High Seas Forecast
Issued by NWS

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000
FZPN02 KWBC 260525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MAR 26.
24 HOUR FORECAST VALID 0000 UTC MAR 27.
48 HOUR FORECAST VALID 0000 UTC MAR 28.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 43N178W 978 MB MOVING NE 35 KT AND INTENSIFYING. WITHIN
180 NM S SEMICIRCLE WINDS 40 TO 55 KT. SEAS 18 TO 30 FT.
ELSEWHERE WITHIN 180 NM NE...660 NM SE...AND 1080 NM W AND SW
QUADRANTS N OF 30N WINDS 30 TO 45 KT. SEAS 13 TO 26 FT.
.06 HOUR FORECAST LOW 44N175W 976 MB. WITHIN 180 NM S AND SE
SEMICIRCLES WINDS 50 TO 65 KT. SEAS 21 TO 33 FT.
.24 HOUR FORECAST LOW 50N166W 976 MB. WITHIN 120 NM SE QUADRANT
WINDS 40 TO 50 KT. SEAS 18 TO 28 FT. ELSEWHERE FROM 45N TO 55N
BETWEEN 155W AND 172W...AND WITHIN 360 NM E OF A FRONT TO EXTEND
FROM 36N165W TO 47N155W WINDS 25 TO 40 KT. SEAS 11 TO 22 FT.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 49N165W
BELOW.

...STORM WARNING...
.LOW 49N146W 982 MB MOVING E 15 KT. WITHIN 480 NM NE...900 NM
SE...840 NM W AND SW...AND 120 NM NW QUADRANTS WINDS 25 TO 40 KT.
SEAS 9 TO 26 FT...HIGHEST NEAR 45N164W.
.12 HOUR FORECAST LOW 49N141W 982 MB. FRONT TO EXTEND FROM
41N129W TO 49N131W TO 51N135W. WITHIN 180 NM E AND NE OF FRONT N
OF 49N WINDS 35 TO 50 KT. SEAS 10 TO 18 FT.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 49N134W 988 MB
AND NEW SECOND CENTER 55N138W 990 MB. FRONT TO EXTEND FROM
51N129W TO 55N140W. WITHIN 120 NM E AND NE OF FRONT...AND WITHIN
360 NM SE...600 NM S AND SW...AND 300 NM W AND NW QUADRANTS
OF FIRST CENTER WINDS 25 TO 40 KT. SEAS 11 TO 22 FT.
.48 HOUR FORECAST LOW 58N148W 987 MB. WITHIN 120 NM W
SEMICIRCLE...AND 240 NM NE AND 90 NM SE QUADRANTS WINDS 20 TO 30
KT. SEAS 8 TO 15 FT.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 44N176W 986 MB. WITHIN 300 NM S
QUADRANT WINDS 35 TO 50 KT. SEAS 18 TO 26 FT. ELSEWHERE WITHIN
540 NM SE...AND 660 NM S AND SW QUADRANTS WINDS 25 TO 40 KT. SEAS
11 TO 22 FT.
.48 HOUR FORECAST LOW 49N165W 983 MB. WITHIN 540 NM SE...660 NM S
AND SW...AND 360 NM N AND NW QUADRANTS WINDS 25 TO 35 KT. SEAS 10
TO 20 FT.

...GALE WARNING...
.LOW 49N172E 971 MB NEARLY STATIONARY WILL MOVE SE AFTER 24
HOURS. EXCEPT WHERE DESCRIBED WITH LOW 43N178W ABOVE...WITHIN 840
NM E AND NE...360 NM SE...600 NM SW...AND 480 NM NW QUADRANTS
WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 48N174E 982 MB
AND NEW SECOND CENTER 51N177E 987 MB. EXCEPT WHERE DESCRIBED WITH
LOW 44N176W ABOVE...WITHIN 720 NM S AND SE...AND 480 NM W AND SW
QUADRANTS OF FIRST CENTER...AND WITHIN 360 NM N SEMICIRCLE OF
SECOND NEW CENTER WINDS 25 TO 40 KT. SEAS 11 TO 22 FT.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 47N180W 994 MB
AND SECOND CENTER 50N169E 995 MB. EXCEPT WHERE DESCRIBED WITH LOW
49N165W ABOVE...WITHIN 660 NM SE AND 420 NM SW QUADRANTS OF
FIRST CENTER WINDS 25 TO 35 KT. SEAS 10 TO 20 FT. ELSEWHERE
WITHIN 360
NM OF SECOND CENTER WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.OVER FORECAST WATERS FROM 30N TO 36N E OF 122W NW WINDS TO 25
KT. SEAS TO 9 FT.
.24 HOUR FORECAST FROM 30N TO 35N E OF 122W NW WINDS TO 25 KT.
SEAS TO 10 FT.
.48 HOUR FORECAST FROM 30N TO 39N BETWEEN 117W AND 124W NW WINDS
25 TO 35 KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 54N136W 998 MB. WITHIN 180 NM E AND
NE...AND 300 NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 47N145W 1002 MB. WITHIN 600 NM SE
QUADRANT WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.

...GALE WARNING...
.48 HOUR FORECAST LOW W OF AREA 35N154E 980 MB. OVER FORECAST
WATERS W OF A LINE FROM 30N175E TO 36N173E TO 42N162E WINDS 25 TO
40 KT. SEAS 9 TO 18 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 57N168W TO
59N179W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND NE OF A
LINE FROM 55N163W TO 60N179W.
.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.

.OVER FORECAST WATERS FROM 36N TO 53N E OF 130W WINDS LESS THAN
25 KT. SEAS TO 10 FT.
.12 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 49N141W IN
WARNINGS SECTION ABOVE.

.48 HOUR FORECAST NEW LOW 55N147W 998 MB. WITHIN 180 NM SE AND
120 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 36N TO 46N
BETWEEN 134W AND 141W...AND WITHIN 120 NM OF 49N160W.
.24 HOUR FORECAST DENSE FOG FROM 30N TO 42N BETWEEN 156W AND
168W...AND WITHIN 180 NM OF 47N152W.
.48 HOUR FORECAST DENSE FOG FROM 33N TO 51N BETWEEN 137W AND
156W.

.HIGH 30N134W 1026 MB DRIFTING SE.
.24 HOUR FORECAST HIGH DISSIPATED S OF AREA.

.HIGH 32N159W 1026 MB MOVING E 25 KT.
.24 HOUR FORECAST HIGH 33N145W 1029 MB.
.48 HOUR FORECAST HIGH 35N134W 1031 MB.

.24 HOUR FORECAST HIGH 31N168E 1023 MB.
.48 HOUR FORECAST HIGH 31N174W 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 0000 UTC SUN MAR 26.
24 HOUR FORECAST VALID 0000 UTC MON MAR 27.
48 HOUR FORECAST VALID 0000 UTC TUE MAR 28.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N118W TO 25N134W. N OF 26N E OF 117W NW WINDS
20 TO 25 KT. SEAS 8 FT. N OF 20N W OF A LINE FROM 30N124W TO
20N130W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT E OF AREA. N OF 26N E OF 116W NW
WINDS 20 TO 25 KT. SEAS TO 8 FT N OF 28N. ELSEWHERE N OF 25N E
OF 123W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.36 HOUR FORECAST N OF 28N E OF 120W NW WINDS 20 TO 25 KT. SEAS
8 TO 9 FT. N OF 20N W OF A LINE FROM 30N132W TO 25N135W TO
20N132W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL...
HIGHEST NEAR 30N140W.
.48 HOUR FORECAST N OF 25N E OF LINE FROM 30N123W TO 25N118W NW
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE N OF 24N E OF 123W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL. W OF LINE FROM
30N123W TO 25N130W TO 20N128W WINDS 20 KT OR LESS. SEAS 8 TO 11
FT IN NW SWELL.

.FROM 07N TO 18N W OF 130W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO
11 FT. ELSEHWERE FROM 02N TO 20N W OF 122W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN MIXED NE AND NW SWELL.
.24 HOUR FROM 08N TO 15N W OF 130W NE TO E WINDS 20 TO 25 KT.
SEAS 8 TO 10 FT. ELSEWHERE FROM 04N TO 22N W OF 123W WINDS 20 KT
OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND NW SWELL.
.36 HOUR FORECAST FROM 08N TO 18N W OF 128W NE TO E WINDS 20 TO
25 KT. SEAS 9 TO 11 FT. ELSEWHERE FROM 05N TO 20N W OF A LINE
FROM 05N130W TO 20N120W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN
MIXED NE AND NW SWELL.
.48 HOUR FORECAST FROM 07N TO 17N W OF 130W NE WINDS 20 TO 25
KT. SEAS 9 TO 11 FT. ELSEWHERE W OF A LINE FROM 20N128W TO
16N123W TO 06N130W TO 03N140W WINDS 20 KT OR LESS. SEAS 8 TO 9
FT IN MIXED NE AND NW SWELL.

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

CONVECTION VALID AT 0200 UTC SUN MAR 26...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ EXTENDS FROM 02N110W TO 02N125W TO 00N140W. SCATTERED
MODERATE WITHIN 45 NM S OF THE ITCZ BETWEEN 125W AND 130W...AND
WITHIN 75 NM N OF THE ITCZ BETWEEN 130W AND 132W.

.FORECASTER GR. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0000 UTC MAR 26 2017.
24 HOUR FORECAST VALID 0000 UTC MAR 27 2017.
48 HOUR FORECAST VALID 0000 UTC MAR 28 2017.

.WARNINGS.

...GALE WARNING...
.36 HOUR FORECAST AREA N OF A LINE...30N168E TO 26N160E...WINDS
SW TO S 20 TO 30 KT.
.48 HOUR FORECAST FRONT APPROACHING AREA FROM W. WINDS SW 20 TO
35 KT N OF A LINE 30N177E TO 25N160E.

.SYNOPSIS AND FORECAST.

.FRONT 30N172E TO 25N160E MOVING E TO 30 KT. SW WINDS 20 TO 25
KT BETWEEN FRONT AND 180W N OF 28N.
.24 HOUR FORECAST FRONT 30N170W TO 25N180W TO 23N170E. WINDS 20
TO 25 KT BETWEEN FRONT AND 164W N OF 28N.
.48 HOUR FORECAST FRONT 30N160W TO 28N165W TO 28N172W TO
26N177W. WINDS DIMINISHED TO 20 KT OR LESS.

.FRONT 30N155W TO 28N162W TO 28N173W. PART OF FRONT E OF 160W
MOVING E 20 KT. REST OF FRONT MOVING N AS A DISSIPATING WARM
FRONT TO 15 KT.
.24 HOUR FORECAST WEAK FRONT 29N140W TO 29N144W TO 30N149W.
.36 HOUR FORECAST FRONT DISSIPATED OVER FORECAST WATERS.

.HIGH 27N147W 1026 MB NEARLY STATIONARY...DISSIPATING. RIDGE
FROM HIGH TO 24N174W STATIONARY AND DISSIPATING.
.24 HOUR FORECAST HIGH AND RIDGE DISSIPATED.

.NE WINDS 20 TO 30 KT FROM 04N TO 18N E OF 165W...AND FROM 06N
TO 15N BETWEEN 165W AND 178E. SEAS 8 TO 12 FT...HIGHEST W OF
165W.
.24 HOUR FORECAST WINDS E 20 TO 25 KT FROM 06N TO 20N E OF 165W.
ALSO WINDS E 20 TO 25 KT BETWEEN 04N AND 14N W OF 165W. SEAS 8
TO 13 FT HIGHEST BETWEEN 153W AND 165W.
.48 HOUR FORECAST E WINDS 20 TO 25 KT FROM 06N TO 18N E OF 155W
SEAS 8 TO 12 FT.

.OTHERWISE WINDS 20 KT OR LESS.

.ELSEWHERE...SEAS 10 TO 16 FT N OF 20N BETWEEN 154W AND 178E.
SEAS 8 TO 10 FT N OF 28N W OF 178E. REMAINDER OF AREA...SEAS 8
FT OR LESS.
.24 HOUR FORECAST SEAS 10 TO 13 FT N OF 20N BETWEEN 170W AND
143W. SEAS 8 TO 11 FT ELSEWHERE N OF 28N E OF 170E. REST OF AREA
SEAS 9 FT OR LESS.
.48 HOUR FORECAST SEAS 8 TO 11 FT ELSEWHERE E OF 175E.

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

.ITCZ...ALONG 05N BETWEEN 170W AND 170E. SCATTERED MODERATE
TSTMS WITHIN 150 NM N OF ITCZ.

$$

.FORECASTER LAU. HONOLULU HI.



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