442
FZPN01 KWBC 242157
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC TUE SEP 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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
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 SEP 24.
24 HOUR FORECAST VALID 1800 UTC SEP 25.
48 HOUR FORECAST VALID 1800 UTC SEP 26.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 46N176E 1003 MB MOVING E 40 KT. FROM 41N TO 48N BETWEEN
174W AND 173E WINDS 25 TO 40 KT. SEAS 8 TO 16 FT. ELSEWHERE FROM
36N TO 48N W OF 162W WINDS TO 25 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 47N159W 994 MB. FROM 41N TO 48N BETWEEN
162W AND 165W WINDS 35 TO 50 KT. SEAS 12 TO 19 FT. ELSEWHERE
FROM 39N TO 48N BETWEEN 158W AND 169W WINDS 25 TO 35 KT. SEAS 8
TO 14 FT. ALSO FROM 37N TO 49N BETWEEN 144W AND 174W WINDS TO 25
KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 50N138W 978 MB. WITHIN 90 NM SW OF A LINE
FROM 50N140W TO 47N137W WINDS 50 TO 65 KT. SEAS 18 TO 28 FT.
ELSEWHERE WITHIN 120 NM SW OF A LINE FROM 50N141W TO 46N135W
WINDS 40 TO 50 KT. SEAS 15 TO 24 FT. ALSO FROM 42N TO 52N
BETWEEN 127W AND 144W WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.
FINALLY WITHIN 600 NM NW OF A LINE FROM 48N124W TO 40N140W TO
35N157W WINDS TO 25 KT. SEAS TO 12 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW NW OF AREA 62N173E 998 MB. N OF 49N W OF
179W W TO SW WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW 58N178W 998 MB. WITHIN 360 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE N OF 49N BETWEEN
163W AND 170E WINDS TO 25 KT. SEAS TO 11 FT.

...GALE WARNING...
.24 HOUR FORECAST FROM 36N TO 41N W OF 171E AREA OF NE TO E
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST WITHIN 240 NM N OF A LINE FROM 40N160E TO
36N170E WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE FROM 36N TO
38N BETWEEN 170W AND 170E WINDS TO 25 KT. SEAS TO 10 FT.

.SYNOPSIS AND FORECAST.

.LOW 59N148W 987 MB MOVING W 15 KT. WITHIN 420 NM SE...900 NM
SW...AND 780 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 18 FT.
.24 HOUR FORECAST LOW 59N150W 992 MB. WITHIN 480 NM SW QUADRANT
WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 58N150W 993 MB. EXCEPT WHERE DESCRIBED IN
HURRICANE FORCE WIND WARNING...N OF 45N BETWEEN 147W AND 160W
WINDS 20 TO 30 KT. SEAS TO 12 FT.

.48 HOUR FORECAST FROM 37N TO 41N BETWEEN 125W AND 127W AREA OF
N WINDS TO 25 KT. SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 47N
BETWEEN 164W AND 178E AND N OF 51N E OF 132W.
.24 HOUR FORECAST DENSE FOG FROM 43N TO 47N BETWEEN 149W AND
156W.
.48 HOUR FORECAST DENSE FROM FROM 37N TO 41N W OF 165E.

.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 TUE SEP 24.
24 HOUR FORECAST VALID 1800 UTC WED SEP 25.
48 HOUR FORECAST VALID 1800 UTC THU SEP 26.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 14N98W TO 16N100W TO 14N104W TO 11N108W TO 10N105W TO
11N99W TO 14N98W SW WINDS 20 TO 30 KT. SEAS 11 TO 13 FT.
ELSEWHERE WITHIN 13N93W TO 17N101W TO 11N112W TO 08N96W TO
10N92W TO 13N93W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN W
SWELL.
.24 HOUR FORECAST WITHIN 14N97W TO 16N99W TO 15N105W TO 10N109W
TO 10N103W TO 10N99W TO 14N97W SW TO W WINDS 20 TO 35 KT. SEAS 12
TO 17 FT. ELSEWHERE WITHIN 15N94W TO 18N104W TO 11N111W TO
09N103W TO 09N96W TO 12N89W TO 15N94W...INCLUDING THE GULF OF
TEHUANTEPEC...WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN W TO NW
SWELL.
.48 HOUR FORECAST WITHIN 14N97W TO 18N104W TO 14N105W TO 11N113W
TO 09N109W TO 11N100W TO 14N97W SW TO W WINDS 20 TO 30 KT. SEAS
12 TO 17 FT IN W TO NW SWELL. ELSEWHERE WITHIN 16N94W TO 18N102W
TO 17N106W TO 11N114W TO 08N103W TO 12N90W TO 16N94W...INCLUDING
THE GULF OF TEHUANTEPEC...WINDS 20 KT OR LESS. SEAS 10 TO 12 FT
IN W TO NW SWELL.

.24 HOUR FORECAST WITHIN 30N136W TO 30N140W TO 28N140W TO
29N139W TO 30N136W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW
SWELL.
.48 HOUR FORECAST WITHIN 30N125W TO 30N133W TO 27N138W TO
23N140W TO 22N137W TO 26N129W TO 30N125W WINDS 20 KT OR LESS.
SEAS 8 FT IN NW SWELL.

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

CONVECTION VALID AT 1800 UTC TUE SEP 24...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH AXIS EXTENDS FROM 1004 MB REMNANTS OF JOHN TO
13N112W TO 12N125W. THE ITCZ EXTENDS FROM 12N125W TO 10N140W.
SCATTERED MODERATE FROM 11N TO 14N BETWEEN 113W AND 121W...AND
FROM 08N TO 11N BETWEEN 132W AND 140W.

$$
.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.