FZPN02 KWBC 192325
HSFEPI 2345
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC MON AUG 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
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 1800 UTC AUG 19.
24 HOUR FORECAST VALID 1800 UTC AUG 20.
48 HOUR FORECAST VALID 1800 UTC AUG 21.
.WARNINGS.
…STORM WARNING…
.LOW 51N171E 976 MB MOVING NE 20 KT. WITHIN 240 NM N AND 300 NM
SE QUADRANTS WINDS 40 TO 55 KT. SEAS 14 TO 32 FT…HIGHEST S
QUADRANT. ELSEWHERE WITHIN 420 NM NE…540 NM SE…600 NM SW AND
180 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 22 FT…HIGHEST
S QUADRANT.
.24 HOUR FORECAST LOW JUST W OF THE AREA 58N174E 964 MB. BETWEEN
60 NM AND 300 NM SE SEMICIRCLE WINDS 35 TO 50 KT. SEAS 10 TO 21
FT. ELSEWHERE WITHIN 720 NM NE…660 NM SE AND 900 NM SW
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW W OF AREA NEAR 64N172W 982 MB. WITHIN 180
NM NE…300 NM SE AND 540 NM SW QUADRANTS WINDS 30 TO 45 KT. SEAS
12 TO 24 FT…HIGHEST NEAR 63N171W. ELSEWHERE WITHIN 300 NM
NE…540 NM SE AND 660 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 8
TO 18 FT IN MIXED SWELL.
…GALE WARNING…
.LOW 61N147W 1006 MB MOVING SE 10 KT. BETWEEN 60 NM AND 240 NM W
AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE
WITHIN 360 NM SE…SW AND 420 NM W QUADRANTS WINDS 20 TO 30 KT.
SEAS TO 10 FT.
.24 HOUR FORECAST LOW 58N140W 1011 MB. WITHIN 360 NM S AND W
QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED. WITHIN 300 NM E OF A LINE FROM
45N134W TO 53N138W AREA OF NW WINDS TO 25 KT. SEAS LESS THAN 8
FT.
…GALE WARNING…
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 38N164E 1002 MB.
FROM 35N TO 40N BETWEEN 168E AND 173E WINDS 25 TO 35 KT. SEAS 8
TO 12 FT.
.SYNOPSIS AND FORECAST.
.LOW 49N168W 1016 MB MOVING NE 10 KT. WITHIN 300 NM NE…240 NM
SE AND 720 NM S QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT
.24 HOUR FORECAST LOW DISSIPATED. WITHIN AN AREA BOUNDED BY A
LINE FROM 44N167W TO 49N151W TO 50N167W TO 44N167W AREA OF SW
WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
.LOW 39N131W 1016 MB MOVING NE 10 KT. FROM 37N TO 40N BETWEEN
128W TO 132W WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.
.LOW 48N128W 1010 MB MOVING NE 05 KT. WITHIN 120 NM NE AND 240 SE
QUADRANTS WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 48N129W 1014 MB. WINDS LESS 25 KT. SEAS
LESS THAN 8 FT.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.
.WITHIN 90 NM N AND NE OF A LINE FROM 32N120W TO 36N123W AREA OF
NW WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST E OF A LINE FROM 32N123W TO 36N124W AREA OF NW
WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST E OF A LINE FROM 32N123W TO 40N125W AREA OF NW
WINDS TO 25 KT. SEAS TO 8 FT
.48 HOUR FORECAST FROM 30N TO 38N BETWEEN 152W AND 174W AREA OF E
WINDS TO 25 KT. SEAS TO 8 FT.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 50N
BETWEEN 162W AND 168W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 56N BETWEEN 163W AND 176W
AND FROM 48N TO 54N BETWEEN 153W AND 163W.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM N OF A LINE FROM
48N160W TO 44N174W AND FROM 48N TO 56N BETWEEN 150W AND 160W.
.VOLCANIC ASH EMISSIONS ARE CONTINUING FROM SHEVELUCH VOLCANO AT
POSITION 56.4N 161.2E NEAR THE CENTER OF KAMCHATKA ISLAND. TRACE
AMOUNTS OF ASHFALL MAY REACH THE SURFACE ACROSS THE WATERS
ADJOINING THE ALEUTIAN ISLANDS. IF MARINERS ENCOUNTER
VOLCANIC ASH OR FLOATING VOLCANIC DEBRIS PLEASE REPORT THE
OBSERVATION TO THE OCEAN PREDICTION CENTER BY CALLIN
