FZPN02 KWBC 201725
HSFEPI 1745
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC FRI SEP 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 20.
24 HOUR FORECAST VALID 1200 UTC SEP 21.
48 HOUR FORECAST VALID 1200 UTC SEP 22.
.WARNINGS.
…STORM WARNING…
.06 HOUR FORECAST LOW 47N156E 984 MB. FROM 35N TO 48N W OF 166E
WINDS 25 TO 35 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 49N169E 972 MB. WITHIN 360 NM S AND SW
QUADRANTS WINDS 40 TO 55 KT. SEAS 15 TO 31 FT. ELSEWHERE FROM 35N
TO 54N W OF 173W WINDS 25 TO 40 KT. SEAS 8 TO 22 FT…HIGHEST
FROM 42N TO 49N W OF 171E.
48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 52N169W 972
MB. WITHIN 480 NM S AND SW QUADRANTS WINDS 40 TO 50 KT. SEAS 16
TO 29 FT. ELSEWHERE FROM 37N TO 63N BETWEEN 145W AND 170E WINDS
25 TO 40 KT. SEAS 8 TO 16 FT…EXCEPT FROM 40N TO 51N BETWEEN
155W AND 173E SEAS 15 TO 25 FT. ALSO N OF 34N W OF 170E WINDS
LESS THAN 2
