25
HSFEPI 1745
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC FRI AUG 02 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 02.
24 HOUR FORECAST VALID 1200 UTC AUG 03.
48 HOUR FORECAST VALID 1200 UTC AUG 04.
.WARNINGS.
…GALE WARNING…
.COMPLEX LOW WITH FIRST LOW 46N150W 1007 MB MOVING NW 15 KT AND
SECOND LOW 38N156W 1014 MB MOVING NE 25 KT. WITHIN 300 NM N
SEMICIRCLE OF FIRST LOW AND 300 NM SE SEMICIRCLE OF SECOND LOW
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.06 HOUR FORECAST COMPLEX LOW WITH FIRST LOW 47N152W 1006 MB AND
SECOND LOW 39N154W 1002 MB. WITHIN 300 NM N AND NE QUADRANTS OF
FIRST LOW WINDS 25 TO 35 KT. SEAS TO 11 FT.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST LOW 47N158W 1003 MB AND
SECOND LOW 48N153W 1004 MB. WITHIN 240 NM NE SEMICIRCLE OF SECOND
LOW WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE WITHIN 300 NM W
SEMICIRCLE OF FIRST LOW…420 NM N SEMICIRCLE OF SECOND LOW…AND
FROM 38N TO 48N BETWEEN 142W AND 153W WINDS 20 TO 30 KT. SEAS TO
11 FT.
.48 HOUR FORECAST COMBINED LOW 49N162W 999 MB. WITHIN 360 NM E
SEMICIRCLE…WITHIN 240 NM NE OF A LINE FROM 50N145W TO
56N160W…AND FROM 39N TO 49N BETWEEN 160W AND 160E WINDS 20 TO
30 KT. SEAS TO 11 FT.
…GALE WARNING…
.LOW 40N166W 1011 MB MOVING SE 15 KT. WITHIN 360 NM SW SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN 660 NM SW
SEMICIRCLE AND FROM 40N TO 50N BETWEEN 154W AND 170W WINDS 20 TO
30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 36N159W 1011 MB. S OF 38N BETWEEN 150W AND
179W…AND FROM 45N TO 54N W OF 178E WINDS 20 TO 30 KT. SEAS TO
11 FT.
.48 HOUR FORECAST LOW 42N151W 1012 MB. WITHIN 180 NM E
SEMICIRCLE…AND N OF 55N E OF 179E WINDS 20 TO 30 KT. SEAS TO 8
FT.
…GALE WARNING…
.LOW NW OF AREA 59N177E 1005 MB MOVING NE 10 KT. FROM 52N TO 59N
BETWEEN 167W AND 176W…AND WITHIN 420 NM NW OF A LINE FROM
47N170E TO 52N176W WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 61N175W 1006 MB. N OF 53N BETWEEN 161W AND
171W WINDS 20 TO 30 KT. SEAS TO 10 FT.
.36 HOUR FORECAST LOW N OF AREA AND NEW LOW NW OF AREA 62N176E
990 MB. N OF 58N BETWEEN 162W AND 173W WINDS 25 TO 35 KT. SEAS TO
12 FT.
.48 HOUR FORECAST LOW NW OF AREA 64N177E 987 MB. N OF 60N BETWEEN
165W AND 172W WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE N OF
56N BETWEEN 158W AND 174W WINDS 20 TO 30 KT. SEAS TO 8 FT.
.SYNOPSIS AND FORECAST.
.LOW 49N127W 1018 MB NEARLY STATIONARY. WITHIN 360 NM NW QUADRANT
WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW DISSIPATED. WITHIN 180 NM NE OF A LINE FROM
47N128W TO 56N138W AREA OF NW WINDS 20 TO 30 KT. SEAS LESS THAN 8
FT.
.48 HOUR FORECAST WITHIN 240 NM NE OF A LINE FROM 46N129W TO
57N140W AREA OF NW WINDS 20 TO 30 KT. SEAS TO 8 FT.
.FROM 38N TO 43N BETWEEN 123W AND 126W AREA OF NW WINDS TO 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 38N TO 43N BETWEEN 123W AND 126W AREA OF
NW WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
.LOW 37N142W 1014 MB MOVING N 15 KT. WITHIN 180 NM E SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.
.S OF 39N W OF 175E AREA OF E TO SE WINDS 20 TO 30 KT. SEAS TO 10
FT.
.24 HOUR FORECAST S OF 40N W OF 170E AREA OF E TO SE WINDS 20 TO
30 KT
