High Seas Forecast
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000
FZPN02 KWBC 300525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC THU MAR 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MAR 30.
24 HOUR FORECAST VALID 0000 UTC MAR 31.
48 HOUR FORECAST VALID 0000 UTC APR 01.

.WARNINGS.

...STORM WARNING...
.LOW 45N173W 967 MB MOVING NE 25 KT. WITHIN 600 NM E
SEMICIRCLE...AND 360 NM NW AND 840 NM SW QUADRANTS WINDS 40 TO
55 KT. SEAS 13 TO 26 FT...EXCEPT IN SW QUADRANT 20 TO 40 FT.
ELSEWHERE WITHIN 1260 NM S SEMICIRCLE...AND 720 NM NW AND 900 NM
NE QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 18 FT...EXCEPT IN SW
QUADRANT 13 TO 27 FT. ALSO WITHIN 900 NM N SEMICIRCLE AND 1320
NM SE QUADRANT WINDS TO 25 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 52N163W 968 MB. WITHIN 600 NM NW...780 NM
NE...840 NM SE AND 1260 NM SW QUADRANTS WINDS 30 TO 45 KT. SEAS
12 TO 24 FT...EXCEPT IN SW QUADRANT 17 TO 34 FT. ELSEWHERE
WITHIN 1560 NM S SEMICIRCLE AND 780 NM NW QUADRANT WINDS 20 TO
30 KT. SEAS 8 TO 18 FT.
.48 HOUR FORECAST LOW 54N158W 976 MB. WITHIN 540 NM NW...960 NM
SE AND 720 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 14 TO 28
FT...EXCEPT IN NW QUADRANT 9 TO 18 FT. ELSEWHERE WITHIN 720 NM N
SEMICIRCLE...AND 1020 NM SW AND 780 NM SW QUADRANTS WINDS TO 25
KT. SEAS 10 TO 20 FT...EXCEPT IN NW QUADRANT TO 12 FT.

...GALE WARNING...
.INLAND LOW 62N147W DRIFTING N. OVER FORECAST WATERS WITHIN 300
NM S SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED.

...GALE WARNING...
.FROM 30N TO 40N BETWEEN 120W AND 130W WINDS 20 TO 30 KT. SEAS
TO 12 FT.
.24 HOUR FORECAST FROM 30N TO 43N BETWEEN 117W AND 125W WINDS 25
TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM 30N TO 43N BETWEEN
116W AND 130W WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST FROM 30N TO 43N BETWEEN 116W AND 130W WINDS 25
TO 35 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.LOW 47N165E 997 MB MOVING E 10 KT. WITHIN 480 NM S SEMICIRCLE
WINDS 25 TO 40 KT. SEAS 10 TO 16 FT. ELSEWHERE WITHIN 240 NM N
SEMICIRCLE WINDS TO 25 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 46N169W 998 MB. WITHIN 300 NM N AND 180 NM
S SEMICIRCLES WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW 44N172E 1004 MB. WITHIN 240 NM N OF LOW
CENTER WINDS TO 25 KT. SEAS TO 11 FT.

...GALE WARNING...
.LOW 37N165E MOVING E 30 KT. WITHIN 180 NM N AND 480 NM S
SEMICIRCLES WINDS 20 TO 30 KT. SEAS 9 TO 18 FT.
.12 HOUR FORECAST LOW 36N173E 1014 MB. WITHIN 600 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS 10 TO 17 FT.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 52N163W
DESCRIBED ABOVE.

...GALE WARNING...
.24 HOUR FORECAST LOW 41N169E 998 MB. WITHIN 480 NM S SEMICIRCLE
AND 420 NM NW QUADRANT WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.
ELSEWHERE WITHIN 480 NM NW AND 600 NM SW QUADRANTS WINDS TO 25
KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 44N180W 997 MB. WITHIN 540 NM SE AND 360
NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 22 FT. ELSEWHERE
WITHIN 240 NM N SEMICIRCLE...AND 900 NM SE AND 480 NM SW
QUADRANTS WINDS TO 25 KT. SEAS 8 TO 16 FT.

...GALE WARNING...
.48 HOUR FORECAST FROM 47N TO 55N BETWEEN 126W AND 131W WINDS 25
TO 40 KT. SEAS 8 TO 16 FT.

...GALE WARNING...
.48 HOUR FORECAST LOW 37N166E 1002 MB. ELSEWHERE WITHIN 300 NM N
SEMICIRCLE...AND 720 NM SE AND 600 NM SW QUADRANTS WINDS 25 TO
40 KT. SEAS 9 TO 17 FT.

...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY NE OF A LINE FROM 55N171W TO
59N179E.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY NE OF A LINE
FROM 55N168W TO 55N175W TO 59N179E.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NE OF A LINE
FROM 54N165W TO 55N171W TO 60N178W.

.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.

.EXCEPT AS NOTED IN WARNINGS SECTION ABOVE FROM 30N TO 55N
BETWEEN 116W AND 150W WINDS TO 25 KT. SEAS TO 12 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS SECTION ABOVE FROM
30N TO 50N BETWEEN 116W AND 140W WINDS TO 25 KT. SEAS TO 12 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS SECTION ABOVE FROM
30N TO 50N BETWEEN 116W AND 160W WINDS TO 25 KT .SEAS 8 TO 18 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 31N TO 49N
BETWEEN 143W AND 173W.
.24 HOUR FORECAST DENSE FOG FROM 31N TO 56N BETWEEN 135W AND
163W.
.48 HOUR FORECAST DENSE FOG FROM 37N TO 51N BETWEEN 127W AND
143W.

.HIGH 32N137W 1029 MB DRIFTING NW.
.24 HOUR FORECAST HIGH 35N139W 1030 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 39N140W 1026 MB MOVING E 20 KT.
.24 HOUR FORECAST HIGH 39N132W 1031 MB.
.48 HOUR FORECAST HIGH 35N136W 1030 MB.

.48 HOUR FORECAST NEW HIGH 36N155W 1028 MB.

.FORECASTER HOLLEY. 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 MAR 30.
24 HOUR FORECAST VALID 0000 UTC FRI MAR 31.
48 HOUR FORECAST VALID 0000 UTC SAT APR 01.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT APPROACHING FROM N. FROM 29N TO 30N BETWEEN 125W AND
128W NW TO N WINDS 20 TO 25 KT. SEAS 10 TO 11 FT. ELSEWHERE N OF
20N W OF 110W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N120W TO 27N125W. N OF FRONT
TO 125W NW TO N WINDS 20 TO 25 KT. SEAS TO 10 FT. ELSEWHERE
WITHIN AREA BOUNDED BY 30N128W TO 30N115W TO 20N130W TO 20N140W
TO 26N140W TO 30N115W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW
SWELL.
.48 HOUR FORECAST COLD FRONT E OF AREA. N OF 28N E OF 125W NW
WINDS 20 TO 25 KT. SEAS 10 TO 12 FT. ELSEWHERE FROM 30N130W TO
30N115W TO 15N140W TO 25N140W TO 30N130W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN MIXED NW AND NE SWELL.

.FROM 13N TO 16N W OF 135W NE WINDS 20 TO 25 KT. SEAS 9 FT.
ELSEWHERE FROM 05N TO 20N W OF 120W WINDS 20 KT OR LESS. SEAS TO
9 FT IN MIXED NW AND NE SWELL.
.24 HOUR FORECAST FROM 05N TO 20N W OF 130W WINDS 20 KT OR LESS.
SEAS TO 9 FT IN MIXED NW AND NE SWELL.
.48 HOUR FORECAST 05N TO 15N W OF 135W WINDS 20 KT OR LESS. SEAS
8 FT IN MIXED NE AND NW SWELL.

.24 HOUR FORECAST GULF OF CALIFORNIA COLD FRONT APPROACHING FROM
NW. N OF 28N W TO NW WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST COLD FRONT E OF AREA. 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 AT 0200 UTC THU MAR 30...

SURFACE TROUGH FROM 07N87W TO 04N104W. SCATTERED MODERATE WITHIN
60 NM EITHER SIDE OF TROUGH BETWEEN 90W AND 95W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ FROM 13N105W TO 01N130W FROM 13N105W TO 01N130W. SCATTERED
MODERATE CONVECTION WITHIN 30 NM EITHER SIDE OF TROUGH BETWEEN
85W AND 125W.

.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0000 UTC MAR 30 2017.
24 HOUR FORECAST VALID 0000 UTC MAR 31 2017.
48 HOUR FORECAST VALID 0000 UTC APR 01 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N168W TO 21N175E TO 16N160E MOVING E 20 KT N OF
21N. WINDS 20 TO 25 KT N OF LINE FROM 30N165W TO 29N177W TO
30N174E.
.24 HOUR FORECAST FRONT FROM 30N160W TO 24N170W TO 19N175E.
ASSOCIATED WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST WEAKENING FRONT 30N156W TO 26N166W TO 22N178E.

.TROUGH FROM 01N164E TO 06N 164E NEARLY STATIONARY. SCATTERED
MODERATE TO LOCALLY STRONG TSTMS FROM 01N TO 06N W OF 170E.
.24 HOUR FORECAST NEW TROUGH FROM 05N168E TO 01N160E.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

.RIDGE FROM 30N147W TO 26N158W MOVING E 20 KT.

.RIDGE FROM 25N175W TO 28N160E MOVING E 20 KT.

.24 HOUR FORECAST NEW HIGH 28N161E 1024 MB.
.48 HOUR FORECAST HIGH MOVED N OF AREA.

.NE TO E WINDS 20 TO 25 KT FROM 07N TO 17N E OF 150W...FROM 08N
TO 16N BETWEEN 150W AND 155W...AND FROM 05N TO 11N W OF 178E
.24 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

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

.SEAS 18 TO 22 FT N OF A LINE FROM 30N173W TO 23N176E TO
30N172E. SEAS 12 TO 18 FT ELSEWHERE N OF A LINE FROM 30N171W TO
18N170E TO 18N 160E. SEAS 8 TO 12 FT ELSEWHERE NW OF A LINE FROM
30N166W TO 14N160E. SEAS 8 TO 10 FT FROM 02N TO 18N BETWEEN 177W
AND 161W AND E OF 155W.
.24 HOUR FORECAST SEAS 18 TO 20 FT N OF A LINE FROM 30N162W TO
28N166W TO 30N172W. SEAS 12 TO 18 FT ELSEWHERE N OF A LINE FROM
30N159W TO 17N178W TO 30N178E. SEAS 8 TO 12 FT ELSEWHERE N OF A
LINE FROM 30N157W TO 05N177E TO 5N160E. SEAS 8 TO 10 FT FROM 05N
TO 19N BETWEEN 167W AND 152W AND E OF 152W.
.48 HOUR FORECAST SEAS 12 TO 15 FT N OF A LINE FROM 30N147W TO
22N158W TO 30N167W. SEAS 8 TO 12 FT ELSEWHERE FROM 02N TO 30N E
OF 175E.

.OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 03N TO 08N BETWEEN 143W AND 149W
AND FROM 04N TO 09N BETWEEN 160E AND 180E.

$$

.FORECASTER BIRCHARD/WOODRUM. HONOLULU HI.


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