High Seas Forecast
Issued by NWS

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000
FZPN02 KWBC 280525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC SUN MAY 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAY 28.
24 HOUR FORECAST VALID 0000 UTC MAY 29.
48 HOUR FORECAST VALID 0000 UTC MAY 30.

.WARNINGS.

...GALE WARNING...
.LOW 47N180W 995 MB MOVING SE 35 KT WILL TURN E AFTER 12 HOURS.
FRONT FROM LOW CENTER TO 45N171W TO 43N165W TO 44N159W. WITHIN
540 NM S OF THE FRONT WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.
ELSEWHERE WITHIN 240 NM N OF THE FRONT AND 660 NM S AND 180 NM
SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 45N159W 989 MB. WITHIN 780 NM SE QUADRANT
WINDS 25 TO 35 KT. SEAS 9 TO 17 FT. ELSEWHERE WITHIN 360 NM N
AND NE AND 780 NM S AND 420 NM SW QUADRANTS WINDS 20 TO 30 KT.
SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW 46N153W 990 MB. WITHIN 420 NM N...660 NM
E...720 NM S...AND 360 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 8
TO 15 FT.

...GALE WARNING...
.LOW 55N171E 991 MB MOVING SE 10 KT. WITHIN 240 NM SW SEMICIRCLE
AND 300 NM E AND NE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT.
.12 HOUR FORECAST LOW 54N175E 991 MB. WITHIN 240 NM W AND SW
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 54N177E 991 MB. WITHIN 300 NM SW
SEMICIRCLE AND 300 NM E AND NE QUADRANTS WINDS 20 TO 30 KT. SEAS
TO 12 FT.
.48 HOUR FORECAST LOW 53N176E 993 MB. WITHIN 300 NM N SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 12 FT.

.SYNOPSIS AND FORECAST.

.BOGOSLOF VOLCANO AT 54N168W IS IN A STATE OF UNREST. MARINERS
TRAVELING IN THE VICINITY OF BOGOSLOF 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 40N145W 1012 MB MOVING N 15 KT. WITHIN 180 NM SW QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 46N145W 1007 MB. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.
.36 HOUR FORECAST LOW DISSIPATED.

.LOW 52N156W 1005 MB MOVING N 10 KT. WITHIN 600 NM E AND NE
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 58N156W 1004 MB. WITHIN 360 NM NE QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED.

.24 HOUR FORECAST FROM 33N TO 39N W OF 124W AREA OF NW WINDS TO
25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 31N TO 40N BETWEEN 119W AND 124W AREA OF
NW WINDS TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST NEW LOW 38N163E 1006 MB. WITHIN 300 NM S AND
SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW 40N177W 998 MB. WITHIN 420 NM S QUADRANT
WINDS 20 TO 30 KT. SEAS TO 12 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS FROM 36N TO 46N W OF 162W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 50N BETWEEN 132W AND
141W...FROM 39N TO 48N BETWEEN 150W AND 164W...AND FROM 36N TO
44N W OF 172E.
.48 HOUR FORECAST DENSE FOG FROM 37N TO 53N BETWEEN 132W AND
154W AND FROM 35N TO 40N BETWEEN 166W AND 178E.

.HIGH 32N132W 1022 MB NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.HIGH 59N140W 1026 MB MOVING N 05 KT.
.24 HOUR FORECAST HIGH 60N141W 1018 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 55N168W 1014 MB MOVING E 10 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 32N156W 1021 MB MOVING SE 25 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 32N176E 1025 MB MOVING S 10 KT.
.24 HOUR FORECAST HIGH S OF AREA.

.24 HOUR FORECAST HIGH 43N174E 1012 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.FORECASTER ACHORN. 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 SUN MAY 28.
24 HOUR FORECAST VALID 0000 UTC MON MAY 29.
48 HOUR FORECAST VALID 0000 UTC TUE MAY 30.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.S OF 02S BETWEEN 105W AND 120W WINDS 20 KT OR LESS. SEAS 8 FT
IN SE SWELL.
.24 HOUR FORECAST S OF 01S BETWEEN 111W AND 120W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN SE SWELL.
.30 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 0215 UTC SUN MAY 28...

.TROPICAL WAVE AXIS FROM 15N93W TO 06N92W. SCATTERED MODERATE
ISOLATED STRONG SE OF THE WAVE FROM 04N TO 07N BETWEEN 90W AND
92W.

.TROPICAL WAVE AXIS FROM 06N98W TO 15N99W...SCATTERED MODERATE
ISOLATED STRONG FROM 06N TO 10N BETWEEN 96W AND 100W AND WITHIN
30 NM OF LINE FROM 09N99W TO 10N101.5W.

.SCATTERED STRONG WITHIN 45 NM OF 09N86W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 09N78W TO 09N91W...THEN RESUMES
W OF TROPICAL WAVE AXIS NEAR 09N101W TO 09N110W. ITCZ AXIS
EXTENDS FROM 09N110W TO 09N120W TO 08N130W TO BEYOND 07N140W.
SCATTERED MODERATE ISOLATED STRONG FROM 10N TO 13N BETWEEN 109W
AND 113W.

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0000 UTC MAY 28 2017.
24 HOUR FORECAST VALID 0000 UTC MAY 29 2017.
48 HOUR FORECAST VALID 0000 UTC MAY 30 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT NEAR 30N142W MOVING ENE 10 KT THENCE A STATIONARY
FRONT TO 27N148W TO 25N155W.
.24 HOUR FORECAST FRONT FROM 29N140W TO 28N154W.
.48 HOUR FORECAST FRONT DISSIPATED.

.TROUGH 16N155W TO 19N153W TO 21N150W MOVING WNW SLOWLY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 18N167W TO 21N162W TO 25N161W MOVING NW SLOWLY.
.24 HOUR FORECAST TROUGH FROM 21N168W TO 23N164W TO 28N161W.
.48 HOUR FORECAST TROUGH FROM 23N164W TO 28N161W TO 30N156W.

.TROUGH DEVELOPING OVER FORECAST AREA.
.48 HOUR FORECAST TROUGH FROM 19N169E TO 23N171E TO 26N174E.

.HIGH JUST N OF FORECAST AREA NEAR 32N176E 1025 MB NEARLY
STATIONARY.
.24 HOUR FORECAST HIGH NEAR 29N178E 1020 MB.
.48 HOUR FORECAST HIGH NEAR 27N174W 1020 MB.

.WINDS NE 20 TO 25 KT FROM 25N TO 20N BETWEEN 174W AND 178W.
.12 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 9 FT FROM 25N TO 19N BETWEEN 172E AND 176W.
.24 HOUR FORECAST SEAS SUBSIDED TO 8 FT OR LOWER.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ FROM 06N140W TO 06N150W TO 09N158W TO 05N170W TO 05N178E.
SCATTERED MODERATE TO STRONG TSTMS WITHIN 240 NM OF ITCZ E OF
158W. ISOLATED MODERATE TO STRONG TSTMS ELSEWHERE WITHIN 120 NM
OF ITCZ.

.OTHERWISE SCATTERED MODERATE TSTMS FROM 26N TO 19N BETWEEN 168E
AND 175E. ISOLATED MODERATE TSTMS S OF 12S W OF 171E.


$$

.FORECASTER BEDAL. HONOLULU HI.



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