

189 

FZPN02 KWBC 251125

HSFEPI



HIGH SEAS FORECAST FOR METAREA XII

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1145 UTC THU AUG 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 25. 

24 HOUR FORECAST VALID 0600 UTC AUG 26. 

48 HOUR FORECAST VALID 0600 UTC AUG 27. 



.WARNINGS. 



...GALE WARNING... 

.FROM 50N TO 54N BETWEEN 129W AND 133W N TO NW WINDS 25 TO 35 KT.

SEAS TO 10 FT. ELSEWHERE FROM 38N TO 56N E OF 137W N TO NW WINDS

20 TO 30 KT. SEAS TO 9 FT.

.24 HOUR FORECAST FROM 49N TO 54N BETWEEN 128W AND 134W N TO NW

WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE FROM 37N TO 56N E OF

140W N TO NW WINDS 20 TO 30 KT. SEAS TO 10 FT.

.48 HOUR FORECAST FROM 40N TO 54N E OF 142W N TO NW WINDS 20 TO

30 KT. SEAS TO 10 FT.



...GALE WARNING... 

.LOW 38N166W 1007 MB MOVING NW 10 KT. WITHIN 540 NM N AND NE AND

300 NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. ELSEWHERE

FROM 30N TO 53N BETWEEN 152W AND 177W WINDS TO 25 KT. SEAS TO 12

FT.

.24 HOUR FORECAST LOW 39N171W 1011 MB. WITHIN 360 NM N AND NW

QUADRANTS...AND WITHIN 240 NM E OF A LINE FROM 59N145W TO 48N164W

TO 32N164W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

.48 HOUR FORECAST LOW 43N172W 1014 MB. FROM 33N TO 47N BETWEEN

158W AND 169W WINDS 20 TO 30 KT. SEAS TO 11 FT.



...GALE WARNING... 

.LOW W OF AREA 59N170E 995 MB MOVING E 15 KT. WARM FRONT EXTENDS

FROM 50N178E TO 59N178E. WITHIN 180 NM E AND NE OF FRONT N OF 53N

WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. ELSEWHERE WITHIN 480 NM E AND

NE...AND 600 NM S AND SE QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO

13 FT.

.24 HOUR FORECAST LOW 59N180W 1009 MB. OVER THE BERING SEA FROM

52N TO 62N BETWEEN 169W AND 175W WINDS TO 25 KT. SEAS TO 11 FT.

.48 HOUR FORECAST LOW 56N178W 1018 MB. WINDS LESS THAN 25 KT.

SEAS LESS THAN 8 FT. 



.SYNOPSIS AND FORECAST. 



.24 HOUR FORECAST FROM 30N TO 37N BETWEEN 166E AND 160E E TO SE

WINDS TO 25 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST FROM 30N TO 41N BETWEEN 168E AND 160E SE WINDS

20 TO 30 KT. SEAS TO 12 FT. 



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 360 NM E OF

A LINE FROM 42N165W TO 60N154W...AND OVER FORECAST WATERS FROM

46N TO 58N W OF 178E.

.24 HOUR FORECAST DENSE FOG WITHIN 480 NM E OF A LINE FROM

43N168W TO 55N155W...AND W OF A LINE FROM 44N180W TO 64N168W.

.48 HOUR FORECAST DENSE FOG WITHIN 480 NM OF 49N162W...W OF A

LINE FROM 58N173W TO 66N167W...AND FROM 45N TO 57N W OF 175E.



.HIGH 50N141W 1041 MB MOVING SW 10 KT. 

.24 HOUR FORECAST HIGH 48N147W 1039 MB. 

.48 HOUR FORECAST HIGH 45N150W 1034 MB.



.HIGH 62N168W 1023 MB MOVING NE 10 KT. 

.24 HOUR FORECAST HIGH 64N162W 1024 MB. 

.48 HOUR FORECAST HIGH INLAND OVER ALASKA.



.HIGH 53N173W 1022 MB MOVING SE 10 KT WILL TURN NE AFTER 24 

HOURS.

.24 HOUR FORECAST HIGH 50N170W 1025 MB.

.48 HOUR FORECAST HIGH 54N165W 1026 MB.



.HIGH 43N175E 1026 MB NEARLY STATIONARY WILL MOVE SW AFTER 24

HOURS. 

.24 HOUR FORECAST LITTLE CHANGE. 

.48 HOUR FORECAST HIGH 41N171E 1024 MB.



.24 HOUR FORECAST NEW HIGH 57N162W 1026 MB.

.48 HOUR FORECAST HIGH 59N163W 1027 MB. 



.48 HOUR FORECAST NEW HIGH 31N132W 1019 MB.



.48 HOUR FORECAST NEW HIGH 48N168E 1025 MB. 



.FORECASTER MILLS. 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 THU AUG 25.

24 HOUR FORECAST VALID 0600 UTC FRI AUG 26.

48 HOUR FORECAST VALID 0600 UTC SAT AUG 27.



.WARNINGS.



...HURRICANE WARNING...

.TROPICAL STORM LESTER NEAR 16.2N 111.6W 1005 MB AT 0900 UTC AUG

25 MOVING WNW OR 295 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 35 KT

GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM N

SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS TO 12 FT WITHIN 30 NM N

SEMICIRCLE. WITHIN 60 NM N SEMICIRCLE AND 45 NM S SEMICIRCLE

WINDS 20 TO 30 KT. SEAS 8 TO 11 FT IN MIXED E AND SW SWELL.

.24 HOUR FORECAST TROPICAL STORM LESTER NEAR 17.2N 114.4W.

MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE

WINDS WITHIN 70 NM NE QUADRANT...50 NM SE QUADRANT...40 NM SW

QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN

60 NM W SEMICIRCLE AND 45 NM E SEMICIRCLE WITH SEAS TO 20 FT.

ELSEWHERE WITHIN 120 NM W SEMICIRCLE AND 90 NM E SEMICIRCLE

WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. 

.48 HOUR FORECAST HURRICANE LESTER NEAR 17.6N 117.3W. MAXIMUM

SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS

WITHIN 90 NM NE QUADRANT...70 NM SE QUADRANT...60 NM SW

QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN

120 NM W SEMICIRCLE AND 90 NM E SEMICIRCLE WITH SEAS TO 25 FT.

ELSEWHERE WITHIN 120 NM WINDS 20 TO 33 KT. SEAS 11 TO 13 FT.

REMAINDER AREA WITHIN 300 NM SW SEMICIRCLE AND 240 NM NE

SEMICIRCLE WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.

.72 HOUR FORECAST HURRICANE LESTER NEAR 17.7N 121.0W. MAXIMUM

SUSTAINED WINDS 75 KT GUSTS 90 KT.

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

.96 HOUR FORECAST HURRICANE LESTER NEAR 17.9N 125.8W. MAXIMUM

SUSTAINED WINDS 80 KT GUSTS 100 KT.

.120 HOUR FORECAST HURRICANE LESTER NEAR 18.0N 130.4W. MAXIMUM

SUSTAINED WINDS 75 KT GUSTS 90 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.



.POST-TROPICAL CYCLONE KAY NEAR 24N127W 1018 MB. WITHIN 120 NM

NW SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED E AND

NE SWELL.

.12 HOUR FORECAST POST-TROPICAL REMNANT LOW KAY DISSIPATED.

WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.



.LOW PRES NEAR 12N126W 1008 MB MOVING W 10 KT. WITHIN 360 NM NW

QUADRANT AND E SEMICIRCLE WINDS 20 KT OR LESS. SEAS 8 TO 10 FT

IN MIXED S AND SW SWELL. 

.24 HOUR FORECAST LOW PRES NEAR 12N133W 1007 MB. FROM 13N TO 17N

BETWEEN 130W AND 138W NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR

13N136W 1005 MB. WITHIN 180 NM SE QUADRANT S TO SW WINDS 20 TO

25 KT. WITHIN 300 NM SE SEMICIRCLE SEAS 8 TO 9 FT.



.WITHIN 30 NM EITHER SIDE OF LINE FROM 16.5N95W TO 14.5N95.5W...

INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT.

SEAS TO 9 FT. 

.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST LITTLE CHANGE.



.18 HOUR FORECAST FROM 04N TO 05N BETWEEN 97W AND 99W WINDS

20 KT OR LESS. SEAS 8 FT IN MIXED SE AND SW SWELL.

.24 HOUR FORECAST FROM 04N TO 07N BETWEEN 94W AND 100W WINDS

20 KT OR LESS. SEAS 8 FT IN MIXED SE AND SW SWELL.

.45 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.



.30 HOUR FORECAST S OF 02S BETWEEN 104W AND 115W WINDS 20 KT OR

LESS. SEAS 8 FT IN SW SWELL.

.48 HOUR FORECAST S OF 02S BETWEEN 92W AND 114W WINDS 20 KT OR

LESS. SEAS 8 FT IN MIXED SWELL.



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



CONVECTION VALID AT 0830 UTC THU AUG 25...



.TROPICAL STORM LESTER...NUMEROUS STRONG WITHIN 60 NM NW

SEMICIRCLE. SCATTERED MODERATE ISOLATED STRONG WITHIN 75 NM SE

SEMICIRCLE...AND FROM 120 NM TO 180 NM NE QUADRANT.



.LOW PRESSURE NEAR 12N126W...SCATTERED STRONG WITHIN 240 NM

NW SEMICIRCLE.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH EXTENDS FROM 10N85W TO 07N97W TO 11N107W.

NUMEROUS STRONG FROM 05N TO 08N BETWEEN 81W AND 83W...AND 120 NM

S OF MONSOON TROUGH BETWEEN 97W AND 100W. SCATTERED MODERATE

ISOLATED STRONG WITHIN 90 NM S OF MONSOON TROUGH BETWEEN 84W AND

86W...AND WITHIN 180 NM S OF MONSOON TROUGH BETWEEN 102W AND

106W.



.FORECASTER MT. NATIONAL HURRICANE CENTER.



NATIONAL WEATHER SERVICE HONOLULU HI

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



SYNOPSIS VALID 0600 UTC AUG 25 2016.

24 HOUR FORECAST VALID 0600 UTC AUG 26 2016.

48 HOUR FORECAST VALID 0600 UTC AUG 27 2016.



.WARNINGS. 



.NONE. 



.SYNOPSIS AND FORECAST. 



.WEAKENING FRONT 30N173W TO 28N179W TO 30N174E MOVING S SLOWLY. 

.24 HOUR FORECAST WEAKENING FRONT 30N170W TO 27N177W TO 27N180W. 

.48 HOUR FORECAST FRONT WEAKENED TO A TROUGH 30N171W TO 28N176W. 



.TROUGH 23N168W TO 20N175W TO 17N174E NEARLY STATIONARY. 

ISOLATED MODERATE TSTMS FROM 13N TO 20N BETWEEN 168W AND 

170E...AND FROM 20N TO 25N BETWEEN 166W AND 170W. 

.24 HOUR FORECAST TROUGH 30N168W TO 17N176E. 

.48 HOUR FORECAST TROUGH DISSIPATED. 



.TROUGH 08N173E TO 04N166E MOVING NW 10 KT. SCATTERED MODERATE 

TO STRONG TSTMS FROM 03N TO 10N BETWEEN 163E AND 178E. 

.24 HOUR FORECAST TROUGH 11N170E TO 07N161E. 

.48 HOUR FORECAST TROUGH DISSIPATED. 



.RIDGE 30N155W TO 24N161W TO 18N169W MOVING NW SLOWLY. 



.48 HOUR FORECAST S TO SE WINDS 20 TO 25 KT N OF 27N W OF 161E. 



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



.SEAS 8 FT OR LESS OVER ENTIRE FORECAST AREA. 

.24 HOUR FORECAST SEAS 8 TO 9 FT N OF 29N W OF 161E. 

.48 HOUR FORECAST SEAS 8 TO 11 FT N AND W OF A LINE 30N162E TO 

26N160E. 



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



.ITCZ 10N140W TO 12N149W TO 08N161W TO 09N171W. ISOLATED 

MODERATE TSTMS WITHIN 150 NM OF ITCZ...AND ELSEWHERE FROM 07N TO 

17N E OF 151W. 



.ISOLATED MODERATE TSTMS FROM 20N TO 24N BETWEEN 167E AND 171E. 



$$ 



.HONOLULU HI.

