FZPN02 KWBC 171125
HSFEPI 1145
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC SAT AUG 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC AUG 17.
24 HOUR FORECAST VALID 0600 UTC AUG 18.
48 HOUR FORECAST VALID 0600 UTC AUG 19.
.WARNINGS.
…STORM WARNING…
.LOW 56N179W 976 MB MOVING NE 05 KT. WITHIN 300 NM NW AND N…AND
540 NM E QUADRANTS WINDS 30 TO 45 KT. SEAS 9 TO 18 FT.
ELSEWHERE…EXCEPT WHERE DESCRIBED WITH LOW 53N177E
BELOW…WITHIN 360 NM N…720 NM E…960 NM SE…780 NM S…AND
480 NM SW AND W QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO
17 FT.
.06 HOUR FORECAST LOW 57N179E 972 MB. WITHIN 180 NM NW QUADRANT
WINDS 35 TO 50 KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST LOW 56N178W 973 MB. WITHIN 300 NM S AND W
SEMICIRCLE WINDS 30 TO 45 KT. SEAS 9 TO 18 FT. ELSEWHERE FROM 50N
TO 61N BETWEEN 154W AND 175E AND WITHIN 420 NM W OF A LINE FROM
40N165W TO 57N149W WINDS 25 TO 35 KT. SEAS 9 TO 17 FT.
.48 HOUR FORECAST LOW 66N163W 991 MB. N OF 52N BETWEEN 145W AND
175W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
…STORM WARNING…
.24 HOUR FORECAST TYPHOON AMPIL NEAR 40N154E. MAXIMUM SUSTAINED
WIND 60 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN XXX NM
QUADRANTS. SEAS 12 FT OR GREATER WITHIN 150 NM NE…190 NM
SE…170 NM SW…AND 120 NM NW QUADRANTS WITH SEAS TO 30 FT.
ELSEWHERE FROM 34N TO 46N W OF 163E WINDS 20 TO 33 KT. SEAS TO 11
FT.
.48 HOUR FORECAST POST-TROPICAL AMPIL NEAR 44N165E 970 MB. WITHIN
240 NM E AND 180 NM S QUADRANTS WINDS 40 TO 55 KT. SEAS 12 TO 33
FT…HIGHEST S OF CENTER. ELSEWHERE WITHIN 420 NM NE AND SE…360
NM SW…AND 240 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 27
FT…HIGHEST S OF CENTER. ALSO FROM 32N TO 50N W OF 174E WINDS 20
TO 30 KT. SEAS 9 TO 21 FT…HIGHEST S OF CENTER.
…GALE WARNING…
.LOW 53N177E 987 MB MOVING NE 10 KT. WITHIN 480 NM E…660 NM
SW…AND 480 NM S QUADRANT WINDS 25 TO 35 KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 57N174W
DESCRIBED ABOVE.
…GALE WARNING…
.LOW 39N169E 1004 MB MOVING E 15 KT. FROM 34N TO 42N W OF 180W
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 39N178E 1007 MB. FROM 35N TO 43N BETWEEN
178W AND 174E WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW 41N178W 1012 MB. FROM 39N TO 46N BETWEEN
165W AND 180W…AND FROM 45N TO 49N BETWEEN 159W AND 165W WINDS
TO 25 KT. SEAS TO 10 FT.
.SYNOPSIS AND FORECAST.
.LOW 41N127W 1016 MB MOVINGS NE 15 KT. FROM 30N TO 36N BETWEEN
120W AND 125W…FROM 35N TO 44N BETWEEN 127W AND 139W…AND FROM
33N TO 37N BETWEEN 145W AND 156W WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW DISSIPATED.CONDITIONS DIMINISHED.
.LOW 34N176W 1014 MB MOVING NE 05 KT. FROM 30N TO 40N BETWEEN
168W AND 179W WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS ABSORBED BY LOW
57N174W DESCRIBED IN WARNINGS SECTION ABOVE
.24 HOUR FORECAST FROM 37N TO 47N BETWEEN 140W TO 149W…AND FROM
46N TO 56N BETWEEN 128W AND 135W WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 34N TO 49N BETWEEN 140W AND 152W…AND
FROM 50N TO 57N BETWEEN 128W AND 138W WINDS TO 25 KT. SEAS TO 8
FT.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 240 NM E OF A
LINE FROM A LINE FROM 55N164W TO 51N158W TO 45N157W…FROM 45N TO
54N BETWEEN 166W AND 175W…FROM 55N TO 57N BETWEEN 177W AND
180W…AND FROM 56N TO 59N BETWEEN 165W AND 172W.
.24 HOUR FORECAST DENSE FOG WITHIN 90 NM SE OF A LINE FROM
58N148W TO 51N157W…WITHIN 120 NM SE OF A LINE FROM 52N164W TO
43N172W…AND N OF 62N BETWEEN ALASKA AND 170W.
.48 HOUR FORECAST DENSE FOG 53N TO 56N BETWEEN 146W AND
149W…AND WITHIN 90 NM SE OF A LINE FROM 50N162W TO 42N172W.
.FORECASTER EHRBAR. OCEAN PREDICTION CENTER.
NWS NATIONAL HURRICANE CENTER MIAMI FL
E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W
SYNOPSIS VALID 0600 UTC SAT AUG 17.
24 HOUR FORECAST VALID 0600 UTC SUN AUG 18.
48 HOUR FORECAST VALID 0600 UTC MON AUG 19.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.LOW PRES NEAR 12N105W 1009 MB. WITHIN 11N103W TO 12N104W TO
11N105W TO 10N105W TO 10N104W TO 11N103W SW TO W WINDS 20 TO 30
KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES…POSSIBLE TRPCL CYCLONE…NEAR
14N110W 1007 MB. WITHIN 12N106W TO 13N109W TO 08N114W TO
07N109W TO 08N105W TO 12N106W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST LOW PRES…POSSIBLE TRPCL CYCLONE…NEAR
15N114W 1005 MB. WITHIN 13N106W TO 15N111W TO 12N114W TO
09N120W TO 08N112W TO 10N104W TO 13N106W WINDS 20 TO 30 KT. SEAS
8 TO 11 FT.
.27 HOUR FORECAST WITHIN 06N97W TO 07N98W TO 07N99W TO 06N99W TO
05N98W TO 05N98W TO 06N97W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 08N99W TO 09N101W TO 08N103W TO 06N102W
TO 06N100W TO 07N99W TO 08N99W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN S TO SW SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
CONVECTION VALID AT 0730 UTC SAT AUG 17…
.LOW PRES NEAR 12N105W 1009 MB…SCATTERED MODERATE FROM 10N TO
15N BETWEEN 105W AND 115W.
.LOW PRES NEAR 13N137W 1012 MB…SCATTERED MODERATE FROM 10N T
