180 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 20N178E 13N172E 10N161E MOVING SW SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 180 NM N OF TROUGH...AND 60 NM S OF TROUGH.
.24 HOUR FORECAST TROUGH 16N170E 10N166E 01N161E.
.48 HOUR FORECAST TROUGH 13N163E 02N162E.

.24 HOUR FORECAST WINDS FROM 20 TO 25 KT FROM 17N TO 27N BETWEEN
176E AND 170W.
.48 HOUR FORECAST WINDS FROM 20 TO 25 KT FROM 18N
TO 28N BETWEEN 177E AND 168W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.24 HOUR FORECAST SEAS 8 TO 9 FT N OF 27N BETWEEN 168E AND 176W.
.48 HOUR FORECAST SEAS 8 TO 10 FT N OF LINE 30N173W 26N178E
20N178E 17N177W 20N172W 22N171W 30N156W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.MONSOON TROUGH 11N140W 10N150W 10N160W 06N167W. ISOLATED
MODERATE TSTMS WITHIN 180 NM OF MONSOON TROUGH.


$$

.FORECASTER PIERCE. HONOLULU HI.