High Seas Forecast
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000
FZPN02 KWBC 272325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC THU APR 27 2017

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 27.
24 HOUR FORECAST VALID 1800 UTC APR 28.
48 HOUR FORECAST VALID 1800 UTC APR 29.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER W OF AREA 51N160E 978 MB MOVING NE
10 KT. FROM 36N TO 48N BETWEEN 167E AND 160E WINDS 35 TO 50 KT.
SEAS 14 TO 25 FT. ELSEWHERE OVER FORECAST WATERS FROM 30N TO 55N
W OF 171E WINDS 25 TO 40 KT. SEAS 8 TO 18 FT.
.24 HOUR FORECAST LOW W OF AREA 54N163E 967 MB. FRONT TO EXTEND
FROM 56N174E TO 52N180W TO 45N180W TO 33N160E. WITHIN 660 NM S
AND SE QUADRANTS...AND 360 NM E OF THE FRONT WINDS 25 TO 40 KT.
SEAS 8 TO 18 FT...EXCEPT S AND SE QUADRANTS 12 TO 20 FT.
.48 HOUR FORECAST LOW 53N175E 984 MB. FRONT TO EXTEND FROM
57N176E TO 53N164W TO 48N162W TO 37N176W. WITHIN 600 NM S
SEMICIRCLE...AND 360 NM E AND NE OF THE FRONT WINDS 25 TO 40 KT.
SEAS 14 TO 24 FT...EXCEPT E AND NE OF THE FRONT 8 TO 16 FT.

...GALE WARNING...
.LOW 57N136W 1004 MB MOVING NE 10 KT. OVER FORECAST WATERS
WITHIN 240 NM SW AND SE SEMICIRCLES WINDS 25 TO 35 KT. SEAS 8 TO
15 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...GALE WARNING...
.FROM 30N TO 39N BETWEEN 117W AND 125W N TO NW WINDS 25 TO 35
KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST FROM 30N TO 41N BETWEEN 116W AND 126W WINDS 25
TO 35 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST FROM 30N TO 41N BETWEEN 127W AND 120W N TO NW
WINDS 20 TO 30 KT. SEAS TO 11 FT.

...GALE WARNING...
.LOW 36N157W 1016 MB MOVING NE 30 KT. WITHIN 240 NM E OF A FRONT
FROM 40N147W TO THE LOW TO 31N160W WINDS TO 25 KT. SEAS LESS
THAN 8 FT.
.24 HOUR FORECAST LOW 46N146W 1014 MB. FRONT TO EXTEND FROM THE
LOW TO 30N153W. WITHIN 420 NM E QUADRANT AND 240 NM E OF THE
FRONT WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW 53N137W 996 MB. WITHIN 300 NM OF LOW
EXCEPT 540 NM SE QUADRANT WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.

...GALE WARNING...
.48 HOUR FORECAST LOW S OF AREA NEAR 29N156W 1010 MB. FROM 30N
TO 34N BETWEEN 150W AND 162W WINDS 25 TO 40 KT. SEAS TO 12 FT.

.SYNOPSIS AND FORECAST.

.LOW 55N169W 1003 MB MOVING E 10 KT. WITHIN 540 NM SW QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 55N165W 1010 MB. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW DISSIPATED.

.48 HOUR FORECAST FROM 30N TO 37N BETWEEN 170E AND 160E WINDS TO
25 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 37N TO 43N
BETWEEN 132W AND 150W...AND FROM 40N TO 51N BETWEEN 170E AND
160E.
.24 HOUR FORECAST DENSE FOG WITHIN 360 NM OF 42N143W...AND
WITHIN 240 NM E OF A LINE FROM 48N180W TO 39N175E.
.48 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY A LINE
FROM 40N130W TO 40N141W TO 49N130W TO 40N130W...AND FROM 30N TO
35N BETWEEN 170E AND 160E.

.HIGH 46N136W 1026 MB MOVING NE 10 KT.
.24 HOUR FORECAST HIGH 50N132W 1030 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 34N138W 1029 MB MOVING NE 10 KT.
.24 HOUR FORECAST HIGH 37N136W 1029 MB.
.48 HOUR FORECAST HIGH 37N134W 1030 MB.

.HIGH 43N158W 1018 MB MOVING NE 30 KT.
.24 HOUR FORECAST HIGH 51N149W 1016 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 36N178E 1030 MB MOVING E 20 KT.
.24 HOUR FORECAST HIGH 35N172W 1030 MB.
.48 HOUR FORECAST HIGH 32N170W 1027 MB.

.48 HOUR FORECAST NEW HIGH 42N151W 1026 MB.

.48 HOUR FORECAST HIGH 40N168E 1020 MB.

.FORECASTER COLLINS. 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 APR 27.
24 HOUR FORECAST VALID 1800 UTC FRI APR 28.
48 HOUR FORECAST VALID 1800 UTC SAT APR 29.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.N OF 28.5N BETWEEN 118W AND 124W NW TO N WINDS 20 TO 25 KT.
SEAS 9 TO 11 FT. ELSEWHERE N OF 23N BETWEEN 116W AND 126W WINDS
20 KT OR LESS. SEAS TO 9 FT IN NW SWELL.
.24 HOUR FORECAST N OF 28N BETWEEN 117W AND 124W NW TO N WINDS
20 TO 25 KT. SEAS 10 TO 13 FT IN NW SWELL. ELSEWHERE N OF 23N
BETWEEN 115W AND 128W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW
SWELL.
.42 HOUR FORECAST N OF 28N BETWEEN 120W AND 125W N WINDS 20 TO
25 KT. SEAS 10 TO 11 FT. ELSEWHERE N OF 21N BETWEEN 114W AND
130W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST N OF 19N BETWEEN 115W AND 130W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN NW SWELL.

.FROM 07N TO 11N BETWEEN 124W AND 135W...AND FROM 06N TO 18N W
OF 135W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND NW
SWELL.
.24 HOUR FORECAST FROM 08N TO 22N W OF 135W WINDS 20 KT OR LESS.
SEAS 8 FT IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST FROM 19N TO 24.5N W OF 132W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN MIXED SWELL.

.S OF LINE FROM 01N127W TO 01S113W TO 03.4S102W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN SW SWELL.
.24 HOUR FORECAST S OF LINE FROM 00N126W TO 08N116W TO 03.4S98W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN SW SWELL.
.48 HOUR FORECAST S OF LINE FROM 00N121W TO 11N112W TO 09N102W
TO 03.4S88W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN SW SWELL.

.GULF OF CALIFORNIA 42 HOUR FORECAST N OF 29.5N W OF 113.5W N
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 2130 UTC THU APR 27...

.SCATTERED MODERATE WITHIN 30 NM OF LINE FROM 05N84W TO 05N90W
AND ALSO WITHIN 30 NM OF 08N87W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS EXTENDS FROM 09N85W TO 06N94W TO 07N103W. ITCZ AXIS
EXTENDS FROM 07N103W TO 05N115W TO 05N126W TO 05N134W TO BEYOND
05N140W. SCATTERED MODERATE TO STRONG WITHIN 60 NM OF AXIS
BETWEEN 108W AND 110.5W AND 111W AND 113W. SCATTERED MODERATE
ISOLATED STRONG WITHIN 60 NM S OF AXIS BETWEEN 100W AND 106W.
SCATTERED MODERATE WITHIN 150 NM N OF AXIS BETWEEN 115W AND 118W
...BETWEEN 125W AND 129W AND WITHIN 120 NM N OF AXIS W OF 136W.

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 1800 UTC APR 27 2017.
24 HOUR FORECAST VALID 1800 UTC APR 28 2017.
48 HOUR FORECAST VALID 1800 UTC APR 29 2017.

.WARNINGS.

...GALE WARNING...
.COLD FRONT FROM 30N161W TO 24N166W TO 22N174W TO 19N179W THENCE
STATIONARY FRONT TO 19N167E. COLD FRONT MOVING SE 15 KT. N TO NE
WINDS 20 TO 25 KT OVER FORECAST WATERS WITHIN 360 NM N OF FRONT.
.24 HOUR FORECAST NEW LOW 30N154W 1016 MB. FRONT FROM LOW TO
24N156W TO 22N160W TO 22N168W. NE TO E WINDS 20 TO 25 KT FROM
09N TO 23N BETWEEN 173W AND 171E...AND OVER FORECAST WATERS
WITHIN 360 NM OF FRONT E OF 173W.
.48 HOUR FORECAST LOW 29N156W 1010 MB. FRONT FROM 30N153W TO
23N156W TO 17N170W. WINDS 30 TO 35 KT N OF 28N BETWEEN 156W AND
162W. WINDS 20 TO 30 KT ELSEWHERE N OF 28N BETWEEN 150W AND
164W. WINDS 20 TO 25 KT NE OF A LINE FROM 30N150W TO 25N146W TO
23N140W... AND FROM 14N TO 23N BETWEEN 163W AND 171E.

.SYNOPSIS AND FORECAST.

.FRONT NW OF AREA. SE TO S WINDS 20 TO 25 KT NW OF A LINE FROM
30N162E TO 28N160E.
.24 HOUR FORECAST FRONT NW OF AREA. S WINDS 20 TO 25 KT NW OF A
LINE FROM 30N163E TO 28N160E.
.48 HOUR FRONT MOVED WELL N OF AREA. ASSOCIATED WINDS DIMINISHED
TO 20 KT OR LESS.

.RIDGE FROM 30N142W TO 24N164W MOVING E 10 KT AND ERODING FROM
THE W.

.RIDGE FROM 30N174E TO 23N160E MOVING SE 15 KT.

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

.SEAS 8 TO 11 FT FROM 18N TO 26N W OF 170W.
.24 HOUR FORECAST SEAS 8 TO 11 FT IN AREA BOUNDED BY A LINE FROM
21N168E TO 27N164W TO 16N170W TO 11N180W TO 11N170E TO 21N168E.
.48 HOUR FORECAST SEAS 8 TO 10 FT IN AREA BOUNDED BY A LINE FROM
20N167E TO 22N170W TO 21N163W TO 10N177W TO 08N173E TO 20N167E.
SEAS 8 TO 9 FT N OF 28N BETWEEN 157W AND 162W.

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

.ISOLATED MODERATE TSTMS FROM 02N TO 05N BETWEEN 162E AND 170E.

.ITCZ FROM 05N140W TO 01N151W. ISOLATED MODERATE TSTMS S OF 04N
E OF 145W.

$$

.FORECASTER BIRCHARD. HONOLULU HI.



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