High Seas Forecast
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000
FZPN02 KWBC 270525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC THU APR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC APR 27.
24 HOUR FORECAST VALID 0000 UTC APR 28.
48 HOUR FORECAST VALID 0000 UTC APR 29.

.WARNINGS.

...STORM WARNING...
.LOW W OF AREA 43N151E 997 MB MOVING NE 25 KT AND RAPIDLY
INTENSIFYING. OVER FORECAST WATERS FROM 33N TO 50N W OF 165E
AREA OF S WINDS TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST LOW W OF AREA 49N159E 986 MB AND SECONDARY LOW
W OF AREA 41N156E 987 MB. N OF A LINE FROM 34N160E TO 39N166E
AND S OF 50N WINDS 30 TO 45 KT. SEAS 9 TO 18 FT.
.18 HOUR FORECAST LOW W OF AREA 51N160E 977 MB AND SECONDARY LOW
44N161E 982 MB. FROM 35N TO 46N BETWEEN 166E AND 161E WINDS 40
TO 55 KT. SEAS 14 TO 24 FT. ELSEWHERE N OF A LINE FROM 32N160E
TO 40N170E WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST MERGED LOW W OF AREA 52N160E 970 MB. FRONT TO
EXTEND FROM LOW TO 49N167E TO 40N164E TO 32N154E. WITHIN 240 NM
NE AND E OF FRONT N OF 37N WINDS 35 TO 50 KT. SEAS 14 TO 25 FT.
ELSEWHERE FROM 44N TO 55N W OF 173E AND WITHIN 420 NM E OF FRONT
S OF 44N WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.
.48 HOUR FORECAST LOW W OF AREA 54N164E 970 MB. FRONT TO EXTEND
FROM 57N175E TO 55N180W TO 50N174W TO 41N180W TO 30N154E. FROM
46N TO 52N W OF 170E AND WITHIN 240 NM E AND SE OF FRONT FROM
37N TO 50N WINDS 30 TO 45 KT. SEAS 15 TO 22 FT...EXCEPT E AND SE
OF FRONT 9 TO 17 FT.

...GALE WARNING...
.COMPLEX LOW WITH FIRST LOW 56N141W 996 MB DRIFTING E AND A
SECOND LOW 56N133W 996 MB MOVING NW 10 KT. OVER FORECAST WATERS
WITHIN 540 NM S AND SW QUADRANTS OF SECOND LOW WINDS 20 TO 30
KT. SEAS 9 TO 16 FT.
.12 HOUR FORECAST MERGED LOW 57N138W 999 MB. WITHIN 180 NM S AND
SE QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.
.24 HOUR FORECAST LOW 58N138W 1010 MB. FROM 53N TO 58N E OF 142W
WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW DISSIPATED INLAND AND ASSOCIATED
CONDITIONS DIMINISHED.

...GALE WARNING...
.FROM 30N TO 36N E OF 124W AREA OF N TO NW WINDS 20 TO 30 KT.
SEAS TO 12 FT.
.12 HOUR FORECAST FROM 30N TO 35N BETWEEN 119W AND 123W AREA OF
N TO NW WINDS 25 TO 35 KT. SEAS 9 TO 13 FT.
.24 HOUR FORECAST FROM 30N TO 37N E OF 122W N TO NW WINDS 25 TO
35 KT. SEAS 10 TO 14 FT. ELSEWHERE FROM 30N TO 40N E OF 127W
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST FROM 30N TO 43N E OF 128W AREA OF N TO NW
WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.

.SYNOPSIS AND FORECAST.

.COMPLEX LOW WITH MAIN CENTER 53N174W 993 MB MOVING NE 10 KT.
WITHIN 900 NM S AND 600 NM SW QUADRANTS WINDS TO 25 KT. SEAS TO
11 FT.
.24 HOUR FORECAST LOW 55N167W 1006 MB. FROM 44N TO 50N BETWEEN
166W AND 174W WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.LOW 47N156W 1007 MB MOVING NE 15 KT. WITHIN 240 NM S AND 180 NM
SE QUADRANTS WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 51N149W 1016 MB. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW DISSIPATED.

.LOW 34N161W 1016 MB MOVING NE 15 KT. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 38N155W 1015 MB. FRONT TO EXTEND FROM LOW
TO 30N159W. WITHIN 360 NM SE AND SE QUADRANTS AND BETWEEN THE
FRONT AND 168W S OF 36N WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW 46N144W 1011 MB. FRONT TO EXTEND FROM LOW
TO 40N149W TO 30N152W. WITHIN 480 NM E QUADRANT...FROM 40N TO
46N BETWEEN 138W AND 149W AND WITHIN 240 NM E AND 360 NM W OF
FRONT S OF 40N WINDS 20 TO 30 KT. SEAS TO 10 FT.

.24 HOUR FORECAST EXCEPT WHERE NOTED IN WARNINGS SECTION OVER
FORECAST WATERS W OF A LINE FROM 56N172E TO 45N177E TO 39N176E
TO 30N168E WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST EXCEPT WHERE NOTED WITH LOW 54N164E AND FRONT
IN WARNINGS SECTION...W OF A LINE FROM 60N179W TO 53N170W TO
48N167W TO 42N169W AND WITHIN 480 NM E OF FRONT S OF 42N WINDS
20 TO 30 KT. SEAS 8 TO 15 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 360 NM S OF
A LINE FROM 44N137W TO 38N160W AND OVER FORECAST WATERS FROM 42N
TO 49N W OF 165E.
.24 HOUR FORECAST DENSE FOG FROM 38N TO 44N BETWEEN 132W AND
146W...WITHIN 240 NM SE OF A LINE FROM 42N146W TO 36N156W AND
FROM 39N TO 53N BETWEEN 173E AND 164E.
.48 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY A LINE
FROM 48N143W TO 41N134W TO 36N149W TO 48N143W. AND WITHIN 240 NM
SE OF A LINE FROM 49N176W TO 42N180W TO 38N173E.

.HIGH 33N140W 1029 MB MOVING NE 05 KT.
.24 HOUR FORECAST HIGH 35N138W 1028 MB.
.48 HOUR FORECAST HIGH 38N134W 1029 MB.

.HIGH 34N168E 1031 MB MOVING NE 25 KT.
.24 HOUR FORECAST HIGH 35N180W 1031 MB.
.48 HOUR FORECAST HIGH 34N172W 1031 MB.

.24 HOUR FORECAST NEW HIGH 46N135W 1026 MB.
.48 HOUR FORECAST HIGH 47N130W 1030 MB.

.48 HOUR FORECAST HIGH 38N164E 1019 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 THU APR 27.
24 HOUR FORECAST VALID 0000 UTC FRI APR 28.
48 HOUR FORECAST VALID 0000 UTC SAT APR 29.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.N OF 29N BETWEEN 117W AND 122W NW TO N WINDS 20 TO 25 KT. SEAS
10 TO 11 FT. ELSEWHERE N OF 20N BETWEEN 114W AND 125W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.06 HOUR FORECAST N OF 29N BETWEEN 120W AND 123W NW WINDS 20 TO
25 KT. SEAS 8 TO 10 FT. ELSEWHERE N OF 24N BETWEEN 115W AND 124W
WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW SWELL.
.24 HOUR FORECAST N OF 28N BETWEEN 117W AND 124W NW TO N WINDS
20 TO 25 KT. SEAS 9 TO 12 FT. ELSEWHERE N OF 23N BETWEEN 115W
AND 129W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST N OF 27.5N BETWEEN 118W AND 125W NW TO N WINDS
20 TO 25 KT. SEAS 10 TO 13 FT IN NW SWELL. ELSEWHERE N OF 23N
BETWEEN 115W AND 129W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
PRIMARILY IN NW SWELL.

.FROM 06N TO 17N W OF 121W WINDS 20 KT OR LESS. SEAS TO 9 FT IN
MIXED NE AND NW SWELL.
.24 HOUR FORECAST FROM 08N TO 24N W OF 135W AND FROM 08N TO 11N
BETWEEN 128W AND WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED NE
AND NW SWELL.
.48 HOUR FORECAST FROM 08N TO 21N W OF 136W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN MIXED SWELL.

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

CONVECTION VALID AT 0230 UTC THU APR 27...

.SCATTERED MODERATE WITHIN 30 NM OF 08N130W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS EXTENDS FROM 07N80W TO 07N89W TO 05N95W TO 07N101W.
ITCZ AXIS EXTENDS FROM 07N101W TO 06N112W TO 05N122W TO 05N131W
TO 03N140W. A SOUTHERN HEMISPHERIC ITCZ AXIS EXTENDS FROM
03.4S107W TO 03.4S120W. SCATTERED MODERATE TO STRONG WITHIN 120
NM S OF AXIS BETWEEN 112W AND 115W. SCATTERED STRONG WITHIN 60
NM N OF AXIS BETWEEN 107W AND 110W AND WITHIN 60 NM OF AXIS
BETWEEN 117W AND 119W. SCATTERED MODERATE ISOLATED STRONG WITHIN
120 NM S OF AXIS BETWEEN 85W AND 90W...WITHIN 180 NM N OF AXIS
BETWEEN 126W AND 131W...WITHIN 60 NM S OF AXIS BETWEEN 90W AND
97W AND WITHIN 60 NM OF AXIS BETWEEN 138W AND 140W.

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0000 UTC APR 27 2017.
24 HOUR FORECAST VALID 0000 UTC APR 28 2017.
48 HOUR FORECAST VALID 0000 UTC APR 29 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N167W TO 19N169E TO 18N160E. FRONT MOVING E 10 KT E OF
179E AND NEARLY STATIONARY ELSEWHERE. NE TO E WINDS 20 TO 25 KT
BETWEEN FRONT AND 26N W OF 178W.
.24 HOUR FORECAST FRONT 30N159W TO 24N166W TO 19N177W TO
20N170E. NE TO E WINDS 20 TO 25 KT WITHIN 480 NM N OF FRONT.
.48 HOUR FORECAST FRONT 30N152W TO 20N160W TO 17N179E. N TO NE
WINDS 20 TO 25 KT N OF FRONT E OF 160W. NE TO E WINDS 20 TO 25
KT BETWEEN FRONT AND 25N W OF 160W...AND ELSEWHERE FROM 10N TO
20N BETWEEN 175W AND 172E.

.24 HOUR FORECAST SE TO S WINDS 20 TO 25 KT N OF A LINE FROM
30N163E TO 29N160E.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.RIDGE 30N157W TO 22N171W MOVING E SLOWLY AND ERODING FROM THE
W.

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

.SEAS 8 TO 9 FT W OF A LINE FROM 24N177E TO 21N177E TO 18N164E.
.24 HOUR FORECAST SEAS 8 TO 10 FT W OF A LINE FROM 26N170W TO
22N170W TO 17N175E.
.48 HOUR FORECAST SEAS 8 TO 10 FT FROM 10N TO 23N BETWEEN 170E
AND 179E...AND WITHIN AREA FROM 23N179E TO 23N162W TO 10N179E TO
23N179E.

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

.ISOLATED MODERATE TSTMS S OF 02N W OF 170E...AND S OF 02N
BETWEEN 176W AND 179W. ISOLATED TSTMS FROM 05N TO 08N BETWEEN
154W AND 163W...AND FROM 10N TO 12N BETWEEN 169W AND 172W.

$$

.FORECASTER BRAVENDER. HONOLULU HI.



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