High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 180337
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC THU DEC 18 2014

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC DEC 18.
24 HOUR FORECAST VALID 0000 UTC DEC 19.
48 HOUR FORECAST VALID 0000 UTC DEC 20.

.WARNINGS.

...STORM WARNING...
.LOW 50N156W 960 MB MOVING NE 25 KT. WITHIN 300 NM S AND SW
QUADRANTS WINDS 45 TO 60 KT. SEAS 22 TO 46 FT. ELSEWHERE WITHIN
840 NM S SEMICIRCLE...AND 360 NM NW AND 420 NM NE QUADRANTS
WINDS 30 TO 45 KT. SEAS 16 TO 34 FT.
.24 HOUR FORECAST LOW 51N143W 972 MB. WITHIN 360 NM S AND SW
QUADRANTS WINDS 40 TO 50 KT. SEAS 21 TO 42 FT. ELSEWHERE WITHIN
780 NM S...480 NM W...AND BETWEEN 240 NM AND 540 NM N QUADRANTS
WINDS 25 TO 40 KT. SEAS 14 TO 29 FT.
.48 HOUR FORECAST LOW 57N144W 975 MB. WITHIN 360 NM NE
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 13 TO 25 FT.

...STORM WARNING...
.LOW 47N161E 976 MB MOVING SE 10 KT. FRONT EXTENDS FROM LOW
CENTER TO 46N173E TO 43N175E TO 31N161E. WITHIN 120 NM NE
SEMICIRCLE AND 180 NM E OF THE FRONT WINDS 40 TO 55 KT. SEAS 14
TO 23 FT. ELSEWHERE WITHIN 360 NM NE SEMICIRCLE AND 900 NM S
QUADRANT WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.
.24 HOUR FORECAST LOW 46N167E 975 MB. WITHIN 360 NM NW
SEMICIRCLE WINDS 35 TO 50 KT. SEAS 20 TO 30 FT. ELSEWHERE WITHIN
420 NM NW SEMICIRCLE WINDS 25 TO 35 KT. SEAS 14 TO 22 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 46N170W 976 MB.
WITHIN 540 NM SW SEMICIRCLE WINDS 35 TO 50 KT. SEAS 22 TO 38 FT.
ELSEWHERE WITHIN 960 NM S AND SW SEMICIRCLES WINDS 25 TO 35 KT.
SEAS 12 TO 24 FT.

...STORM WARNING...
.24 HOUR FORECAST LOW 41N167E 983 MB. OVER FORECAST WATERS
WITHIN 480 NM S QUADRANT WINDS 35 TO 50 KT. SEAS 29 TO 42 FT.
ELSEWHERE WITHIN 720 NM S SEMICIRCLE WINDS 25 TO 35 KT. SEAS 14
TO 29 FT.
.48 HOUR FORECAST LOW AND CONDITIONS DESCRIBED WITH COMPLEX LOW
46N170W.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 55N147W 973 MB. FRONT TO EXTEND FROM
LOW CENTER TO 56N137W TO 50N130W TO 45N127W TO 40N127W. WITHIN
120 NM E AND NE OF THE FRONT N OF 49N WINDS 40 TO 50 KT. SEAS 14
TO 24 FT. ELSEWHERE WITHIN 360 NM NE SEMICIRCLE AND 240 NM E OF
THE FRONT WINDS 25 TO 40 KT. SEAS 10 TO 16 FT.
.48 HOUR FORECAST LOW 54N154W 967 MB. WITHIN 360 NM N AND NE
QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 19 FT.

...GALE WARNING...
.LOW 60N174W 985 MB MOVING NW 10 KT. OVER FORECAST WATERS WITHIN
360 NM W SEMICIRCLE WINDS 25 TO 40 KT. SEAS 10 TO 16 FT.
ELSEWHERE WITHIN 240 NM E SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8
TO 13 FT.
.24 HOUR FORECAST LOW 61N179W 987 MB. WITHIN 240 NM N AND NE AND
120 S AND SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW DISSIPATED. OVER ICE FREE FORECAST WATERS
N OF A LINE FROM 61N176W TO 63N165W AREA OF NE WINDS 20 TO 30
KT. SEAS TO 9 FT.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 51N179E 967 MB. FRONT TO EXTEND FROM
LOW CENTER TO 49N168W TO 46N161W TO 39N171W TO 36N180W. WITHIN
180 NM N SEMICIRCLE AND 180 NM N AND 420 NM E AND SE OF THE
FRONT OVER FORECAST WATERS WINDS 30 TO 45 KT. SEAS 12 TO 23 FT.
.48 HOUR FORECAST LOW 50N180W 975 MB. WITHIN 600 NM NW QUADRANT
WINDS 25 TO 40 KT. SEAS 12 TO 23 FT.

...GALE WARNING...
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 51N158W 967 MB.
WITHIN 960 NM S AND SE QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO
21 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
N OF 62N AND W OF THE ALASKAN COAST.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.LOW 41N127W 1008 MB MOVING E 25 KT. WITHIN 360 NM S AND 180 NM
E QUADRANTS WINDS 20 TO 30 KT. SEAS 10 TO 16 FT.
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

.WITHIN 180 NM E OF A LINE FROM 53N137W TO 50N133W TO 48N132W
AREA OF S TO SE WINDS 20 TO 30 KT. SEAS 10 TO 14 FT.
.24 HOUR FORECAST CONDITIONS ABSORBED BY LOW 51N143W DESCRIBED
ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 44N
BETWEEN 142W AND 148W.
.24 HOUR FORECAST CONDITIONS IMPROVING.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 34N TO 44N
BETWEEN 170E AND 164E.
.24 HOUR FORECAST DENSE FOG FROM 32N TO 46N BETWEEN 166W AND
172E.
.48 HOUR FORECAST DENSE FOG FROM 32N TO 46N BETWEEN 148W AND
170W.

.HIGH 33N168W 1026 MB MOVING SE 35 KT.
.24 HOUR FORECAST HIGH 30N150W 1025 MB.
.48 HOUR FORECAST HIGH 30N141W 1025 MB.

.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 DEC 18.
24 HOUR FORECAST VALID 0000 UTC FRI DEC 19.
48 HOUR FORECAST VALID 0000 UTC SAT DEC 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 08N TO 16N W OF 126W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO
10 FT. ELSEWHERE PAC WATERS W OF 106W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT PRIMARILY IN MIXED SW AND NW SWELL.
.24 HOUR FORECAST FROM 10N TO 18N W OF 129W NE TO E WINDS 20 TO
25 KT. SEAS 9 TO 10 FT. ELSEWHERE PAC WATERS W OF 105W WINDS 20
KT
OR LESS. SEAS TO 9 FT PRIMARILY IN MIXED SW AND NW SWELL.
.36 HOUR FORECAST FROM 10N TO 19N W OF 125W NE TO E WINDS 20 TO
25 KT. SEAS 9 TO 11 FT. ELSEWHERE PAC WATERS W OF 97W WINDS 20
KT OR LESS. SEAS TO 9 FT PRIMARILY IN MIXED SW AND NW SWELL.
.48 HOUR FORECAST FROM 10N TO 21N W OF 125W NE TO E WINDS 20 TO
25 KT. SEAS 9 TO 11 FT. NW OF LINE FROM 30N125W TO 22N132W TO
22N140W WINDS 20 KT OR LESS. SEAS 8 TO 17 FT IN NW SWELL...
HIGHEST SEAS NW PART. ELSEWHERE N OF 07N W OF 115W WINDS 20 KT
OR LESS. SEAS TO 8 FT PRIMARILY IN MIXED SE AND NW SWELL.

.WITHIN 60 NM EITHER SIDE OF A LINE FROM 13N96W TO 12N99W TO
12N101W WINDS 20 KT OR LESS. SEAS TO 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID 0300 UTC WED DEC 17...

.SCATTERED MODERATE WITHIN 200 NM EITHER SIDE OF LINE FROM
10N130W TO 23N107W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 05N77W TO 07N90W TO 05N95W. ITCZ FROM 05N95W
TO 05N140W. SCATTERED MODERATE FROM 02N TO 07N E OF 82W...FROM
04N TO 08N BETWEEN 90W AND 96W AND FROM 06N TO 09N W OF 129W.

$$
.FORECASTER RAMOS/NELSON. NATIONAL HURRICANE CENTER.


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