High Seas Forecast
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000
FZPN02 KWBC 182325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC FRI AUG 18 2017

CCODE/2:31:12:11:00/AOW+POR+AOE/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT
TO 50N 160E

SYNOPSIS VALID 1800 UTC AUG 18.
24 HOUR FORECAST VALID 1800 UTC AUG 19.
48 HOUR FORECAST VALID 1800 UTC AUG 20.

.WARNINGS.

...GALE WARNING...
.FROM 33N TO 46N BETWEEN 124W AND 134W WINDS 20 TO 30 KT. SEAS 8
TO 13 FT.
.24 HOUR FORECAST FROM 35N TO 45N BETWEEN 123W AND 128W WINDS 25
TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM 32N TO 47N BETWEEN
123W AND 133W WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST FROM 35N TO 43N BETWEEN 124W AND 129W WINDS 25
TO 40 KT. SEAS 8 TO 17 FT. ELSEWHERE FROM 31N TO 46N BETWEEN
123W AND 133W WINDS TO 25 KT. SEAS TO 12 FT.

...GALE WARNING...
.24 HOUR FORECAST FROM 33N TO 45N W OF 170E WINDS 20 TO 30 KT.
SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW 43N162E 1000 MB. BETWEEN 300 NM AND 600 NM
SE QUADRANT...AND WITHIN 360 NM NE QUADRANT WINDS 25 TO 35 KT.
SEAS 8 TO 14 FT. ELSEWHERE WITHIN 540 NM NE AND 1080 NM SE
QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT.

.SYNOPSIS AND FORECAST.

.BOGOSLOF VOLCANO AT 53.92N 168.03W IS CURRENTLY IN A HEIGHTENED
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.

.POST-TROPICAL CYCLONE BANYAN 49N175W 1000 MB MOVING NE 10 KT.
WITHIN 240 NM NW...420 NM NE...780 NM SE AND 600 NM SW QUADRANTS
WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST POST-TROPICAL CYCLONE BANYAN 50N170W 1000 MB.
WITHIN 240 NM NW...360 NM NE...720 NM SE AND 600 NM SW QUADRANTS
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST POST-TROPICAL CYCLONE BANYAN AND CONDITIONS
ABSORBED BY LOW 53N150W DESCRIBED BELOW.

.LOW 44N153W 1016 MB MOVING NE 25 KT. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 51N145W 1014 MB. WITHIN 480 NM SE QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.LOW 39N157W 1021 MB MOVING NE 10 KT. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.LOW 57N176W 1007 MB MOVING SE 15 KT. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY
POST-TROPICAL CYCLONE BANYAN DESCRIBED ABOVE.

.INLAND LOW 59N155W 1003 MB MOVING E 10 KT. WITHIN 900 NM SE AND
480 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 60N147W 1004 MB. WITHIN 420 NM S
SEMICIRCLE WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED.

.LOW 39N180W 1008 MB MOVING NE 35 KT. WITHIN 360 NM SE AND 480
NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY POST-TROPICAL
CYCLONE BANYAN DESCRIBED ABOVE.

.24 HOUR FORECAST NEW LOW 51N157W 1004 MB. WITHIN 120 NM N
SEMICIRCLE...AND 420 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO
11 FT.
.48 HOUR FORECAST LOW 53N150W 1002 MB. WITHIN 540 NM NE...660 NM
SE AND 960 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 46N
BETWEEN 146W AND 153W AND FROM 38N TO 51N BETWEEN 164W AND 174W
AND FROM 54N TO 56N W OF 174E.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 51N BETWEEN 134W AND
150W AND FROM 38N TO 50N BETWEEN 153W AND 170W AND FROM 50N TO
56N BETWEEN 167W AND 172W.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 53N BETWEEN 132W AND
152W.

.HIGH 42N139W 1030 MB NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST HIGH 39N139W 1029 MB.

.HIGH 46N157W 1022 MB DRIFTING NE.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 34N165W 1024 MB NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST HIGH 33N172W 1023 MB.

.HIGH 62N170W 1012 MB DRIFTING S.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 44N168E 1020 MB MOVING SE 10 KT.
.24 HOUR FORECAST HIGH 43N174E 1022 MB.
.48 HOUR FORECAST HIGH 41N175W 1025 MB.

.48 HOUR FORECAST HIGH 57N175W 1022 MB.

.48 HOUR FORECAST NEW HIGH 49N175E 1023 MB.

.FORECASTER HOLLEY. 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 1800 UTC FRI AUG 18.
24 HOUR FORECAST VALID 1800 UTC SAT AUG 19.
48 HOUR FORECAST VALID 1800 UTC SUN AUG 20.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL DEPRESSION THIRTEEN-E NEAR 14.8N 117.9W 1006 MB AT
2100 UTC AUG 18 MOVING W OR 280 DEG AT 13 KT. WITHIN 180 NM N
AND 60 NM S SEMICIRCLES OF LOW WINDS 20 TO 30 KT. SEAS 8 TO 11
FT.
.12 HOUR FORECAST TROPICAL STORM THIRTEEN-E NEAR 15.1N 119.9W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM N SEMICIRCLE AND 20 NM SE QUADRANT. SEAS 12
FT OR GREATER WITHIN AREA OF TROPICAL STORM FORCE WINDS WITH
SEAS TO 13 FT.
.24 HOUR FORECAST TROPICAL STORM THIRTEEN-E NEAR 15.6N 122.7W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM N SEMICIRCLE AND 30 NM S SEMICIRCLE. SEAS 12
FT OR GREATER WITHIN 60 NM N AND 30 NM S SEMICIRCLES OF LOW WITH
SEAS TO 15 FT. ELSEWHERE WITHIN 210 NM NW AND 120 NM SE
SEMICIRCLES WINDS 20 TO 33 KT. SEAS TO 11 FT.
.48 HOUR FORECAST HURRICANE THIRTEEN-E NEAR 17.2N 128.0W.
MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM N SEMICIRCLE AND 40 NM S SEMICIRCLE. SEAS 12
FT OR GREATER WITHIN 120 NM N AND 60 NM S SEMICIRCLES WITH SEAS
TO 21 FT. ELSEWHERE WITHIN 210 NM NW AND 120 NM SE SEMICIRCLES
OF LOW WINDS 20 TO 33 KT. SEAS TO 11 FT.
.72 HOUR FORECAST HURRICANE THIRTEEN-E NEAR 18.9N 131.6W.
MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE THIRTEEN-E NEAR 21.0N 133.3W.
MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT.
.120 HOUR FORECAST TROPICAL STORM THIRTEEN-E NEAR 23.9N 133.9W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.12 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO
14.5N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25
KT. SEAS TO 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO
15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25
KT. SEAS TO 8 FT.
.48 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 2100 UTC FRI AUG 18...

.TROPICAL DEPRESSION 13-E...SCATTERED STRONG WITHIN 210 NM W
AND 180 NM E SEMICIRCLES OF THE CENTER.

.TROPICAL WAVE AXIS NEAR 98W N OF 07N...SCATTERED MODERATE
ISOLATED STRONG FROM 06N TO 09N BETWEEN 91W AND 100W.

.TROPICAL WAVE AXIS NEAR 111W FROM 10N TO 22N...SCATTERED
MODERATE FROM 20N TO 22N BETWEEN 109W AND 111W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N76W TO 08N98W TO 10N110W WHERE IT LOSES
IDENTITY. IT RESUMES SW OF TD THIRTEEN-E TO 12N124W TO 13N130W
TO 12N136W TO 13N140W. SCATTERED MODERATE ISOLATED STRONG N OF
04N AND E OF 82W. SCATTERED MODERATE FROM 08N TO 10N BETWEEN
110W AND 113W. SCATTERED MODERATE WITHIN 180 NM S OF THE MONSOON
TROUGH W OF 135W.

.FORECASTER AL. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 1800 UTC AUG 18 2017.
24 HOUR FORECAST VALID 1800 UTC AUG 19 2017.
48 HOUR FORECAST VALID 1800 UTC AUG 20 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 13N149W 1007 MB MOVING NEARLY STATIONARY. WINDS 20 TO 25 KT
WITHIN 120 NM N OF LOW. ISOLATED MODERATE TSTMS WITHIN 120 NM OF
LOW.
.24 HOUR FORECAST LOW 13N150W 1009 MB. WINDS 20 TO 25 KT WITHIN
120 NM N OF LOW.
.48 HOUR FORECAST LOW 14N152W 1010 MB. WINDS DIMINISHED TO 20 KT
OR LESS.

.TROUGH FROM 18N171W TO 10N173W MOVING W 10 KT. WINDS 20 TO 25
KT WITHIN 120 NM OF TROUGH N OF 14N. ISOLATED MODERATE TSTMS
WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 16N178W TO 09N179W. WINDS
DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST TROUGH FROM 16N176E TO 11N175E.

.TROUGH FROM 22N141W TO 17N141W MOVING E SLOWLY AND DISSIPATING.
.24 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 30N172E TO 28N160E NEARLY STATIONARY.

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

.SEAS 8 FT OR LESS OVER ENTIRE FORECAST AREA.

.MONSOON TROUGH FROM 10N150W TO 08N160W. ISOLATED MODERATE TSTMS
WITHIN 120 NM OF TROUGH.

.ITCZ FROM 10N180W TO 07N160E. ISOLATED MODERATE TSTMS FROM 05N
TO 11N BETWEEN 172E AND 180E AND FROM 04N TO 09N W OF 165W.

.ISOLATED MODERATE TSTMS FROM 09N TO 12N E OF 146W AND FROM 15N
TO 22N W OF 166W.

$$

.FORECASTER BURKE. HONOLULU HI.


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