East and Central North Pacific High Seas Forecast

Hurricane Warnings in Effect
East and Central North Pacific High Seas Forecast

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FZPN02 KWBC 122325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC SAT OCT 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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). 

THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL 
OCTOBER 16 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN 
DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND 
GRAPHICAL PRODUCTS FOR THE HIGH SEAS AREAS ONLY. 
TO LEARN MORE PLEASE VISIT (WEB ADDRESS LOWERCASE) 
HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP 

FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH 
PACIFIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG 
WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO 
WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 12 FEET OR 
GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, 
AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER 
CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO 
PRESERVE CONTINUITY WHERE APPROPRIATE. 

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 OCT 12. 
24 HOUR FORECAST VALID 1800 UTC OCT 13. 
48 HOUR FORECAST VALID 1800 UTC OCT 14. 

.WARNINGS. 

...GALE WARNING... 
.LOW 52N155W 962 MB MOVING NE 15 KT. FROM 46N TO 60N BETWEEN 
160W AND 175W WINDS 30 TO 45 KT. SEAS 15 TO 28 FT. ELSEWHERE 
WITHIN 720 NM SE AND 900 NM SW QUADRANTS AND N OF 52N BETWEEN 
158W AND 178W WINDS 25 TO 35 KT. SEAS 10 TO 32 FT...HIGHEST 
WITHIN 600 NM SE SEMICIRCLE.
.24 HOUR FORECAST LOW 55N152W 972 MB. WITHIN 840 NM SW 
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 12 TO 24 FT. ELSEWHERE WITHIN 
720 NM E QUADRANT AND 1020 NM SW SEMICIRCLE WINDS TO 25 KT. SEAS 
8 TO 16 FT. 
.48 HOUR FORECAST LOW 55N150W 986 MB. WITHIN 660 NM SE QUADRANT 
AND 720 NM W SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.

...GALE WARNING... 
.LOW 61N149W 970 MB MOVING NW 25 KT. N OF A LINE FROM LOW TO 
58N139W TO 52N135W TO 50N128W WINDS 25 TO 40 KT. SEAS 12 TO 24 
FT. ELSEWHERE WITHIN 240 NM E OF A LINE FROM 50N135W TO 42N138W 
TO 37N147W WINDS 20 TO 30 KT. SEAS TO 12 FT. 
.24 HOUR FORECAST LOW WELL INLAND. WITHIN 120 NM E OF A LINE 
FROM 52N130W TO 40N137W WINDS 25 TO 35 KT. SEAS TO 12 FT. 
.48 HOUR FORECAST CONDITIONS DIMINISHED. 

...GALE WARNING... 
.LOW 49N161E 994 MB MOVING NE 15 KT. W OF A LINE FROM 54N169E TO 
40N180W WINDS 25 TO 40 KT. SEAS 12 TO 22 FT. ELSEWHERE W OF A 
LINE FROM 54N169E TO 38N175W WINDS TO 25 KT. SEAS 8 TO 16 FT. 
.24 HOUR FORECAST LOW NW OF AREA 53N161E 996 MB. W OF A LINE 
FROM 56N173E TO 49N178E TO 41N163E WINDS 25 TO 35 KT. SEAS 10 TO 
19 FT. 
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 51N167W 998 MB. 
FROM 42N TO 57N W OF 175W WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.  

...GALE WARNING... 
.24 HOUR FORECAST NEW LOW 40N173W 1004 MB. FROM 35N TO 42N 
BETWEEN 165W AND 175E WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.  
.48 HOUR FORECAST LOW 38N156W 1010 MB. FROM 34N TO 40N BETWEEN 
150W AND 163W WINDS 25 TO 35 KT. SEAS 10 TO 16 FT. 

...GALE WARNING... 
.48 HOUR FORECAST S OF 40N W OF 171E WINDS 25 TO 40 KT. SEAS 9 
TO 14 FT. 

.SYNOPSIS AND FORECAST. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 58N E OF 147W. 
.24 HOUR FORECAST CONDITIONS IMPROVING. 

.FORECASTER KREKELER. 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 1800 UTC SAT OCT 12.
24 HOUR FORECAST VALID 1800 UTC SUN OCT 13.
48 HOUR FORECAST VALID 1800 UTC MON OCT 14.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N95W TO 14N96W TO 14N95W TO 15N95W TO 16N95W... 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. 
SEAS 9 TO 12 FT. ELSEWHERE WITHIN 15N94W TO 16N94W TO 16N95W TO 
13N97W TO 13N95W TO 15N94W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 
11 FT IN N TO NE SWELL. REMAINDER OF AREA WITHIN 12N96W TO 
15N94W TO 16N95W TO 10N103W TO 08N98W TO 10N95W TO 12N96W WINDS 
20 KT OR LESS. SEAS 8 TO 9 FT IN MERGING N TO NE AND SW SWELL.
.12 HOUR FORECAST WITHIN 16N94.5W TO 16N95W TO 15N95.5W TO 
14N95.5W TO 14N95W TO 14.5N95W TO 16N94.5W...INCLUDING THE GULF 
OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS 9 TO 13 FT. 
ELSEWHERE WITHIN 16N95W TO 14N96W TO 13N97W TO 13N96W TO 14N94W 
TO 16N95W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT IN NE 
SWELL. REMAINDER OF AREA WITHIN 16N94W TO 10N105W TO 11N111W TO 
06N115W TO 02N111W TO 07N93W TO 16N94W WINDS 20 KT OR LESS. SEAS 
8 TO 10 FT IN NE SWELL MERGING WITH S SWELL.
.15 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS BELOW GALE FORCE.
.24 HOUR FORECAST WITHIN 15N95W TO 16N95W TO 13N97W TO 11N101W 
TO 10N97W TO 13N95W TO 15N95W...INCLUDING THE GULF OF 
TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT...EXCEPT N OF 14N 25 TO 
30 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 16N95W TO 11N106W TO 
04N106W TO 04N96W TO 08N921 TO 16N95W WINDS 20 KT OR LESS. SEAS 
8 TO 10 FT IN NE SWELL MERGING WITH S SWELL.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 15N95W TO 
16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 
25 KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN 15N97W TO 13N104W TO 
08N103W TO 07N98W TO 11N97W TO 15N95W WINDS 20 KT OR LESS. SEAS 
8 TO 9 FT PRIMARILY IN NE SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 10N103W TO 15N116W TO 02N125W TO 02N130W TO 03.4S120W TO 
03.4S94W TO 07N93W TO 10N103W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 11N106W TO 11N114W TO 04N116W TO 
03N106W TO 08N106W TO 11N106W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN S TO SW SWELL MERGING WITH NE SWELL.
.48 HOUR FORECAST SWELL TO DECAY. SEAS LESS THAN 8 FT.

.WITHIN 30N129W TO 30N140W TO 27N140W TO 28N132W TO 30N129W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.24 HOUR FORECAST WITHIN 30N118W TO 30N127W TO 24N133W TO 
25N122W TO 27N116W TO 30N118W WINDS 20 KT OR LESS. SEAS 8 FT IN 
NW SWELL.
.48 HOUR FORECAST WITHIN 29N116W TO 29N119W TO 25N121W TO 
24N117W TO 26N114W TO 29N116W WINDS 20 KT OR LESS. SEAS TO 8 FT 
IN DECAYING NW SWELL.

.18 HOUR FORECAST WITHIN 22N132W TO 23N135W TO 20N138W TO 
20N134W TO 21N135W TO 22N132W WINDS 20 KT OR LESS. SEAS 8 FT IN 
E WIND WAVES MIXED WITH NW SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 15N128W TO 18N135W TO 21N140W TO 
14N140W TO 14N135W TO 12N130W TO 15N128W WINDS 20 KT OR LESS. 
SEAS 8 FT IN E WIND WAVES MIXED WITH NW SWELL.

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

CONVECTION VALID AT 2130 UTC SAT OCT 12...

.SCATTERED MODERATE WITHIN 60 NM OF 12N124W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N86W TO 09N94W TO LOW PRES 
NEAR 08N99W 1011 MB TO 08N110W TO 09N122W THEN TRANSITIONS TO 
THE ITCZ AND CONTINUES TO 09N130W TO BEYOND 08N140W. SCATTERED 
MODERATE ISOLATED STRONG WITHIN 60 NM N OF THE TROUGH BETWEEN 
90W AND 95W AND WITHIN 30 NM OF THE TROUGH BETWEEN 105W AND 
108W. SCATTERED MODERATE WITHIN 120 NM S OF THE TROUGH BETWEEN 
90W AND 95W AND WITHIN 60 NM S OF THE TROUGH BETWEEN 95W AND 
100W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1800 UTC OCT 12 2024.
24 HOUR FORECAST VALID 1800 UTC OCT 13 2024.
48 HOUR FORECAST VALID 1800 UTC OCT 14 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WEAK FRONT 30N142W 28N152W NEAR STATIONARY.
.24 HOUR FORECAST FRONT DISSIPATED.

.TROUGH 26N140W 25N143W 22N145W 19N145W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH 24N148W 21N150W 18N149W.
.48 HOUR FORECAST DISSIPATED.

.24 HOUR FORECAST NEW WEAK FRONT 30N148W 29N156W 29N169W.
.48 HOUR FORECAST FRONT MOVED N OF AREA.

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

.24 HOUR FORECAST SEAS 8 TO 12 FT N OF LINE 30N175W 26N166W
30N149W.
.48 HOUR FORECAST SEAS 8 TO 12 FT N OF LINE 30N173W 20N167W
20N147W 26N140W.

.SEAS 8 FT OR LOWER OVER ENTIRE FORECAST AREA.

.ITCZ 08N140W 09N150W 11N164W 09N170W 09N179E. ISOLATED MODERATE
TSTMS WITHIN 180 NM S OF ITCZ E OF 155W...AND WITHIN 180 NM N OF
ITCZ W OF 165W.

.SCATTERED MODERATE TO STRONG TSTMS FROM 02N TO 26N W OF 170E.


$$

.FORECASTER PIERCE. HONOLULU HI.