High Seas Forecast
Issued by NWS

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000
FZPN02 KWBC 181130
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC SAT APR 18 2015

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

DUE TO A LUNAR ECLIPSE...GMDSS SAFETYNET SERVICE VIA THE PACIFIC
INMARSAT SATELLITE MAY BE UNAVAILABLE FROM 2200 UTC APRIL 18
TO APPROX 1000 UTC APRIL 19.

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.

SECURITE

PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT
TO 50N 160E

SYNOPSIS VALID 0600 UTC APR 18.
24 HOUR FORECAST VALID 0600 UTC APR 19.
48 HOUR FORECAST VALID 0600 UTC APR 20.

.WARNINGS.

...STORM WARNING...
.LOW 56N154W 985 MB MOVING NW 25 KT. WITHIN 420 NM NE QUADRANT
WINDS 35 TO 50 KT. SEAS 11 TO 21 FT. ELSEWHERE WITHIN 540 NM
NE...600 NM E...AND 720 NM S QUADRANTS WINDS 25 TO 40 KT. SEAS 9
TO 18 FT.
.24 HOUR FORECAST LOW 60N164W 982 MB. WITHIN 540 NM SW AND 420
NM NW QUADRANTS WINDS 30 TO 45 KT. SEAS 10 TO 23 FT.
.48 HOUR FORECAST LOW 62N173W 987 MB. WITHIN 660 NM S AND SW
QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.

...STORM WARNING...
.LOW 50N168W 974 MB MOVING NE 20 KT. WITHIN 600 NM S...720 NM
SW...540 NM N AND 480 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 8
TO 19 FT.
.24 HOUR FORECAST LOW 55N159W 978 MB. WITHIN 600 NM S AND SE
QUADRANTS...AND N OF 53N BETWEEN 159W AND 133W WINDS 25 TO 40
KT. SEAS 10 TO 22 FT.
.30 HOUR FORECAST LOW 56N158W 979 MB. N OF 58N BETWEEN 147W AND
140W WINDS 35 TO 50 KT. SEAS 12 TO 19 FT.
.48 HOUR FORECAST LOW INLAND 63N161W 987 MB. N OF 53N BETWEEN
160W AND 143W WINDS 20 TO 30 KT. SEAS 9 TO 15 FT.

...GALE WARNING...
.FROM 38N TO 44N BETWEEN 124W AND 128W AREA OF N WINDS 25 TO 35
KT. SEAS 9 TO 13 FT. ALSO FROM 35N TO 48N BETWEEN 129W AND 124W
WINDS 20 TO 30 KT. SEAS 9 TO 12 FT.
.24 HOUR FORECAST FROM 38N TO 43N BETWEEN 124W AND 128W AREA OF
N WINDS 25 TO 35 KT. SEAS 9 TO 13 FT. ALSO FROM 34N TO 47N
BETWEEN 124W AND 130W AREA OF N WINDS 20 TO 30 KT. SEAS 8 TO 12
FT.
.48 HOUR FORECAST FROM 35N TO 45N BETWEEN 125W AND 132W AREA OF
N WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW W OF AREA NEAR 44N159E 1004 MB. OVER
FORECAST WATERS WITHIN 300 NM NE AND 360 NM E QUADRANTS WINDS 25
TO 35 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST NEW LOW 42N162E 1006 MB. FROM 33N TO 46N W OF
176W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 57N BETWEEN 168W AND
177W. .24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF
57N BETWEEN 166W AND 176W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 39N TO 54N
BETWEEN 160W AND 142W.
.24 HOUR FORECAST DENSE FOG WITHIN 300 NM E OF A LINE FROM
58N147W TO 50N144W TO 41N150W TO 35N156W.
.48 HOUR FORECAST DENSE FOG FROM 46N TO 50N BETWEEN 135W AND
138W.

.HIGH 48N133W 1034 MB MOVING SW 10 KT.
.24 HOUR FORECAST HIGH 44N133W 1032 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 39N138W 1033 MB NEARLY STATIONARY NEXT 18 HOURS THEN
MOVING SW 15 KT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST HIGH 33N145W 1029 MB.

.HIGH 44N166E 1027 MB MOVING SE 30 KT.
.24 HOUR FORECAST HIGH 36N179W 1027 MB.
.48 HOUR FORECAST HIGH 35N159W 1031 MB.

.HIGH 32N164E 1023 MB MOVING E 10 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST HIGH 52N165E 1024 MB.
.48 HOUR FORECAST LITTLE CHANGE.

.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 0600 UTC SAT APR 18.
24 HOUR FORECAST VALID 0600 UTC SUN APR 19.
48 HOUR FORECAST VALID 0600 UTC MON APR 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.W OF LINE FROM 30N117W TO 12N119W TO 09N140W WINDS 20 KT OR
LESS. SEAS TO 9 FT IN NW SWELL...EXCEPT 9 TO 10 FT FROM 11N TO
19N W OF 136W.
.24 HOUR FORECAST FROM 08N TO 19N W OF 114W WINDS 20 KT OR LESS.
SEAS TO 9 FT IN NW SWELL.
.48 HOUR FORECAST FROM 09N TO 17N W OF 137W...AND FROM 09N TO
15N BETWEEN 114W AND 137W WINDS 20 KT OR LESS. SEAS 8 FT IN NW
SWELL.

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

CONVECTION VALID 0915 UTC SAT APR 18...
.TROUGH EXTENDS FROM 08N90W TO 07N97W TO 04N105W. SCATTERED
MODERATE WITHIN 180 NM S OF TROUGH BETWEEN 90W AND 92W...AND
WITHIN 60 NM OF TROUGH BETWEEN 97W AND 105W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ AXIS EXTENDS FROM 03N110W TO 02N122W TO 04N133W. SCATTERED
MODERATE ISOLATED STRONG FROM 05N TO 10N W OF 132W.

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0600 UTC APR 18 2015.
24 HOUR FORECAST VALID 0600 UTC APR 19 2015.
48 HOUR FORECAST VALID 0600 UTC APR 20 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 05N164E 1007 MB NEARLY STATIONARY. TROUGHS 02N173E THROUGH
LOW TO 03N160E AND 10N167E TO LOW NEARLY STATIONARY.
.24 HOUR FORECAST LOW 05N164E 1007 MB.
.48 HOUR FORECAST LOW DISSIPATED.

.RIDGE 30N158W 27N175E 30N167E MOVING NE 20 KT.

.E WINDS 20 TO 25 KT FROM 22N TO 15N E OF 160W AND FROM 15N TO
10N BETWEEN 170E AND 165E.
.24 HOUR FORECAST NE WINDS 20 TO 25 KT FROM 24N TO 10N E OF
165W. E WINDS 20 TO 25 KT FROM 18N TO 10N W OF 165W.
.48 HOUR FORECAST NE WINDS 25 TO 30 KT FROM 17N TO 14N BETWEEN
155W AND 165W...NE WINDS 20 TO 25 KT ELSEWHERE FROM 24N TO 10N E
OF 165W. E WINDS 20 TO 25 KT FROM 20N TO 10N W OF 165W.

.SEAS 8 TO 10 FT BOUNDED BY 26N140W 08N140W 08N180W 12N160E
16N160E 26N140W.
.24 HOUR FORECAST SEAS 8 TO 10 FT WITHIN 300 NM OF LINE 14N140W
18N150W 12N170W 15N160E.
.48 HOUR FORECAST SEAS 8 TO 11 FT FROM 26N TO 05N E OF 175W.
SEAS 8 TO 9 FT FROM 20N TO 08N W OF 175W.

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

.SCATTERED STRONG TSTMS WITHIN 90 NM OF LINE 12N173E 09N165E.
SCATTERED MODERATE TSTMS WITHIN 90 NM OF LINE 09N170W 08N175E.
ISOLATED MODERATE TSTMS WITHIN 90 NM OF LINE 08N155W 05N165W.

$$
.HONOLULU HI.


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