884
FZPN01 KWBC 212158
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SAT SEP 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 21.
24 HOUR FORECAST VALID 1800 UTC SEP 22.
48 HOUR FORECAST VALID 1800 UTC SEP 23.

.WARNINGS.

...STORM WARNING...
.LOW 48N175E 973 MB MOVING NE 40 KT. WITHIN 420 NM SE AND 540 NM
SW QUADRANTS WINDS 40 TO 55 KT. SEAS 18 TO 30 FT. ELSEWHERE
WITHIN 960 NM SE...780 NM W AND SW...600 NM N...AND 360 NM NE
QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.
.24 HOUR FORECAST LOW 54N161W 971 MB. WITHIN 660 NM S QUADRANT
WINDS 35 TO 50 KT. SEAS 16 TO 26 FT. ELSEWHERE WITHIN 960 NM S
SEMICIRCLE...660 NM NW QUADRANT...AND 540 NM NE QUADRANT WINDS 25
TO 40 KT. SEAS 10 TO 20 FT.
.36 HOUR FORECAST LOW 56N154W 974 MB. WITHIN 120 NM N AND E OF A
LINE FROM LOW CENTER TO 58N147W TO 57N141W TO 54N136W WINDS 30 TO
45 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW 57N150W 974 MB. WITHIN 360 NM N...840 NM
E...1020 NM S...AND 720 NM W AND NW QUADRANTS WINDS 25 TO 40 KT.
SEAS 9 TO 24 FT...HIGHEST IN S QUADRANT.

...GALE WARNING...
.LOW 51N147W 1006 MB MOVING NE 30 KT. WITHIN 420 NM S AND SE
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND. CONDITIONS DIMINISHED.

...GALE WARNING...
.48 HOUR FORECAST LOW 42N162E 1002 MB. BETWEEN 47N AND A LINE
FROM 34N160E TO 43N176E WINDS 25 TO 35 KT. SEAS TO 12 FT.

.SYNOPSIS AND FORECAST.

.LOW 57N137W 998 MB MOVING NE 10 KT. WITHIN 180 NM W SEMICIRCLE
AND 540 NM S QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

.FROM 35N TO 44N E OF 129W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST FROM 34N TO 44N BETWEEN 124W AND 129W WINDS 20
TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST FROM 33N TO 44N BETWEEN 124W AND 130W WINDS 20
TO 30 KT. SEAS TO 11 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 46N
BETWEEN 150W AND 180W AND FROM 46N TO 52N BETWEEN 150W AND 138W.
.24 HOUR FORECAST DENSE FOG FROM 48N TO 54N BETWEEN 138W AND
150W.
.48 HOUR FORECAST VSBY IMPROVED.

.FORECASTER ACHORN. 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 SAT SEP 21.
24 HOUR FORECAST VALID 1800 UTC SUN SEP 22.
48 HOUR FORECAST VALID 1800 UTC MON SEP 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 14N112W TO 15N113W TO 13N117W TO 12N117W TO 11N116W TO
12N113W TO 14N112W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
WITHIN 14N105W TO 15N106W TO 15N108W TO 14N108W TO 13N107W TO
13N105W TO 14N105W W WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST WITHIN 13N113W TO 15N113W TO 15N114W TO
12N117W TO 11N117W TO 13N113W W WINDS 20 TO 25 KT. SEAS 8 FT.
WITHIN 13N110W TO 14N111W TO 13N112W TO 12N113W TO 11N111W TO
13N110W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST WITHIN 13N98W TO 13N103W TO 14N110W TO 11N112W
TO 11N105W TO 08N96W TO 13N98W SW TO W WINDS 20 TO 25 KT. SEAS 8
TO 9 FT.

.LOW PRES NEAR 10N138W 1010 MB. WITHIN 12N137W TO 12N139W TO
12N140W TO 10N140W TO 10N138W TO 11N137W TO 12N137W S WINDS 20
TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST CONDITIONS IMPROVE. 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 2030 UTC SAT SEP 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 12N87W TO 15N110W TO 10N140W. SCATTERED
MODERATE WITHIN 150 NM ON EITHER SIDE OF THE BOUNDARY...WITH THE
HIGHEST COVERAGE W OF 135W.


.FORECASTER ERA. NATIONAL HURRICANE CENTER.

$$