High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 200937
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC SAT DEC 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC DEC 20.
24 HOUR FORECAST VALID 0600 UTC DEC 21.
48 HOUR FORECAST VALID 0600 UTC DEC 22.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 53N140W 968 MB MOVING NW 15 KT.
WITHIN 540 NM E QUADRANT WINDS 35 TO 50 KT. SEAS 18 TO 24 FT.
ELSEWHERE WITHIN 480 NM N...600 NM E...AND 1020 NM S AND SW
QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 21 FT.
.24 HOUR FORECAST LOW 59N144W 973 MB. WITHIN 120 NM OF LOW
CENTER EXCEPT 960 NM S QUADRANT WINDS 25 TO 40 KT. SEAS 12 TO 24
FT.
.48 HOUR FORECAST LOW 58N151W 995 MB. WITHIN 780 NM S AND SE
QUADRANTS WINDS 20 TO 30 KT. SEAS 12 TO 21 FT.

...GALE WARNING...
.LOW 50N173W 967 MB MOVING E 10 KT. WITHIN 960 NM S AND 540 NM W
QUADRANTS WINDS 35 TO 45 KT. SEAS 21 TO 36 FT. ELSEWHERE WITHIN
1200 NM S...960 NM W...AND 840 NM N QUADRANTS WINDS 25 TO 35 KT.
SEAS 12 TO 21 FT.
.24 HOUR FORECAST LOW 50N165W 978 MB. WITHIN 840 NM W AND SW
QUADRANTS WINDS 35 TO 45 KT. SEAS 18 TO 29 FT. ELSEWHERE WITHIN
1020 NM S...960 NM W...AND 1020 NM N QUADRANTS WINDS 25 TO 35
KT. SEAS 12 TO 18 FT.
.48 HOUR FORECAST LOW 53N157W 995 MB. FROM 30N TO 50N BETWEEN
161W AND 174W WINDS 25 TO 35 KT. SEAS 12 TO 22 FT. ELSEWHERE
WITHIN 660 NM NW QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

...GALE WARNING...
.24 HOUR FORECAST FROM 32N TO 51N W OF 163E WINDS 25 TO 40 KT.
SEAS 9 TO 15 FT.
.48 HOUR FORECAST WITHIN 360 NM E OF A FRONT TO EXTEND FROM
54N166E TO 48N172E TO 39N167E TO 32N157E WINDS 25 TO 40 KT. SEAS
12 TO 18 FT.

...GALE WARNING...
.24 HOUR FORECAST WITHIN 300 NM S OF A LINE FROM 42N139W TO
38N150W TO 34N156W WINDS 20 TO 30 KT. SEAS 10 TO 17 FT.
.48 HOUR FORECAST NEW LOW 42N146W 1008 MB WITH FRONT FROM LOW
CENTER TO 31N151W. WITHIN 300 NM E OF THE FRONT WINDS 25 TO 35
KT. SEAS 12 TO 19 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
N OF 60N BETWEEN THE ALASKA COAST AND 170W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE
FORECAST WATERS N OF 60N AND W OF THE ALASKA COAST.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST FROM 31N TO 35N BETWEEN 118W AND 123W AREA OF
N TO NW WINDS TO 25 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST FROM 30N TO 37N BETWEEN 119W AND 125W AREA OF
N WINDS TO 25 KT. SEAS 8 TO 13 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 36N TO 48N
BETWEEN 130W AND 157W.
.24 HOUR FORECAST DENSE FOG FROM 40N TO 46N BETWEEN 124W AND
136W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.24 HOUR FORECAST HIGH 35N172E 1029 MB.
.48 HOUR FORECAST HIGH 35N179W 1031 MB.

.24 HOUR FORECAST HIGH 32N135W 1029 MB.
.48 HOUR FORECAST HIGH 34N131W 1030 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 0600 UTC SAT DEC 20.
24 HOUR FORECAST VALID 0600 UTC SUN DEC 21.
48 HOUR FORECAST VALID 0600 UTC MON DEC 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.GULF OF CALIFORNIA FROM 23N TO 28N W OF 108W NW TO N WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.W OF A LINE FROM 20N128W TO 13N128W TO 07N140W NE TO E WINDS 20
TO 25 KT. SEAS 9 TO 12 FT IN MIXED NE WIND WAVES AND NW SWELL. W
OF A LINE FROM 30N125W TO 20N140W WINDS 20 KT OR LESS. SEAS 12
TO 18 FT IN MIXED S AND NW SWELL. W OF A LINE FROM 30N122W TO
20N113W TO 10N115W TO 03N140W WINDS 20 KT OR LESS. SEAS 8 TO 11
FT PRIMARILY IN NW SWELL.
.24 HOUR FORECAST FROM 09N TO 21N W OF 120W NE TO E WINDS 20 TO
25 KT. SEAS 9 TO 14 FT IN MIXED NE WIND WAVES...AND SW AND NW
SWELL. ELSEWHERE W OF A LINE FROM 27N115W TO 22N112W TO 06N117W
TO 02N140W WINDS 20 KT OR LESS. SEAS 8 TO 15 FT PRIMARILY IN
MIXED SW AND NW SWELL...HIGHEST NEAR 28N121W.
.48 HOUR FORECAST N OF 27N BETWEEN 121W AND 124W N TO NE WINDS
20 TO 25 KT. SEAS 11 TO 13 FT IN MIXED S AND NW SWELL. FROM 07N
TO 20N W OF 128W NE TO E WINDS 20 TO 25 KT. SEAS 10 TO 13 FT IN
MIXED NE WIND WAVES...AND SW AND NW SWELL. ELSEWHERE W OF A LINE
FROM 28N115W TO 18N106W TO 10N106W TO 00N125W WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT PRIMARILY IN MIXED SW AND NW SWELL.

.LOW PRES NEAR 08N100W 1011 MB MOVING W 10 KT. WITHIN 180 NM OF
LOW CENTER WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SW AND
NW SWELL. S OF 04N BETWEEN 94W AND 110W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN MIXED SW AND NW SWELL.
.24 HOUR FORECAST LOW PRES NEAR 08N105W 1011 MB. WITHIN 180 NM
NE QUADRANT WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SE AND NW
SWELL.
.48 HOUR FORECAST LOW PRES NEAR 08.5N110W 1011 MB. CONDITIONS
MERGE WITH SWELL PARAGRAPH.

.24 HOUR FORECAST N OF 15N BETWEEN 94W AND 95.5W...INCLUDING THE
GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.36 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 0900 UTC SAT DEC 20...

.LOW PRES NEAR 08N100W...SCATTERED MODERATE ISOLATED STRONG
WITHIN 120 NM NW SEMICIRCLE.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 05N77W TO 10N86W TO 09N89W. ITCZ FROM
09N89W TO 08N97W THEN RESUMES FROM 07N103W TO 05N130W TO
05N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 75 NM EITHER
SIDE OF AXIS BETWEEN 79W AND 82W. SCATTERED MODERATE WITHIN 75
NM N OF AXIS BETWEEN 116W AND 119W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.


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