FZPN02 KWBC 211725
HSFEPI 1745
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC SAT SEP 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 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
