High Seas Forecast
Issued by NWS

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FZPN02 KWBC 261125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC FRI MAY 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MAY 26.
24 HOUR FORECAST VALID 0600 UTC MAY 27.
48 HOUR FORECAST VALID 0600 UTC MAY 28.

.WARNINGS.

...GALE WARNING...
.LOW W OF AREA 43N155E 1006 MB MOVING NE 25 KT. WITHIN 540 NM SE
QUADRANT WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 48N172E 1000 MB. FROM 39N TO 45N W OF 164W
WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 45N169W 993 MB
AND SECOND CENTER 51N178W 994 MB. WITHIN 600 NM S SEMICIRCLE OF
FIRST CENTER WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. ELSEWHERE
WITHIN 360 NM N AND NE QUADRANT OF FIRST CENTER AND 240 NM SW
SEMICIRCLE AND 360 NM E AND NE QUADRANTS OF SECOND CENTER WINDS
20 TO 30 KT. SEAS TO 10 FT.

...GALE WARNING...
.FROM 49N TO 54N E OF 133W N TO NW WINDS 25 TO 35 KT. SEAS TO 12
FT. ELSEWHERE FROM 47N TO 55N BETWEEN 127W AND 133W WINDS 20 TO
30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST FROM 48N TO 54N E OF 132W N TO NW WINDS 20 TO
30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.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 54N165W 1013 MB MOVING E 20 KT. WITHIN 420 NM S AND SE
QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW 54N158W 1008 MB. WITHIN 240 NM E
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 55N154W 1005 MB. WITHIN 480 NM E AND NE
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 9 FT.

.FROM 40N TO 44N E OF 129W N WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 34N TO 51N W
OF 180W.
.24 HOUR FORECAST DENSE FOG FROM 34N TO 54N W OF 165W.
.48 HOUR FORECAST DENSE FOG FROM 34N TO 46N W OF 160W.

.HIGH 48N142W 1028 MB MOVING NE 10 KT.
.24 HOUR FORECAST HIGH 51N138W 1025 MB.
.48 HOUR FORECAST HIGH ABSORBED BY HIGH 59N140W.

.HIGH 40N172W 1036 MB MOVING SW 15 KT.
.24 HOUR FORECAST HIGH 35N176W 1028 MB.
.48 HOUR FORECAST HIGH 31N175E 1023 MB.

.HIGH 53N176E 1021 MB MOVING E 20 KT.
.24 HOUR FORECAST HIGH 54N174W 1016 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST NEW HIGH 55N138W 1025 MB.
.48 HOUR FORECAST HIGH 59N140W 1025 MB.

.48 HOUR FORECAST NEW HIGH 32N131W 1023 MB.

.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 0600 UTC FRI MAY 26.
24 HOUR FORECAST VALID 0600 UTC SAT MAY 27.
48 HOUR FORECAST VALID 0600 UTC SUN MAY 28.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.GULF OF CALIFORNIA TROUGH FROM 32N114W TO 25N111W. N OF 30N
SW WINDS 20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.S OF LINE FROM 03.4S108W TO 00S120W WINDS 20 KT OR LESS. SEAS 8
FT IN SE SWELL.
.24 HOUR FORECAST S OF 01S W OF 103W WINDS 20 KT OR LESS. SEAS 8
FT IN SE SWELL.
.48 HOUR FORECAST S OF 02S W OF 112W WINDS 20 KT OR LESS. SEAS 8
FT IN SE SWELL.

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

CONVECTION VALID AT 0900 UTC FRI MAY 26...

.TROPICAL WAVE N OF 05N ALONG 84W...SCATTERED MODERATE TO STRONG
WITHIN 240 NM W OF WAVE.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 16N98W TO 1009 MB LOW 08N117W TO 08N130W.
ITCZ FROM 08N130W TO BEYOND 07N140W. SCATTERED MODERATE ISOLATED
STRONG WITHIN 45 NM OF AXIS BETWEEN 114W AND 119W.

.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0600 UTC MAY 26 2017.
24 HOUR FORECAST VALID 0600 UTC MAY 27 2017.
48 HOUR FORECAST VALID 0600 UTC MAY 28 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 28N165E 20N167E MOVING W 15 KT.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 24N173E 20N175E MOVING W 10 KT. SCATTERED MODERATE TSTMS
WITHIN 200 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH 28N171E 21N171E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.FRONT 30N147W 27N149W 24N153W NEARLY STATIONARY.
.24 HOUR FORECAST WEAKENING FRONT 30N145W 27N147W 24N153W.
.48 HOUR FORECAST TROUGH 30N143W 27N147W 23N153W.

.TROUGH 24N144W 18N147W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH 24N147W 16N151W.
.48 HOUR FORECAST TROUGH 24N148W 18N153W.

.WINDS 20 TO 25 KT N OF 15N BETWEEN 160W AND 164E.
.24 HOUR FORECAST WINDS 20 TO 25 KT N OF 19N BETWEEN 165W AND
170E.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.WINDS 20 KT OR LESS OVER REST OF FORECAST AREA.

.SEAS 8 TO 9 FT N OF 15N BETWEEN 168W AND 166E.
.24 HOUR FORECAST SEAS 8 TO 9 FT N OF 20N BETWEEN 172W AND 170E.
.48 HOUR FORECAST SEAS DECREASED TO 8 FT OR LESS.

.SEAS 8 FT OR LESS OVER REST OF FORECAST AREA.

.ITCZ 07N140W 07N151W 04N179E 05N160E. ISOLATED MODERATE TSTMS
WITHIN 120 NM OF ITCZ.

$$

.FORECASTER POWELL. HONOLULU HI.



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