FZPN02 KWBC 240525
HSFEPI 0545
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC SAT AUG 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 24.
24 HOUR FORECAST VALID 0000 UTC AUG 25.
48 HOUR FORECAST VALID 0000 UTC AUG 26.
.WARNINGS.
…GALE WARNING…
.LOW WELL W OF AREA NEAR 53N151E 986 MB MOVING NE 10 KT. N OF
46N W OF 163E WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE N OF
43N W OF 166E WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST COMPLEX LOW W OF AREA WITH ONE CENTER NEAR
54N156E 982 MB…AND A SECOND NEW CENTER NEAR 55N163E 985 MB.
WITHIN 480 NM E AND NE…AND 600 NM S AND SE QUADRANTS OF SECOND
NEW CENTER WINDS 25 TO 40 KT. SEAS 9 TO 18 FT. ELSEWHERE FROM
44N TO 58N W OF 179E WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST COMBINED LOW NEAR 55N173E 988 MB. BETWEEN 360
NM AND 660 NM NE…600 NM SE…AND 420 NM SW QUADRANTS WINDS 25
TO 35 KT. SEAS 9 TO 18 FT. ELSEWHERE FROM 43N TO 63N BETWEEN
165W AND 162E WINDS TO 25 KT. SEAS 8 TO 15 FT.
…GALE WARNING…
.LOW 54N161W 1011 MB MOVING E 25 KT WILL SLOW AND TURN N AFTER
24 HOURS. FROM 45N TO 54N BETWEEN 156W AND 173W WINDS 20 TO 30
KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 55N143W 1002 MB. WITHIN 360 NM SE…780 NM
SW…AND 660 NM W AND NW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11
FT.
.36 HOUR FORECAST LOW 58N140W 998 MB. WITHIN 120 NM NE
SEMICIRCLE…AND FROM 53N TO 57N BETWEEN 150W AND 158W WINDS 25
TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 59N144W 1002 MB. BETWEEN 180 NM AND 420 NM
W AND SW QUADRANTS…AND E OF A LINE FROM 50N131W TO 55N133W TO
THE COAST OF CANADA…WINDS 25 TO 35 KT. SEAS TO 12 FT.
ELSEWHERE FROM 49N TO 60N BETWEEN 128W AND 156W WINDS 20 TO 30
KT. SEAS TO 10 FT.
.SYNOPSIS AND FORECAST.
.LOW 43N126W 1009 MB DRIFTING SE. WITHIN 240 NM S SEMICIRCLE…
AND WITHIN 600 NM W AND NW QUADRANTS WINDS TO 25 KT. SEAS TO 9
FT.
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.
.LOW 61N150W 1007 MB MOVING SE 10 KT. WITHIN 300 NM S AND SW
QUADRANTS WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 59N149W 1002 MB. WITHIN 120 NM W AND SW
QUADRANTS WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 59N144W
DESCRIBED IN WARNINGS SECTION ABOVE.
.LOW 65N164W 1005 MB MOVING E 10 KT. WITHIN 180 NM W AND SW
QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW DISSIPATED OVER ALASKA. WITHIN 120 NM W
AND SW OF A LINE FROM 59N161W TO 65N166W N TO NW WINDS TO 25 KT.
SEAS TO 8 FT.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 55N173E IN
WARNINGS SECTION ABOVE.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 54N
BETWEEN 146W AND 171W.
.24 HOUR FORECAST DENSE FOG WITHIN 90 NM OF 48N143W…AND FROM
51N TO 58N BETWEEN 175W AND 172E.
.48 HOUR FORECAST DENSE FOG N OF 54N E OF 134W…AND FROM 45N TO
61N BETWEEN 167W AND 176E.
.FORECASTER MILLS. OCEAN PREDICTION CENTER.
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 0000 UTC SAT AUG 24.
24 HOUR FORECAST VALID 0000 UTC SUN AUG 25.
48 HOUR FORECAST VALID 0000 UTC MON AUG 26.
.WARNINGS.
…HURRICANE WARNING…
.HURRICANE GILMA NEAR 17.5N 128.4W 970 MB AT 0300 UTC AUG 24
MOVING W OR 280 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 90 KT GUSTS
110 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM N
SEMICIRCLE…90 NM SE QUADRANT AND 80 NM SW QUADRANT. SEAS 12 FT
OR GREATER WITHIN 150 NM N SEMICIRCLE AND 180 NM S SEMICIRCLE OF
CENTER WITH SEAS TO 35 FT. ELSEWHERE WITHIN 360 NM N SEMICIRCLE
AND 180 NM S SEMICIRCLE OF CENTER WINDS 20 TO 33 KT. SEAS 9 TO
14 FT. REMAINDER OF AREA FROM 12N TO 25N BETWEEN 121W AND 136W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE GILMA NEAR 18.0N 131.5W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM N SEMICIRCLE AND 70 NM S SEMICIRCLE. LITTLE CHANGE
IN SEAS 12 FT OR GREATER WITH SEAS TO 29 FT. ELSEWHERE WITHIN
300 NM NW SEMICIRCLE AND 150 NM SE SEMICIRCLE OF CENTER WINDS 20
TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 12N TO 24N
BETWEEN 126W AND 138W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN
MIXED SWELL.
.48 HOUR FORECAST HURRICANE GILMA NEAR 18.4N 135.1W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM N SEMICIRCLE AND 50 NM S SEMICIRCLE. SEAS 12 FT OR
GREATER WITHIN 120 NM NE QUADRANT…90 NM SE QUADRANT AND 150 NM
W SEMICIRCLE OF CENTER WITH SEAS TO 28 FT. ELSEWHERE LITTLE
CHANGE. REMAINDER OF AREA FROM 13N TO 24N BETWEEN 128W AND
140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK…SIZE
AND INTENSITY.
.SYNOPSIS AND FORECAST.
.FROM 17N TO 22N W OF 139W WINDS 20 KT OR LESS. SEAS TO 8 FT IN
DECAYING E SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.LOW PRES…EP92…NEAR 15N115W 1007 MB. WITHIN 180 NM NW
SEMICIRCLE AND 120 NM SE SEMICIRCLE OF CENTER WINDS 20 TO 30 KT.
SEAS 8 TO 11 FT.
.24 HOUR FORECAST LOW PRES…EP92…POSSIBLE TROPICAL CYCLONE…
NEAR 16N119W 1007 MB. WITHIN 180 NM NW SEMICIRCLE AND 120 SE
SEMICIRCLE OF CENTER WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW PRES…EP92…POSSIBLE TROPICAL CYCLONE…
NEAR 16N122W 1006 MB. WITHIN 210 NM NW SEMICIRCLE AND 180 NM SE
SEMICIRCLE OF CENTER WINDS 20 TO 30 KT. SEAS 9 TO 14 FT.
. N OF 16N BETWEEN 95W AND 96W…INCLUDING THE GULF OF
TEHUANTEPEC…N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
CONVECTION VALID AT 0315 UTC SAT AUG 23…
.HURRICANE GILMA…NUMEROUS STRONG WITHIN 120 NM SW SEMICIRCLE
AND 30 NM NE SEMICIRCLE. NUMEROUS MODERATE ISOLATED STRONG
ELSEWHERE FROM 15N TO 19N BETWEEN 126W AND 131W.
.LOW PRES…EP92…NUMEROUS MODERATE TO STRONG W OF THE
LOW FROM 14N TO 16N BETWEEN 116W AND 119W.
.TROPICAL WAVE ALONG 99W N OF 08N…SCATTERED MODERATE
ISOLATED STRONG IS W OF THE
