HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC OCT 12.
24 HOUR FORECAST VALID 0600 UTC OCT 13.
48 HOUR FORECAST VALID 0600 UTC OCT 14.
.WARNINGS.
...STORM WARNING...
.COMPLEX LOW WITH FIRST CENTER 53N160W 962 MB MOVING E 15
KT...SECOND CENTER 59N151W 976 MB MOVING NW 10 KT...AND THIRD
CENTER 55N143W 979 MB MOVING N 25 KT THEN TURNING NW AFTER 12
HOURS. WITHIN 420 NM SW AND 600 NM NW QUADRANTS OF FIRST CENTER
AND WITHIN 240 NM NE AND E OF A FRONT EXTENDING FROM SECOND
CENTER TO THIRD CENTER TO 51N141W WINDS 45 TO 60 KT. SEAS 18 TO
31 FT...HIGHEST S AND NW OF FIRST CENTER AND E OF SECOND CENTER.
ELSEWHERE WITHIN 600 NM SW AND 720 NM NW QUADRANTS FROM FIRST
CENTER AND WITHIN 300 NM NE AND E OF A FRONT EXTENDING FROM
SECOND CENTER TO THIRD CENTER TO 51N141W WINDS 30 TO 45 KT. SEAS
15 TO 24 FT. ALSO N OF 34N BETWEEN 138W TO 178E AND N OF 46N
BETWEEN 127W AND 140W WINDS 20 TO 30 KT. SEAS 9 TO 15 FT IN A
MIXED SWELL.
.24 HOUR FORECAST LOW 54N152W 967 MB WITH SECOND CENTER
DISSIPATED AND THIRD CENTER WELL INLAND. BETWEEN 300 NM AND 600
NM S AND SW QUADRANTS...BETWEEN 420 NM AND 840 NM W AND NW
QUADRANTS...AND WITHIN THE HECATE STRAIT WINDS 30 TO 45 KT. SEAS
15 TO 28 FT...HIGHEST S OF CENTER...EXCEPT WITHIN THE HECATE
STRAIT SEAS 9 TO 15 FT. ELSEWHERE N OF 35N BETWEEN 126W AND 178W
WINDS 20 TO 30 KT. SEAS 9 TO 20 FT.
.48 HOUR FORECAST LOW 55N150W 980 MB. BETWEEN 180 NM AND 300 NM N
AND NE QUADRANTS...BETWEEN 300 NM AND 600 NM SW QUADRANT...AND N
OF 50N BETWEEN 163W AND 170W WINDS 25 TO 35 KT. SEAS 12 TO 20
FT...HIGHEST S OF CENTER. ELSEWHERE N OF 40N BETWEEN 133W AND
173W...AND N OF 45N E OF 130W WINDS TO 25 KT. SEAS 9 TO 16 FT.
...GALE WARNING...
.LOW W OF AREA 49N156E 986 MB MOVING NE 15 KT. WITHIN 420 NM NE
OF A LINE FROM 50N160E TO 41N170E WINDS 30 TO 45 KT. SEAS 14 TO
25 FT. ELSEWHERE N OF 40N W OF 175E WINDS 20 TO 30 KT. SEAS 9 TO
18 FT.
.24 HOUR FORECAST LOW 51N165E 997 MB. N OF 45N W OF 177E WINDS 25
TO 35 KT. SEAS 10 TO 19 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NW OF AREA 52N163W
993 MB. WITHIN 600 NM S QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 14
FT. ELSEWHERE NW OF A LINE FROM 50N178E TO 40N164E WINDS 20 TO 30
KT. SEAS 8 TO 14 FT IN A MIXED SWELL...HIGHEST NEAR ALEUTIAN
ISLANDS.
.SYNOPSIS AND FORECAST.
.LOW 43N130W 1005 MB MOVING NE 20 KT. WITHIN 300 NM NE AND 480 NM
SE QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DESCRIBED BY LOW
54N152W IN WARNINGS SECTION ABOVE.
.24 HOUR FORECAST NEW LOW 42N178E 1009 MB. FROM 36N TO 47N
BETWEEN 174W AND 170E WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 39N164W 1010 MB. FROM 33N TO 41N BETWEEN
160W AND 172W WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.
.24 HOUR FORECAST NEW LOW 37N169E 1010 MB. WITHIN 120 NM OF LOW
CENTER WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW 37N177E 1012 MB. WITHIN 60 NM S SEMICIRCLE
WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST NEW LOW JUST W OF AREA 32N158E 1005 MB. WITHIN
480 NM NE QUADRANT WINDS 20 TO 30 KT. SEAS TO 12 FT.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 47N TO 55N
BETWEEN 140W AND 145W...FROM 52N TO 58N BETWEEN 160W AND
168W...AND FROM 41N TO 45N BETWEEN 171E AND 176E.
.24 HOUR FORECAST DENSE FOG FROM 54N TO 60N BETWEEN 160W AND
167W.
.48 HOUR FORECAST CONDITIONS IMPROVING.
.FORECASTER ANDERSON. 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 OCT 12.
24 HOUR FORECAST VALID 0600 UTC SUN OCT 13.
48 HOUR FORECAST VALID 0600 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 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 TO 11
FT IN N TO NE SWELL. REMAINDER OF AREA WITHIN 12N96W TO 15N94W
TO 16N95W TO 10N101W TO 08N98W TO 10N95W TO 12N96W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN MERGING N TO NE AND SW SWELL.
.24 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 TO 12 FT.
ELSEWHERE WITHIN 16N95W TO 14N96W TO 13N97W TO 13N96W TO 14N94W
TO 16N95W N TO NE WINDS 20 TO 30 KT. SEAS 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 MERGING NE AND S SWELL.
.27 HOUR FORECAST LITTLE CHANGE EXCEPT WINDS BELOW GALE FORCE.
.48 HOUR FORECAST WITHIN 15N95W TO 16N95W TO 15N96W TO 13N98W TO
15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
30 KT. SEAS TO 10 FT. ELSEWHERE WITHIN 16N95W TO 11N103W TO
05N104W TO 05N97W TO 09N94W TO 16N95W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN MERGING NE SWELL AND S SWELL.
.SYNOPSIS AND FORECAST.
.WITHIN 05N101W TO 13N115W TO 06N129W TO 02N129W TO 03.4S120W TO
03.4S94W TO 05N101W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN S TO
SW SWELL.
.24 HOUR FORECAST WITHIN 11N94W TO 09N101W TO 11N121W TO 02N111W
TO 03N99W TO 07N93W TO 11N94W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN MERGING NE AND S TO SW SWELL. WITHIN 02S107W TO 01S108W TO
02S110W TO 03S114W TO 03.4S115W TO 03.4S103W TO 02S107W WINDS 20
KT OR LESS. SEAS 8 FT IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 14N97W TO 11N103W TO 05N104W TO 05N98W
TO 09N94W TO 14N97W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN
MERGING NE SWELL AND S SWELL.
.WITHIN 30N135W TO 30N140W TO 29N140W TO 29N137W TO 30N135W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 30N126W TO 30N133W TO 29N133W TO
28N131W TO 28N129W TO 30N126W WINDS 20 KT OR LESS. SEAS 8 FT IN
NW SWELL.
.48 HOUR FORECAST WITHIN 29N116W TO 30N120W TO 30N133W TO
26N122W TO 25N120W TO 26N116W TO 29N116W WINDS 20 KT OR LESS.
SEAS 8 FT IN NW SWELL.
.42 HOUR FORECAST WITHIN 20N137W TO 20N138W TO 19N140W TO
18N138W TO 19N137W TO 20N137W WINDS 20 KT OR LESS. SEAS 8 FT IN
E WAVES AND NW SWELL.
.48 HOUR FORECAST WITHIN 18N137W TO 19N137W TO 20N138W TO
20N140W TO 16N140W TO 16N137W TO 18N137W WINDS 20 KT OR LESS.
SEAS 8 FT IN E WAVES AND NW SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
CONVECTION VALID AT 0830 UTC SAT OCT 12...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 11N7W TO 12N83W TO LOW PRES
1010 MB NEAR 08N107W TO 08.5N124W THEN TRANSITIONS TO ITCZ AND
CONTINUES TO 09.5N131W TO BEYOND 09N140W. SCATTERED MODERATE
ISOLATED STRONG CONVECTION FROM 06N TO 11.5N BETWEEN 83W AND
109W. WIDELY SCATTERED MODERATE CONVECTION FROM 07N TO 09.5N
BETWEEN 120W AND 129W.
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E
SYNOPSIS VALID 0600 UTC OCT 12 2024.
24 HOUR FORECAST VALID 0600 UTC OCT 13 2024.
48 HOUR FORECAST VALID 0600 UTC OCT 14 2024.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WEAK FRONT 30N142W 28N150W 28N160W MOVING E SLOWLY.
.24 HOUR FORECAST WEAK FRONT 30N141W 27N151W.
.48 HOUR FORECAST FRONT WEAKENED TO A TROUGH 28N151W 24N157W.
.TROUGH 24N140W 19N145W MOVING W SLOWLY.
.24 HOUR FORECAST WEAK TROUGH 24N143W 21N147W.
.48 HOUR FORECAST DISSIPATED.
.24 HOUR FORECAST NEW WEAK FRONT 30N168W 30N150W
.48 HOUR FORECAST WEAK FRONT 30N154W 28N160W 30N172W.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.48 HOUR FORECAST SEAS 8 TO 11 FT N OF A LINE 30N170W 25N160W
30N140W.
.SEAS 8 FT OR LOWER OVER ENTIRE FORECAST AREA.
.ITCZ 08N140W 09N150W 12N163W 08N169W 09N173W 06N177W. SCATTERED
MODERATE TSTMS WITHIN 180 NM S OF ITCZ W OF 160W. ISOLATED
MODERATE TSTMS ELSEWHERE WITHIN 90 NM N OF ITCZ.
.SCATTERED MODERATE TO STRONG TSTMS WITHIN 180 NM OF POINT
22N166E. ISOLATED MODERATE TSTMS WITHIN 180 NM OF LINE
12N174W 20N168W...AND FROM 05N TO 15N BETWEEN 170E AND 160E.
$$
.FORECASTER PECHACEK. HONOLULU HI.=