High Seas Forecast
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000
FZPN02 KWBC 271725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC APR 27.
24 HOUR FORECAST VALID 1200 UTC APR 28.
48 HOUR FORECAST VALID 1200 UTC APR 29.

.WARNINGS.

...STORM WARNING...
.LOW W OF AREA 49N158E 985 MB MOVING NE 10 KT. OVER FORECAST
WATERS FROM 34N TO 41N W OF 162E WINDS 35 TO 50 KT. SEAS 12 TO
18 FT. ELSEWHERE FROM 30N TO 53N W OF 168E WINDS 25 TO 40 KT.
SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW W OF AREA 54N162E 969 MB. FRONT TO EXTEND
FROM 55N170E TO 52N176E TO 43N175E TO 33N160E. WITHIN 660 NM S
AND SE QUADRANTS...AND WITHIN 420 NM E OF THE FRONT WINDS 25 TO
40 KT. SEAS 10 TO 20 FT.
.48 HOUR FORECAST LOW 52N171E 984 MB. FRONT TO EXTEND FROM
58N177E TO 53N170W TO 47N168W TO 41N172W TO 36N175E. WITHIN 660
NM S SEMICIRCLE...AND WITHIN 360 NM E OF THE FRONT WINDS 25 TO
40 KT. SEAS 12 TO 22 FT...EXCEPT E OF THE FRONT 8 TO 15
FT...HIGHEST S OF THE ALEUTIAN ISLANDS.

...GALE WARNING...
.LOW 57N139W 1000 MB DRIFTING NE. WITHIN 240 NM S AND E
SEMICIRCLES WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...GALE WARNING...
.FROM 30N TO 40N E OF 126W N TO NW WINDS 20 TO 30 KT. SEAS TO 12
FT.
.12 HOUR FORECAST FROM 30N TO 40N E OF 126W N TO NW WINDS 25 TO
35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST FROM 30N TO 40N E OF 126W N TO NW WINDS 25 TO
35 KT. SEAS 8 TO 16 FT. WINDS AND SEAS HIGHEST NEAR 33N121W.
.48 HOUR FORECAST FROM 30N TO 41N BETWEEN 120W AND 127W N TO NW
WINDS 20 TO 30 KT. SEAS TO 11 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW 42N150W 1011 MB. WITHIN 540 NM E AND NE
QUADRANTS WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW 51N137W 1001 MB. WITHIN 300 NM OF LOW
EXCEPT 480 NM SE AND E QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 14
FT.

.SYNOPSIS AND FORECAST.

.LOW 54N170W 999 MB MOVING NE 10 KT. WITHIN 720 NM S QUADRANT
WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 56N166W 1009 MB. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW DISSIPATED.

.48 HOUR FORECAST FROM 30N TO 35N BETWEEN 148W AND 160W WINDS 20
TO 30 KT. SEAS TO 10 FT.

.48 HOUR FORECAST N OF 58N BETWEEN 140W AND 151W WINDS TO 25 KT.
SEAS TO 8 FT.

.48 HOUR FORECAST FROM 30N TO 36N BETWEEN 166E AND 160E WINDS 20
TO 30 KT. SEAS TO 9 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 38N TO 44N
BETWEEN 133W AND 150W...AND FROM 40N TO 50N BETWEEN 170E AND
160E.
.24 HOUR FORECAST DENSE FOG WITHIN 360 NM OF 42N144W...AND FROM
40N TO 48N BETWEEN 180W AND 174E.
.48 HOUR FORECAST DENSE FOG FROM 40N TO 50N BETWEEN 132W AND
143W.

.HIGH 46N141W 1021 MB MOVING NE 15 KT.
.24 HOUR FORECAST HIGH 48N134W 1029 MB.
.48 HOUR FORECAST HIGH INLAND.

.HIGH 33N139W 1026 MB MOVING NE 10 KT.
.24 HOUR FORECAST HIGH 36N137W 1027 MB.
.48 HOUR FORECAST HIGH 37N134W 1029 MB.

.HIGH 41N160W 1019 MB MOVING NE 30 KT.
.24 HOUR FORECAST HIGH 49N148W 1021 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 35N174E 1030 MB MOVING E 20 KT.
.24 HOUR FORECAST HIGH 35N175W 1031 MB.
.48 HOUR FORECAST HIGH 33N169W 1027 MB.

.48 HOUR FORECAST NEW HIGH 39N158W 1027 MB.

.48 HOUR FORECAST HIGH 40N164E 1020 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 1200 UTC THU APR 27.
24 HOUR FORECAST VALID 1200 UTC FRI APR 28.
48 HOUR FORECAST VALID 1200 UTC SAT APR 29.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.N OF 28.5N BETWEEN 118W AND 123W NW TO N WINDS 20 TO 25 KT.
SEAS 9 TO 11 FT. ELSEWHERE N OF 23N BETWEEN 114W AND 125W WINDS
20 KT OR LESS. SEAS TO 9 FT IN NW SWELL.
.24 HOUR FORECAST N OF 27.5N BETWEEN 117W AND 124W NW TO N WINDS
20 TO 25 KT. SEAS 9 TO 13 FT. ELSEWHERE N OF 24N BETWEEN 115W
AND 127W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST N OF 29N BETWEEN 120W AND 125W NW TO N WINDS
20 TO 25 KT. SEAS 10 TO 11 FT. ELSEWHERE N OF 21N BETWEEN 114W
AND 127W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.

.FROM 07N TO 11N BETWEEN 124W AND 135W...AND FROM 06N TO 18N W
OF 135W...WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND NW
SWELL.
.24 HOUR FORECAST FROM 08N TO 17N W OF 130W WINDS 20 KT OR LESS.
SEAS TO 9 FT IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST FROM 19N TO 24.5N W OF 132W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN MIXED SWELL.

.S OF 02S W OF 115W WINDS 20 KT OR LESS. SEAS TO 8 FT IN SW
SWELL.
.24 HOUR FORECAST S OF LINE FROM 00N128W TO 06S123W TO 03.4S98W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN SW SWELL.
.48 HOUR FORECAST S OF LINE FROM 00N122W TO 10N123W TO 11N110W
TO 03.4S90W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN SW SWELL.

.GULF OF CALIFORNIA 48 HOUR FORECAST N OF 29.5N W OF 113.5W N
WINDS N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 1430 UTC THU APR 27...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 08N85W TO 07N90W TO 06.5N108W. ITCZ FROM 06.5N108W
TO 04N122 TO 05.5N133W TO BEYOND 04.5N140W. SCATTERED MODERATE
ISOLATED STRONG CONVECTION WITHIN 150 NM S OF TROUGH BETWEEN 83W
AND 108W. SCATTERED TO LOCALLY NUMEROUS MODERATE TO STRONG
CONVECTION WITHIN 150 NM N AND 90 NM S OF ITCZ BETWEEN 108W AND
140W.

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 1200 UTC APR 27 2017.
24 HOUR FORECAST VALID 1200 UTC APR 28 2017.
48 HOUR FORECAST VALID 1200 UTC APR 29 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N163W TO 25N168W TO 22N174W TO 19N172E TO 20N162E
MOVING E 15 KT E OF 174W AND NEARLY STATIONARY ELSEWHERE. N TO
NE WINDS 20 TO 25 KT IN AREA BOUNDED BY 30N170W 25N170W 18N180W
26N180W 30N170W...AND NE TO E WINDS BETWEEN 09N AND A LINE FROM
27N180E TO 27N172E TO 22N160E.
.24 HOUR FORECAST FRONT FROM 30N155W TO 25N158W TO 20N170W. S
WINDS 20 TO 25 KT N OF 28N BETWEEN FRONT AND 152W. N TO NE WINDS
20 TO 25 KT IN AREA BOUNDED BY 30N158W 26N160W 20N170W 28N170W
30N161W 30N158W. NE TO E WINDS 20 TO 25 KT FROM 08N TO 26N
BETWEEN 170W AND 178E...AND FROM 08N TO 22N BETWEEN 162E AND
178E.
.48 HOUR FORECAST FRONT FROM 30N152W TO 23N155W TO 18N164W. S TO
SE WINDS 20 TO 25 KT N OF A LINE FROM 28N152W TO 23N143W. N
WINDS 20 TO 25 KT N OF 28N BETWEEN 157W AND 160W. NE TO E WINDS
20 TO 25 KT FROM 17N TO 23N BETWEEN 160W AND 170W...FROM 08N TO
22N BETWEEN 170W AND 167E...AND FROM 06N TO 17N W OF 167E.

.S TO SE WINDS 20 TO 25 KT N OF LINE FROM 30N164E TO 28N160E.
.24 HOUR FORECAST S WINDS 20 TO 25 KT N OF LINE FROM 30N168E TO
28N160E.
.48 HOUR FORECAST S WINDS 20 TO 25 KT N OF LINE FROM 30N165E TO
28N160E.

.RIDGE FROM 30N152W TO 26N161W MOVING E 10 KT AND ERODING FROM
THE W.

.RIDGE FROM 30N166E TO 27N160E MOVING SE SLOWLY.

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

.SEAS 8 TO 9 FT W OF A LINE FROM 26N173W TO 23N176W TO 19N174E.
SEAS 8 TO 9 FT FROM 06N TO 10N BETWEEN 156W AND 161W.
.24 HOUR FORECAST SEAS 8 TO 11 FT IN AREA BOUNDED BY 28N163W
24N164W 11N175E 21N162E 28N167W 28N163W.
.48 HOUR FORECAST SEAS 8 TO 10 FT IN AREA BOUNDED BY 25N161W
20N160W 08N177W 07N172E 14N166E 21N167E 25N161W. SEAS 8 TO 9 FT
N OF 28N BETWEEN 156W AND 160W.

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

.ISOLATED MODERATE TSTMS S OF 05N W OF 170E...S OF 03N BETWEEN
177W AND 178E...FROM 03N TO 12N BETWEEN 152W AND 173W.

.ITCZ FROM 04N140W TO 02N145W. ISOLATED MODERATE TSTMS WITHIN
120 NM OF ITCZ.

$$

.HONOLULU HI.


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