High Seas Forecast
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000
FZPN02 KWBC 181725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 18.
24 HOUR FORECAST VALID 1200 UTC AUG 19.
48 HOUR FORECAST VALID 1200 UTC AUG 20.

.WARNINGS.

...GALE WARNING...
.POST-TROPICAL CYCLONE BANYAN 48N176W 1001 MB MOVING NE 10 KT.
WITHIN 180 NM N SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.
ELSEWHERE WITHIN 240 NM N SEMICIRCLE...600 NM SE AND 180 NM SW
QUADRANTS...AND WITHIN 240 NM SE OF A FRONT FROM 42N176W TO
35N169E WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST POST-TROPICAL CYCLONE BANYAN 50N172W 1001 MB.
WITHIN 180 NM OF LOW CENTER EXCEPT 540 NM SW QUADRANT WINDS TO
25 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST POST-TROPICAL CYCLONE BANYAN AND CONDITIONS
ABSORBED BY LOW 51N155W DESCRIBED BELOW.

...GALE WARNING...
.FROM 36N TO 46N BETWEEN 124W AND 132W WINDS 20 TO 30 KT. SEAS
TO 12 FT.
.24 HOUR FORECAST FROM 36N TO 44N BETWEEN 124W AND 129W WINDS 25
TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM 32N TO 51N BETWEEN
124W AND 133W WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST FROM 35N TO 44N BETWEEN 123W AND 129W WINDS 25
TO 40 KT. SEAS 9 TO 17 FT. ELSEWHERE FROM 31N TO 47N BETWEEN
123W AND 132W WINDS TO 25 KT. SEAS TO 11 FT.

...GALE WARNING...
.24 HOUR FORECAST FROM 33N TO 43N W OF 167E WINDS TO 25 KT. SEAS
TO 8 FT.
.48 HOUR FORECAST LOW 41N161W 1002 MB. BETWEEN 180 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 9 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.

.LOW 60N146W 1004 MB DRIFTING E. WITHIN 840 NM S SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.LOW 43N153W 1016 MB MOVING NE 20 KT. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 49N150W 1014 MB. WITHIN 480 NM SE QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED. FROM 44N TO 54N BETWEEN 128W
AND 141W WINDS TO 25 KT. SEAS TO 8 FT.

.LOW 39N159W 1016 MB MOVING NE 10 KT. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.LOW 44N177E 1006 MB MOVING NE 25 KT. WITHIN 300 NM NW...180 NM
SE AND 360 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 45N169W 1006 MB. WITHIN 420 NM S
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 51N155W
DESCRIBED BELOW.

.LOW 59N177W 1006 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 IN WARNINGS SECTION ABOVE.

.INLAND LOW 60N157W 1003 MB MOVING E 15 KT. WITHIN 540 NM SW
QUADRANT WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 59N147W 1003 MB. WITHIN 480 NM S
SEMICIRCLE AND 120 NM NE QUADRANT WINDS 20 TO 30 KT. SEAS TO 9
FT.
.48 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED.

.24 HOUR FORECAST NEW LOW 50N160W 1003 MB. WITHIN 180 NM
NE...360 NM SE AND 240 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS
TO 11 FT.
.48 HOUR FORECAST LOW 51N155W 1002 MB. WITHIN 360 NM NE...660 NM
SE AND 840 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 45N
BETWEEN 146W AND 153W AND FROM 37N TO 49N BETWEEN 165W AND 176W.
.24 HOUR FORECAST DENSE FOG FROM 43N TO 49N BETWEEN 136W AND
151W AND FROM 38N TO 49N BETWEEN 157W AND 171W AND FROM 50N TO
55N BETWEEN 167W AND 173W AND FROM 52N TO 56N W OF 179W.
.48 HOUR FORECAST DENSE FOG FROM 45N TO 50N BETWEEN 131W AND
143W AND FROM 42N TO 52N BETWEEN 143W AND 156W AND FROM 53N TO
57N W OF 176E AND FROM 38N TO 42N W OF 164E.

.HIGH 42N139W 1028 MB DRIFTING NE.
.24 HOUR FORECAST HIGH 42N136W 1030 MB.
.48 HOUR FORECAST HIGH 39N138W 1028 MB.

.HIGH 46N158W 1022 MB DRIFTING NE.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 33N169W 1023 MB MOVING NE 10 KT.
.24 HOUR FORECAST HIGH 34N164W 1021 MB.
.48 HOUR FORECAST HIGH 34N171W 1022 MB.

.HIGH 62N172W 1012 MB DRIFTING SE.
.24 HOUR FORECAST HIGH 60N169W 1012 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 48N167E 1020 MB MOVING SE 10 KT.
.24 HOUR FORECAST HIGH 44N171E 1022 MB.
.48 HOUR FORECAST HIGH 43N180W 1024 MB.

.48 HOUR FORECAST HIGH 60N176W 1020 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 1200 UTC FRI AUG 18.
24 HOUR FORECAST VALID 1200 UTC SAT AUG 19.
48 HOUR FORECAST VALID 1200 UTC SUN AUG 20.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL DEPRESSION THIRTEEN-E NEAR 14.8N 116.5W 1006 MB AT
1500 UTC AUG 18 MOVING W-NW OR 285 DEG AT 13 KT. MAXIMUM
SUSTAINED WINDS 30 KT GUSTS 40 KT NEAR CENTER. SEAS 11 FT.
ELSEWHERE WITHIN 180 NM NE SEMICIRCLE OF LOW WINDS 20 TO 30 KT.
SEAS TO 10 FT.
.12 HOUR FORECAST TROPICAL STORM THIRTEEN-E NEAR 15.4N 118.4W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT WITHIN 40 NM E
SEMICIRCLE WITH SEAS TO 12 FT. ELSEWHERE WITHIN 240 NM NE AND 30
NM SW SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS TO 11 FT.
.24 HOUR FORECAST TROPICAL STORM THIRTEEN-E NEAR 15.9N 121.0W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS AND SEAS 12 FT OR GREATER WITHIN 40 NM OF CENTER EXCEPT 30
NM SW QUADRANT. SEAS TO 13 FT. ELSEWHERE WITHIN 240 NM OF CENTER
EXCEPT 120 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS TO 11 FT.
.48 HOUR FORECAST HURRICANE THIRTEEN-E NEAR 17.3N 126.1W.
MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM N AND 40 NM S SEMICIRCLES. SEAS 12 FT OR
GREATER WITHIN 120 NM N AND 60 NM S SEMICIRCLES WITH SEAS TO 19
FT. ELSEWHERE WITHIN 240 NM N AND 120 NM S SEMICIRCLES OF CENTER
WINDS 20 TO 33 KT. SEAS TO 11 FT.
.72 HOUR FORECAST HURRICANE THIRTEEN-E NEAR 19.1N 130.3W.
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 21.4N 132.4W.
MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT.
.120 HOUR FORECAST TROPICAL STORM THIRTEEN-E NEAR 23.6N 133.3W.
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.

.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.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.18 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 LITTLE CHANGE.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 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 LITTLE CHANGE.

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

CONVECTION VALID AT 1500 UTC FRI AUG 18...

.TROPICAL DEPRESSION 13-E...SCATTERED STRONG IN BANDS WITHIN 180
NM N AND WITHIN 240 NM S SEMICIRCLES...EXCEPT NO CONVECTION E
QUADRANT.

.TROPICAL WAVE N OF 05N BETWEEN 95W AND 97W...SCATTERED MODERATE
ISOLATED STRONG WITHIN 150 NM E AND WITHIN 240 NM W OF WAVE AXIS.

..TROPICAL WAVE FROM 13N112W TO 23N109W...SCATTERED MODERATE
ISOLATED STRONG N OF 20N WITHIN 60 NM OF WAVE AXIS.

.LOW PRES 17N128W 1009 MB...ISOLATED STRONG FLARING WITHIN 180
NM S SEMICIRCLE.

.LOW PRES 18N140W 1010 MB...SCATTERED MODERATE WITHIN 120 NM
NE QUADRANT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 07N103W TO 08N108W....RESUMES FROM
13N118W TO 10N125W TO 11N134W TO 13N140W. SCATTERED MODERATE
ISOLATED STRONG FROM 02N TO 08N E OF 82W...ELSEWHERE WITHIN 75
NM OF LINE FROM 09N83W TO 07N98W TO 10N102W...WITHIN 75 NM OF
08.5N110W...WITHIN 180 NM OF LINE FROM 07N117W TO 11N124W TO
09N140W.

.FORECASTER NELSON. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 1200 UTC AUG 18 2017.
24 HOUR FORECAST VALID 1200 UTC AUG 19 2017.
48 HOUR FORECAST VALID 1200 UTC AUG 20 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 13N149W 1009 MB MOVING WNW SLOWLY. TROUGH FROM 13N140W TO
LOW TO 09N156W TO 08N164W NEARLY STATIONARY. ISOLATED MODERATE
TO LOCALLY STRONG TSTMS FROM 07N TO 10N BETWEEN 150W AND 159W.
ISOLATED MODERATE TSTMS FROM 08N TO 14N E OF 150W.
.24 HOUR FORECAST LOW 13N151W 1010 MB. TROUGH FROM 13N140W TO
LOW TO 10N155W.
.48 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 15N152W TO
12N155W.

.TROUGH FROM 15N171W TO 11N172W TO 08N175W MOVING W 10 KT. NE TO
E WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT FROM 14N TO 16N BETWEEN
168W AND 174W. ISOLATED MODERATE TSTMS FROM 12N TO 15N BETWEEN
168W AND 171W...AND FROM 06N TO 10N BETWEEN 172W AND 179W.
.24 HOUR FORECAST WEAK TROUGH FROM 14N175W TO 09N177W. WINDS
EASED TO 20 KT OR LESS AND SEAS SUBSIDED TO 8 FT OR LESS.
.48 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 30N172E TO 27N160E MOVING N SLOWLY.

.WINDS 20 KT OR LESS AND SEAS 8 FT OR LESS OVER REST OF FORECAST
AREA.

.ISOLATED MODERATE TSTMS FROM 18N TO 23N W OF 169E....AND FROM
11N TO 18N W OF 164E.

.ITCZ FROM 05N180E TO 06N174E TO 05N160E. ISOLATED MODERATE TO
LOCALLY STRONG TSTMS WITHIN 90 NM N OF ITCZ. ISOLATED MODERATE
TSTMS ELSEWHERE FROM 07N TO 11N BETWEEN 172E AND 176E.

$$

.FORECASTER KINEL. HONOLULU HI.


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