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 MAR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAR 27.
24 HOUR FORECAST VALID 1800 UTC MAR 28.
48 HOUR FORECAST VALID 1800 UTC MAR 29.

.WARNINGS.

...STORM WARNING...
.LOW W OF AREA 36N151E 979 MB MOVING NE 40 KT. OVER FORECAST
WATERS W OF A LINE FROM 30N174E TO 40N163E WINDS 25 TO 40 KT.
SEAS TO 12 FT.
.24 HOUR FORECAST LOW 40N169E 976 MB. WITHIN 600 NM S QUADRANT
WINDS 40 TO 55 KT. SEAS 20 TO 34 FT. ELSEWHERE FROM 30N TO 45N
BETWEEN 172W AND 160E WINDS 25 TO 40 KT. SEAS 8 TO 16
FT...EXCEPT S OF 39N W OF 170E 14 TO 28 FT.
.48 HOUR FORECAST LOW 45N176W 965 MB. FROM 32N TO 41N BETWEEN
170W AND 172E WINDS 40 TO 55 KT. SEAS 22 TO 40 FT. ELSEWHERE
WITHIN 720 NM N...1020 NM E...1140 NM S...AND 660 NM W QUADRANTS
WINDS 25 TO 40 KT. SEAS 9 TO 18 FT...EXCEPT S QUADRANT 12 TO 24
FT.

...GALE WARNING...
.LOW 48N144W 1000 MB MOVING NE 30 KT. WITHIN 540 NM E AND 720 NM
S QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 18 FT.
.24 HOUR FORECAST LOW INLAND NEAR 55N132W 1004 MB. E OF A LINE
FROM THE LOW TO 44N126W WINDS TO 25 KT. SEAS 10 TO 15 FT WITH W
TO NW SWELL.
.36 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.LOW 52N163W 984 MB NEARLY STATIONARY. OVER FORECAST WATERS
WITHIN 300 NM N AND NW SEMICIRCLES WINDS 25 TO 35 KT. SEAS 8 TO
16 FT...HIGHEST S OF THE ALEUTIAN ISLANDS.
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.LOW 49N168W 984 MB MOVING E 10 KT. WITHIN 840 NM S QUADRANT
WINDS 25 TO 35 KT. SEAS 12 TO 20 FT.
.24 HOUR FORECAST LOW 50N160W 994 MB. WITHIN 540 NM S SEMICIRCLE
WINDS 20 TO 30 KT. SEAS 10 TO 16 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 47N177E 992 MB MOVING E 15 KT. WITHIN 480 NM SW SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 12 TO 22 FT.
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.FROM 30N TO 37N E OF 124W N TO NW WINDS 20 TO 30 KT. SEAS TO 10
FT.
.12 HOUR FORECAST FROM 32N TO 36N BETWEEN 119W AND 124W N TO NW
WINDS 25 TO 35 KT. SEAS 10 TO 15 FT.
.24 HOUR FORECAST FROM 30N TO 40N BETWEEN 118W AND 126W N TO NW
WINDS 20 TO 30 KT. SEAS 10 TO 14 FT.
.48 HOUR FORECAST FROM 30N TO 38N BETWEEN 120W AND 126W N WINDS
TO 25 KT. SEAS TO 12 FT.

...GALE WARNING...
.LOW 50N169E 993 MB MOVING SW 10 KT. WITHIN 420 NM SW AND NW
SEMICIRCLES WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 49N166E 992 MB. OVER FORECAST WATERS
BETWEEN 180 NM AND 420 NM W QUADRANT WINDS 25 TO 35 KT. SEAS TO
12 FT.
.48 HOUR FORECAST LOW 48N163E 998 MB. WITHIN 480 NM S QUADRANT
WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.

...GALE WARNING...
.LOW 49N161W 987 MB MOVING NE 25 KT. WITHIN 420 NM S QUADRANT
WINDS 20 TO 30 KT. SEAS 12 TO 16 FT.
.24 HOUR FORECAST LOW 55N147W 994 MB. WITHIN 420 NM SE
SEMICIRCLE AND 300 NM N QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 14
FT.
.36 HOUR FORECAST LOW 59N148W 994 MB. BETWEEN THE COAST A LINE
FROM THE LOW CENTER TO 55N135W WINDS 25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 60N148W 999 MB. WITHIN 420 NM S SEMICIRCLE
WINDS TO 25 KT. SEAS TO 10 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY NE OF A LINE FROM 56N167W TO
61N178W.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.N AND NE OF A LINE FROM 59N147W TO 50N130W WINDS 20 TO 30 KT.
SEAS TO 12 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.24 HOUR FORECAST WITHIN 300 NM S OF A FRONT FROM 44N133W TO
37N150W WINDS 20 TO 30 KT. SEAS 10 TO 14 FT.
.48 HOUR FORECAST LOW 50N127W 1008 MB. WITHIN 420 NM S AND SW
QUADRANTS WINDS TO 25 KT. SEAS TO 12 FT.

.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.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 240 NM
EITHER SIDE OF A LINE FROM 47N144W TO 33N155W.
.24 HOUR FORECAST DENSE FOG WITHIN 240 NM EITHER SIDE OF A LINE
FROM 46N131W TO 36N147W...AND FROM 30N TO 39N BETWEEN 175W AND
176E.
.48 HOUR FORECAST DENSE FOG WITHIN 300 NM EITHER SIDE OF A LINE
FROM 45N172W TO 43N162W TO 34N160W.

.HIGH 36N136W 1031 MB MOVING SE 10 KT.
.24 HOUR FORECAST HIGH 34N132W 1031 MB.
.48 HOUR FORECAST HIGH 33N133W 1029 MB.

.HIGH 31N179E 1019 MB MOVING NE 40 KT.
.24 HOUR FORECAST HIGH 34N162W 1020 MB.
.48 HOUR FORECAST HIGH 38N143W 1025 MB.

.FORECASTER COLLINS. 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 MAR 27.
24 HOUR FORECAST VALID 1800 UTC TUE MAR 28.
48 HOUR FORECAST VALID 1800 UTC WED MAR 29.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.N OF 28N E OF 122W NW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
ELSEWHERE N OF 23N BETWEEN 113W AND 121W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN NW SWELL.
.12 HOUR FORECAST N OF 24N E OF A LINE FROM 30N124W TO 24N120W
NW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST N OF 27N BETWEEN 118W AND 123W NW WINDS 20 TO
25 KT. SEAS 10 TO 13 FT.
.48 HOUR FORECAST N OF 26N BETWEEN 121W AND 126W N WINDS 20 TO
25 KT. SEAS 10 TO 12 FT. ELSEWHERE N OF 20N W OF 110W WINDS 20
KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.

.FROM 07N TO 20N W OF 130W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO
11 FT. ELSEWHERE W OF LINE 30N130W TO 25N132W TO 18N122W TO
05N130W TO 03N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED
NE AND NW SWELL.
.12 HOUR FORECAST FROM 07N TO 22N W OF 125W NE TO E WINDS 20 TO
25 KT. SEAS 9 TO 11 FT. ELSEWHERE W OF LINE 30N116W TO 22N112W
TO 10N120W TO 02N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN
MIXED NE AND NW SWELL.
.24 HOUR FORECAST FROM 09N TO 22N W OF 125W NE TO E WINDS 20 TO
25 KT. SEAS 9 TO 11 FT. ELSEWHERE W OF LINE 30N116W TO 22N112W
TO 10N120W TO 01N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN
MIXED NE AND NW SWELL.
.48 HOUR FORECAST FROM 03N TO 20N W OF LINE FROM 20N110W TO
07N120W TO 03N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED
NE AND NW SWELL.

.18 HOUR FORECAST GULF OF CALIFORNIA N OF 30N NW WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 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 2100 UTC MON MAR 27...

TROUGH FROM 05N87W TO 03N97W. SCATTERED MODERATE ISOLATED STRONG
WITHIN 90 NM OF TROUGH BETWEEN 88W AND 92W. ISOLATED MODERATE
FROM 03N TO 05N BETWEEN 92W AND 95W.

SCATTERED MODERATE FROM 03N TO 05N BETWEEN 128W AND 138W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE ITCZ AXIS IS SOUTH OF THE EQUATOR.

.FORECASTER GR. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 1800 UTC MAR 27 2017.
24 HOUR FORECAST VALID 1800 UTC MAR 28 2017.
48 HOUR FORECAST VALID 1800 UTC MAR 29 2017.

.WARNINGS.

...GALE WARNING...
.FRONT FROM 30N164E TO 27N160E MOVING E 20 KT. WINDS 20 TO 30 KT
N OF A LINE FROM 30N172E TO 28N163E TO 29N160E.
.12 HOUR FORECAST FRONT FROM 30N168E TO 24N160E. WINDS 30 TO 45
KT N OF 27N BETWEEN FRONT AND 160E. WINDS 20 TO 30 KT ELSEWHERE
N OF A LINE FROM 30N177E TO 25N166E TO 24N160E.
.24 HOUR FORECAST FRONT FROM 30N174E TO 26N171E TO 21N160E.
WINDS 30 TO 40 KT N OF 27N BETWEEN FRONT AND 165E. WINDS 20 TO
30 KT ELSEWHERE N OF A LINE FROM 30N177W TO 25N170E TO 24N160E.
.48 HOUR FORECAST FRONT FROM 30N171W TO 24N179W TO 19N170E.
WINDS 20 TO 35 KT N OF A LINE FROM 30N166W TO 26N175W TO
28N168E.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N169W TO 25N179W TO 24N175E MOVING ENE 25 KT.
SCATTERED MODERATE TSTMS WITHIN 300 NM E OF FRONT N OF 26N.
.24 HOUR FORECAST FRONT 30N165W TO 28N176W.
.48 HOUR FORECAST FRONT MOVED N OF FORECAST AREA.

.RIDGE FROM 30N148W TO 22N179W MOVING E 10 KT.

.NE TO E WINDS 20 TO 25 KT FROM 06N TO 19N E OF 160W...AND FROM
06N TO 12N BETWEEN 160W AND 168W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 06N TO 16N E OF
155W...AND FROM 07N TO 12N BETWEEN 155W AND 177W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 08N TO 13N E OF
156W.

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

.SEAS 8 TO 12 FT E OF A LINE FROM 30N174E TO 23N173W TO 07N170E
TO 00N179E.
.24 HOUR FORECAST SEAS 18 TO 27 FT N OF A LINE FROM 30N169E TO
26N160E. SEAS 12 TO 18 FT ELSEWHERE N OF A LINE FROM 30N173E TO
25N160E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 30N179E TO
23N160E...AND E OF A LINE FROM 30N175W TO 07N175E TO 00N177W.
.48 HOUR FORECAST SEAS 18 TO 25 FT N OF A LINE FROM 30N176W TO
24N174E TO 30N168E. SEAS 12 TO 18 FT ELSEWHERE N OF A LINE FROM
30N173W TO 20N169E TO 20N160E. SEAS 8 TO 12 FT ELSEWHERE N OF A
LINE FROM 30N167W TO 16N165E TO 15N160E. SEAS 8 TO 10 FT E OF A
LINE FROM 30N160W TO 08N179E TO 02N174W.

.OTHERWISE SEAS 8 FT OR LESS OVER REMAINDER OF AREA.

.ITCZ FROM 03N140W TO 02N149W...AND FROM 04N176E TO 06N165E TO
06N160E. ISOLATED MODERATE TSTMS WITHIN 180 NM S OF ITCZ W OF
176E. ISOLATED TSTMS WITHIN 60 NM N OF ITCZ E OF 149W.

.ISOLATED MODERATE TSTMS FROM 05N TO 07N BETWEEN 150W AND 170W.

$$

.FORECASTER BRAVENDER. HONOLULU HI.



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