FZPN02 KWBC 202325
HSFEPI 2345
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC TUE AUG 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 20.
24 HOUR FORECAST VALID 1800 UTC AUG 21.
48 HOUR FORECAST VALID 1800 UTC AUG 22.
.WARNINGS.
…STORM WARNING…
.LOW NW OF AREA NEAR 58N172E 963 MB MOVING NE 30 KT. WITHIN 180
NM SE SEMICIRCLE WINDS 40 TO 50 KT. SEAS 20 TO 30 FT. ELSEWHERE
WITHIN 420 NM SE SEMICIRCLE WINDS 25 TO 40 KT. SEAS 12 TO 20 FT.
ALSO N AND W OF A LINE FROM 59N167W TO 45N163E WINDS 20 TO 30
KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST LOW NW OF AREA NEAR 64N173W 980 MB. WITHIN 300
NM SE SEMICIRCLE WINDS 25 TO 40 KT. SEAS 15 TO 24 FT. ELSEWHERE
NW OF A LINE FROM 54N177W TO 61N159W WINDS TO 25 KT. SEAS 9 TO
18 FT.
.48 HOUR FORECAST LOW WELL N OF AREA. N OF 57N W OF 173W WINDS
20 TO 30 KT. SEAS TO 10 FT.
.SYNOPSIS AND FORECAST.
.LOW 58N141W 1010 MB MOVING SE 25 KT. WITHIN 480 NM SW
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW DISSIPATED. FROM 47N TO 52N BETWEEN 131W
AND 138W WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 42N TO 48N BETWEEN 129W AND 137W AREA OF
N WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 38N165E 1007 MB.
S OF 43N W OF 172E WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 37N162E 1014 MB.
WITHIN 180 NM SE OF A LINE FROM 52N171W TO 43N173E TO 40N160E
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAE QUADRANT
…AN123W TO
11N116W TO 15N114W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED
SWELL.
.24 HOUR FORECAST HURRICANE GILMA NEAR 16.6N 123.2W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 70 NM NE QUADRANT…100 NM SE QUADRANT…90 NM SW
QUADRANT…AEP91…POSSIBLE TROPICAL CYCLONE
…NEAR 15.5N140W 1003 MB. WITHIN 17N138W TO 19N139W TO 20N140W
TO 14N140W TO 15N138W TO 17N138W WINDS 25 TO 35 KT. SEAS 9 TO 12
FT. REMAINDER OF AREA WITHIN 21N137W TO 22N140W TO 17N138W TO
13N140W TO 13N139W TO 18N135W TO 21N137W WINDS 20 KT OR LESS.
SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST LITTLE CHANGE.
.SYNOPSIS AND FORECAST.
.WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO 14N95W TO 15N94W
TO 16N94W…INCLUDING THE GULF OF TEHUANTEPEC…N TO NE WINDS 20
TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.
.36 HOUR FORECAST WITHIN 14N111W TO 14N113W TO 13N113W TO
13N111W TO 14N111W WINDS 20 KT OR LESS. SEAS 8 FT IN W TO NW
SWELL.
.48 HOUR FORECAST WITHIN 14N111W TO 14N113W TO 12N114W TO
11N110W TO 12N109W TO 14N111W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN W TO NW SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
CONVECTION VALID AT 1930 UTC TUE AUG 20…
.TROPICAL STORM GILMA…NUMEROUS MODERATE SCATTERED STRONG WITHIN
60 NM NE SEMICIRCLE…AND 360 NM SW SEMICIRCLE.
.LOW PRES…EP90…SCATTERED MODERATE WITHIN 150 NM SW
SEMICIRCLE.
.LOW PRES…EP91…NUMEROUS MODERATE ISOLATED STRONG WITHIN 180
NM SW SEMICIRCLE.
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH…
MONSOON TROUGH FROM 10N86W TO 09N90W TO 15N111W THEN RESUMES
W OF GILMA FROM 15N128W TO LOW PRES…EP91…NEAR 14.5N132.5W TO
LOW PRESS…EP90…NEAR 11N137.5W TO BEYOND 10.5N140W. SCATTERED
MODERATE ISOLATED STRONG FROM 10N TO 18N BETWEEN 102W AND 114W.
SCATTERED MODERATE FROM 04N TO 08N BETWEEN 77W AND 92W…AND FROM
09N TO 13N BETWEEN 89W AND 92W.
¤¤
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E
SYNOPSIS VALID 1800 UTC AUG 20 2024.
24 HOUR FORECAST VALID 1800 UTC AUG 21 2024.
48 HOUR FORECAST VALID 1800 UTC AUG 22 2024.
.WARNINGS.
…GALE WARNING…
.48 HOUR FORECAST NEW LOW…POSSIBLE TROPICAL CYCLONE…N
