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 MON FEB 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FEB 27.
24 HOUR FORECAST VALID 1800 UTC FEB 28.
48 HOUR FORECAST VALID 1800 UTC MAR 01.

.WARNINGS.

...STORM WARNING...
.LOW 48N164E 996 MB MOVING NW 25 KT. OVER FORECAST WATERS WITHIN
240 NM W SEMICIRCLE WINDS 40 TO 50 KT. SEAS 12 TO 21 FT.
ELSEWHERE WITHIN 600 NM NE QUADRANT AND FROM 39N TO 51N W OF
168E WINDS 30 TO 45 KT. SEAS 10 TO 17 FT.
.24 HOUR FORECAST LOW NW OF AREA 56N156E 993 MB. OVER FORECAST
WATERS FROM 45N TO 59N W OF 175W WINDS 25 TO 40 KT. SEAS 12 TO
22 FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS NW OF AREA.

...STORM WARNING...
.LOW 59N143W 1009 MB MOVING SE 10 KT. OVER FORECAST WATERS
WITHIN 480 NM W AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 12
FT.
.12 HOUR FORECAST LOW 58N141W 998 MB. WITHIN 420 NM W QUADRANT
WINDS 35 TO 50 KT. SEAS 12 TO 18 FT.
.24 HOUR FORECAST LOW 57N139W 988 MB. WITHIN 300 NM S AND SW
QUADRANTS WINDS 40 TO 50 KT. SEAS 18 TO 24 FT. ELSEWHERE WITHIN
480 NM SW AND 240 NM NE SEMICIRCLES WINDS 25 TO 40 KT. SEAS 12
TO 18 FT.
.48 HOUR FORECAST LOW 58N143W 1001 MB. WITHIN 300 NM OF LOW
CENTER EXCEPT 540 NM W QUADRANT WINDS 25 TO 40 KT. SEAS 9 TO 15
FT.

...STORM WARNING...
.24 HOUR FORECAST FROM 30N TO 36N W OF 166E WINDS 25 TO 35 KT.
SEAS 9 TO 15 FT.
.48 HOUR FORECAST LOW 34N171E 995 MB. WITHIN 240 NM NW
SEMICIRCLE WINDS 35 TO 50 KT. SEAS 12 TO 22 FT. ELSEWHERE FROM
30N TO 40N W OF 178E WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.

...GALE WARNING...
.LOW 37N168W 1012 MB MOVING NE 15 KT. WITHIN 480 NM NE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.
.24 HOUR FORECAST LOW 43N167W 1012 MB. WITHIN 240 NM E AND NE OF
A LINE FROM 46N168W TO 44N160W TO 32N162W WINDS 20 TO 30 KT.
SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW 48N148W 1011 MB. WITHIN 420 NM E AND 540
NM S QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

...GALE WARNING...
.LOW 45N172E 1007 MB MOVING NW 25 KT. WITHIN 300 NM E SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
56N156E DESCRIBED ABOVE.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 49N180W 1007 MB. WITHIN 480 NM N AND
NE QUADRANTS AND 300 NM SW SEMICIRCLE WINDS 25 TO 40 KT. SEAS 12
TO 20 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 60N AND W OF 170W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 56N157W TO 57N171W TO 60N179W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 55N154W TO 56N166W TO 60N176W.

.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.

.LOW 49N125W 1004 MB MOVING E 10 KT. WITHIN 720 NM W QUADRANT
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW INLAND AND ASSOCIATED CONDITIONS
DIMINISHED.

.FROM 30N TO 33N BETWEEN 134W AND 146W WINDS TO 25 KT. SEAS TO
11 FT.
.24 HOUR FORECAST CONDITIONS S OF AREA.

.OVER ICE FREE FORECAST WATERS N OF 58N AND W OF 170W AREA OF NW
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST FROM 55N TO 60N BETWEEN 157W AND 170W AREA OF
NW WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 54N TO 59N BETWEEN 160W AND 168W AREA OF
N WINDS 20 TO 30 KT. SEAS TO 9 FT.

.24 HOUR FORECAST FROM 30N TO 38N E OF 124W AREA OF N TO NW
WINDS TO 25 KT. SEAS TO 11 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 40N TO 50N
BETWEEN 177E AND 169E.
.24 HOUR FORECAST DENSE FOG FROM 40N TO 47N BETWEEN 157W AND
172W.
.48 HOUR FORECAST DENSE FOG FROM 40N TO 49N BETWEEN 145W AND
157W.

.HIGH 47N155W 1038 MB MOVING SE 25 KT.
.24 HOUR FORECAST HIGH 38N145W 1032 MB.
.48 HOUR FORECAST HIGH 36N132W 1034 MB.

.HIGH 57N179W 1042 MB MOVING NE 15 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.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 1800 UTC MON FEB 27.
24 HOUR FORECAST VALID 1800 UTC TUE FEB 28.
48 HOUR FORECAST VALID 1800 UTC WED MAR 01.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N123W TO 20N135W. N OF 23N W OF FRONT TO 134W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL. N OF 27.5N W OF
134W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NW SWELL AND
N WIND WAVES.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 29N116W TO 21N130W.
WITHIN AREA BOUNDED BY 30N140W TO 25N128W TO 23N130W TO 25N140W
TO 30N140W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.48 HOUR FORECAST COLD FRONT DISSIPATED. WITHIN AREA BOUNDED BY
30N118W TO 15N130W TO 15N140W TO 27N140W TO 20N118W WINDS 20 KT
OR LESS. SEAS 8 TO 10 FT IN NW SWELL.

.FROM 07N TO 12N BETWEEN 130W AND 135W WINDS 20 KT OR LESS. SEAS
8 FT IN NE WIND WAVES AND NW SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FROM 05N TO 15N W OF 115W WINDS 20 KT OR LESS.
SEAS 8 FT IN MIXED NE WIND WAVES AND NW SWELL.

.06 HOUR FORECAST FROM 10.5N TO 11.5N E OF 87.5W...INCLUDING
GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.24 HOUR FORECAST FROM 09.5N TO 12N E OF 92W...INCLUDING GULF OF
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 10N TO 12N E OF 90W...INCLUDING GULF OF
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.

.12 HOUR FORECAST GULF OF CALIFORNIA COLD FRONT APPROACHING FROM
WEST. N OF 29N SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST GULF OF CALIFORNIA COLD FRONT FROM 30N112W TO
24N119W. WINDS 20 KT OR LESS. 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 2115 UTC MON FEB 27...

.SURFACE TROUGH FROM 09N114W TO 03N116.5W TO 02.5N124W. WIDELY
SCATTERED MODERATE WITHIN 90 NM OF TROUGH.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
NO WELL DEFINED MONSOON TROUGH/ITCZ.

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 1800 UTC FEB 27 2017.
24 HOUR FORECAST VALID 1800 UTC FEB 28 2017.
48 HOUR FORECAST VALID 1800 UTC MAR 01 2017.

.WARNINGS.

.COLD FRONT RAPIDLY APPROACHING FORECAST AREA FROM W. WINDS
INCREASING TO E TO S 20 TO 25 KT N OF 27N W OF 162E.
.24 HOUR FORECAST FRONT NEAR 30N160E. WINDS SE TO SW 20 TO 30 KT
N OF 25N W OF 165E. SEAS 8 TO 10 FT NW OF A LINE FROM 30N175E TO
27N160E.
.36 HOUR FORECAST FRONT FROM 30N166E TO 26N160E. WIND W 20 TO 35
KT OVER FORECAST WATERS W OF FRONT. WINDS S TO SW 20 TO 30 KT
WITHIN 240 NM E OF FRONT. SEAS 8 TO 15 FT NW OF OF A LINE FROM
30N176E TO 26N165E TO 25N160E.
.48 HOUR FRONT FROM 30N171E TO 26N167E TO 23N160E. WINDS W TO NW
35 TO 45 KT N OF 26N WITHIN 420 NM W OF FRONT. WINDS W TO N 20
TO 35 KT ELSEWHERE OVER FORECAST WATERS W OF FRONT. WINDS SW 20
TO 35 KT N TO 26N WITHIN 240 NM E OF FRONT AND S OF 26N WITHIN
90 NM E OF FRONT. SEAS 15 TO 21 FT N OF 26N OVER FORECAST WATERS
W OF FRONT. SEAS 8 TO 15 FT ELSEWHERE NW OF A LINE FROM 30N179W
TO 24N170E TO 23N160E.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 25N175W 1013 MB MOVING SE SLOWLY. NUMEROUS MODERATE
TSTMS WITHIN 360 NM OF LOW E SEMICIRCLE. ISOLATED MODERATE TSTMS
WITHIN 120 NM OF LOW W SEMICIRCLE.
.24 HOUR FORECAST LOW NEAR 24N174W 1013 MB.
.36 HOUR FORECAST LOW DISSIPATED.

.COLD FRONT FROM 30N174E TO 26N170E MOVING NE 15 KT.
.24 HOUR FORECAST FRONT FROM 30N178E TO 28N175E.
.48 HOUR FORECAST FRONT N OF FORECAST AREA.

.STATIONARY FRONT 30N161W TO 25N165W.
.24 HOUR FORECAST DISSIPATING FRONT FROM 30N161W TO 27N167W.
.48 HOUR FORECAST REMNANT TROUGH 30N164W TO 25N166W.

.TROUGH DEVELOPING OVER FORECAST AREA.
.24 HOUR FORECAST TROUGH FROM 22N161E TO 17N164E TO 10N165E.
WINDS INCREASING TO SE TO E 20 TO 25 KT WITHIN 360 NM E OF
TROUGH AXIS.
.48 HOUR FORECAST TROUGH FROM 24N158E TO 18N157E TO 12N160E.
WINDS SE TO E 20 TO 30 KT WITHIN 360 NM OF TROUGH AXIS.

.OTHERWISE WIND E 20 TO 25 KT FROM 15N TO 07N BETWEEN 150W AND
160W.
.24 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.OTHERWISE SEAS 8 TO 9 FT WITHIN A POLYGON BOUND BY 30N179W
30N140W 07N150W 07N163W 30N179W.
.24 HOUR FORECAST SEAS 8 TO 9 FT WITHIN A POLYGON BOUND BY
30N161W 10N147W 06N165W 30N161W.
.48 HOUR FORECAST SEAS 8 TO 9 FT WITHIN A POLYGON BOUND BY
28N153W TO 26N140W 04N140W 10N150W 28N153W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.OTHERWISE SCATTERED MODERATE TSTMS WITHIN A POLYGON WITHIN 420
NM EITHER SIDE OF A LINE FROM 22N142W TO 13N166W. ALSO ISOLATED
MODERATE TO STRONG TSTMS S OF 12N W OF 166E.

$$

.FORECASTER BEDAL. HONOLULU HI.



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