High Seas Forecast
Issued by NWS

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000
FZPN02 KWBC 251125
HSFEPI

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

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 25.
24 HOUR FORECAST VALID 0600 UTC MAR 26.
48 HOUR FORECAST VALID 0600 UTC MAR 27.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 37N166E 992 MB MOVING NE 40 KT AND INTENSIFYING. WITHIN 180
NM S AND SW QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 20 FT.
ELSEWHERE OVER FORECAST WATERS N OF 30N WITHIN 480 NM S
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 9 TO 16 FT.
.12 HOUR FORECAST LOW 41N177E 981 MB. WITHIN 240 NM S QUADRANT
WINDS 50 TO 65 KT. SEAS 18 TO 28 FT.
.24 HOUR FORECAST LOW 45N174W 976 MB. WITHIN 180 NM S SEMICIRCLE
WINDS 50 TO 65 KT. SEAS 20 TO 34 FT. ALSO WITHIN 240 NM S AND SE
SEMICIRCLES WINDS 40 TO 50 KT. SEAS 16 TO 30 FT. ELSEWHERE WITHIN
300 NM E AND NE...720 NM S AND SE...AND 480 NM SW QUADRANTS N OF
30N WINDS 25 TO 40 KT. SEAS 12 TO 24 FT.
.48 HOUR FORECAST LOW 50N163W 977 MB. FRONT TO EXTEND FROM
33N163W TO 43N154W. WITHIN 360 NM OF LOW CENTER...AND WITHIN 540
NM E AND NE OF FRONT WINDS 25 TO 40 KT. SEAS 14 TO 28 FT.

...STORM WARNING...
.LOW 48N177E 968 MB MOVING NW 10 KT WILL TURN SE AFTER 24 HOURS.
WITHIN 540 NM S AND SE QUADRANTS WINDS 40 TO 50 KT. SEAS 20 TO 36
FT. ELSEWHERE OVER FORECAST WATERS N OF 30N WITHIN 900 NM NE...
1200 NM E AND SE...600 NM SW...AND 660 NM NW QUADRANTS...AND
WITHIN 360 NM E OF A FRONT EXTENDING FROM 48N158W TO 44N151W TO
33N159W WINDS 25 TO 40 KT. SEAS 10 TO 32 FT...HIGHEST SE
QUADRANT.
.24 HOUR FORECAST LOW 50N172E 968 MB. OVER FORECAST WATERS N OF
30N WITHIN 840 NM E AND NE...1020 NM S AND SE...960 NM SW...AND
480 NM NW QUADRANTS WINDS 30 TO 45 KT. SEAS 10 TO 24 FT...HIGHEST
NEAR 41N171E.
.48 HOUR FORECAST COMPLEX LOW WITH ONE CENTER 48N173E 983 MB AND
A SECOND NEW CENTER 44N176W 987 MB. WITHIN 240 NM S SEMICIRCLE OF
SECOND CENTER WINDS 35 TO 45 KT. SEAS 16 TO 26 FT. ELSEWHERE N OF
30N WITHIN 540 NM SE AND 840 NM SW QUADRANTS OF SECOND CENTER...
AND WITHIN 540 NM W QUADRANT...AND BETWEEN 240 NM AND 660 NM N
QUADRANT OF FIRST CENTER WINDS 25 TO 40 KT. SEAS 11 TO 22 FT.

...GALE WARNING...
.LOW 55N133W 996 MB MOVING N 15 KT. WITHIN 120 NM SW SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN 420 NM S AND
SE...AND 180 NM W AND SW QUADRANTS WINDS TO 25 KT. SEAS TO 12 FT.
.12 HOUR FORECAST LOW MOVED INLAND WITH CONDITIONS DIMINISHED.

...GALE WARNING...
.12 HOUR FORECAST NEW LOW 48N148W 984 MB. WITHIN 300 NM NE...780
NM SE...600 NM SW...AND 180 NM N AND NW QUADRANTS WINDS 25 TO 40
KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW 49N145W 982 MB WITH A FRONT FROM 49N135W TO
44N133W TO 35N137W. WITHIN 600 NM NE...660 NM SW...AND 180 NM N
AND NW QUADRANTS...AND WITHIN 240 NM E AND NE OF FRONT WINDS 25
TO 40 KT. SEAS 10 TO 20 FT.
.48 HOUR FORECAST LOW 50N134 998 MB. WITHIN 480 NM S AND SE...420
NM SW...AND 180 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 11 TO 22
FT.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 56N142W 989 MB. WITHIN 180 NM NE
QUADRANT WINDS 25 TO 35 KT. SEAS 10 TO 18 FT. ELSEWHERE WITHIN
240 NM OF LOW CENTER...EXCEPT 120 NM NW QUADRANT WINDS 20 TO 30
KT. SEAS 9 TO 16 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 58N BETWEEN 150W AND 153W.
LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM 56N160W TO
60N178W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 56N168W 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.

.LOW 36N122W 1020 MB DRIFTING SE. OVER FORECAST WATERS WITHIN 180
NM S AND SE QUADRANTS WINDS LESS THAN 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST FROM 30N TO 36N E OF 123W NW WINDS 20 TO 30 KT.
SEAS TO 10 FT.
.48 HOUR FORECAST FROM 30N TO 39N E OF 127W NW WINDS 20 TO 30 KT.
SEAS TO 12 FT.

.48 HOUR FORECAST FROM 30N TO 35N BETWEEN 165E AND 160E S TO SE
WINDS TO 25 KT. SEAS TO 9 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 31N TO 49N
BETWEEN 148W AND 161W...AND WITHIN 120 NM OF 48N169W AND 47N179W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM OF 43N166W.
.48 HOUR FORECAST DENSE FOG FROM 31N TO 49N BETWEEN 143W AND
166W.

.HIGH 39N136W 1023 MB MOVING E 15 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 31N139W 1028 MB NEARLY STATIONARY.
.24 HOUR FORECAST HIGH 30N137W 1027 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST HIGH 33N157W 1026 MB.
.48 HOUR FORECAST HIGH 35N141W 1030 MB.

.48 HOUR FORECAST HIGH 32N170E 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 SAT MAR 25.
24 HOUR FORECAST VALID 0600 UTC SUN MAR 26.
48 HOUR FORECAST VALID 0600 UTC MON MAR 27.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N128W TO 27N140W. N OF FRONT WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT IN NW SWELL.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 30N116W TO
27N127W. W OF LINE FROM 30N122W TO 23N129W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN NW SWELL.
.48 HOUR FORECAST FRONT DISSIPATED. N OF 21N W OF 138W WINDS 20
KT OR LESS. SEAS TO 9 FT IN NW SWELL.

.FROM 03N TO 20N W OF 117W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
IN MIXED NE AND NW SWELL.
.24 HOUR FROM 04N TO 23N W OF 124W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST FROM 05N TO 21N W OF 126W WINDS 20 KT OR LESS.
SEAS TO 10 FT IN MIXED NE AND NW SWELL.

.12 HOUR FORECAST N OF 28N E OF 117W NW WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST N OF 25N E OF 121W WINDS 20 KT OR LESS. SEAS
TO 9 FT IN NW SWELL.

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

CONVECTION VALID AT 0900 UTC SAT MAR 25...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ FROM 05N89W TO 05N95W TO 03N101W TO 02N124W TO 00N131W.
SCATTERED MODERATE WITHIN 90 NM N OF ITCZ BETWEEN 124W AND 130W.

.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0600 UTC MAR 25 2017.
24 HOUR FORECAST VALID 0600 UTC MAR 26 2017.
48 HOUR FORECAST VALID 0600 UTC MAR 27 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N162E TO 29N160E MOVING ESE 20 KT. WINDS 20 TO 30 KT N
OF 28N W OF 172E.
.24 HOUR FORECAST FRONT 30N175E TO 24N160E. WINDS EASED TO 20 KT
OR LESS OVER FORECAST AREA.
.48 HOUR FORECAST FRONT 30N169W TO 23N180W. SW WINDS 20 TO 25 KT
N OF 29N BETWEEN 160W AND 166W.

.FRONT 30N164W TO 26N172W TO 22N176E MOVING E 20 KT ALONG
30N...TO NEARLY STATIONARY S OF 26N.
.24 HOUR FORECAST FRONT 30N151W TO 27N163W.
.48 HOUR FORECAST FRONT DISSIPATED OVER FORECAST AREA.

.NEARLY STATIONARY FRONT 28N140W TO 27N146W DISSIPATING.
.24 HOUR FORECAST FRONT DISSIPATED OVER FORECAST AREA.

.HIGH 27N179E 1020 MB MOVING ENE 40 KT. RIDGE FROM HIGH TO
21N160E NEARLY STATIONARY.
.24 HOUR FORECAST HIGH MOVED N OF AREA.

.HIGH 27N148W 1027 MB NEARLY STATIONARY. RIDGE FROM HIGH TO
26N160W TO 23N167W MOVING NE SLOWLY.
.24 HOUR FORECAST HIGH DISSIPATED.

.NE WINDS 20 TO 25 KT FROM 05N TO 17N E OF 176W.
.24 HOUR FORECAST NE WINDS 20 TO 30 KT FROM 04N TO 19N E OF
170W...AND FROM 06N TO 14N BETWEEN 170W AND 170E.
.48 HOUR FORECAST NE WINDS 20 TO 25 KT FROM 06N TO 20N E OF
168W...AND FROM 07N TO 11N W OF 175W.

.SEAS 13 TO 19 FT N OF LINE 30N164W TO 18N176W TO 20N180W TO
30N175E. SEAS 8 TO 13 FT ELSEWHERE N OF LINE 30N163W TO 20N169W
TO 05N170W TO 05N175E TO 12N164E TO 28N163E TO 28N160E. SEAS 8
TO 11 FT E OF LINE 03N158W TO 05N170W TO 13N170W TO 20N148W.
SEAS 8 TO 10 FT N OF A LINE 25N140W TO 20N148W.
.24 HOUR FORECAST SEAS 12 TO 16 FT N OF LINE 30N154W TO 23N159W
TO 23N169W TO 30N175W. SEAS 8 TO 12 FT ELSEWHERE N OF 02N
BETWEEN 151W AND 175E. SEAS 8 TO 10 FT FROM 02N TO 21N E OF
151W...AND N OF 27N BETWEEN 165E AND 175E.
.48 HOUR FORECAST SEAS 8 TO 13 FT E OF LINE 01N175W TO 05N173E
TO 11N169E TO 22N176W TO 30N169E.

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

.ISOLATED MODERATE TSTMS S OF 10N W OF 180E...AND FROM 02N TO
10N BETWEEN 145W AND 180W.

$$

.HONOLULU HI.



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