895
FZPN02 KWBC 150525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC SUN SEP 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

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 15.
24 HOUR FORECAST VALID 0000 UTC SEP 16.
48 HOUR FORECAST VALID 0000 UTC SEP 17.

.WARNINGS.

...GALE WARNING...
.LOW 62N167W 982 MB MOVING NE 15 KT. WITHIN 240 NM NE...360 NM
SE QUADRANTS AND WITHIN 240 NM SE OF A LINE FROM 58N156W TO
48N170W TO 42N180W WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. ELSEWHERE
WITHIN 420 NM SE OF A LINE FROM 58N156W TO 48N170W WINDS TO 25
KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 63N164W 983 MB. WITHIN 480 NM S QUADRANT
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE N OF 53N BETWEEN
144W AND 172W AND WITHIN 120 NM SE OF A LINE FROM 53N153W TO
44N170W WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW INLAND. FROM 54N TO 59N BETWEEN 145W AND
155W AREA OF W WINDS TO 25 KT. SEAS TO 8 FT.

...GALE WARNING...
.18 HOUR FORECAST LOW 45N160E 1000 MB. WITHIN 360 NM SE QUADRANT
WINDS 25 TO 35 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 46N166E 997 MB. W OF A LINE FROM 47N176E
TO 41N172E TO 37N162E WINDS 25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 53N179E 988 MB. FROM 47N TO 55N BETWEEN
168W AND 176E WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM
40N TO 56N BETWEEN 168W AND 172E AND N OF 44N W OF 172E WINDS TO
25 KT. SEAS TO 10 FT.

.SYNOPSIS AND FORECAST.

.FROM 36N TO 40N BETWEEN 122W AND 126W AREA OF N WINDS TO 25 KT.
SEAS TO 9 FT.
.24 HOUR FORECAST FROM 37N TO 42N BETWEEN 123W AND 127W AREA OF
N WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 36N TO 45N BETWEEN 122W AND 130W AREA OF
N WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.LOW 61N178W 985 MB MOVING E 30 KT. WITHIN 360 NM S OF A LINE
FROM 59N167W TO 52N160E WINDS 20 TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 63N164W
DESCRIBED ABOVE.

.48 HOUR FORECAST NEW LOW 53N135W 1006 MB. WITHIN 360 NM S OF A
LINE FROM LOW TO 48N151W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 50N TO 60N
BETWEEN 150W AND 164W.
.24 HOUR FORECAST DENSE FOG N OF 57N BETWEEN 134W AND 140W AND
FROM 43N TO 48N W OF 174E.
.48 HOUR FORECAST DENSE FOG FROM 44N TO 54N BETWEEN 171W AND
178W.

.FORECASTER KREKELER. OCEAN PREDICTION CENTER.

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 SUN SEP 15.
24 HOUR FORECAST VALID 0000 UTC MON SEP 16.
48 HOUR FORECAST VALID 0000 UTC TUE SEP 17.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ILEANA NEAR 25.5N 109.0W 1000 MB AT 0300 UTC SEP
15 MOVING N OR 360 DEG AT 2 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM E
SEMICIRCLE...0 NM SW QUADRANT AND 30 NM NW QUADRANT. WITHIN
25.5N108.5W TO 25.5N109W TO 25.5N109.5W TO 25N109W TO
25N108.5W TO 25.5N108.5W...INCLUDING THE GULF OF CALIFORNIA...
WINDS 20 TO 33 KT. SEAS TO 9 FT.
.12 HOUR FORECAST POST-TROPICAL ILEANA NEAR 25.7N 109.2W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW ILEANA NEAR 26.4N
109.9W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN
26.5N109.5W TO 27N110W TO 26.5N110W TO 26N109.5W TO
26.5N109.5W...INCLUDING THE GULF OF CALIFORNIA...WINDS 20 TO 30
KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW ILEANA NEAR 27.4N
110.8W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 45 NM
OF CENTER WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST...DISSIPATED. WINDS 20 KT OR LESS. SEAS LESS
THAN 8 FT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.12 HOUR FORECAST WITHIN 14N138W TO 14N140W TO 13N140W TO
12N140W TO 12N138W TO 13N138W TO 14N138W WINDS 20 KT OR LESS.
SEAS 8 FT IN NE SWELL.
.24 HOUR FORECAST WITHIN 14N135W TO 15N140W TO 12N140W TO
13N137W TO 14N135W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.
.48 HOUR FORECAST WITHIN 17N139W TO 17N140W TO 15N140W TO
15N139W TO 17N139W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.

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

CONVECTION VALID AT 0220 UTC SUN SEP 15...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM NEAR 10N74W TO LOW PRES 1008 MB NEAR
08.5N80W TO 10N86W TO 10.5N99W TO 06.5N110W...THEN RESUMES FROM
LOW PRES 1010 MB NEAR 16.5N124W TO 10.5N137W TO BEYOND 11N140W.
SCATTERED MODERATE ISOLATED STRONG CONVECTION WITHIN 180 NM OF
THE COASTS BETWEEN 81W AND 100W...AND FROM 06N TO 11N BETWEEN
93W AND 113W. SCATTERED MODERATE CONVECTION FROM 11N TO 15N
BETWEEN 127W AND 137W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 0000 UTC SEP 15 2024.
24 HOUR FORECAST VALID 0000 UTC SEP 16 2024.
48 HOUR FORECAST VALID 0000 UTC SEP 17 2024.

.WARNINGS.



.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N164W 25N166W MOVING W 10 KT. ISOLATED MODERATE TSTMS
WITHIN 180 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH 30N170W TO 27N171W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 30N174E 25N174E MOVING W 15 KT. SCATTERED MODERATE TSTMS
WITHIN 210 NM E OF TROUGH AND 120 NM W OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 TO 25 KT FROM 11N TO 16N BETWEEN 176W AND 152W.
.24 HOUR FORECAST WINDS 20 TO 30 KT FROM 11N TO 17N E OF
156W...AND FROM 10N TO 15N BETWEEN 170W AND 162W.
.48 HOUR FORECAST WINDS 20 TO 30 KT FROM 11N TO 20N E OF 164W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 11 FT FROM 10N TO 16N BETWEEN 165W AND 149W.
.24 HOUR FORECAST SEAS 8 TO 10 FT FROM 10N TO 15N BETWEEN 169W
AND 158W. SEAS 8 TO 9 FT FROM 11N AND 17N E OF 150W.
.48 HOUR FORECAST SEAS 8 TO 10 FT FROM 10N TO 19N E OF 156W. SEAS
8 TO 9 FT FROM 11N TO 15N BETWEEN 175W AND 170W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.MONSOON TROUGH 11N140W 12N148W 10N154W. ITCZ 10N156W 09N170W
08N179W 10N165E. SCATTERED MODERATE TSTMS WITHIN 180 NM OF EITHER
SIDE OF TROUGH W OF 179E. ISOLATED MODERATE TSTMS WITHIN 120 NM
ELSEWHERE ALONG ITCZ AND TROUGH W OF 148W.

.ISOLATED MODERATE TSTMS FROM 11N TO 16N BETWEEN 178W AND 174W.

$$

.FORECASTER PIERCE. HONOLULU HI.