High Seas Forecast
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000
FZPN02 KWBC 182330
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC THU DEC 18 2014

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 1800 UTC DEC 18.
24 HOUR FORECAST VALID 1800 UTC DEC 19.
48 HOUR FORECAST VALID 1800 UTC DEC 20.

.WARNINGS.

...STORM WARNING...
.LOW 51N147W 969 MB MOVING NE 15 KT. WITHIN 420 NM S AND SW
QUADRANTS...AND 120 NM E OF A FRONT FROM 55N140W TO 53N134W TO
49N130W WINDS 40 TO 55 KT. SEAS 22 TO 42 FT...EXCEPT E OF THE
FRONT 15 TO 25 FT. ELSEWHERE WITHIN 840 NM S...420 NM
W...BETWEEN 240 NM AND 480 NM N...AND BETWEEN 540 NM AND 840 NM
E QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 32 FT...HIGHEST IN S
QUADRANT.
.24 HOUR FORECAST LOW 54N144W 975 MB. WITHIN 480 NM NE AND 780
NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 14 TO 28 FT.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 55N148W.

...STORM WARNING...
.COMPLEX LOW WITH MEAN CENTER 44N167E 978 MB MOVING E 30 KT.
OVER FORECAST WATERS WITHIN 540 NM S AND SW QUADRANTS WINDS 35
TO 50 KT. SEAS 24 TO 39 FT. ELSEWHERE OVER FORECAST WATERS
WITHIN 720 NM SE AND 960 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS
14 TO 28 FT.
.24 HOUR FORECAST LOW 43N175W 978 MB. WITHIN 540 NM S AND SW
QUADRANTS WINDS 35 TO 50 KT. SEAS 21 TO 36 FT. ELSEWHERE OVER
FORECAST WATERS WITHIN 960 NM S SEMICIRCLE WINDS 25 TO 35 KT.
SEAS 14 TO 28 FT.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 53N158W.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 50N160W 970 MB. WITHIN 1020 NM S AND
SE QUADRANTS WINDS 30 TO 45 KT. SEAS 14 TO 26 FT.
.48 HOUR COMPLEX LOW WITH FIRST CENTER 55N148W 964 MB AND SECOND
CENTER 54N136W 964 MB. FRONT TO EXTEND FROM SECOND CENTER TO
49N128W TO 42N126W. WITHIN 60 NM E OF THE FRONT N OF 49N WINDS
35 TO 50 KT. SEAS 16 TO 24 FT. ELSEWHERE WITHIN 240 NM N AND NE
AND 1200 NM S QUADRANTS OF FIRST CENTER AND 240 NM NE SEMICIRCLE
AND 1020 NM S QUADRANT OF SECOND CENTER WINDS 25 TO 40 KT. SEAS
14 TO 21 FT.

...GALE WARNING...
.LOW 47N163E 976 MB MOVING SE 30 KT. OVER FORECAST WATERS WITHIN
360 NM NW SEMICIRCLE WINDS 30 TO 45 KT. SEAS 14 TO 28 FT.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 43N175W.

...GALE WARNING...
.LOW 49N176E 963 MB MOVING E 15 KT. FRONT EXTENDS FROM LOW
CENTER TO 49N175W TO 47N169W TO 40N173W TO 31N173E. WITHIN 180
NM S AND SW QUADRANTS...240 NM N SEMICIRCLE...AND WITHIN 180 NM
N AND 420 NM E OF THE FRONT WINDS 30 TO 45 KT. SEAS 12 TO 22 FT.
.24 HOUR FORECAST LOW 49N175W 964 MB. WITHIN 300 NM S...540 NM
W...AND 360 NM N QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 22 FT.
.48 HOUR FORECAST LOW 48N167W 974 MB. WITHIN 780 NM SE AND 1020
NM W AND SW QUADRANTS WINDS 30 TO 45 KT. SEAS 14 TO 31 FT.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 54N153W 970 MB. WITHIN 360 NM N
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.
.48 HOUR FORECAST LOW 53N158W 968 MB. WITHIN 1260 NM S QUADRANT
WINDS 25 TO 40 KT. SEAS 14 TO 22 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
N OF 63N AND W OF THE ALASKAN COAST.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.LOW 61N178W 985 MB MOVING SW 10 KT. WITHIN 300 NM NE QUADRANT
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW 59N176W 986 MB. WITHIN 480 NM NE QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED. OVER FORECAST WATERS N OF 56N
AND W OF 168W AREA OF N TO NE WINDS 20 TO 30 KT. SEAS TO 11 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 31N TO 48N
BETWEEN 164W AND 174E.
.24 HOUR FORECAST DENSE FOG FROM 31N TO 46N BETWEEN 146W AND
174W.
.48 HOUR FORECAST DENSE FOG FROM 32N TO 48N BETWEEN 125W AND
156W.

.HIGH 31N154W 1026 MB MOVING SE 25 KT.
.24 HOUR FORECAST HIGH ABSORBED S OF AREA.

.48 HOUR FORECAST HIGH 35N163E 1030 MB.

.FORECASTER ACHORN. 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 1800 UTC THU DEC 18.
24 HOUR FORECAST VALID 1800 UTC FRI DEC 19.
48 HOUR FORECAST VALID 1800 UTC SAT DEC 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 10N TO 15N W OF 135W NE TO E WINDS 20 TO 25 KT. SEAS 9
TO 11 FT. ELSEWHERE OPEN WATERS W OF 100W WINDS 20 KT OR LESS.
SEAS TO 9 FT PRIMARILY IN MIXED S AND NW SWELL.
.24 HOUR FORECAST FROM 09N TO 20N W OF 135W NE WINDS 20 TO 25
KT. SEAS 9 TO 10 FT. NW OF LINE FROM 30N121W TO 20N140W WINDS
20 KT OR LESS. SEAS 8 TO 17 FT PRIMARILY IN NW SWELL...HIGHEST
SEAS AT 30N138W. ELSEWHERE W OF LINE FROM 30N118W TO 20N110W
TO 05N140W WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY IN
MIXED S AND NW SWELL.
.48 HOUR FORECAST FROM 09N TO 21N W OF 122W NE WINDS 20 TO 25
KT. SEAS 9 TO 12 FT. ELSEWHERE W OF LINE FROM 30N116W TO
10N115W TO 05N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT
PRIMARILY IN NW SWELL.

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

CONVECTION VALID 2100 UTC THU DEC 18...

.SCATTERED MODERATE WITHIN 90 NM OF LINE FROM 07N135W TO
11N121W TO 20N111W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 06N77W TO 06N91W. ITCZ FROM 06N91W TO
05N114W TO 06N140W. SCATTERED MODERATE WITHIN 120 NM OF LINE
FROM 04.5N77W TO 07N86W.

.FORECASTER NELSON. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 1800 UTC DEC 18 2014.
24 HOUR FORECAST VALID 1800 UTC DEC 19 2014.
48 HOUR FORECAST VALID 1800 UTC DEC 20 2014.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N168E TO 26N160E MOVING E 20 KT. WINDS 20 TO
30 KT OVER FORECAST WATERS N OF 27N W OF 176E.
.24 HOUR FORECAST COLD FRONT FROM 30N180E TO 27N176E TO 20N160E.
WINDS 20 TO 25 KT WITHIN 480 NM E OF FRONT N OF 27N...AND N OF
FRONT.
.48 HOUR FORECAST FRONT FROM 30N163W TO 24N172W TO 16N175E TO
14N160E. WINDS 20 TO 30 KT OVER FORECAST WATERS WITHIN 600 NM N
OF FRONT. ALSO...WINDS 20 TO 25 KT BETWEEN FRONT AND 10N W OF
170E.

.NE TO E WINDS 20 TO 25 KT FROM 07N TO 18N E OF 167W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 30 KT FROM 06N TO 20N E OF
165W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 21N E OF
157W.

.HIGH 29N151W 1027 MB NEARLY STATIONARY. RIDGE FROM HIGH TO
28N140W.
.24 HOUR FORECAST HIGH 28N141W 1026 MB.
.48 HOUR FORECAST HIGH MOVED E OF AREA.

.RIDGE FROM 30N159W TO 27N175W TO 22N160E NEARLY STATIONARY.

.WINDS 20 KT OR LESS OVER REST OF FORECAST AREA.

.SEAS 18 TO 25 FT N OF A LINE FROM 30N167E 26N160E. SEAS 8 TO 18
FT ELSEWHERE N OF A LINE FROM 30N176E TO 21N160E. SEAS 11 TO 15
FT N OF A LINE FROM 30N150W TO 24N162W TO 30N170W. SEAS MAINLY 8
TO 11 FT ELSEWHERE IN AREA BOUNDED BY 30N180E 30N140W 05N140W
03N175W 13N160E 30N180E.
.24 HOUR FORECAST SEAS 18 TO 24 FT N OF A LINE FROM 30N178E TO
25N169E TO 30N162E. SEAS 11 TO 18 FT ELSEWHERE N OF A LINE FROM
30N177W TO 20N172E TO 15N160E. SEAS 11 TO 16 FT N OF A LINE FROM
25N140W TO 18N151W TO 30N155W. SEAS 8 TO 11 FT ELSEWHERE N OF A
LINE FROM 00N140W TO 00N152W TO 05N180E TO 11N160E.
.48 HOUR FORECAST SEAS 18 TO 22 FT N OF A LINE FROM 30N168W TO
25N179W TO 30N177E. SEAS 11 TO 18 FT ELSEWHERE N OF A LINE FROM
30N162W TO 15N180E TO 11N160E. SEAS 11 TO 13 FT IN AREA BOUNDED
BY 27N140W 09N140W 08N170W 27N140W. SEAS 8 TO 11 FT ELSEWHERE N
OF A LINE FROM 00N140W TO 00N157W TO 06N175E TO 07N160E.

.SEAS 8 FT OR LOWER OVER REST OF FORECAST AREA.

.ITCZ FROM 06N140W TO 04N152W TO 06N170W TO 04N175E TO 02N168E.
SCATTERED MODERATE TO STRONG TSTMS WITHIN 270 NM OF ITCZ BETWEEN
170W AND 175E...AND WITHIN 210 NM N OF ITCZ BETWEEN 152W AND
170W. ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 90 NM OF ITCZ.

$$
.FORECASTER DWROE. HONOLULU HI.


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