FZPN02 KWBC 161125
HSFEPI 1145
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC WED OCT 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC OCT 16.
24 HOUR FORECAST VALID 0600 UTC OCT 17.
48 HOUR FORECAST VALID 0600 UTC OCT 18.
.WARNINGS.
…GALE WARNING…
.COMPLEX LOW WITH MAIN LOW 35N180W 1010 MB MOVING NE 35 KT.
WITHIN 300 NM W AND NW OF A FRONT FROM 36N174W TO THE LOW TO
30N170E WINDS 25 TO 35 KT. SEAS 8 TO 17 FT…HIGHEST NEAR
31N166W. ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE FROM 30N170E
TO 37N171W TO 38N167E TO 34N160E TO 30N160E TO 30N170E WINDS 20
TO 30 KT. SEAS 8 TO 14 FT IN MIXED SWELL.
.24 HOUR FORECAST LOW 42N163W 1005 MB. WITHIN 120 NM NE…240 NM
SE AND 420 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
ELSEWHERE FROM 33N TO 44N BETWEEN 157W AND 177W AND S OF A LINE
FROM 35N177W TO 32N163E WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 50N153W 987 MB AND
SECOND LOW 52N147W 991 MB. WITHIN 360 NM NE…540 NM SE QUADRANTS
OF SECOND LOW AND WITHIN 300 NM NE…720 NM SE…840 NM S AND 540
NM NW QUADRANTS OF MAIN LOW WINDS 25 TO 40 KT. SEAS 9 TO 18
FT…HIGHEST SE QUADRANT OF MAIN LOW. ELSEWHERE FROM 37N TO 58N
BETWEEN 160W AND 132W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
…GALE WARNING…
.LOW 51N171W 998 MB MOVING NE 05 KT. WITHIN 120 NM W AND NW OF A
FRONT FROM THE LOW TO 52N168W TO 52N164W WINDS 30 TO 40 KT. SEAS
9 TO 16 FT. ELSEWHERE WITHIN 540 NM NE…480 NM SE…900 NM
SW…600 NM W AND 420 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 8
TO 14 FT…HIGHEST SW QUADRANT.
.24 HOUR FORECAST LOW 51N167W 1003 MB. WITHIN 120 NM SE AND 540
NM SW QUADRANTS AND WITHIN 420 NM NW SEMICIRCLE WINDS 20 TO 30
KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 47N167W 1005 MB. WITHIN 300 NM SE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM 41N
TO 60N BETWEEN 160W AND 174W WINDS TO 25 KT. SEAS 8 TO 12
FT…EXCEPT LESS THAN 8 FT N OF THE ALEUTIAN ISLANDS.
…GALE WARNING…
.LOW 43N160W 1008 MB MOVING NE 15 KT. WITHIN 180 NM NE AND 240 NM
SE QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM
38N TO 45N BETWEEN 153W AND 163W WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 45N152W 1014 MB. WITHIN 120 NM NE AND E OF
A LINE FROM 46N153W TO 44N147W AND WITHIN 120 NM E AND SE OF LINE
FROM 44N147W TO 41N148W WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED ABOVE
WITH LOW 50N153W.
…GALE WARNING…
.LOW 52N141W 1004 MB MOVING SE 25 KT. WITHIN 90 NM E OF A LINE
FROM 54N133W TO 51N131W…WITHIN 300 NM SW QUADRANT AND FROM 45N
TO 51N BETWEEN 126W AND 140W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.06 HOUR FORECAST LOW 52N135W 1008 MB. WITHIN 300 NM SW
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW 49N126W 1011 MB. FROM 45N TO 55N E OF 137W
AND FROM 55N TO 58N BETWEEN 136W AND 153W WINDS 20 TO 30 KT.
SEAS 8 TO 13 FT…HIGHEST NEAR 48N128W.
.48 HOUR FORECAST LOW ABSORBED AND CONDITIONS DESCRIBED ABOVE
WITH LOW 52N147W.
…GALE WARNING…
.FROM 32N TO 36N BETWEEN 120W AND 123W AREA OF NW WINDS TO 25 KT.
SEAS TO 10 FT IN NW SWELL.
.24 HOUR FORECAST WITHIN 180 NM E OF A LINE FROM 32N122W TO
42N128W AREA OF NW WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST E OF A LINE FROM 31N123W TO 40N127W AREA OF NW
WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. ELSEWHERE FROM 30N TO 42N E
OF 130W AND FROM 30N TO 33N BETWEEN 130W AND 137W AREA OF N WINDS
TO 25 KT. SEAS TO 12 FT IN SWELL.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 90 NM N AND
NE OF A LINE FROM 51N173W TO 53N164W.
.24 HOUR FORECAST DENSE FOG N OF 64N W OF ALASKA.
.48 HOUR FORECAST DENSE FOG FROM 46N TO 52N BETWEEN 141W AND
152W.
.FORECASTER FUTTERMAN. OCEAN PREDICTION
