FZPN02 KWBC 180525
HSFEPI 0545
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC SUN AUG 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC AUG 18.
24 HOUR FORECAST VALID 0000 UTC AUG 19.
48 HOUR FORECAST VALID 0000 UTC AUG 20.
.WARNINGS.
…STORM WARNING…
.24 HOUR FORECAST POST-TROPICAL AMPIL NEAR 44N164E 970 MB. WITHIN
240 NM NE…300 NM SE…240 NM SW…AND 180 NM NW QUADRANTS WINDS
35 TO 50 KT. SEAS 9 TO 35 FT…HIGHEST S AND SW OF CENTER.
ELSEWHERE WITHIN 420 NM NE AND SE…300 NM SW…AND 240 NM NW
QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 27 FT…HIGHEST S OF
CENTER. ALSO FROM 33N TO 49N W OF 172E WINDS 20 TO 30 KT. SEAS 9
TO 24 FT…HIGHEST S OF CENTER.
.48 HOUR FORECAST POST-TROPICAL AMPIL NEAR 53N173E 976 MB. FROM
49N TO 56N BETWEEN 178W AND 172E WINDS 35 TO 50 KT. SEAS 9 TO 20
FT…EXCEPT SEAS TO 12 FT N OF THE ALEUTIANS. ELSEWHERE FROM 45N
TO 58N W OF 174W WINDS 25 TO 35 KT. SEAS 9 TO 24 FT…HIGHEST
NEAR 46N174E. ALSO FROM 32N TO 45N W OF 180W…AND FROM 40N TO
54N BETWEEN 162W AND 172W WINDS TO 25 KT. SEAS 9 TO 23
FT…HIGHEST SEAS FROM 37N TO 52N BETWEEN 180W AND 165E.
…GALE WARNING…
.LOW 57N178W 971 MB MOVING NE 25 KT. WITHIN 300 NM S AND W
SEMICIRCLE WINDS 30 TO 45 KT. SEAS 10 TO 20 FT. ELSEWHERE FROM
45N TO 62N BETWEEN 170W AND 169E…AND WITHIN 540 NM W OF A LINE
FROM 40N165W TO 57N150W WINDS 25 TO 40 KT. SEAS 9 TO 18
FT…HIGHEST NEAR 51N165W.
.24 HOUR FORECAST LOW 64N164W 986 MB. N OF 53N BETWEEN 147W AND
177W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN 240 NM
W OF A LINE FROM 53N149W TO 41N169W WINDS 20 TO 30 KT. SEAS TO 11
FT.
.48 HOUR FORECAST LOW DISSIPATED INLAND. CONDITIONS DIMINISHED.
…GALE WARNING…
.LOW 39N177E 1006 MB MOVING NE 10 KT. FROM 36N TO 42N BETWEEN
180W AND 172E WINDS 25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 40N180W 1010 MB. WITHIN 240 NM N SEMICIRCLE
AND 120 NM S QUADRANT WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISH
