549
FZPN02 KWBC 191725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC SAT OCT 19 2024

CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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
VOSOPS@NOAA.GOV(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 OCT 19.
24 HOUR FORECAST VALID 1200 UTC OCT 20.
48 HOUR FORECAST VALID 1200 UTC OCT 21.

.WARNINGS.

...STORM WARNING...
.W OF A LINE FROM 55N170E TO 43N160E WINDS 25 TO 40 KT. SEAS 8
TO 14 FT.
.24 HOUR FORECAST WITHIN AN AREA BOUNDED BY 57N173E...48N169E...
48N171E...59N177W...61N178E...57N173E WINDS 35 TO 50 KT. SEAS 14
TO 26 FT. ELSEWHERE W OF A LINE FROM 63N172W TO 57N171W TO
44N170E WINDS 25 TO 40 KT. SEAS 8 TO 18 FT.
.48 HOUR FORECAST W OF A LINE FROM 66N160W TO 61N160W TO 49N172E
WINDS 25 TO 40 KT. SEAS 12 TO 23 FT.

...GALE WARNING...
.LOW 52N135W 999 MB MOVING NE 30 KT. FROM 48N TO 52N BETWEEN
134W AND 140W WINDS 25 TO 35 KT. SEAS 9 TO 14 FT. ELSEWHERE
WITHIN 300 NM E OF A LINE FROM 49N132W TO 40N142W WINDS 20 TO 30
KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW INLAND WITH CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 57N138W 999 MB MOVING SE 10 KT. FROM 55N TO 59N BETWEEN
150W AND 156W WINDS 25 TO 35 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 55N134W 1012 MB. WITHIN 420 NM SW OF A
LINE FROM 59N152W TO 55N147W TO 47N140W WINDS 20 TO 30 KT. SEAS
TO 10 FT.
.48 HOUR FORECAST LOW DISSIPATED. FROM 55N TO 59N BETWEEN 146W
AND 154W WINDS TO 25 KT. SEAS LESS THAN 8 FT.

...GALE WARNING...
.WITHIN 180 NM N OF A LINE FROM 36N150W TO 32N160W TO 30N171W
WINDS 20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 32N171W 1015 MB. FROM 33N TO 38N BETWEEN
162W AND 175W WINDS 25 TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE
WITHIN 420 NM N OF A LINE FROM 35N180W TO 32N165W TO 31N152W
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 34N175W 1014 MB. WITHIN 240 NM N OF A LINE
FROM 35N179W TO 35N170W TO 32N160W WINDS 25 TO 40 KT. SEAS 9 TO
18 FT. ELSEWHERE WITHIN 360 NM N OF A LINE FROM 31N176E TO
35N175W TO 31N153W WINDS 20 TO 30 KT. SEAS TO 12 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW 47N134W 1010 MB. FROM 42N TO 47N BETWEEN
134W AND 141W WINDS 25 TO 35 KT. SEAS 9 TO 13 FT.
.48 HOUR FORECAST LOW 46N126W 1012 MB. FROM 43N TO 46N BETWEEN
125W AND 130W WINDS 20 TO 30 KT. SEAS TO 11 FT.

...GALE WARNING...
.48 HOUR FORECAST W OF A LINE FROM 40N171E TO 35N160E WINDS 25
TO 35 KT. SEAS 8 TO 14 FT.

.SYNOPSIS AND FORECAST.

.A VOLCANIC ASH CLOUD HAS BEEN OBSERVED IN THE VICINITY OF
KATMAI VOLCANO LOCATED AT 58.17N 154.58W. IT IS RESUSPENDED ASH
FROM THE 1912 ERUPTION. THERE IS NO ERUPTION. ASH MAY BE
REACHING THE OCEAN SURFACE IN OR NEAR SHELIKOF STRAIT. MARINERS
ARE ENCOURAGED TO REPORT ANY OBSERVATON OF ASH ON THE OCEAN
SURFACE BY CALLING THE OCEAN PREDICTION CENTER AT 301-683-1520.

.FORECASTER SHAW. 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 1200 UTC SAT OCT 19.
24 HOUR FORECAST VALID 1200 UTC SUN OCT 20.
48 HOUR FORECAST VALID 1200 UTC MON OCT 21.

.WARNINGS.

...GALE WARNING...
.WITHIN 30 NM OF A LINE FROM 16N96W TO 14N95W...INCLUDING THE
GULF OF TEHUANTEPEC...N WINDS 30 TO 40 KT. SEAS 9 TO 12 FT.
ELSEWHERE WITHIN 60 NM OF A LINE FROM 16N95W TO 14N95W TO
11N97W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.12 HOUR FORECAST WITHIN 45 NM OF A LINE FROM 16N96W TO
14N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 30 TO 40
KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 60 NM OF A LINE FROM
16N95W TO 14N95W TO 10N97W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO
10 FT.
.24 HOUR FORECAST WITHIN 45 NM OF A LINE FROM 16N95W TO 14N95W
TO 10.5N97W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
20 TO 30 KT WITH FREQUENT GUSTS TO GALE FORCE. SEAS 9 TO 12 FT.
ELSEWHERE FROM 09N TO 13N BETWEEN 93W AND 98W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN N SWELL.
.36 HOUR FORECAST WITHIN 45 NM OF A LINE FROM 16N95W TO 14N95W
TO 12N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 30 KT. SEAS 8 TO 11 FT. ELSEWHERE FROM 05N TO 13N BETWEEN 93W
AND 99W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED N AND SW
SWELL.
.48 HOUR FORECAST WITHIN 45 NM OF A LINE FROM 16N95W TO 14N96W
TO 13N97W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 25 KT. SEAS 8 TO 10 FT. FROM 11N TO 13N BETWEEN 96W AND 98W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED N AND SW SWELL.

.SYNOPSIS AND FORECAST.

.N OF 26N BETWEEN 120W AND 126W WINDS 20 KT OR LESS. SEAS 8 TO 9
FT IN NW SWELL. FROM 24N TO 26N BETWEEN 128W AND 131W WINDS 20
KT OR LESS. SEAS 8 FT IN NW SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST FROM 13N TO 15N BETWEEN 115W AND 117W WINDS 20
KT OR LESS. SEAS 8 FT PRIMARILY IN NW SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.12 HOUR FORECAST S OF A LINE FROM 03.4S103W TO 01S111W TO
02S120W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.
.24 HOUR FORECAST S OF 00N BETWEEN 100W AND 118W WINDS 20 KT OR
LESS. SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 1500 UTC SAT OCT 19...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 10N86W TO 08N100W TO A 1011 MB
LOW PRESSURE CENTERED NEAR 12N112W TO 12N137W. SCATTERED
MODERATE TO STRONG CONVECTION IS OCCURRING FROM 10N TO 13N EAST
OF 90W. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION CAN BE
FOUND FROM 04N TO 08N E OF 80W TO THE COAST OF COLOMBIA...FROM
10N TO 12.5N BETWEEN 89W AND 93W...FROM 07N TO 11N BETWEEN 99W
TO 110W...AND FROM 09N TO 15N BETWEEN 110W AND 121W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1200 UTC OCT 19 2024.
24 HOUR FORECAST VALID 1200 UTC OCT 20 2024.
48 HOUR FORECAST VALID 1200 UTC OCT 21 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WEAK FRONT 30N168W 27N172W 26N177W NEARLY STATIONARY. ISOLATED
MODERATE TSTMS N OF 28N BETWEEN 172W AND 169W.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N172W 27N172W
25N176W.
.48 HOUR FORECAST TROUGH 30N173W 27N173W 23N176W.

.TROUGH 25N160E 24N163E 23N166E MOVING W 10 KT. ISOLATED
MODERATE TSTMS FROM 25N TO 21N BETWEEN 164E AND 175E.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.TROUGH 16N163E 13N162E 10N164E MOVING W 10 KT. ISOLATED
MODERATE TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.24 HOUR FORECAST NEW TROUGH 11N171E 06N160E.
.48 HOUR FORECAST TROUGH 14N167E 08N160E.

.WINDS 20 TO 25 KT N OF 24N W OF 173E.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 26N TO 22N W OF
170E...AND FROM 17N TO 11N BETWEEN 172W AND 161W.
.48 HOUR FORECAST WINDS 20 TO 25 KT N OF 20N W OF 170E.

.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 8 TO 9 FT N OF 25N W OF 167E.
.24 HOUR FORECAST SEAS SUBSIDED TO 8 FT OR LOWER.

.SEAS 8 FT OR LOWER REMAINDER OF FORECAST AREA.

.ITCZ 11N140W 08N153W 10N168W 09N179E 06N172E. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 150 NM OF ITCZ.

$$

.FORECASTER TROTTER. HONOLULU HI.