372
FZPN01 KWBC 190952
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC THU SEP 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SEP 19.
24 HOUR FORECAST VALID 0600 UTC SEP 20.
48 HOUR FORECAST VALID 0600 UTC SEP 21.

.WARNINGS.

...STORM WARNING...
.48 HOUR FORECAST LOW 48N163E 976 MB. WITHIN 300 NM S AND SW
SEMICIRCLES WINDS 40 TO 55 KT. SEAS 12 TO 18 FT. ELSEWHERE FROM
37N TO 51N W OF 173E WINDS 25 TO 40 KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.LOW 60N142W 1003 MB MOVING SE 10 KT. WITHIN 420 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.COMPLEX LOW WITH MAIN LOW 49N171W 1003 MB MOVING NE 30 KT. FROM
41N TO 52N BETWEEN 162W AND 179W WINDS 25 TO 35 KT. SEAS 8 TO 13
FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 52N161W 1001 MB.
FROM 45N TO 54N BETWEEN 144W AND 165W WINDS 25 TO 35 KT. SEAS 8
TO 15 FT.
.48 HOUR FORECAST LOW 56N142W 992 MB. FROM 51N TO 58N BETWEEN
128W AND 145W WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.

...GALE WARNING...
.LOW W OF AREA 53N164E 989 MB MOVING N 10 KT. WITHIN 360 NM E
QUADRANT WINDS 25 TO 35 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW W OF AREA 55N164E 992 MB. N OF 53N BETWEEN
178W AND 174E WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW AND CONDITIONS W OF AREA.

...GALE WARNING...
.FROM 35N TO 45N BETWEEN 125W AND 132W AREA OF N WINDS TO 25 KT.
SEAS TO 9 FT.
.24 HOUR FORECAST FROM 36N TO 50N BETWEEN 124W AND 130W AREA OF
N WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST FROM 37N TO 43N BETWEEN 124W AND 127W AREA OF
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.

...GALE WARNING...
.12 HOUR FORECAST LOW 48N164E 996 MB. WITHIN 360 NM S SEMICIRCLE
WINDS 25 TO 40 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW 50N175E 988 MB. WITHIN 300 NM S SEMICIRCLE
AND 240 NM NE QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW 53N175W 996 MB. WITHIN 240 NM N AND NE
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.


.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 50N
BETWEEN 176E AND 155W.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 54N BETWEEN 166W AND
145W.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM SE OF A LINE FROM
47N161W TO 51N145W.

.FORECASTER ROWLAND. 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 0600 UTC THU SEP 19.
24 HOUR FORECAST VALID 0600 UTC FRI SEP 20.
48 HOUR FORECAST VALID 0600 UTC SAT SEP 21.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 07N96W TO 07N96.5W TO 06.5N97W TO 06.5N96.5W TO 06.5N96W
TO 06.5N95.5W TO 07N96W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED S
SWELL AND SW WAVES.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.12 HOUR FORECAST WITHIN 10N108W TO 08N117W TO 08N117W TO
10N108W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SE SWELL AND SW
WAVES.
.24 HOUR FORECAST WITHIN 11N107W TO 11N108W TO 10N107W TO
11N107W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SE SWELL AND SW
WAVES.
.48 HOUR FORECAST WITHIN 13N106W TO 13N107W TO 12N108W TO
12N107W TO 12N105W TO 13N106W SW TO W WINDS 20 TO 25 KT. SEAS 8
TO 9 FT IN MIXED SE AND SW SWELL.

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

CONVECTION VALID AT 0830 UTC THU SEP 19...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 10.5N73W TO 10.5N96W TO 11.5N104W TO
08.5N126W TO 10N140W. SCATTERED TO LOCALLY NUMEROUS MODERATE TO
STRONG CONVECTION FROM 03.5N TO 07.5N E OF 79W...FROM 07N TO
16.5N BETWEEN 82W AND 111W...AND FROM 07.5N TO 13.5N BETWEEN
111W AND 129W. SCATTERED MODERATE ISOLATED STRONG CONVECTION
FROM 07.5N TO 14N BETWEEN 134W AND 140W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.