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000
FZPN02 KWBC 180525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC THU APR 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 18.
24 HOUR FORECAST VALID 0000 UTC APR 19.
48 HOUR FORECAST VALID 0000 UTC APR 20.

.WARNINGS.

...STORM WARNING...
.LOW 54N160W 991 MB MOVING SE 10 KT. WITHIN 480 NM W AND SW
QUADRANTS...AND WITHIN 300 NM NE OF A LINE FROM 59N162W TO
57N154W TO 53N146W TO 48N143W WINDS 35 TO 50 KT. SEAS 12 TO 24
FT. ELSEWHERE WITHIN 600 NM N...840 NM E...900 NM S...AND 660 NM
W QUADRANTS AND FROM 37N TO 49N BETWEEN 137W AND 145W WINDS 25
TO 35 KT. SEAS 9 TO 15 FT.
.24 HOUR FORECAST LOW 50N159W 995 MB. WITHIN 180 NM NE OF A LINE
FROM 58N155W TO 56N149W TO 53N144W WINDS 35 TO 45 KT. SEAS 13 TO
22 FT. ELSEWHERE WITHIN 480 NM SE QUADRANT...WITHIN 300 NM NE OF
A LINE FROM 57N159W TO 54N147W TO 49N141W TO 43N140W...AND FROM
41N TO 59N BETWEEN 159W AND 171W WINDS 25 TO 40 KT. SEAS 10 TO
18 FT.
.48 HOUR FORECAST LOW 52N154W 996 MB. WITHIN 240 NM N...300 NM
E...AND 600 NM S QUADRANTS...WITHIN 240 NM NE OF A LINE FROM
59N161W TO 57N152W TO 55N143W TO 50N139W...AND WITHIN 360 NM NE
OF A LINE FROM 45N160W TO 52N171W TO 58N176W WINDS 25 TO 35 KT.
SEAS 10 TO 17 FT.

...GALE WARNING...
.LOW W OF AREA NEAR 42N158E 999 MB MOVING NW 10 KT. WITHIN 660
NM NE AND 480 NM SE QUADRANTS...AND FROM 32N TO 42N BETWEEN 175E
AND 170E WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW WELL W OF AREA. FROM 37N TO 50N BETWEEN
179E AND 174E WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST NEW LOW 45N177W 1011 MB. FROM 34N TO 47N
BETWEEN 171W AND 178W WINDS TO 25 KT. SEAS TO 12 FT.

...GALE WARNING...
.FROM 36N TO 45N BETWEEN 123W AND 128W AREA OF N WINDS 25 TO 35
KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST FROM 37N TO 47N BETWEEN 124W AND 128W AREA OF
N WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.48 HOUR FORECAST LOW 37N160E 1004 MB. FROM 30N TO 42N W OF 165E
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 57N BETWEEN 166W AND
176W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 55N
BETWEEN 165W AND 177E.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 57N
BETWEEN 165W AND 174W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N OF A LINE FROM 55N164W TO 55N174W TO 59N180W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 57N
BETWEEN 167W AND 178W.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST NEW LOW 48N136W 1011 MB. WITHIN 480 NM S
QUADRANT WINDS TO 25 KT. SEAS TO 9 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 46N TO 65N
BETWEEN 156W AND 170W...AND FROM 40N TO 49N W OF 175E.
.24 HOUR FORECAST DENSE FOG FROM 47N TO 64N BETWEEN 156W AND
168W...FROM 54N TO 59N W OF 175W...AND FROM 42N TO 52N W OF 177E.
.48 HOUR FORECAST DENSE FOG FROM 52N TO 64N BETWEEN 161W AND
173W...AND FROM 40N TO 50N W OF 171W.

.FORECASTER NOLT. 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 THU APR 18.
24 HOUR FORECAST VALID 0000 UTC FRI APR 19.
48 HOUR FORECAST VALID 0000 UTC SAT APR 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 10N115W TO 18N134W TO 15N140W TO 07N140W TO 03N126W TO
05N116W TO 10N115W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED
NW AND SE SWELL.
.24 HOUR FORECAST WITHIN 13N134W TO 15N140W TO 07N140W TO
10N134W TO 13N134W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY
IN E SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0300 UTC THU APR 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM NEAR 08N78W TO 06N95W. ITCZ FROM 06N95W TO 06N115W
TO 04N125W TO 07N140W. SCATTERED MODERATE FROM 05N TO 09N BETWEEN
112W AND 119W...FROM 03N TO 05N BETWEEN 123W AND 127W...AND FROM
09N TO 11N BETWEEN 135W AND 137W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 0000 UTC APR 18 2024.
24 HOUR FORECAST VALID 0000 UTC APR 19 2024.
48 HOUR FORECAST VALID 0000 UTC APR 20 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N142W TO 23N143W TO 22N146W TO 19N150W...THENCE
TROUGH TO 15N156W TO 14N164W MOVING E SLOWLY N OF 19N...AND NEARLY
STATIONARY ELSEWHERE. S WINDS 20 TO 25 KT E OF FRONT N OF 28N.
.24 HOUR FORECAST FRONT FROM 28N140W TO 23N144W...THENCE TROUGH TO
18N150W. WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT FROM 26N140W TO 18N147W. TROUGH
DISSIPATED.

.FRONT FROM 30N169E TO 26N167E TO 23N164E TO 21N160E MOVING E
SLOWLY N OF 23N...AND NEARLY STATIONARY ELSEWHERE. SE TO S WINDS
20 TO 25 KT N OF 26N BETWEEN FRONT AND 177E.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 30N171E TO
23N164E.
WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST TROUGH MOVED N OF AREA.

.24 HOUR FORECAST NEW TROUGH FROM 09N142W TO 03N146W.
.48 HOUR FORECAST TROUGH FROM 06N150W TO 04N153W.

.48 HOUR FORECAST NEW FRONT NEAR 30N160E. S WINDS 20 TO 25 KT
N OF 26N W OF 167E.

.NE TO E WINDS 20 TO 25 KT FROM 05N TO 15N BETWEEN 164W AND 170E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 15N W OF
164W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 15N E OF
175E.

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

.SEAS 8 TO 9 FT FROM 05N TO 14N BETWEEN 171W AND 175E.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 05N TO 12N BETWEEN 175W
AND 173E.
.48 HOUR FORECAST SEAS LOWERED TO 8 FT OR LESS.

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

.ITCZ FROM 07N140W TO 07N151W TO 04N167W TO 04N177E TO 02N172E.
ISOLATED MODERATE TSTMS WITHIN 120 NM OF ITCZ.

.ISOLATED MODERATE TSTMS FROM 05N TO 10N W OF 164E.

$$

.FORECASTER AHUE. HONOLULU HI.