High Seas Forecast
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000
FZPN02 KWBC 261125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC SUN MAR 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

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

SYNOPSIS VALID 0600 UTC MAR 26.
24 HOUR FORECAST VALID 0600 UTC MAR 27.
48 HOUR FORECAST VALID 0600 UTC MAR 28.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 45N173W 973 MB MOVING NE 20 KT WILL SLOW AND DRIFT SW AFTER
24 HOURS. WITHIN 180 NM S AND SE SEMICIRCLES WINDS 50 TO 65 KT.
SEAS 21 TO 33 FT. ALSO WITHIN 240 NM S AND SE SEMICIRCLES WINDS
40 TO 55 KT. SEAS 18 TO 28 FT. ELSEWHERE WITHIN 300 NM E AND
NE...660 NM SE...840 NM S AND SW...AND 90 NM NW QUADRANTS WINDS
25 TO 40 KT. SEAS 12 TO 24 FT.
.24 HOUR FORECAST LOW 51N166W 976 MB. OVER ICE FREE FORECAST
WATERS WITHIN 420 NM N AND NW SEMICIRCLES...AND WITHIN 300 NM SE
AND 240 NM W AND SW QUADRANTS WINDS 25 TO 40 KT. SEAS 13 TO 26
FT.
.48 HOUR FORECAST LOW 49N168W 988 MB. WITHIN 660 NM S AND
SE...AND 120 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 20 FT.
ELSEWHERE WITHIN 540 NM N AND NE...720 NM SE...AND 240 NM W AND
SW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.

...STORM WARNING...
.LOW 49N170E 973 MB MOVING SE 10 KT. FROM 38N TO 43N BETWEEN 180W
AND 166E WINDS 35 TO 50 KT. SEAS 14 TO 24 FT. ELSEWHERE WITHIN
540 NM N AND NE...AND 480 NM W QUADRANTS...AND BETWEEN 240 NM AND
960 NM S AND SW QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.
.24 HOUR FORECAST LOW 47N175E 985 MB. WITHIN 600 NM S AND
SE...AND 540 NM W AND SW QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO
24 FT.
.48 HOUR FORECAST LOW 46N177W 998 MB. WITHIN 300 NM S AND SE...
AND 180 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 20 FT.

...STORM WARNING...
.LOW 49N144W 981 MB MOVING E 20 KT WILL SLOW AND TURN NE AFTER 24
HOURS. BETWEEN 90 NM AND 540 NM NE...AND BETWEEN 180 NM AND 780
NM E AND SE QUADRANTS...AND WITHIN 600 NM S AND SW...AND 180 NM N
AND NW QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.
.12 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 49N138W 985 MB.
WITHIN 90 NM E OF A FRONT TO EXTEND FROM 49N127W TO 53N135W WINDS
35 TO 50 KT. SEAS 11 TO 22 FT.
.24 HOUR FORECAST COMPLEX LOW WITH ONE CENTER 49N132W 997 MB...
A SECOND CENTER 54N138W 993 MB...AND A NEW THIRD NEW CENTER
57N143W 996 MB. WITHIN 480 NM S AND SW...AND 300 NM W QUADRANTS
OF FIRST CENTER WINDS 25 TO 40 KT. SEAS 11 TO 22 FT. ELSEWHERE
FROM 39N TO 58N BETWEEN 126W AND 143W WINDS 20 TO 30 KT. SEAS 9
TO 18 FT.
.48 HOUR FORECAST COMBINED LOW 60N147W 992 MB. WITHIN 120 NM E
AND SE SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 12 FT.

...STORM WARNING...
.24 HOUR FORECAST ASSOCIATED WITH LOW WELL W OF AREA...FROM 30N
TO 32N BETWEEN 160E AND 163E S TO SE WINDS 25 TO 35 KT. SEAS TO
12 FT.
.48 HOUR FORECAST LOW 36N160E 976 MB. BETWEEN 120 NM AND 300 NM N
AND NE QUADRANTS...AND WITHIN 300 NM SE QUADRANT WINDS 40 TO 55
KT. SEAS 18 TO 32 FT. ELSEWHERE FROM 30N TO 43N BETWEEN 160E AND
179E WINDS 25 TO 40 KT. SEAS 13 TO 26 FT.

...GALE WARNING...
.LOW 51N178W 983 MB MOVING W 10 KT. OVER ICE FREE FORECAST WATERS
BETWEEN 120 NM AND 540 NM NE...AND BETWEEN 90 NM AND 600 NM NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST LOW 52N177E 989 MB. WITHIN 420 NM N SEMICIRCLE
WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.
.48 HOUR FORECAST LOW 50N167E 993 MB. OVER FORECAST WATERS W OF A
LINE FROM 45N162E TO LOW CENTER TO 54N175E WINDS 20 TO 30 KT.
SEAS TO 12 FT.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 44N156W 1000 MB. WITHIN 540 NM E AND
NE...420 NM SE...AND 480 NM S AND SW QUADRANTS WINDS 25 TO 35 KT.
SEAS 10 TO 20 FT.
.48 HOUR FORECAST LOW ABSORBED BY NEW LOW 54N134W. WITHIN 120 NM
E AND NE...AND 300 NM S AND SE QUADRANTS OVER FORECAST WATERS
WINDS 35 TO 45 KT. SEAS 9 TO 18 FT. ELSEWHERE WITHIN 180 NM E AND
SE...AND 900 NM S AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO
15 FT.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 45N170W 985 MB. WITHIN 600 NM S AND
SE...AND 660 NM SW QUADRANTS WINDS 30 TO 45 KT. SEAS 12 TO 24 FT.
.48 HOUR FORECAST LOW 51N157W 990 MB. WITHIN 480 NM S AND SE
QUADRANTS WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.

...GALE WARNING...
.LOW 34N119W 1016 MB NEARLY STATIONARY. WITHIN 120 NM SW AND 180
NM NW QUADRANTS WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 33N119W 1015 MB. N OF 30N WITHIN 240 NM S
AND SW...AND 180 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11
FT.
.48 HOUR FORECAST LOW 33N118W 1012 MB. OVER FORECAST WATERS N OF
30N WITHIN 180 NM W SEMICIRCLE WINDS 25 TO 35 KT. SEAS 9 TO 15
FT. ELSEWHERE FROM 30N TO 40N E OF 126W WINDS 20 TO 30 KT. SEAS 8
TO 13 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE WATERS N OF A
LINE FROM 57N169W TO 60N178W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND NE OF A
LINE FROM 55N164W TO 59N179W.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.BOGOSLOF VOLCANO AT 54N168W IS IN A STATE OF UNREST. MARINERS
TRAVELING IN THE VICINITY OF THE VOLCANO ARE URGED TO EXERCISE
CAUTION. IF MARINERS ENCOUNTER ANY VOLCANIC ASH...REPORT THE
OBSERVATION TO THE OCEAN PREDICTION CENTER BY CALLING
301-683-1520.

.48 HOUR FORECAST NEW LOW 38N149W 1017 MB. WITHIN 360 NM E AND SE
AND 300 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 240 NM OF
43N132W...WITHIN 180 NM OF 43N166W...AND WITHIN 120 NM EITHER
SIDE OF A LINE FROM 49N158W TO 52N175W.
.24 HOUR FORECAST DENSE FOG FROM 31N TO 50N BETWEEN 145W AND
166W.
.48 HOUR FORECAST DENSE FOG WITHIN 420 NM E OF A LINE FROM
32N157W TO 50N137W...FROM 45N TO 52N BETWEEN 149W AND 157W...AND
WITHIN 180 NM OF 35N172E.

.HIGH 30N134W 1027 MB DRIFTING S.
.24 HOUR FORECAST HIGH DISSIPATED S OF AREA.

.HIGH 33N154W 1028 MB MOVING NE 20 KT.
.24 HOUR FORECAST HIGH 34N143W 1031 MB.
.48 HOUR FORECAST HIGH 35N132W 1033 MB.

.24 HOUR FORECAST HIGH 30N173E 1021 MB.
.48 HOUR FORECAST HIGH 31N166W 1022 MB.

.FORECASTER MILLS. 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 SUN MAR 26.
24 HOUR FORECAST VALID 0600 UTC MON MAR 27.
48 HOUR FORECAST VALID 0600 UTC TUE MAR 28.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 32N114W TO 25N130W. N OF 21N W OF A LINE FROM
30N121W TO 21N130W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT E OF AREA. N OF 24N E OF 122W WINDS
20 KT OR LESS. SEAS TO 9 FT IN NW SWELL.
.48 HOUR FORECAST N OF 26N E OF LINE FROM 30N123W TO 26N117W NW
WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. ELSEWHERE N OF 22N E OF 123W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL. N OF 22N
W OF 123W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.

.FROM 11N TO 17N W OF 138W NE WINDS 20 TO 25 KT. SEAS 10 FT.
ELSEHWERE FROM 03N TO 21N W OF 126W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN MIXED NE AND NW SWELL.
.24 HOUR FROM 15N TO 19N W OF 132W NE WINDS 20 TO 25 KT. SEAS 9
TO 10 FT. ELSEWHERE FROM 04N TO 22N W OF 122W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST W OF LINE FROM 22N123W TO 15N123W TO 03N140W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED NE AND NW SWELL.

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

CONVECTION VALID AT 0900 UTC SUN MAR 26...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ FROM 03N102W TO 02N132W. NO SIGNIFICANT CONVECTION.

.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0600 UTC MAR 26 2017.
24 HOUR FORECAST VALID 0600 UTC MAR 27 2017.
48 HOUR FORECAST VALID 0600 UTC MAR 28 2017.

.WARNINGS.

...GALE WARNING...
.24 HOUR FORECAST FRONT JUST W OF AREA. WINDS 20 TO 35 KT N OF
LINE 30N164E 27N160E.
.48 HOUR FORECAST FRONT 30N167E 23N160E. WINDS 35 TO 45 KT N OF
LINE 30N166E 27N160E. WINDS 20 TO 35 KT ELSEWHERE N OF LINE
30N178E 27N170E 23N160E. SEE SEAS BELOW.

.SYNOPSIS AND FORECAST.

.FRONT 30N175E 24N160E MOVING E 30 KT. WINDS 20 TO 25 KT N OF
28N BETWEEN 179W AND 174E. SEE SEAS BELOW.
.24 HOUR FORECAST FRONT 30N168W 25N180W 24N170E. WINDS 20 TO 25
KT N OF 28N BETWEEN 158W AND 170W. SEE SEAS BELOW.
.48 HOUR FORECAST FRONT 30N160W 28N165W 28N172W 30N177E. WINDS
DIMINISHED TO 20 KT OR LESS.

.FRONT 30N147W 28N158W 29N169W 28N176W 24N180W MOVING E 20 KT E
OF 166W AND NEARLY STATIONARY ELSEWHERE.
.24 HOUR FORECAST FRONT 29N140W 29N144W 30N149W.
.36 HOUR FORECAST FRONT DISSIPATED.

.RIDGE 27N162W 23N176W 21N170E MOVING E SLOWLY.

.WINDS 20 TO 25 KT FROM 02N TO 22N E OF 170E.
.24 HOUR FORECAST WINDS 20 TO 25 KT N OF 03N AND S OF LINE
22N140W 24N160W 10N160E.
.48 HOUR FORECAST WINDS 20 TO 25 KT N OF 04N AND S OF LINE
25N140W 15N175W 11N160E.

.OTHERWISE WINDS 20 KT OR LESS.

.SEAS 12 TO 16 FT N OF LINE 30N154W 15N163W 09N165W 07N176W
23N170W 30N175W. SEAS 8 TO 12 FT ELSEWHERE N OF LINE 03N140W
01N151W 02N178E 10N170E 28N177E 30N160E.
.24 HOUR FORECAST SEAS 12 TO 14 FT N OF LINE 30N146W 20N150W
10N153W 07N160W 15N162W 30N167W. SEAS 8 TO 12 FT ELSEWHERE N OF
LINE 04N140W 00N160W 08N164E 22N175W 30N170E.
.48 HOUR FORECAST SEAS 12 TO 22 FT N OF LINE 28N160E 30N165E.
SEAS 8 TO 12 FT ELSEWHERE N OF LINE 30N172E 26N160E. SEAS 8 TO
11 FT E OF LINE 30N176E 22N171W 10N173E 00N175W.

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

.ITCZ 05N170W 06N179W 04N171E. SCATTERED MODERATE TO STRONG
TSTMS WITHIN 120 NM OF ITCZ.

.ISOLATED MODERATE TSTMS E OF 145W BETWEEN 03N AND 06N.

$$

.FORECASTER POWELL. HONOLULU HI.



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