FZPN02 KWBC 172325
HSFEPI 2345
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC TUE SEP 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
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 SEP 17.
24 HOUR FORECAST VALID 1800 UTC SEP 18.
48 HOUR FORECAST VALID 1800 UTC SEP 19.
.WARNINGS.
…STORM WARNING…
.LOW 58N170W 968 MB MOVING NE 25 KT. WITHIN 180 NM NW AND 360 NM
S SEMICIRCLES WINDS 40 TO 50 KT. SEAS 14 TO 25 FT. ELSEWHERE N OF
49N BETWEEN 150W AND 179E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW 60N149W 996 MB. WITHIN 420 NM SW SEMICIRCLE
WINDS 25 TO 40 KT. SEAS 9 TO 15 FT. ELSEWHERE N OF 52N BETWEEN
139W AND 166W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 59N139W 1009 MB. FROM 53N TO 59N BETWEEN
136W AND 153W WINDS 20 TO 30 KT. SEAS 9 TO 14 FT.
…GALE WARNING…
.LOW W OF AREA NEAR 41N155E 1004 MB MOVING NE 35 KT. FROM 40N TO
42N W OF 164E WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST LOW 42N165E 1007 MB. WITHIN 300 NM SE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 44N173E 1002 MB. WITHIN 480 NM SE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 11 FT.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 46N178W 1006 MB
AND SECOND CENTER 51N160W 1006 MB. WITHIN 120 NM N SEMICIRCLE OF
SECOND CENTER AND WITHIN 360 NM SE OF A LINE FROM 52N155W TO
45N175W TO 38N178E WINDS 25 TO 35 KT. SEAS 9 TO 14 FT.
.SYNOPSIS AND FORECAST.
.FROM 33N TO 37N E OF 128W AREA OF N WINDS LESS THAN 25 KT. SEAS
TO 10 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.
.LOW INLAND NEAR 55N128W 1003 MB MOVING NE 15 KT. FROM 43N TO 56N
BETWEEN 129W AND 137W WINDS TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW 42N126W 1010 MB. FROM 39N TO 50N BETWEEN
127W AND 132W WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW DISSIPATED. FROM 38N TO 49N BETWEEN 125W
AND 130W WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW N OF AREA NEAR 53N161E 994 MB. N OF 49N W
OF 169E WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW N OF AREA NEAR 53N165E 993 MB. WITHIN 180
NM NE OF A LINE FROM 56N172E TO 50N173E WINDS TO 25 KT. SEAS TO
10 FT.
.48 HOUR FORECAST LOW 48N165E 996 MB. WITHIN 660 NM S SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 47N TO 52N
BETWEEN 152W AND 162W…WITHIN 60 NM NW OF A LINE FROM 47N161W TO
45N166W…AND FROM 44N TO 45N BETWEEN 151W AND 157W.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM NE OF A LINE FROM
43N151W TO 44N160W AND WITHIN 120 NM N OF A LINE FROM 45N171W TO
43N177W TO 43N173E.
.48 HOUR FORECAST DENSE FOG FROM 45N TO 51N BETWEEN 151W AND
178W.
.FORECASTER HYDE. 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 1800 UTC TUE SEP 17.
24 HOUR FORECAST VALID 1800 UTC WED SEP 18.
48 HOUR FORECAST VALID 1800 UTC THU SEP 19.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ENTIRE AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
CONVECTION VALID AT 2100 UTC TUE SEP 17…
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH…
THE MONSOON TROUGH EXTENDS FROM THE COAST OF COSTA RICA NEAR
10N85W WESTWARD TO 10N122W. FROM THERE, IT TRANSITIONS TO THE
ITCZ, WHICH EXTENDS WEST-SOUTHWESTWARD TO 07N140W. SCATTERED
MODERATE AND ISOLATED STRONG CONVECTION IS NOTED FROM 07N-12N
WEST OF 130W, FROM 08N-10N BETWEEN 112-117W, AND FROM 07N-14N
BETWEEN 90W-95W.
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E
SYNOPSIS VALID 1800 UTC SEP 17 2024.
24 HOUR FORECAST VALID 1800 UTC SEP 18 2024.
48 HOUR FORECAST VALID 1800 UTC SEP 19 2024.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.TROUGH FROM 19N160E TO 27N160E MOVING NW 15 KT. SCATTERED
MODERATE TSTMS OVER FORECAST FROM 27N TO 17N W OF 165E.
.24 HOUR FORECAST TROUGH DISSIPATED W OF FORECAST AREA.
.48 HOUR FORECAST NEW TROUGH FROM 07N170E TO 10N179W TO 14N170W.
ASSOCIATED WINDS INCLUDED BELOW.
.WINDS E TO NE 20 TO 25 KT FROM 18N TO 10N BETWEEN 179E AND 140W.
.24 HOUR FORECAST WINDS E TO NE 20 TO 25 KT FROM 18N TO 10N
BETWEEN 170E AND 160W.
.48 HOUR FORECAST WINDS E TO NE 20 TO 25 KT FROM 16N TO 10N
BETWEEN 163E AND 170W. ALSO WINDS E TO SE 20 TO 25 KT FROM 08N TO
00N BETWEEN 175W AND 165W.
.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.
.SEAS 8 TO 10 FT FROM 18N TO 00N BETWEEN 165W AND 150W.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 16N TO 00N BETWEEN 173W AND
163W.
.48 HOUR FORECAST SEAS SUBSIDED TO 8 FT OR LOWER.
.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.
.ITCZ FROM 08N140W TO 10N148W TO 09N157W TO 06N164W TO 06N170W TO
08N178W TO 06N174E TO 09N167E. SCATTERED MODERATE TO STRONG TSTMS
WITHIN 180 NM N OF ITCZ. ISOLATED MODERATE TO STRONG TSTMS WITHIN
90 NM S OF ITCZ.
.OTHERWISE AND ELSEWHERE ISOLATED MODERATE TSTMS FROM 30N TO 25N
BETWEEN 175W AND 165W…AND ALSO FROM 15N TO 10N BETWEEN 175E AND
170W.
¤¤
.FORECASTER BEDAL. HONOLULU HI.
UUID 18E1577E-754C-11EF-9470-0AFB0B270000 TX 1
