FZPN02 KWBC 210525
HSFEPI 0545
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SEP 21.
24 HOUR FORECAST VALID 0000 UTC SEP 22.
48 HOUR FORECAST VALID 0000 UTC SEP 23.
.WARNINGS.
…HURRICANE FORCE WIND WARNING…
.LOW 48N160E 973 MB MOVING E 35 KT. WITHIN 600 NM SE QUADRANT
WINDS 40 TO 50 KT. SEAS 12 TO 18 FT. ELSEWHERE FROM 35N TO 50N W
OF 171E WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.06 HOUR FORECAST LOW 48N165E 972 MB. WITHIN 240 NM SW SEMICIRCLE
WINDS 55 TO 65 KT. SEAS 22 TO 32 FT. ELSEWHERE FROM 35N TO 52N W
OF 177E WINDS 25 TO 40 KT. SEAS 12 TO 18 FT.
.18 HOUR FORECAST LOW 49N175E 973 MB. WITHIN 420 NM S SEMICIRCLE
AND FROM 40N TO 47N BETWEEN 168W AND 179W WINDS 35 TO 50 KT. SEAS
20 TO 30 FT. ELSEWHERE W OF A LINE FROM 43N160E TO 36N180W TO
42N162W TO 53N179E TO 56N167W TO 61N176W WINDS 20 TO 30 KT. SEAS
10 TO 15 FT.
.24 HOUR FORECAST LOW 50N179W 975 MB. WITHIN 480 NM S SEMICIRCLE
AND WITHIN 300 NM SE OF A LINE FROM 48N166W TO 41N177W WINDS 35
TO 45 KT. SEAS 20 TO 33 FT…HIGHEST SW OF CENTER. ELSEWHERE
WITHIN 600 NM N SEMICIRCLE AND FROM 37N TO 53N BETWEEN 1
