FZPN02 KWBC 300525
HSFEPI 0545
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SEP 30.
24 HOUR FORECAST VALID 0000 UTC OCT 01.
48 HOUR FORECAST VALID 0000 UTC OCT 02.
.WARNINGS.
…HURRICANE FORCE WIND WARNING…
.LOW 47N154W 981 MB MOVING NE 25 KT. FROM 39N TO 49N BETWEEN 147W
AND 159W WINDS 35 TO 50 KT. SEAS 12 TO 29 FT…HIGHEST NEAR
42N155W. ELSEWHERE FROM 33N TO 52N BETWEEN 138W AND 166W WINDS 25
TO 35 KT. SEAS 8 TO 21 FT…HIGHEST NEAR 42N161W. ALSO S OF A
LINE FROM 47N166W TO 39N168E WINDS TO 25 KT. SEAS 8 TO 16
FT…HIGHEST E OF 176W.
.24 HOUR FORECAST LOW 55N145W 958 MB. BETWEEN 120 NM AND 300 NM
N…WITHIN 180 NM S…240 NM W QUADRANTS…AND WITHIN 120 NM NE
OF FRONT FROM 57N141W TO 54N133W TO 52N131W WINDS 50 TO 65 KT.
SEAS 20 TO 40 FT. ELSEWHERE WITHIN 360 NM OF CENTER EXCEPT 240 NM
E QUADRANT…AND 180 NM NE AND E OF FRONT FROM 57N141W TO 54N133W
TO 52N131W TO 50N130W WINDS 40 TO 50 KT. SEAS 12 TO 25 FT. ALSO
FROM 42N TO 60N BETWEEN 127W AND 165W WINDS 25 TO 40 KT. SEAS 8
TO 20 FT…EXCEPT FROM 46N TO 55N BETWEEN 135W AND 151W SEAS 13
TO 26 FT. OTHERWISE…EXCEPT WHERE DESCRIBED BELOW…WITHIN THE
AREA BOUNDED BY 43N137W TO 34N149W TO 43N169W TO 43N137W WINDS
LESS THAN 25 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW 55N138W 982 MB. WITHIN 180 NM N QUADRANT
AND 240 NM SW SEMICIRCLE WINDS 40 TO 55 KT. SEAS 16 TO 33 FT.
ELSEWHERE N OF 46N BETWEEN 128W AND 156W WINDS 25 TO 40 KT. SEAS
12 TO 25 FT. ALSO N OF A LINE FROM 49N161W TO 42N145W TO 42N124W
WINDS LESS THAN 25 KT. SEAS 8 TO 15 FT.
…GALE WARNING…
.FROM 32N TO 43N BETWEEN 121W AND 129W AREA OF N WINDS 25 TO 35
KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST FROM 30N TO 45N BETWEEN 123W AND 131W AREA OF
N WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST WITHIN 240 NM SE OF A LINE FROM 44N125W TO
34N136W AREA OF N TO NE WINDS 20 TO 30 KT. SEAS TO 12 FT.
…GALE WARNING…
.NW OF A LINE FROM 47N160E TO 54N173E W TO SW WINDS 20 TO 30 KT.
SEAS TO 8 FT.
.24 HOUR FORECAST NEW LOW 57N176E 993 MB. FROM 44N TO 60N W OF
171W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 55N164W 1010 MB. WITHIN 360 NM SE OF A LINE
FROM 55N163W TO 45N174W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
…GALE WARNING…
.24 HOUR FORECAST NEW LOW 34N168W 1012 MB. WITHIN 360 NM N
SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE FROM 32N
TO 40N BETWEEN 152W AND 176E WINDS 20 T
