927
FZPN01 KWBC 250356
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC WED SEP 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SEP 25.
24 HOUR FORECAST VALID 0000 UTC SEP 26.
48 HOUR FORECAST VALID 0000 UTC SEP 27.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 46N174W 999 MB MOVING E 40 KT. FROM 38N TO 49N BETWEEN 159W
AND 172E WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST LOW 48N152W 990 MB. FROM 42N TO 47N BETWEEN
154W AND 161W WINDS 35 TO 50 KT. SEAS 12 TO 22 FT. ELSEWHERE FROM
37N TO 50N BETWEEN 140W AND 170W WINDS 25 TO 40 KT. SEAS 8 TO 16
FT.
.48 HOUR FORECAST LOW 51N134W 978 MB. WITHIN 120 NM SW QUADRANT
WINDS 50 TO 65 KT. SEAS 20 TO 30 FT. ALSO WITHIN 240 NM S AND 120
NM W QUADRANTS...AND 120 NM E AND NE OF A LINE FROM 52N134W TO
50N130W WINDS 40 TO 55 KT. SEAS 11 TO 22 FT. ELSEWHERE FROM 42N
TO 55N E OF 142W WINDS 25 TO 40 KT. SEAS 8 TO 18 FT...HIGHEST SW
OF THE LOW.

...GALE WARNING...
.FROM 35N TO 41N W OF 165E WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST FROM 35N TO 41N W OF 176E WINDS 20 TO 30 KT.
SEAS TO 11 FT.
.48 HOUR FORECAST FROM 35N TO 44N BETWEEN 172E AND 160E WINDS 25
TO 35 KT. SEAS 8 TO 16 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW NW OF AREA 61N176E 995 MB. N OF 49N W OF
176W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 58N176W 998 MB. WITHIN 300 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS 10 TO 16 FT. ELSEWHERE N OF 49N BETWEEN
161W AND 171E WINDS 20 TO 30 KT. SEAS TO 12 FT.

.SYNOPSIS AND FORECAST.

.LOW 60N147W 986 MB MOVING SW 5 KT. WITHIN 960 NM S AND 660 NM W
QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW 59N150W 992 MB. WITHIN 420 NM SW QUADRANT
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 57N149W 999 MB. WITHIN 420 NM S AND SW OF A
LINE FROM 53N142W TO 58N156W WINDS 20 TO 30 KT. SEAS TO 12 FT.

.48 HOUR FORECAST FROM 37N TO 40N E OF 126W WINDS 20 TO 30 KT.
SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 47N
BETWEEN 163W AND 176W.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 48N BETWEEN 145W AND
151W.
.48 HOUR FORECAST DENSE FOG CONDITIONS IMPROVED.

.FORECASTER COLLINS. 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 0000 UTC WED SEP 25.
24 HOUR FORECAST VALID 0000 UTC THU SEP 26.
48 HOUR FORECAST VALID 0000 UTC FRI SEP 27.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 16N102W 1001 MB. FROM 10N TO 16N BETWEEN 98W AND
104W SW WINDS 25 TO 30 KT. SEAS 11 TO 14 FT. WITHIN 30 NM OF
COAST OF MEXICO E TO SE WINDS 20 TO 30 KT. SEAS 9 TO 12 FT.
ELSEWHERE FROM 08N TO 16N BETWEEN 97W AND 105W AND FROM 08N TO
14N BETWEEN 105W AND 115W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO
10 FT. FROM 07N TO 08N BETWEEN 88W AND 101W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN W TO NW SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
16N102W 1000 MB. FROM 12N TO 16N BETWEEN 98W AND 104W SW WINDS
25 TO 30 KT. SEAS 12 TO 16 FT. ELSEWHERE FROM 08N TO 16N BETWEEN
97W AND 105W AND FROM 09N TO 13N BETWEEN 105W AND 116W SW TO W
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. FROM 07N TO 08N BETWEEN 89W
AND 102W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN W TO NW SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
16N101W 999 MB. FROM 11N TO 16N BETWEEN 97W AND 105W SW WINDS 25
TO 30 KT. SEAS 12 TO 17 FT. ELSEWHERE FROM 08N TO 16N BETWEEN
96W AND 109W AND FROM 09N TO 13N BETWEEN 109W AND 118W SW TO W
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. FROM 07N TO 08N BETWEEN 89W
AND 104W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN W TO NW SWELL.

.18 HOUR FORECAST NW OF LINE FROM 30N132W TO 25N140W WINDS 20 KT
OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST NW OF LINE FROM 30N128W TO 26N135W TO 22N140W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST N OF 22N BETWEEN 123W AND 136W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN DECAYING NW SWELL.

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

CONVECTION VALID AT 0315 UTC WED SEP 25...

.LOW PRES NEAR 16N102W 1001 MB...NUMEROUS STRONG WITHIN 120 NM
NE AND 180 NM SW SEMICIRCLES OF LOW. SIMILAR CONVECTION WITHIN
60 NM OF 19N104W.

.SCATTERED MODERATE ISOLATED STRONG FROM 13N TO 16N BETWEEN
96W AND 100W.

.SCATTERED MODERATE FROM 06N TO 08N BETWEEN 82W AND 87W AND
FROM 10N TO 13N BETWEEN 86W AND 90W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH AXIS EXTENDS FROM 13N106W TO 14N118W TO
11N130W. THE ITCZ EXTENDS FROM 11N130W TO 10N140W. SCATTERED
MODERATE WITHIN 120 NM S OF THE TROUGH BETWEEN 106W AND 112W AND
WITHIN 60 NM S OF THE TROUGH BETWEEN 117W AND 120W.


.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

$$