FZPN02 KWBC 302325
HSFEPI 2345
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC MON SEP 30 2024
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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
[email protected](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 1800 UTC SEP 30.
24 HOUR FORECAST VALID 1800 UTC OCT 01.
48 HOUR FORECAST VALID 1800 UTC OCT 02.
.WARNINGS.
…HURRICANE FORCE WIND WARNING…
.LOW 53N147W 966 MB MOVING NE 15 KT. WITHIN 120 NM W…180 NM
N…360 NM NE…480 NM E…300 NM SE…AND 240 NM S QUADRANTS
WINDS 45 TO 60 KT. SEAS 10 TO 30 FT…HIGHEST NEAR 50N143W.
ELSEWHERE WITHIN 480 NM NE…660 NM E…600 NM SE…420 NM
S…240 NM W…420 NM N QUADRANTS WINDS 30 TO 45 KT. SEAS 9 TO 27
FT…HIGHEST SE OF CENTER. ALSO N OF A LINE FROM 32N160W TO
41N140W TO 48N127W…AND FROM 40N TO THE ALEUTIANS BETWEEN 160W
AND 168W WINDS 20 TO 30 KT. SEAS 9 TO 19 FT…HIGHEST S OF
CENTER.
.06 HOUR FORECAST LOW 55N144W 957 MB. WITHIN 180 NM S
SEMICIRCLE…AND WITHIN 120 NM N OF A LINE FROM 57N138W TO
56N144W TO 55N148W WINDS 55 TO 70 KT. SEAS 18 TO 38 FT…HIGHEST
S OF CENTER.
.24 HOUR FORECAST LOW 55N139W 975 MB. WITHIN 150 NM N…180 NM
E… 240 NM S…AND 150 NM W QUADRANTS WINDS 40 TO 55 KT. SEAS 20
TO 32 FT…HIGHEST SE OF CENTER. ELSEWHERE WITHIN 480 NM S…AND
300 NM N SEMICIRCLES WINDS 30 TO 45 KT. SEAS 15 TO 30 FT. ALSO N
OF 45N BETWEEN 125W AND 160W WINDS 20 TO 30 KT. SEAS 9 TO 18 FT.
.48 HOUR FORECAST LOW 53N129W 1012 MB. WITHIN 480 NM SW
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 9 TO 21 FT…HIGHEST WITHIN
240 NM SW SEMICIRCLE.
…GALE WARNING…
.LOW NW OF AREA NEAR 58N172E 994 MB MOVING SE 20 KT. WITHIN 420
NM E…660 NM SE AND 780 NM S QUADRANTS WINDS 25 TO 35 KT. SEAS 8
TO 12 FT.
.24 HOUR FORECAST LOW 57N175W 1005 MB. WITHIN 180 NM N…360 NM
E…AND 720 NM SE AND QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 12
FT.
.48 HOUR FORECAST LOW 55N154W 1005 MB. FROM 45N TO 57N BETWEEN
144W AND 160W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
…GALE WARNING…
.LOW 34N167W 1011 MB MOVING NE 05 KT. FROM 30N TO 40N BETWEEN
160W AND 180W WINDS TO 25 KT. SEAS TO 11 FT.
.12 HOUR FORECAST LOW 33N168W 1012 MB. WITHIN 360 NM NW QUADRANT
WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW 35N166W 1014 MB. WITHIN AN AREA BOUNDED BY
A LINE FROM LOW TO 40N142W TO 42N142W TO 42N160W TO 30N163E TO
30N175W TO LOW WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW 34N164W 1017 MB. FROM 30N TO 37N BETWEEN
170W AND 160E…AND 420 NM NW SEMICIRCLE WINDS 20 TO 30 KT. SEAS
8 TO 14 FT.
…GALE WARNING…
.FROM 31N TO 45N BETWEEN 123W AND 130W AREA OF N WINDS 20 TO 30
KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST FROM 31N TO 43N BETWEEN 124W AND 133W AREA OF N
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST WITHIN 420 NM NW AND N OF A LINE FROM 38N123W
TO 30N136W AREA OF NE WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
…GALE WARNING…
.48 HOUR FORECAST POST-TROPICAL CYCLONE JEBI NEAR 49N160E 1002
MB. WITHIN 180 NM SE QUADRANT WINDS 30 TO 45 KT. SEAS 8 TO 13 FT.
ELSEWHERE FROM 40N TO 51N W OF 175E WINDS 20 TO 30 KT. SEAS TO 9
FT.
.SYNOPSIS AND FORECAST.
.24 HOUR FORECAST LOW 59N164E 994 MB. FROM 45N TO 55N W OF
180W…AND FROM 35N TO 44N W OF 165E WINDS 20 TO 30 KT. SEAS 8 TO
13 FT…HIGHEST NEAR 52N166E.
.48 HOUR FORECAST LOW 58N173W 1003 MB. FROM 45N TO 63N BETWEEN
164W AND 175E WINDS 20 TO 30 KT. SEAS TO 11 FT.
.DENSE FOG. 48 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM W
OF A LINE FROM 42N165E TO 49N172W TO 52N172W.
.FORECASTER EHRBAR. 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 1800 UTC MON SEP 30.
24 HOUR FORECAST VALID 1800 UTC TUE OCT 1.
48 HOUR FORECAST VALID 1800 UTC WED OCT 2.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 13N100W TO 12N109W TO 11N110W TO 10N108W TO 10N104W TO
11N99W TO 13N100W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 9 FT IN
MIXED W AND NW SWELL.
.24 HOUR FORECAST LOW PRES NEAR 14N100W 1009 MB. WITHIN 14N93W
TO 13N96W TO 14N99W TO 13N100W TO 12N94W TO 14N93W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN MIXED W AND NW SWELL.
.48 HOUR FORECAST LOW PRES NEAR 13.5N100W 1006 MB. WITHIN 14N99W
TO 13N101W TO 12N101W TO 12N100W TO 12N99W TO 14N99W WINDS 20 TO
25 KT. SEAS 8 TO 9 FT IN W TO NW SWELL. SECOND LOW PRES NEAR
14.5N94W 1007 MB. WITHIN 14N93W TO 14N94W TO 13N94W TO 12N93W TO
13N93W TO 14N93W SW TO W WINDS 20 TO 25 KT. SEAS TO 8 FT IN W
SWELL.
.WITHIN 30N123W TO 30N130W TO 29N128.5W TO 29N126W TO 29.5N123.5W
TO 30N123W WINDS 20 KT OR LESS. SEAS 8 FT IN N SWELL.
.24 HOUR FORECAST WITHIN 30N126W TO 30N133W TO 29N132W TO
29N131W TO 29N128W TO 29N126W TO 30N126W WINDS 20 KT OR LESS.
SEAS 8 FT IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 30N132W TO 30N140W TO 28N140W TO
28N136W TO 29N133W TO 30N132W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN NE SWELL.
.WITHIN 23N118W TO 21N117W TO 23N118W WINDS 20 KT OR LESS. SEAS
8 FT IN NW TO N SWELL.
.12 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 2000 UTC MON SEP 30…
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH…
MONSOON TROUGH EXTENDS FROM 10N75W TO 09.5N79W TO 16N101W TO LOW
PRES NEAR 12.5N129.5W 1011 MB TO 10.5N132W. ITCZ BEGINS FROM
10.5N132W TO BEYOND 10N140W. SCATTERED MODERATE TO STRONG
C
