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000
FZPN02 KWBC 171725
HSFEPI

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

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 17.
24 HOUR FORECAST VALID 1200 UTC APR 18.
48 HOUR FORECAST VALID 1200 UTC APR 19.

.WARNINGS.

...STORM WARNING...
.LOW 53N157W 994 MB MOVING SW 05 KT. WITHIN 480 NM NE...600 NM
E...AND 600 NM W QUADRANTS WINDS 30 TO 45 KT. SEAS 9 TO 21
FT...HIGHEST NE OF CENTER. ELSEWHERE FROM 30N TO 50N BETWEEN
136W AND 150W...FROM 40N TO 50N BETWEEN 150W AND 175W...AND FROM
50N TO 60N BETWEEN 137W AND 176W WINDS 25 TO 35 KT. SEAS 8 TO 15
FT.
.06 HOUR FORECAST LOW 55N158W 991 MB. WITHIN 420 NM NE QUADRANT
WINDS 35 TO 50 KT. SEAS 12 TO 23 FT.
.24 HOUR FORECAST LOW 50N157W 996 MB. N OF 58N BETWEEN MAINLAND
ALASKA AND 150W WINDS 35 TO 50 KT. SEAS 12 TO 20 FT. ELSEWHERE
WITHIN 720 NM NE...840 NM E...1080 NM SE...720 NM S...600 NM
W...AND 780 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 20
FT...HIGHEST NEAR 57N148W.
.48 HOUR FORECAST LOW 50N155W 996 MB. WITHIN 600 NM N...660 NM
NE...780 NM E...660 NM S...AND 600 NM W QUADRANTS WINDS 25 TO 40
KT. SEAS 9 TO 19 FT...HIGHEST S OF CENTER.

...GALE WARNING...
.LOW W OF AREA NEAR 39N159E 998 MB MOVING N 10 KT. FROM 30N TO
48N W OF 175E WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW W OF AREA NEAR 44N158E 1002 MB. FROM 30N
TO 50N W OF 176E WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW DISSIPATED. FROM 35N TO 50N BETWEEN 175W
AND 174E WINDS TO 25 KT. SEAS TO 9 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY NE OF A LINE FROM 58N170W TO
60N178W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 58N166W TO 54N170W TO 58N177E.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 58N
BETWEEN 166W AND 173W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N OF A LINE FROM 57N164W TO 55N168W TO 55N174W TO 58N178E.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 58N165W TO 56N166W TO 55N170W TO 60N178W.

.SYNOPSIS AND FORECAST.

.FROM 33N TO 44N BETWEEN 122W AND 129W AREA OF N WINDS 20 TO 30
KT. SEAS TO 11 FT.
.24 HOUR FORECAST FROM 36N TO 46N BETWEEN 123W AND 129W AREA OF
N WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST LOW W OF AREA NEAR 41N151E 969 MB. FROM 30N TO
44N W OF 164E WINDS 20 TO 30 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 48N TO 58N
BETWEEN 148W AND 167W...N OF THE ALEUTIANS AND E OF 169W...AND
FROM 41N TO 46N W OF 170E.
.24 HOUR FORECAST DENSE FOG FROM 47N TO THE ALEUTIANS BETWEEN
154W AND 166W...N OF THE ALEUTIANS AND E OF 169W...N OF 55N W OF
180W...FROM 38N TO 47N BETWEEN 174E AND 170E...AND FROM 42N TO
50N W OF 170E.
.48 HOUR FORECAST DENSE FOG FROM 46N TO 49N BETWEEN 152W AND
160W...N OF 50N BETWEEN 160W AND 167W...AND FROM 42N TO 52N W OF
180W.

.FORECASTER EHRBAR. 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 WED APR 17.
24 HOUR FORECAST VALID 1200 UTC THU APR 18.
48 HOUR FORECAST VALID 1200 UTC FRI APR 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 14N113W TO 15N120W TO 20N136W TO 08N140W TO 05N124W TO
07N115W TO 14N113W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 11N122W TO 16N136W TO 14N140W TO
07N140W TO 09N129W TO 07N122W TO 11N122W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN S SWELL.
.48 HOUR FORECAST WITHIN 11N132W TO 13N137W TO 14N140W TO
08N140W TO 10N135W TO 11N132W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN E TO SE SWELL.

.WITHIN 25N115W TO 30N120W TO 24N117W TO 22N117W TO 18N114W TO
23N113W TO 25N115W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW
SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE.

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

CONVECTION VALID AT 1500 UTC WED APR 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 08N78W TO 06N93W. ITCZ FROM 06N93W TO 05N115W TO
08N140W. SCATTERED MODERATE FROM 04N TO 08N BETWEEN 133W AND
137W.

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1200 UTC APR 17 2024.
24 HOUR FORECAST VALID 1200 UTC APR 18 2024.
48 HOUR FORECAST VALID 1200 UTC APR 19 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 24N150W 1013 MB MOVING NE 15 KT. FRONT FROM LOW TO
30N150W...AND FROM 30N144W TO 25N144W TO 18N152W THENCE
TROUGH TO 15N158W. MOVING E SLOWLY. S TO SE WINDS 20 TO
25 KT N OF 28N E OF FRONT. ISOLATED MODERATE TSTMS WITHIN
210 NM OF FRONT N OF 25N.
.24 HOUR FORECAST LOW DISSIPATED. FRONT FROM 30N140W TO
23N144W...THENCE TROUGH TO 18N150W. WINDS DECREASED TO 20 KT
OR BELOW.
.48 HOUR FORECAST FRONT FROM 27N140W TO 18N147W.

.FRONT FROM 30N168E TO 25N164E TO 22N160E MOVING E SLOWLY.
S OF SE WINDS 20 TO 25 KT N OF 27N WITHIN 240 NM E FRONT.
ISOLATED MODERATE TSTMS N OF 25N WITHIN 210 NM E OF FRONT.
.24 HOUR FORECAST FRONT FROM 30N170E TO 25N165E. WINDS
DECREASED TO 20 KT OR BELOW.
.48 HOUR FORECAST FRONT WEAKENED TO A TROUGH FROM 30N170E TO
26N163E.

.WINDS 20 TO 25 KT FROM 20N TO 30N BETWEEN 180W AND 170W...
AND FROM 05N TO 15N BETWEEN 170E AND 170W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 05N TO 15N ACROSS
ENTIRE FORECAST AREA...AND FROM 15N TO 30N BETWEEN 175E AND
165W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 05N TO 15N ACROSS
ENTIRE FORECAST AREA...AND FROM 15N TO 25N BETWEEN 175E AND
165W.

.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 8 TO 12 FT N OF LINE FROM 25N160E TO 20N175E TO 05N175W TO
30N140W.
.24 HOUR FORECAST SEAS 8 TO 10 FT FROM 05N TO 25N BETWEEN 175E
AND 160W.
.48 HOUR FORECAST SEAS SUBSIDING TO BELOW 8 FT.

.OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.

.ITCZ FROM 01N165W TO 03N159W TO . SCATTERED MODERATE WITHIN 210
NM
OF ITCZ BETWEEN 180W AND 150W.




$$

.FORECASTER PECHACEK. HONOLULU HI.