High Seas Forecast
Issued by NWS

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000
FZPN02 KWBC 271725
HSFEPI

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

...GALE WARNING...
.LOW 49N176E 998 MB MOVING SE 35 KT WITH SECOND LOW 46N165W 1003
MB MOVING SE 20 KT. OVER FORECAST WATERS WITHIN AN AREA BOUNDED
BY 36N160E TO 41N160W TO 45N158W TO 44N174W TO 48N173E TO
41N160E TO 36N160E WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 44N163W 991 MB WITH SECOND LOW DISSIPATED.
WITHIN 660 NM SE AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO
15 FT. ELSEWHERE WITHIN 900 NM SW...480 NM NW...360 NM NE...AND
780 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW 47N161W 990 MB. FROM 32N TO 54N BETWEEN
142W AND 170W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT...HIGHEST
BETWEEN 34N AND 44N BETWEEN 148W AND 163W.

.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.

.OVER FORECAST WATERS FROM 42N TO 52N BETWEEN 125W AND 132W
WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW 38N145W 1015 MB MOVING NE 10 KT. WITHIN 180 NM OF LOW
EXCEPT 240 NM SE QUADRANT WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 42N144W 1011 MB. WITHIN 300 NM E AND 240
NM S QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DESCRIBED WITH
LOW 47N161W IN WARNINGS SECTION ABOVE.

.LOW 53N158W 1007 MB MOVING NE 05 KT. OVER FORECAST WATERS
WITHIN 180 NM W SEMICIRCLE...AND WITHIN 240 NM NE AND 360 NM SE
QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 55N155W 1004 MB. BETWEEN 180 NM AND 480 NM
NE AND E QUADRANTS WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

.LOW JUST NW OF FORECAST AREA 55N168E 995 MB MOVING SE 10 KT.
EXCEPT AS DESCRIBED IN WARNINGS SECTION ABOVE...OVER FORECAST
WATERS WITHIN 240 NM SW QUADRANT...AND WITHIN AN AREA BOUNDED BY
54N169E TO 49N177E TO 47N165W TO 49N167W TO 57N175E TO 54N169E
WINDS 20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 54N176E 993 MB. EXCEPT AS DESCRIBED IN
WARNINGS SECTION ABOVE...WITHIN 300 NM NE...480 NM SE...240 NM
SW...AND 180 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 51N179W 994 MB. WITHIN 180 NM NE QUADRANT
WINDS 20 TO 30 KT. SEAS TO 10 FT. ELSEWHERE FROM 49N TO 58N
BETWEEN 171W AND 169E WINDS TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST OVER FORECAST WATERS FROM 32N TO 36N BETWEEN
120W AND 124W WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 30N TO 40N BETWEEN 119W AND 126W AREA OF
NW WINDS 20 TO 30 KT. SEAS TO 9 FT.

.24 HOUR FORECAST...EXCEPT AS DESCRIBED IN WARNINGS SECTION
ABOVE...WITHIN 120 NM EITHER SIDE OF A LINE FROM 36N160E TO
38N172E TO 38N180W WINDS TO 25 KT. SEAS TO 10 FT...HIGHEST
BETWEEN 172E AND 180W.
.48 HOUR FORECAST NEW LOW 40N176E 1002 MB. EXCEPT AS DESCRIBED
IN WARNINGS SECTION ABOVE...WITHIN 780 NM SE AND 660 NM SW
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT...HIGHEST WITHIN 300
NM S OF LOW.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS WITHIN AN AREA BOUNDED BY 33N160E TO 43N163W TO 46N163W
TO 52N171E TO 46N160E TO 33N160E.
.24 HOUR FORECAST DENSE FOG FROM 38N TO 48N BETWEEN 156W AND
175W...AND WITHIN AN AREA BOUNDED BY 35N160E TO 39N178W TO
44N160E TO 35N160E.
.48 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY 40N160E TO
37N172W TO 46N160E TO 40N160E...FROM 45N TO 51N BETWEEN 146W AND
167W...FROM 38N TO 45N BETWEEN 142W AND 151W...AND WITHIN 300 NM
NE OF A LINE FROM 49N143W TO 44N136W.

.HIGH 59N138W 1025 MB NEARLY STATIONARY.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 57N139W 1025 MB MOVING N 10 KT.
.24 HOUR FORECAST HIGH INLAND.

.HIGH 54N137W 1025 MB MOVING N 15 KT.
.24 HOUR FORECAST HIGH INLAND.

.HIGH 32N132W 1022 MB NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST HIGH JUST S OF AREA 29N134W 1023 MB.

.HIGH 34N176W 1027 MB MOVING SW 10 KT.
.24 HOUR FORECAST HIGH 30N178W 1022 MB.
.48 HOUR FORECAST HIGH S OF AREA.

.HIGH 35N162W 1025 MB MOVING SE 25 KT.
.24 HOUR FORECAST HIGH 30N151W 1020 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 54N171W 1016 MB MOVING E 10 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST HIGH 44N164E 1018 MB.
.48 HOUR FORECAST HIGH 41N175W 1008 MB.

.24 HOUR FORECAST NEW HIGH 30N175E 1022 MB.
.48 HOUR FORECAST HIGH S OF AREA.

.FORECASTER FIGURSKEY. 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 SAT MAY 27.
24 HOUR FORECAST VALID 1200 UTC SUN MAY 28.
48 HOUR FORECAST VALID 1200 UTC MON MAY 29.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.S OF 02S W OF 105W WINDS 20 KT OR LESS. SEAS 8 FT IN SE SWELL.
.24 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 1430 UTC SAT MAY 27...

TROPICAL WAVE FROM 16N95W TO 06N94W. SCATTERED TO NUMEROUS
MODERATE AND ISOLATED STRONG FROM 02N TO 15N BETWEEN 92W AND
99W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N78W TO 08N83W TO 09N88W...THEN RESUMES W
OF TROPICAL WAVES NEAR 11N98W TO 13N110W TO 08N126W. ITCZ FROM
08N126W TO BEYOND 06N140W. SCATTERED MODERATE FROM 02N TO 07N
BETWEEN 78W AND 82W...AND WITHIN 180 NM OF MONSOON TROUGH AXIS
BETWEEN 101W AND 120W.


.FORECASTER LATTO. NATIONAL HURRICANE CENTER.

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

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

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N143W 27N147W MOVING NE SLOWLY.
.24 HOUR FORECAST FRONT 30N142W 28N143W.
.48 HOUR FORECAST FRONT MOVED N OF AREA.

.TROUGH 25N146W 15N153W MOVING SW 10 KT.
.24 HOUR FORECAST TROUGH 22N151W 16N155W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 23N160W 18N164W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH 29N162W 23N161W 18N168W.
.48 HOUR FORECAST TROUGH 29N158W 19N170W.

.ITCZ 06N140W 05N145W 07N152W 04N165W 06N173W 05N179W. ISOLATED
MODERATE TSTMS WITHIN 90 NM OF ITCZ.

.24 HOUR FORECAST NEW HIGH 30N176E 1022 MB.
.48 HOUR FORECAST HIGH 29N174W 1019 MB.

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

.SEAS 8 TO 9 FT BOUNDED BY 27N170E 26N175W 20N165W 20N174E
27N170E.
.24 HOUR FORECAST SEAS 8 FT FROM 22N TO 20N BETWEEN 178W AND
178E.
.48 HOUR FORECAST SEAS DIMINISHED TO LESS THAN 8 FT.

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

.ISOLATED TSTMS FRON 26N TO 21N BETWEEN 176E AND 170E.

$$
.HONOLULU FORECASTER.


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