397
FZPN01 KWBC 250944
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SEP 25.
24 HOUR FORECAST VALID 0600 UTC SEP 26.
48 HOUR FORECAST VALID 0600 UTC SEP 27.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 46N169W 999 MB MOVING E 30 KT. FROM 38N TO 49N BETWEEN 154W
AND 177E WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST LOW 48N147W 986 MB. WITHIN 240 NM SW QUADRANT
WINDS 35 TO 50 KT. SEAS 9 TO 18 FT. ELSEWHERE FROM 38N TO 50N
BETWEEN 136W AND 160W WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.
.36 HOUR FORECAST LOW 50N138W 977 MB. WITHIN 120 NM SW SEMICIRCLE
WINDS 50 TO 65 KT. SEAS 15 TO 25 FT.
.48 HOUR FORECAST LOW 52N132W 983 MB. WITHIN 240 NM S SEMICIRCLE
WINDS 40 TO 55 KT. SEAS 15 TO 30 FT. ELSEWHERE FROM 45N TO 55N E
OF 140W WINDS 25 TO 40 KT. SEAS 8 TO 22 FT...HIGHEST SW OF THE
LOW.

...GALE WARNING...
.LOW NW OF AREA 62N169E 1001 MB MOVING SE 10 KT. N OF 49N W OF
171E WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW NW OF AREA 60N178E 994 MB. WITHIN 240 NM S
QUADRANT WINDS 25 TO 35 KT. SEAS 10 TO 16 FT. ELSEWHERE N OF 49N
W OF 173W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 56N173W 998 MB. WITHIN 300 NM NW AND SW
SEMICIRCLES WINDS 25 TO 35 KT. SEAS 10 TO 18 FT. ELSEWHERE N OF
47N BETWEEN 160W AND 175E WINDS 20 TO 30 KT. SEAS TO 12 FT.

...GALE WARNING...
.FROM 35N TO 41N BETWEEN 168E AND 160E WINDS 20 TO 30 KT. SEAS TO
10 FT.
.24 HOUR FORECAST FROM 34N TO 42N BETWEEN 170E AND 160E WINDS 20
TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 40N161E 999 MB. FROM 32N TO 44N BETWEEN
176E AND 160E WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.

.SYNOPSIS AND FORECAST.

.LOW 59N149W 989 MB MOVING SW 5 KT. WITHIN 720 NM S AND 600 NM W
QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW 58N149W 992 MB. N OF 50N WITHIN 600 NM SW
QUADRANT WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST 57N145W 1001 MB. WITHIN 420 NM S AND SW OF A
LINE FROM 53N140W TO 58N154W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.

.48 HOUR FORECAST FROM 35N TO 40N E OF 126W WINDS TO 25 KT. SEAS
TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 47N
BETWEEN 155W AND 170W.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 50N BETWEEN 137W AND
148W.
.48 HOUR FORECAST 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 0600 UTC WED SEP 25.
24 HOUR FORECAST VALID 0600 UTC THU SEP 26.
48 HOUR FORECAST VALID 0600 UTC FRI SEP 27.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 16N103W 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. NUMEROUS SQUALLS AND TSTMS
FROM 13N TO 19N BETWEEN 100W AND 106W.
.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 11 TO 17 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
17N102W 999 MB. FROM 11N TO 16N BETWEEN 99W AND 105W SW WINDS 25
TO 30 KT. SEAS 12 TO 19 FT. ELSEWHERE FROM 08N TO 16N BETWEEN
97W AND 110W AND FROM 09N TO 13N BETWEEN 109W AND 117W 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.

.12 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 26N133W TO 21N140W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.42 HOUR FORECAST N OF 22N BETWEEN 123W AND 136W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN DECAYING NW SWELL.
.48 HOUR FORECAST 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 0915 UTC WED SEP 25...

.LOW PRES NEAR 16N103W 1001 MB...NUMEROUS STRONG WITHIN 90 NM E
SEMICIRCLE AND 180 NM W SEMICIRCLES OF LOW.

.SCATTERED MODERATE TO STRONG FROM 10N TO 13N BETWEEN 86W AND
91W AND FROM 03N TO 08N BETWEEN 77W AND 79W.

.SCATTERED MODERATE ISOLATED STRONG FROM 13N TO 16N BETWEEN
96W AND 101W.

.SCATTERED MODERATE FROM 06N TO 08N BETWEEN 83W AND 85W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH AXIS BEGINS TO THE SW OF THE 1001 MB LOW NEAR
16N103W. IT EXTENDS FROM 13N106W TO 14N118W TO 11N130W TO
10N140W. SCATTERED MODERATE WITHIN 120 NM S OF THE TROUGH
BETWEEN 106W AND 110W AND WITHIN 60 NM S OF THE TROUGH BETWEEN
116W AND 120W.


.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

$$