240
FZPN02 KWBC 170525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC TUE SEP 17 2024

CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

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 17.
24 HOUR FORECAST VALID 0000 UTC SEP 18.
48 HOUR FORECAST VALID 0000 UTC SEP 19.

.WARNINGS.

...STORM WARNING...
.LOW 54N178W 983 MB MOVING NE 25 KT. WITHIN 420 NM SE SEMICIRCLE
WINDS 25 TO 40 KT. SEAS 10 TO 17 FT. ELSEWHERE FROM 40N TO 57N
BETWEEN 170W AND 175E WINDS 20 TO 30 KT. SEAS TO 12 FT.
.12 HOUR FORECAST LOW 57N173W 970 MB. WITHIN 120 NM S QUADRANT
WINDS 40 TO 50 KT. SEAS 12 TO 20 FT.
.24 HOUR FORECAST LOW 59N166W 971 MB. WITHIN 240 NM S QUADRANT
WINDS 40 TO 50 KT. SEAS 18 TO 26 FT. ELSEWHERE WITHIN 360 NM SE
SEMICIRCLE AND 240 NM NW QUADRANT WINDS 25 TO 40 KT. SEAS 9 TO
18 FT. ALSO N OF 50N BETWEEN 146W AND 177W WINDS TO 25 KT. SEAS
TO 12 FT.
.48 HOUR FORECAST LOW 59N147W 1000 MB. FROM 52N TO 59N BETWEEN
138W AND 163W WINDS 25 TO 35 KT. SEAS 9 TO 17 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW 40N160E 1008 MB. WITHIN 300 NM SE
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 8 FT.
.36 HOUR FORECAST LOW 42N172E 1002 MB. WITHIN 90 NM N AND 360 NM
SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 44N176E 1004 MB. WITHIN 360 NM SE OF A
LINE FROM 47N178E TO LOW TO 37N167E WINDS 25 TO 35 KT. SEAS TO
11 FT.

.SYNOPSIS AND FORECAST.

.LOW INLAND 61N151W 1003 MB MOVING NE 15 KT. N OF 58N BETWEEN
146W AND 150W WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED.

.FROM 35N TO 44N E OF 129W AREA OF N WINDS 20 TO 30 KT. SEAS TO
11 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW 53N137W 1007 MB MOVING NE 30 KT. WITHIN 240 NM SE OF A LINE
FROM LOW TO 47N149W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST LOW 48N126W 1002 MB. FROM 40N TO 55N BETWEEN
127W AND 138W WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW DISSIPATED. FROM 36N TO 49N BETWEEN 124W
AND 133W WINDS TO 25 KT. SEAS 8 TO 12 FT.

.LOW 55N171E 995 MB MOVING E 15 KT. N OF 45N W OF 177E WINDS TO
25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW ABSORBED BY LOW 59N166W DESCRIBED IN STORM
WARNING ABOVE.

.48 HOUR FORECAST N OF 48N W OF 173E WINDS TO 25 KT. SEAS TO 8
FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 53N
BETWEEN 170W AND 180W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM SE OF A LINE FROM
53N151W TO 45N163W.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 47N BETWEEN 150W AND
180W.

.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 0000 UTC TUE SEP 17.
24 HOUR FORECAST VALID 0000 UTC WED SEP 18.
48 HOUR FORECAST VALID 0000 UTC THU SEP 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.GULF OF CALIFORNIA WITHIN 31N113.5W TO 31N114W TO 30.5N114W TO
30.5N114.5W TO 30N114.5W TO 30N114W TO 31N113.5W SW WINDS 20 TO
30 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN 16N135W TO 18N138W TO 17N140W TO 14N140W TO 15N136W TO
16N135W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.
.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 0230 UTC TUE SEP 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 11.5N73.5W TO 10.5N85W TO 08N93W TO
10.5N104W TO 10.5N122W...THEN ITCZ FROM 10.5N122W TO 08.5N137W
TO BEYOND 09N140W. SCATTERED MODERATE CONVECTION FROM 03.5N TO
09N E OF 96W. SCATTERED MODERATE TO STRONG CONVECTION WITHIN 60
NM OF THE COASTS FROM NW NICARAGUA ALONG 87W TO CABO CORRIENTES
ALONG 106W...FROM 10.5N TO 12N BETWEEN 96W AND 105W...WITHIN 90
NM NW OF A LINE FROM 15.5N112W TO 10N122W...AND FROM 06.5N TO
12N BETWEEN 122W AND 136W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0000 UTC SEP 17 2024.
24 HOUR FORECAST VALID 0000 UTC SEP 18 2024.
48 HOUR FORECAST VALID 0000 UTC SEP 19 2024.

.WARNINGS.



.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N173W 25N176W MOVING W 10 KT. ISOLATED MODERATE TSTMS
WITHIN 90 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 27N162E 22N164E 18N163E MOVING W 10 KT. ISOLATED MODERATE
TSTMS WITHIN 240 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.WINDS 20 TO 25 KT FROM FROM 10N TO 20N E OF 163W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 10N TO 16N BETWEEN
163W AND 150W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 10N TO 17N BETWEEN
165W AND 175W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ 10N166E 08N175E 12N176W 09N170W 10N159W 11N146W 07N140W.
SCATTERED MODERATE TSTMS WITHIN 300 NM OF ITCZ E OF 165W. ISOLATED
MODERATE TSTMS ELSEWHERE WITHIN 210 NM OF ITCZ W OF 165W.

.SCATTERED TSTMS WITHIN 180 NM OF POINT 20N172E.



$$

.FORECASTER PECHACEK. HONOLULU HI.