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000
FZPN02 KWBC 210525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC SUN APR 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC APR 21.
24 HOUR FORECAST VALID 0000 UTC APR 22.
48 HOUR FORECAST VALID 0000 UTC APR 23.

.WARNINGS.

...STORM WARNING...
.LOW 58N174E 1004 MB MOVING S 10 KT. N OF A LINE FROM 48N160E TO
51N175E WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 53N173E 993 MB. N OF 50N W OF 170W WINDS 25
TO 35 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW 54N177E 971 MB. WITHIN 300 NM S QUADRANT
AND 300 NM W SEMICIRCLE WINDS 35 TO 50 KT. SEAS 13 TO 26 FT.
ELSEWHERE N OF 45N W OF 158W WINDS 25 TO 40 KT. SEAS 8 TO 20
FT...HIGHEST WITHIN 420 NM S QUADRANT. ALSO S OF 48N BETWEEN 155W
AND 167E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT...HIGHEST WINDS E OF
177W.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER E OF AREA 39N156E 991 MB MOVING E
30 KT. WITHIN 600 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 16
FT.
ELSEWHERE WITHIN 540 NM NE QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO
13 FT.
.24 HOUR FORECAST LOW 41N171E 992 MB. WITHIN 780 NM S QUADRANT
WINDS 25 TO 35 KT. SEAS 10 TO 20 FT. ELSEWHERE W OF A LINE FROM
40N169W TO 30N180W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS MERGED WITH LOW
54N177E DESCRIBED ABOVE.

...GALE WARNING...
.LOW 42N169E 1000 MB MOVING NE 25 KT. S OF 44N BETWEEN 177E AND
167E WINDS 20 TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 49N180W 989 MB. FROM 40N TO 50N W OF 168W
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MERGED WITH LOW
54N177E DESCRIBED ABOVE.

...GALE WARNING...
.LOW 44N164W 1000 MB MOVING NE 30 KT. FROM 34N TO 47N BETWEEN
156W AND 173W WINDS 25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 50N149W 1005 MB.
FROM 36N TO 52N BETWEEN 140W AND 156W WINDS 25 TO 35 KT. SEAS TO
12 FT.
.48 HOUR FORECAST COMBINED LOW 51N142W 1003 MB. FROM 43N TO 55N
BETWEEN 132W AND 152W WINDS 25 TO 35 KT. SEAS 8 TO 18 FT.

...GALE WARNING...
.LOW 50N130W 1003 MB MOVING N 15 KT. FROM 44N TO 52N E OF 152W
WINDS 25 TO 40 KT. SEAS 8 TO 17 FT. ELSEWHERE FROM 36N TO 51N
BETWEEN 138W AND 156W WINDS LESS THAN 25 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED. FROM 45N TO 54N E OF 137W WINDS
LESS THAN 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.FROM 32N TO 41N E OF 127W  AREA OF N TO NW WINDS TO 25 KT. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST FROM 32N TO 44N E OF 130W AREA OF N TO NW WINDS
25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST FROM 36N TO 47N E OF 131W AREA OF N TO NW WINDS
20 TO 30 KT. SEAS 8 TO 13 FT.

.SYNOPSIS AND FORECAST.

.LOW 58N156W 1007 MB MOVING W 10 KT. WITHIN 240 NM NE QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW DISSIPATED WITH ASSOCIATED CONDITIONS
DIMINISHED.

.48 HOUR FORECAST NEW LOW 32N133W 1014 MB. WITHIN 120 NM OF LOW
CENTER WINDS TO 25 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 52N BETWEEN
166W AND 173E...FROM 43N TO 46N W OF 171E...AND FROM 47N TO 49N
BETWEEN 156W AND 165W.
.24 HOUR FORECAST DENSE FOG N OF 41N BETWEEN 171W AND 168E AND
FROM 49N TO 53N BETWEEN 148W AND 152W.
.48 HOUR FORECAST DENSE FOG N OF 50N BETWEEN 177E AND 167E AND
WITHIN THE AREA BOUNDED BY 57N175E TO 56N175W TO 44N172W TO
42N157W TO 47N158W TO 54N163W TO 60N178W TO 57N175E.

.LIGHT FREEZING FREEZING SPRAY N OF 59N BETWEEN 174W AND 178W.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.FORECASTER JOSEPH. 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 SUN APR 21.
24 HOUR FORECAST VALID 0000 UTC MON APR 22.
48 HOUR FORECAST VALID 0000 UTC TUE APR 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 11N128W TO 13N130W TO 13N133W TO 10N131W TO 09N130W TO
09N128W TO 11N128W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.
.24 HOUR FORECAST WITHIN 11N133W TO 13N137W TO 13N140W TO
08N140W TO 07N130W TO 11N133W WINDS 20 KT OR LESS. SEAS 8 TO 9
FT IN NE SWELL.
.48 HOUR FORECAST WITHIN 09N137W TO 11N140W TO 06N140W TO
06N138W TO 07N137W TO 09N137W WINDS 20 KT OR LESS. SEAS 8 FT IN
NE SWELL.

.36 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS
20 TO 30 KT. SEAS 8 FT.

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

CONVECTION VALID AT 0230 UTC SUN APR 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 08N78W TO 06N110W. ANOTHER TROUGH ALONG
118W. ITCZ FROM 06N119W TO 06N127W. TROUGH ALONG 131W. THE ITCZ
RESUMES FROM 05N134W TO BEYOND 04N140W. SCATTERED MODERATE
CONVECTION FROM 00N TO 07N AND W OF 134W. SCATTERED SHOWERS ALONG
THE TROUGHS.

.FORECASTER ERA. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 0000 UTC APR 21 2024.
24 HOUR FORECAST VALID 0000 UTC APR 22 2024.
48 HOUR FORECAST VALID 0000 UTC APR 23 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N167E 24N160E MOVING E 10 KT.
.24 HOUR FORECAST FRONT 30N172E 23N160E.
.48 HOUR FORECAST FRONT 30N176E 25N167E 24N160E.

.TROUGH 26N140W 23N145W 17N150W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH 28N140W 17N154W.
.48 HOUR FORECAST TROUGH 26N140W 22N148W.

.NE TO E WINDS 20 TO 25 KT FROM 05N TO 15N E OF 180W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 06N TO 16N
BETWEEN 180W AND 153W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 17N
BETWEEN 180W AND 152W.

.SEAS 8 TO 9 FT FROM 04N TO 15N E OF 176E...AND N OF 29N W OF
162E.
.24 HOUR FORECAST SEAS 12 TO 13 FT N OF 29N W OF 165E. SEAS 8 TO
12 FT ELSEWHERE N OF LINE 24N160E 30N170E. SEAS 8 TO 10 FT FROM
04N TO 16N E OF 172E.
.48 HOUR FORECAST SEAS 8 TO 11 FT N OF A LINE 30N165E 20N164E
30N179E...AND FROM 04N TO 18N E OF 175E.

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

.ITCZ 04N140W 02N156W 04N164W 02N171W 03N177W 02N177E.
SCATTERED MODERATE TSTMS WITHIN 300 NM N AND 150 NM S OF ITCZ W
OF 160W...AND WITHIN 210 NM N AND 120 NM S OF ITCZ E OF 151W.
ISOLATED MODERATE TSTMS WITHIN 300 NM N OF ITCZ BETWEEN 160W AND
151W.

.ISOLATED TO SCATTERED MODERATE TSTMS S OF 12N W OF 177E.

$$

.FORECASTER JELSEMA. HONOLULU HI.