035
FZPN02 KWBC 211725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC SAT SEP 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 21.
24 HOUR FORECAST VALID 1200 UTC SEP 22.
48 HOUR FORECAST VALID 1200 UTC SEP 23.

.WARNINGS.

...STORM WARNING...
.LOW 48N170E 972 MB MOVING NE 40 KT. WITHIN 360 NM S AND SW
QUADRANTS WINDS 40 TO 55 KT. SEAS 18 TO 30 FT. ELSEWHERE WITHIN
840 NM SE...600 NM W AND SW...240 NM N...AND 420 NM NE QUADRANTS
WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.
.24 HOUR FORECAST LOW 52N166W 972 MB. WITHIN 420 NM SE AND 540 NM
SW QUADRANTS WINDS 35 TO 50 KT. SEAS 16 TO 28 FT. ELSEWHERE
WITHIN 960 NM S AND SE...780 NM W AND NW...AND 660 NM NE
QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.
.48 HOUR FORECAST LOW 56N151W 974 MB. WITHIN 480 NM N AND
NE...840 NM SE...AND 960 NM S AND SW QUADRANTS WINDS 25 TO 40 KT.
SEAS 12 TO 24 FT. ELSEWHERE WITHIN 720 NM W AND NW QUADRANTS
WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.LOW 56N138W 991 MB MOVING NE 10 KT. WITHIN 180 NM NW
SEMICIRCLE...540 NM S QUADRANT...AND 360 NM E QUADRANT WINDS 25
TO 35 KT. SEAS 9 TO 15 FT.
.24 HOUR FORECAST LOW 57N136W 1004 MB. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW DISSIPATED.

...GALE WARNING...
.LOW 53N179W 932 MB DRIFTING NW. WITHIN 420 NM N SEMICIRCLE WINDS
25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE WITHIN 420 NM SE QUADRANT
WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 52N166W.

...GALE WARNING...
.LOW 50N151W 1006 MB MOVING NE 30 KT. WITHIN 420 NM SE SEMICIRCLE
WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE WITHIN 240 NM E AND
SE OF A LINE FROM LOW CENTER TO 44N158W TO 41N165W WINDS 20 TO 30
KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 53N134W 1006 MB. WITHIN 480 NM S AND SE
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW DISSIPATED INLAND. CONDITIONS DIMINISHED.

...GALE WARNING...
.FROM 38N TO 42N E OF 127W WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
ELSEWHERE FROM 35N TO 44N BETWEEN 124W AND 129W WINDS 20 TO 30
KT. SEAS TO 10 FT.
.24 HOUR FORECAST FROM 32N TO 43N BETWEEN 124W AND 129W WINDS 20
TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST FROM 32N TO 43N BETWEEN 124W AND 129W WINDS 20
TO 30 KT. SEAS TO 11 FT.

...GALE WARNING...
.48 HOUR FORECAST LOW 42N160E 1002 MB. FROM 35N TO 46N W OF 172E
WINDS 25 TO 35 KT. SEAS TO 12 FT.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 51N
BETWEEN 138W AND 160W.
.24 HOUR FORECAST DENSE FOG FROM 46N TO 52N BETWEEN 142W AND
158W.
.48 HOUR FORECAST VSBY IMPROVED.

.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 SAT SEP 21.
24 HOUR FORECAST VALID 1200 UTC SUN SEP 22.
48 HOUR FORECAST VALID 1200 UTC MON SEP 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 14N108W TO 15N108W TO 15N110W TO 14N111W TO 13N111W TO
13N108W TO 14N108W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.
.24 HOUR FORECAST WITHIN 13N109W TO 15N112W TO 14N113W TO
12N113W TO 11N111W TO 12N109W TO 13N109W SW TO W WINDS 20 TO 25
KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST WITHIN 14N110W TO 14N111W TO 13N112W TO
11N112W TO 11N110W TO 14N110W SW TO W WINDS 20 TO 25 KT. SEAS 8
TO 9 FT. ELSEWHERE WITHIN 11N97W TO 13N105W TO 14N110W TO 11N109W
TO 10N105W TO 07N97W TO 11N97W WINDS 20 KT OR LESS. SEAS 8 TO
9 FT IN W SWELL.

.06 HOUR FORECAST WITHIN 12N137W TO 12N139W TO 12N140W TO
10N140W TO 10N138W TO 11N137W TO 12N137W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN SE TO S SWELL.
.18 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 1500 UTC SAT SEP 21...

.TROPICAL WAVE ALONG 109W...1006 MB LOW PRES IS WITHIN THE
WAVE...CENTERED NEAR 15N109W. SCATTERED MODERATE FROM 10N TO 17N
BETWEEN 107W AND 112W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 13N88W TO 1006 MB LOW PRES NEAR 13N109W TO
10N140W. SCATTERED MODERATE WITHIN 150 NM ON EITHER SIDE OF THE
BOUNDARY.

.FORECASTER ERA. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1200 UTC SEP 21 2024.
24 HOUR FORECAST VALID 1200 UTC SEP 22 2024.
48 HOUR FORECAST VALID 1200 UTC SEP 23 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 15N175E 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 30N180W 24N179W 18N179E 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 28N177E 20N177E.
.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 1009 MB MOVING W SLOWLY. ISOLATED MODERATE TSTMS
WITHIN 150 NM OF LOW.
.24 HOUR FORECAST LOW NEAR 09N162W 1009 MB.
.48 HOUR FORECAST LOW NEAR 09N167W 1008 MB.

.24 HOUR FORECAST NEW LOW NEAR 12N141W 1007 MB. WINDS 20 TO 25
KT WITHIN 150 NM OF LOW.
.48 HOUR FORECAST LOW NEAR 12N144W 1006 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.