

630 

FZPN02 KWBC 311125

HSFEPI



HIGH SEAS FORECAST FOR METAREA XII

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1145 UTC WED AUG 31 2016



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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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. 

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE 

NATIONAL WEATHER SERVICE. EMAIL US AT 

VOSOPS@NOAA.GOV(LOWERCASE). 



PAN PAN 



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

TO 50N 160E 



SYNOPSIS VALID 0600 UTC AUG 31. 

24 HOUR FORECAST VALID 0600 UTC SEP 01. 

48 HOUR FORECAST VALID 0600 UTC SEP 02. 



.WARNINGS. 



...GALE WARNING... 

.LOW 31N178E 1002 MB MOVING NE 15 KT. OVER FORECAST WATERS 

WITHIN 300 NM E QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. 

ELSEWHERE WITHIN 120 NM EITHER SIDE OF A LINE FROM 50N162W TO 

40N163W TO 33N171W TO LOW WINDS 20 TO 30 KT. SEAS TO 12 FT.

.24 HOUR FORECAST LOW 33N175W 1006 MB WITH NEW LOW 38N168W 1005 

MB AND SECOND NEW LOW 44N163W 1005 MB. WITHIN 120 NM EITHER SIDE 

OF A LINE FROM 45N161W TO 39N164W TO 36N168W WINDS 30 TO 45 KT. 

SEAS 12 TO 18 FT. ELSEWHERE WITHIN 240 NM EITHER SIDE OF A LINE 

FROM 48N157W TO 37N164W TO 30N175W WINDS 20 TO 30 KT. SEAS 8 TO 

15 FT.

.48 HOUR FORECAST LOW 39N169W 1010 MB WITH SECOND LOW 44N161W 

1014 MB AND THIRD LOW 50N156W 1006 MB. WITHIN 240 NM SE QUADRANT 

OF FIRST LOW WINDS 25 TO 35 KT. SEAS 9 TO 16 FT. ELSEWHERE 

WITHIN 180 NM EITHER SIDE OF A LINE FROM THIRD LOW TO 46N151W TO 

35N170W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.



...GALE WARNING... 

.LOW 53N168E 1004 MB MOVING S 20 KT WITH SECOND LOW 49N178W 997 

MB MOVING W 15 KT. OVER FORECAST WATERS FROM 50N TO 53N BETWEEN 

168E AND 163E N TO NW WINDS 20 TO 30 KT. SEAS TO 10 FT. ALSO 

WITHIN 120 NM EITHER SIDE OF A LINE FROM 58N178E TO 53N172W AND 

FROM 45N TO 53N BETWEEN 170W AND 176W WINDS 20 TO 30 KT. SEAS TO 

12 FT.

.12 HOUR FORECAST LOW 51N168E 999 MB WITH SECOND LOW 51N179E 998 

MB. FROM 49N TO 52N BETWEEN 166E AND 163E N TO NW WINDS 25 TO 40 

KT. SEAS 9 TO 15 FT.

.24 HOUR FORECAST LOW 46N171E 995 MB WITH SECOND LOW 50N172E 993 

MB. WITHIN 120 NM EITHER SIDE OF A LINE FROM 44N170E TO 49N164E 

TO 53N166E WINDS 25 TO 40 KT. SEAS 9 TO 16 FT. ELSEWHERE NW OF A 

LINE FROM 49N168E TO SECOND LOW TO 58N172W...AND WITHIN 240 NM 

EITHER SIDE OF A LINE FROM 50N164E TO 46N164E TO 40N173E WINDS 

20 TO 30 KT. SEAS 8 TO 15 FT.

.48 HOUR FORECAST FIRST LOW ABSORBED BY LOW 47N180W 988 MB. 

WITHIN 120 NM E QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. 

ELSEWHERE WITHIN 480 NM N...420 NM E...180 NM S...AND 240 NM W 

QUADRANTS...WITHIN 240 NM EITHER SIDE OF A LINE FROM 51N162E TO 

42N167E TO 40N180W...AND WITHIN 120 NM EITHER SIDE OF A LINE 

FROM 36N177W TO 42N171W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.



.SYNOPSIS AND FORECAST. 



.COMPLEX LOW WITH MAIN CENTER 49N132W 1008 MB MOVING N 10 KT. 

FROM 54N TO 57N BETWEEN 142W AND 146W...WITHIN 120 NM EITHER 

SIDE OF A LINE FROM 50N142W TO 46N132W...AND FROM 45N TO 49N 

BETWEEN 124W AND 126W WINDS 20 TO 30 KT. SEAS TO 10 FT.

.24 HOUR FORECAST LOW 51N132W 1007 MB. FROM 44N TO 50N BETWEEN 

129W AND 142W WINDS TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST LOW 48N128W 1011 MB. FROM 44N TO 48N BETWEEN 

128W AND 134W WINDS TO 25 KT. SEAS TO 8 FT.



.OVER FORECAST WATERS FROM 30N TO 36N BETWEEN 119W AND 123W AREA 

OF N TO NW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 

.24 HOUR FORECAST FROM 30N TO 40N BETWEEN 118W AND 125W AREA OF 

NW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 

.48 HOUR FORECAST FROM 30N TO 40N BETWEEN 119W AND 126W AREA OF 

NW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.



.OVER FORECAST WATERS W OF A LINE FROM 39N160E TO 31N168E E 

WINDS TO 25 KT. SEAS TO 9 FT. 

.24 HOUR FORECAST CONDITIONS DIMINISHED. 



.24 HOUR FORECAST OVER FORECAST WATERS W OF A LINE FROM 58N172W 

TO 65N167W AREA OF NE TO E WINDS 20 TO 30 KT. SEAS TO 11 FT.

.48 HOUR FORECAST W OF A LINE FROM 59N178E TO 59N174W TO 65N166W 

AREA OF NE WINDS 20 TO 30 KT. SEAS TO 11 FT.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST 

WATERS WITHIN 240 NM EITHER SIDE OF A LINE FROM 59N179E TO 

51N172W TO 46N159W.

.24 HOUR FORECAST DENSE FOG WITHIN 300 NM EITHER SIDE OF A LINE 

FROM 45N156W TO 51N165W...AND FROM 47N TO 61N BETWEEN 169W AND 

180W.

.48 HOUR FORECAST DENSE FOG WITHIN 120 NM OF 58N176W...WITHIN 90 

NM OF 41N165W...AND WITHIN 300 NM EITHER SIDE OF A LINE FROM 

55N174W TO 48N168W TO 49N147W.



.HIGH 38N152W 1028 MB MOVING SE 05 KT. 

.24 HOUR FORECAST HIGH 37N148W 1028 MB. 

.48 HOUR FORECAST HIGH 38N146W 1030 MB. 



.24 HOUR FORECAST NEW HIGH 53N150W 1020 MB. 

.48 HOUR FORECAST HIGH DISSIPATED. 



.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 0600 UTC WED AUG 31.

24 HOUR FORECAST VALID 0600 UTC THU SEP 01.

48 HOUR FORECAST VALID 0600 UTC FRI SEP 02.



.WARNINGS.



...HURRICANE WARNING...

.HURRICANE LESTER NEAR 17.7N 137.5W 948 MB AT 0900 UTC AUG 31

MOVING W OR 265 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 120 KT

GUSTS 145 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NW AND SE

QUADRANTS...100 NM NE QUADRANT AND 60 NM SW QUADRANT. SEAS 12 FT

OR GREATER WITHIN 240 NM NE QUADRANT...150 NM SE QUADRANT...210

NM SW QUADRANT...AND 300 NM NW QUADRANT WITH SEAS TO 40 FT.

ELSEWHERE WITHIN 300 NM N AND 180 NM S SEMICIRCLES WINDS 20 TO

33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 11N TO 27N W OF

130W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN MIXED

SWELL.

.24 HOUR FORECAST HURRICANE LESTER NEAR 18.0N 141.3W. MAXIMUM

SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS

WITHIN 100 NM NE QUADRANT...80 NM SE QUADRANT...70 NM SW

QUADRANT...AND 90 NM NW QUADRANT. OVER FORECAST WATERS E OF 140W

WITHIN 150 NM NE AND 120 NM SE QUADRANTS WINDS 30 TO 35 KT.

SEAS 12 TO 18 FT. ELSEWHERE FROM 16N TO 25N W OF 136W E TO SE

WINDS 20 TO 30 KT. SEAS 10 TO 12 FT. REMAINDER OF THE AREA FROM

12N TO 26N W OF 135W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN

MIXED SWELL. 

.48 HOUR FORECAST HURRICANE LESTER NEAR 18.9N 145.8W. MAXIMUM

SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS

WITHIN 120 NM NE QUADRANT...90 NM SE QUADRANT...80 NM SW

QUADRANT...AND 110 NM NW QUADRANT. OVER FORECAST WATERS FROM 18N

TO 26N BETWEEN 138W AND 140W E TO SE WINDS 20 TO 25 KT. SEAS 8

TO 10 FT.

.72 HOUR FORECAST HURRICANE LESTER NEAR 20.2N 151.0W. MAXIMUM

SUSTAINED WINDS 75 KT GUSTS 90 KT.

EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.

.96 HOUR FORECAST HURRICANE LESTER NEAR 21.8N 156.0W. MAXIMUM

SUSTAINED WINDS 65 KT GUSTS 80 KT.

.120 HOUR FORECAST TROPICAL STORM LESTER NEAR 24.0N 161.0W.

MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 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.



.FROM 08N TO 11N BETWEEN 95W AND 106W WINDS 20 KT OR LESS. SEAS

TO 8 FT IN SW SWELL.

.24 HOUR FORECAST FROM 08N TO 10N BETWEEN 102W AND 110W SW WINDS

20 TO 25 KT. SEAS TO 8 FT. 

.30 HOUR FORECAST 08N TO 10.5N BETWEEN 102W AND 110W SW WINDS 20

TO 25 KT. SEAS TO 8 FT. FROM 07N TO 09N BETWEEN 110W AND 117W SW

WINDS 20 TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST FROM 10N TO 11.5N BETWEEN 100W AND 110W WINDS

20 KT OR LESS. SEAS TO 8 FT IN SW SWELL. FROM 07N TO 10N BETWEEN

110W AND 122W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.



.12 HOUR FORECAST FROM 04N TO 06N BETWEEN 82W AND 87W SW WINDS

20 TO 25 KT. SEAS 8 TO 9 FT.

.24 HOUR FORECAST FROM 05N TO 08N BETWEEN 81W AND 86W WINDS 20

KT OR LESS. SEAS 8 TO 9 FT IN SW SWELL. FROM 06N TO 09N BETWEEN

88W AND 94W WINDS 20 KT OR LESS. SEAS TO 8 FT IN SW SWELL.

.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 0900 UTC WED AUG 31...



.HURRICANE LESTER...NUMEROUS MODERATE TO STRONG WITHIN 90 NM OF

CENTER. NUMEROUS MODERATE TO ISOLATED STRONG ELSEWHERE WITHIN

120 NM OF CENTER.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

THE MONSOON TROUGH AXIS EXTENDS FROM 09N91W TO 13N100W TO

12N110W TO 11.5N120W TO 13N126W. SCATTERED MODERATE TO ISOLATED

STRONG IS FROM 09N TO 13N BETWEEN 91W AND 98W. SCATTERED

MODERATE IS NEAR 06N88W...NEAR 12N87W...FROM 09N TO 12N BETWEEN

109W AND 113W...AND FROM 15N TO 18N BETWEEN 106W AND 108W.  





.FORECASTER GR. NATIONAL HURRICANE CENTER.



NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E



SYNOPSIS VALID 0600 UTC AUG 31 2016.

24 HOUR FORECAST VALID 0600 UTC SEP 01 2016.

48 HOUR FORECAST VALID 0600 UTC SEP 02 2016.



.WARNINGS. 



...HURRICANE WARNING... 

.HURRICANE MADELINE NEAR 19.2N 151.5W AT 31/0900Z MOVING W AT 10 

KT. 980 MB. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. WINDS 34 

KT OR GREATER WITHIN 110 NM N SEMICIRCLE...60 NM SE...AND 30 NM 

SW QUADRANTS. SEAS 12 FT OR HIGHER WITHIN 240 NM NE...100 NM 

SE...90 NM SW...200 NM NW QUADRANTS. WINDS 20 TO 33 KT ELSEWHERE 

BETWEEN 24N AND 17N FROM 154W TO 146W. SEAS 8 TO 12 FT ELSEWHERE 

BETWEEN 28N AND 15N FROM 156W TO 143W. NUMEROUS MODERATE TO 

STRONG TSTMS WITHIN 100 NM OF CENTER. 

.24 HOUR FORECAST HURRICANE MADELINE 18.7N 155.4W. MAXIMUM 

SUSTAINED WINDS 70 KT GUSTS 85 KT. WINDS 34 KT OR GREATER WITHIN 

110 NM N SEMICIRCLE...60 NM SE...AND 30 NM SW QUADRANTS. SEAS 12 

FT OR HIGHER WITHIN 210 NM N...AND 100 NM S SEMICIRCLES. WINDS 

20 TO 33 KT ELSEWHERE BETWEEN 23N AND 16N FROM 158W TO 151W. 

SEAS 8 TO 12 FT ELSEWHERE BETWEEN 28N AND 14N FROM 162W TO 150W. 

.48 HOUR FORECAST TROPICAL STORM MADELINE 18.6N 159.6W. MAXIMUM 

SUSTAINED WINDS 55 KT GUSTS 65 KT. WINDS 34 KT OR GREATER WITHIN 

80 NM N SEMICIRCLE...30 NM SE...AND 20 NM SW QUADRANTS. SEAS 12 

FT OR HIGHER WITHIN 180 NM...80 NM S SEMICIRCLES. WINDS 20 TO 33 

KT ELSEWHERE BETWEEN 16N AND 23N FROM 163W TO 154W. SEAS 8 TO 12 

FT BETWEEN 26N AND 14N FROM 164W TO 154W. 

.72 HOUR FORECAST TROPICAL STORM MADELINE 18.8N 165.2W. MAXIMUM 

SUSTAINED WINDS 50 KT GUSTS 60 KT. 



EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 



.96 HOUR FORECAST TROPICAL STORM MADELINE 19.2N 169.9W. MAXIMUM 

SUSTAINED WINDS 45 KT GUSTS 55 KT. 

.120 HOUR FORECAST TROPICAL STORM MADELINE 20.0N 174.0W. MAXIMUM 

SUSTAINED WINDS 40 KT GUSTS 50 KT. 



FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE 

USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE 

AND INTENSITY. 



...HURRICANE WARNING... 



.24 HOUR FORECAST HURRICANE LESTER NEAR 18.0N 141.3W. MAXIMUM 

SUSTAINED WINDS 110 KT GUSTS 135 KT. WINDS 34 KT OR GREATER 

WITHIN 110 NM NE...80 NM SE...70 NM SW...AND 90 NM NW QUADRANTS. 

SEAS 12 FT OR MORE WITHIN 250 NM NE...150 NM SE...220 NM 

SW...AND 310 NM NW QUADRANTS. WINDS 20 TO 33 KT ELSEWHERE 

BETWEEN 25N AND 15N E OF 145W. SEAS 8 TO 12 FT ELSEWHERE BETWEEN 

27N AND 11N E OF 150W. 

.48 HOUR FORECAST HURRICANE LESTER NEAR 18.9N 145.8W. MAXIMUM 

SUSTAINED WINDS 90 KT GUSTS 110 KT. WINDS 34 KT OR GREATER 

WITHIN 130 NM NE...90 NM SE...80 NM SW...AND 110 NM NW 

QUADRANTS. SEAS 12 FT OR MORE WITHIN 250 NM N AND 180 NM S 

SEMICIRCLES. WINDS 20 TO 33 KT ELSEWHERE BETWEEN 27N AND 16N E 

OF 150W. SEAS 8 TO 12 FT ELSEWHERE BETWEEN 28N AND 12N E OF 

154W. 

.72 HOUR FORECAST HURRICANE LESTER NEAR 20.2N 151.0W. MAXIMUM 

SUSTAINED WINDS 75 KT GUSTS 90 KT. 



EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 



.96 HOUR FORECAST HURRICANE LESTER NEAR 21.8N 156.0W. MAXIMUM 

SUSTAINED WINDS 65 KT GUSTS 80 KT. 

.120 HOUR FORECAST TROPICAL STORM LESTER 24.0N 161.0W. MAXIMUM 

SUSTAINED WINDS 60 KT GUSTS 75 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. 



.LOW NEAR 15N165W 1010 MB MOVING W 08 KT. SCATTERED MODERATE 

TSTMS WITHIN 130 NM NE QUADRANT. 

.24 HOUR FORECAST LOW 15N169W 1010 MB. 

.48 HOUR FORECAST LOW 14N172W 1010 MB. 



.LOW NEAR 31N178E 1005 MB MOVING ENE 30 KT. GALE N OF FORECAST 

AREA. FRONT FROM LOW TO 27N173E TO 27N162E TO 23N160E. N END OF 

FRONT MOVING E TO 25 KT...AND NEARLY STATIONARY WITH REST OF 

FRONT. WINDS 20 TO 25 KT WITHIN 130 NM E OF FRONT E OF 175E. 

ISOLATED MODERATE TSTMS WITHIN 150 NM EITHER SIDE OF A 

LINE...30N176W 23N175E 27N160E. PLEASE SEE FZPN01 KWBC FOR MORE 

DETAILS. 

.24 HOUR FORECAST FRONT 30N176W TO 27N175E TO 29N160E. 

.48 HOUR FORECAST FRONT 30N176W TO 27N175E TO 29N160E. FRONT IS 

WEAKENING. 



.RIDGE 30N165W TO 25N175W TO 20N175E TO 15N168E NEARLY 

STATIONARY. 



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



.SEAS ELSEWHERE 8 TO 9 FT N OF 23N W OF 180W. 

.24 HOUR FORECAST SEAS ELSEWHERE 8 TO 10 FT N OF 26N BETWEEN 

170W AND 180W. 

.48 HOUR FORECAST SEAS ELSEWHERE 8 TO 9 FT N OF 26N E OF 175W. 



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



.WIDELY SCATTERED TSTMS ELSEWHERE W OF 170E AND BETWEEN 10N170E 

10N168W 02N170E 10N170E. ISOLATED TSTMS BETWEEN 13N AND 07N E OF 

165W. 



$$ 



.FORECASTER LAU. HONOLULU HI.

