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000
FZPN02 KWBC 201725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC SAT APR 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

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 1200 UTC APR 20.
24 HOUR FORECAST VALID 1200 UTC APR 21.
48 HOUR FORECAST VALID 1200 UTC APR 22.

.WARNINGS.

...STORM WARNING...
.24 HOUR FORECAST LOW 56N173E 999 MB. WITHIN 300 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 54N175E 979 MB.
WITHIN 300 NM NW AND 240 NM SW QUADRANTS WINDS 35 TO 50 KT. SEAS
12 TO 20 FT. ELSEWHERE N OF 50N W OF 166W WINDS 25 TO 40 KT.
SEAS 8 TO 17 FT.

...GALE WARNING...
.LOW W OF AREA 41N165E 988 MB MOVING E 20 KT THEN MOVING NE 30
KT AFTER 24 HOURS. FRONT FROM 42N160E TO 37N167E. WITHIN 120 NM
N AND NE OF FRONT WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST LOW 42N166E 992 MB AND
SECOND LOW 39N164E 993 MB. WITHIN 480 NM S AND SW QUADRANTS OF
FIRST LOW AND W OF A LINE FROM 44N166E TO 49N175E WINDS 25 TO 35
KT. SEAS 10 TO 20 FT....EXCEPT SEAS 9 TO 15 FT W OF THE LINE.
.48 HOUR FORECAST COMBINED LOW ABSORBED INTO LOW 54N175E 979 MB
DESCRIBED ABOVE.

...GALE WARNING...
.LOW 45N172W 1005 MB MOVING E 20 KT. FRONT FROM LOW TO 43N170W
TO 40N172W TO 35N179W. WITHIN 240 NM E OF FRONT WINDS 20 TO 30
KT. SEAS TO 10 FT.
.06 HOUR FORECAST LOW 44N167W 1001 MB. WITHIN 420 NM S AND 300
NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW 45N155W 1003 MB. FRONT FROM LOW TO 40N156W
TO 37N159W. WITHIN 240 NM E AND SE OF FRONT WINDS 25 TO 35 KT.
SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW 52N147W 999 MB. FROM 45N TO 55N BETWEEN
137W AND 152W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.LOW 48N135W 1003 MB MOVING NE 15 KT. WITHIN 360 NM S QUADRANT
WINDS 20 TO 30 KT. SEAS TO 12 FT.
.06 HOUR FORECAST LOW 49N132W 1003 MB. WITHIN 240 NM S AND 180
NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 53N133W 1007 MB. WITHIN 240 NM S AND SW
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.
.36 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.24 HOUR FORECAST FROM 32N TO 42N E OF 127W AREA OF N TO NW
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.36 HOUR FORECAST FROM 37N TO 43N E OF 127W AREA OF N WINDS 25
TO 35 KT. SEAS 10 TO 14 FT.
.48 HOUR FORECAST FROM 34N TO 43N E OF 128W AREA OF N TO NW
WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

.SYNOPSIS AND FORECAST.

.LOW 51N152W 1002 MB MOVING NE 10 KT. WITHIN 420 NM S AND 360 NM
SW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW DISSIPATED WITH ASSOCIATED CONDITIONS
DIMINISHED.

.LOW 54N168W 1004 MB MOVING SE 10 KT. WITHIN 240 NM SW QUADRANT
WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW DISSIPATED WITH ASSOCIATED CONDITIONS
DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 49N
BETWEEN 164W AND 176W...FROM 41N TO 47N W OF 170E AND N OF 56N
BETWEEN 160W AND 173W.
.24 HOUR FORECAST DENSE FROM 42N TO 53N BETWEEN 180W AND
164E...AND FROM 52N TO 61N BETWEEN 173W AND 166E AND FROM 45N TO
53N BETWEEN 149W AND 158W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 55N BETWEEN 163W AND
178E...AND N OF 55N W OF 174W.

.LIGHT TO MODERATE FREEZING FREEZING SPRAY N OF 58N BETWEEN 169W
AND 177W.
.24 HOUR FORECAST CONDITIONS IMPROVED.

.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 1200 UTC SAT APR 20.
24 HOUR FORECAST VALID 1200 UTC SUN APR 21.
48 HOUR FORECAST VALID 1200 UTC MON APR 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 11N135W TO 14N140W TO 04N140W TO 07N135W TO 11N135W
WINDS 20 KT OR LESS. SEAS 8 FT IN N AND NE SWELL.
.24 HOUR FORECAST WITHIN 14N131W TO 15N140W TO 04N140W TO
07N130W TO 09N128W TO 14N131W WINDS 20 KT OR LESS. SEAS 8 FT IN N
AND NE SWELL.
.48 HOUR FORECAST WITHIN 11N134W TO 14N137W TO 13N140W TO
05N140W TO 06N135W TO 08N133W TO 11N134W WINDS 20 KT OR LESS.
SEAS 8 FT IN N AND NE SWELL.

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

CONVECTION VALID AT 1440 UTC SAT APR 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 08N78W TO 07N83W TO 08N94W TO 06N115W. ITCZ
FROM 06N115W TO 06N125W. IT RESUMES FROM 05N134W TO 03N140W.
SCATTERED MODERATE FROM 05N TO 10N BETWEEN 84W AND 126W...AND
FROM 01N TO 04N BETWEEN 134W AND 140W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1200 UTC APR 20 2024.
24 HOUR FORECAST VALID 1200 UTC APR 21 2024.
48 HOUR FORECAST VALID 1200 UTC APR 22 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N164E TO 25N160E MOVING E 15 KT. ISOLATED MODERATE
TSTMS WITHIN 90 NM E OF FRONT N OF 25N.
.24 HOUR FORECAST FRONT FROM 30N170E TO 26N165E TO 24N160E. WINDS
DECREASED TO 20 KT OR BELOW.
.48 HOUR FORECAST FRONT FROM 30N175E TO 25N165E.

.TROUGH FROM 26N140W TO 21N145W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH FROM 27N140W TO 25N144W 20N148W.
.48 HOUR FORECAST TROUGH FROM 26N140W TO 24N145W.

.E TO NE WINDS 20 TO 25 KT FROM 05N TO 15N E OF 178W.
.24 HOUR FORECAST E TO NE WINDS 20 TO 25 KT FROM 05N TO 15N
E OF 174E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 15N
BETWEEN
141W AND 177E.

.24 HOUR FORECAST SEAS 8 TO 10 FT N OF 28N W OF 163E.
.48 HOUR FORECAST SEAS 8 TO 11 FT N OF A LINE FROM 30N173E TO
24N169E TO 24N160E. SEAS 8 TO 9 FT FROM 06N TO 13N BETWEEN 159W
AND
170W.

.WINDS 20 KT OR LESS AND SEAS 8 FT OR LOWER OVER REMAINDER OF
AREA.

.ITCZ FROM 03N140W TO 04N158W TO 03N180W TO 05N165E TO 08N160E.
SCATTERED MODERATE TSTMS WITHIN 240 NM OF ITCZ W OF 160W. ISOLATED
MODERATE TSTMS WITHIN 90 NM OF ITCZ E OF 145W.



$$

.FORECASTER TSAMOUS. HONOLULU HI.