FZPN02 KWBC 042325
HSFEPI 2345
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC FRI OCT 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 04.
24 HOUR FORECAST VALID 1800 UTC OCT 05.
48 HOUR FORECAST VALID 1800 UTC OCT 06.
.WARNINGS.
…STORM WARNING…
.COMPLEX LOW WITH FIRST CENTER 59N168W 957 MB MOVING SE 05 KT AND
SECOND CENTER 58N154W 976 MB MOVING NE 10 KT. WITHIN 540 NM S AND
420 NM W QUADRANTS OF FIRST CENTER…AND WITHIN 180 NM NE
SEMICIRCLE OF SECOND CENTER WINDS 40 TO 50 KT. SEAS 20 TO 40
FT…EXCEPT SEAS 8 TO 15 FT WITH SECOND CENTER. ELSEWHERE N OF A
LINE FROM 47N139W TO 41N160W TO 50N160E WINDS 25 TO 40 KT. SEAS 8
TO 24 FT IN MIXED SWELL.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 58N164W 968 MB
AND NEW SECOND CENTER 52N161W 984 MB. WITHIN 420 NM S AND 540 NM
W QUADRANTS OF SECOND LOW…AND N OF 62N BETWEEN 167W AND 174W
WINDS 35 TO 45 KT. SEAS 11 TO 22 FT. ELSEWHERE N OF A LINE FROM
54N134W TO 40N167W TO 55N171E WINDS 25 TO 35 KT. SEAS 9 TO 21 FT
IN MIXED SWELL.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 55N150W 974 MB
AND NEW SECOND CENTER 56N140W 983 MB. WITHIN 240 NM NE AND 480 NM
E QUADRANTS WINDS 35 TO 45 KT. SEAS 9 TO 18 FT. ELSEWHERE N OF A
LINE FROM 49N127W TO 43N164W TO 50N179W TO 58N177E…AND WITHIN
180 NM E OF A FRONT TO EXTEND FROM 48N137W TO 40N142W WINDS 25 TO
35 KT. SEAS 9 TO 18 FT IN MIXED SWELL.
…GALE WARNING…
.LOW 52N128W 1000 MB MOVING NE 15 KT. WITHIN 60 NM SW SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM 45N TO 53N
BETWEEN 126W AND 134W WINDS TO 25 KT. SEAS 8 TO 13 FT IN MIXED
SWELL.
.12 HOUR FORECAST LOW DISSIPATED INLAND. ASSOCIATED CONDITIONS
DIMINISHED.
.SYNOPSIS AND FORECAST.
.S OF A LINE FROM 30N174W TO 35N160E AREA OF NE TO E WINDS TO 25
KT. SEAS TO 11 FT.
.24 HOUR FORECAST S OF A LINE FROM 30N169E TO 34N160E WINDS LESS
THAN 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
.24 HOUR FORECAST LOW 47N162E 1011 MB. FROM 42N TO 49N BETWEEN
160E AND 169E WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW 46N169E 1014 MB. FROM 44N TO 49N BETWEEN
163E AND 177E WINDS 20 TO 30 KT. SEAS TO 10 FT.
.DENSE FOG. VSBY OCCASIONALLY LESS TH
