High Seas Forecast
Issued by NWS

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000
FZPN02 KWBC 250525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC SAT FEB 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FEB 25.
24 HOUR FORECAST VALID 0000 UTC FEB 26.
48 HOUR FORECAST VALID 0000 UTC FEB 27.

.WARNINGS.

...STORM WARNING...
.LOW JUST NW OF FORECAST AREA 55N166E 968 MB MOVING NE 30 KT.
FRONT EXTENDS FROM 58N172E TO 51N174E45N173E TO 36N165E. OVER
FORECAST WATERS FROM 49N TO 54N BETWEEN 173E AND 162E AND WITHIN
240 NM E OF FRONT N OF 48N WINDS 40 TO 50 KT. SEAS 22 TO 33
FT...EXCEPT E OF FRONT 14 TO 27 FT. ALSO WITHIN 720 NM E AND 540
NM S QUADRANTS AND WITHIN 300 NM E OF FRONT WINDS 25 TO 40 KT.
SEAS IN ICE FREE WATERS 10 TO 23 FT...HIGHEST IN S QUADRANT.
ELSEWHERE W OF A LINE FROM 60N161W TO 45N174W AND WITHIN 420 NM
E OF FRONT WINDS 20 TO 30 KT. SEAS 9 TO 20 FT...EXCEPT E OF 167W
9 FT OR LESS.
.24 HOUR FORECAST LOW NW OF FORECAST AREA 64N179E 987 MB. WITHIN
420 NM S AND 240 NM SE QUADRANTS WINDS 30 TO 40 KT. SEAS 21 TO
28 FT. ELSEWHERE N OF A LINE FROM 61N165W TO 54N180W TO 51N165E
WINDS 20 TO 30 KT. SEAS 12 TO 21 FT.
.48 HOUR FORECAST LOW N OF AREA. OVER BERING SEA N AND NE OF A
LINE FROM 53N169W TO 56N175E AREA OF W TO SW WINDS 20 TO 30 KT.
SEAS 9 TO 15 FT.

...GALE WARNING...
.LOW 35N145W 1006 MB DRIFTING SE. BETWEEN 90 NM AND 300 NM N
SEMICIRCLE WINDS 30 TO 40 KT. SEAS 10 TO 18 FT. ELSEWHERE OVER
FORECAST WATERS WITHIN 480 NM E...600 NM N...480 NM W AND 240 NM
S QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 34N143W 1012 MB. WITHIN 360 NM N AND NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 20 FT. ELSEWHERE WITHIN
660 NM N SEMICIRCLE AND 180 NM S QUADRANT WINDS 20 TO 30 KT.
SEAS 10 TO 16 FT.
.48 HOUR FORECAST LOW 32N141W 1016 MB. WITHIN 240 NM N AND 600
NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 9 TO 14 FT.

...GALE WARNING...
.LOW 36N163W 1018 MB MOVING S 10 KT. FROM 36N TO 44N BETWEEN
164W AND 168W WINDS 25 TO 40 KT. SEAS 12 TO 17 FT. ELSEWHERE
EXCEPT AS DESCRIBED WITH LOW 35N145W WITHIN 360 NM E AND NE
QUADRANTS...720 NM NW SEMICIRCLE AND 420 NM SW QUADRANT WINDS TO
25 KT. SEAS 9 TO 13 FT.
.24 HOUR FORECAST LOW 32N163W 1012 MB. BETWEEN 120 NM AND 360 NM
NE AND N QUADRANTS WINDS 25 TO 35 KT. SEAS 11 TO 20 FT.
ELSEWHERE EXCEPT AS DESCRIBED WITH LOW 34N143W ABOVE...FROM 30N
TO 43N BETWEEN 155W AND 173W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW 34N164W 1013 MB. WITHIN 360 NM NE AND N
QUADRANTS WINDS 25 TO 35 KT. SEAS 12 TO 18 FT. ELSEWHERE EXCEPT
AS DESCRIBED WITH LOW 32N141W ABOVE...WITHIN 540 NM NE
SEMICIRCLE AND FROM 33N TO 42N BETWEEN 164W AND 176W WINDS 20 TO
30 KT. SEAS 10 TO 16 FT.

...GALE WARNING...
.LOW 61N147W 1026 MB MOVING SE 25 KT. OVER FORECAST WATERS N OF
54N BETWEEN 143W AND 157W WINDS 20 TO 30 KT. SEAS TO 11 FT.
.06 HOUR FORECAST LOW 60N145W 1022 MB. WITHIN 240 NM SW QUADRANT
WINDS 25 TO 40 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 54N130W 1013 MB. WITHIN 360 NM W QUADRANT
WINDS 25 TO 35 KT. SEAS 10 TO 19 FT. ELSEWHERE E OF A LINE FROM
59N152W TO 48N140W AND W OF 128W WINDS 20 TO 30 KT. SEAS 8 TO 14
FT.
.48 HOUR FORECAST LOW INLAND NEAR 46N123W 1005 MB. S AND SE OF A
LINE FROM 54N133W TO 47N140W AND N OF 39N WINDS 20 TO 30 KT.
SEAS 8 TO 14 FT.

...GALE WARNING...
.LOW 45N128W 1016 MB MOVING S 20 KT. WITHIN 300 NM SW AND 600 NM
NW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW 37N127W 1013 MB. WITHIN 360 NM NW AND W
AND 300 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.30 HOUR FORECAST LOW 36N124W 1012 MB. WITHIN 240 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS 9 TO 12 FT.
.48 HOUR FORECAST LOW 33N118W 1015 MB. WITHIN 180 NM W AND SW
QUADRANTS WINDS TO 25 KT. SEAS TO 9 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW 37N169E 1017 MB. WITHIN 360 NM NW AND 180
NM SE SEMICIRCLES AND WITHIN 240 NM SE OF A FRONT FROM 61N166W
TO 52N177W TO LOW CENTER WINDS 20 TO 30 KT. SEAS 9 TO 18
FT...HIGHEST NEAR 49N178W.
.48 HOUR FORECAST LOW 40N171E 1011 MB. WITHIN 360 NM NE
SEMICIECLE WINDS 25 TO 35 KT. SEAS 9 TO 14 FT.

...GALE WARNING...
.36 HOUR FORECAST OVER FORECAST WATERS N OF 55N BETWEEN 143W AND
158W AREA OF W TO NW WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST WITHIN 300 NM SW OF A LINE FROM 60N149W TO
56N140W AREA OF W TO NW WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.48 HOUR FORECAST OVER FORECAST WATERS N OF 40N W OF 163E AREA
OF S TO SE WINDS 30 TO 40 KT. SEAS 9 TO 17 FT.

.SYNOPSIS AND FORECAST...CORRECTED.

.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 NW OF AREA 64N177W 1005 MB MOVING NE 20 KT. OVER FORECAST
WATERS N OF 60N W OF ALASKA AREA OF SW WINDS 20 TO 30 KT. SEAS
IN ICE FREE WATERS 12 TO 15 FT.
.24 HOUR FORECAST LOW DISSIPATED N OF AREA.

.48 HOUR FORECAST EXCEPT WHERE NOTED IN WARNINGS SECTION OVER
FORECAST WATERS S AND SW OF A LINE FROM 53N167E TO 50N180W AND N
OF 34N WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM SE OF
A LINE FROM 50N176E TO 41N169E.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM SE OF A LINE FROM
50N179E TO 40N170E AND WITHIN 90 NM OF 58N169W.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM SE OF A LINE FROM
49N179W TO 41N171E.

.HIGH 34N126W 1026 MB MOVING SE 15 KT.
.24 HOUR FORECAST HIGH S OF FORECAST AREA.

.HIGH 49N168W 1041 MB MOVING NE 20 KT.
.24 HOUR FORECAST HIGH 52N158W 1045 MB.
.48 HOUR FORECAST HIGH MERGED WITH HIGH 48N158W BELOW.

.HIGH 51N150W 1042 MB MOVING SW 10 KT.
.24 HOUR FORECAST HIGH 49N156W 1045 MB.
.48 HOUR FORECAST HIGH 48N158W 1044 MB.

.HIGH 39N163E 1020 MB MOVING NE 20 KT.
.24 HOUR FORECAST HIGH 44N169E 1026 MB.
.48 HOUR FORECAST HIGH 53N178E 1038 MB.

.FORECASTER BANCROFT. 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 SAT FEB 25.
24 HOUR FORECAST VALID 0000 UTC SUN FEB 26.
48 HOUR FORECAST VALID 0000 UTC MON FEB 27.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 18N TO 27N BETWEEN 110W AND 121W WINDS 20 KT OR LESS. SEAS
8 TO 10 FT IN MIXED NW AND N SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.COLD FRONT APPROACHING FROM NW. N OF 26N W OF 134W SE TO S
WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. ELSEWHERE NW OF LINE FROM
30N132W TO 22N135W TO 21N140W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN NW SWELL. FROM 06N TO 08N W OF 136W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN MIXED NE AND NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N133W TO 24N137W TO 20N140W.
N OF 28.5N E OF FRONT TO 131W S TO SW WINDS 20 TO 25 KT. SEAS 8
FT. ELSEWHERE N OF 14N W OF 131W WINDS 20 KT OR LESS. SEAS 8 FT
IN NW SWELL.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 30N127W TO 20N139W.
N OF 29N W OF 138W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.
FROM 08N TO 17N W OF 126W WINDS 20 KT OR LESS. SEAS TO 9 FT IN
MIXED NW AND NE SWELL.

.GULF OF CALIFORNIA FROM 22.5N TO 27N NW WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.12 HOUR FORECAST GULF OF CALIFORNIA FROM 22N TO 27.5N NW WINDS
20 TO 25 KT. SEAS TO 8 FT S OF 23N.
.24 HOUR FORECAST GULF OF CALIFORNIA FROM 23N TO 27N NW WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.30 HOUR FORECAST N OF 15.5N BETWEEN 94.5W AND 95.5W...INCLUDING
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT
.42 HOUR FORECAST 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 0230 UTC SAT FEB 25...

.SURFACE TROUGH FROM 05N114W TO 11N105W. ISOLATED MODERATE
WITHIN 90 NM NW OF THE TROUGH.

.SCATTERED MODERATE ISOLATED STRONG S OF 01.5S BETWEEN 94W AND
109W ASSOCIATED WITH TROUGH S OF AREA.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THERE IS NO ITCZ CURRENTLY OVER THE FORECAST WATERS NORTH OF THE
EQUATOR.

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0000 UTC FEB 25 2017.
24 HOUR FORECAST VALID 0000 UTC FEB 26 2017.
48 HOUR FORECAST VALID 0000 UTC FEB 27 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N141W 24N147W MOVING ESE 10 KT. WINDS 20 TO 25 KT N OF
28N E OF 150W.
.24 HOUR FORECAST FRONT MOVED E OF FORECAST AREA. WINDS
DIMINISHED TO 20 KT OR LESS OVER FORECAST AREA.

.FRONT 30N162W 27N169W 26N177W MOVING E 10 KT. NE WINDS 20 TO 25
KT N OF FRONT.
.24 HOUR FORECAST FRONT 30N158W 25N170W. WINDS DIMINISHED TO 20
KT OR LESS.
.48 HOUR FORECAST FRONT 30N157W 25N166W.

.FRONT W OF FORECAST AREA MOVING E 15 KT.
.24 HOUR FORECAST FRONT NEAR 30N160E.
.48 HOUR FORECAST FRONT 30N165E 27N160E.

.TROUGH 23N142W 16N142W MOVING E SLOWLY AND DISSIPATING.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 26N176E 19N171E MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH 25N173E 20N170E DISSIPATING.
.48 HOUR FORECAST TROUGH DISSIPATED.

.HIGH 29N158W 1022 MB MOVING SE 10 KT. RIDGE FROM HIGH TO
23N150W MOVING NE 10 KT.
.24 HOUR FORECAST HIGH 25N151W 1019 MB DISSIPATING.
.48 HOUR FORECAST HIGH DISSIPATED.

.RIDGE 30N169E 27N160E MOVING NE 15 KT.

.NE TO E WINDS 20 TO 25 KT FROM 10N TO 18N BETWEEN 155W AND
180W...AND FROM 05N TO 15N W OF 180W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 03N TO 16N W OF
175E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 04N TO 17N W OF
170E.

.WINDS 20 KT OR LESS OVER REMAINDER OF AREA.

.SEAS 8 TO 11 FT N OF LINE 20N140W 20N155W 10N155W 04N170W
04N160E.
.24 HOUR FORECAST SEAS 8 TO 10 FT N OF LINE 20N140W 20N155W
26N160W 26N175E 28N160E...AND FROM 04N TO 20N W OF 160W.
.48 HOUR FORECAST SEAS 8 TO 10 FT N OF 26N BETWEEN 150W AND
175W...AND FROM 04N TO 18N W OF 170E.

.SEAS 8 FT OR LOWER REMAINDER OF AREA.

.ITCZ 07N158W 06N175W 04N172E. ISOLATED MODERATE TSTMS WITHIN
180NM N AND 90 NM S OF ITCZ.

.ISOLATED MODERATE TSTMS S OF 05N W OF 170E.

$$

.FORECASTER BURKE. HONOLULU HI.



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