

383 

FZPN01 KWBC 252215

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

2230 UTC THU AUG 25 2016 



SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1800 UTC AUG 25. 

24 HOUR FORECAST VALID 1800 UTC AUG 26. 

48 HOUR FORECAST VALID 1800 UTC AUG 27. 



.WARNINGS. 



...GALE WARNING... 

.FROM 50N TO 54N BETWEEN 129W AND 134W N TO NW WINDS 25 TO 35 

KT. SEAS TO 12 FT. ELSEWHERE FROM 38N TO 55N BETWEEN 125W AND 

139W N TO NW WINDS 20 TO 30 KT. SEAS TO 11 FT.

.24 HOUR FORECAST OVER FORECAST WATERS WITHIN 240 NM EITHER SIDE 

OF A LINE FROM 37N143W TO 49N132W...WITHIN 180 NM EITHER SIDE OF 

A LINE FROM 49N132W TO 54N133W...AND FROM 52N TO 56N BETWEEN 

135W AND 149W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.48 HOUR FORECAST WITHIN 240 NM EITHER SIDE OF A LINE FROM 

53N143W TO 47N128W W TO NW WINDS TO 25 KT. SEAS TO 8 FT.



...GALE WARNING... 

.LOW 37N168W 1011 MB MOVING NW 20 KT. WITHIN 120 NM EITHER SIDE 

OF A LINE FROM 48N162W TO 33N162W S TO SE WINDS 25 TO 35 KT. 

SEAS 9 TO 15 FT. ELSEWHERE WITHIN 180 NM EITHER SIDE OF A LINE 

FROM 55N154W TO 44N160W TO 31N160W AND FROM 38N TO 42N BETWEEN 

169W AND 177W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 

.24 HOUR FORECAST LOW 41N170W 1014 MB. WITHIN 180 NM OF LOW AND 

FROM 32N TO 47N BETWEEN 158W AND 164W WINDS 20 TO 30 KT. SEAS TO 

12 FT. 

.48 HOUR FORECAST LOW 47N174W 1014 MB. WITHIN 180 NM E QUADRANT 

AND FROM 34N TO 48N BETWEEN 160W AND 164W WINDS TO 25 KT. SEAS 

TO 8 FT. 



...GALE WARNING... 

.LOW NW OF AREA 59N176E 1002 MB MOVING E 10 KT. OVER FORECAST 

WATERS WITHIN 90 NM EITHER SIDE OF A LINE FROM 61N176W TO 

58N175W TO 53N177W S TO SE WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. 

ELSEWHERE WITHIN 120 NM EITHER SIDE OF A LINE FROM 52N179W TO 

59N174W TO 61N176W AND NW OF A LINE FROM 55N173E TO 56N175E 

WINDS 20 TO 30 KT. SEAS TO 12 FT.

.24 HOUR FORECAST LOW 57N179W 1014 MB. WITHIN 300 NM E QUADRANT 

S TO SE WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST LOW 57N179W 1016 MB. WINDS LESS THAN 25 KT. 

SEAS LESS THAN 8 FT.



...GALE WARNING...

.24 HOUR FORECAST OVER FORECAST WATERS FROM 30N TO 40N W OF 164E 

SE WINDS 20 TO 30 KT. SEAS TO 10 FT.

.42 HOUR FORECAST FROM 32N TO 39N W OF 161E SE WINDS 25 TO 35 

KT. SEAS 8 TO 13 FT.

.48 HOUR FORECAST W OF A LINE FROM 44N160E TO 39N165E TO 30N165E 

E TO SE WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.



.SYNOPSIS AND FORECAST. 



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

WATERS WITHIN 240 NM EITHER SIDE OF A LINE FROM 56N149W TO 

42N164W...N OF 47N BETWEEN 180W AND 171E...AND FROM 47N TO 49N W 

OF 171E.

.24 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY 53N164W TO 

54N147W TO 43N158W TO 41N164W TO 44N170W TO 53N164W...NW OF A 

LINE FROM 56N177W TO 64N166W...WITHIN 120 NM OF 52N179E...AND N 

OF 45N W OF 173E.

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

FROM 52N171W TO 47N155W...NW OF A LINE FROM 45N160E TO 

52N180W...AND NW OF A LINE FROM 56N177W TO 64N167W.



.HIGH 48N144W 1041 MB MOVING SW 10 KT. 

.24 HOUR FORECAST HIGH 46N148W 1036 MB. 

.48 HOUR FORECAST HIGH 46N153W 1030 MB. 



.HIGH 42N175E 1026 MB MOVING SW 05 KT. 

.24 HOUR FORECAST HIGH 41N173E 1026 MB. 

.48 HOUR FORECAST HIGH 40N171E 1024 MB. 



.24 HOUR FORECAST NEW HIGH 57N163W 1027 MB. 

.48 HOUR FORECAST HIGH 61N166W 1028 MB.



.24 HOUR FORECAST NEW HIGH 30N131W 1019 MB.

.48 HOUR FORECAST LITTLE CHANGE. 



.48 HOUR FORECAST NEW HIGH 48N167E 1024 MB. 



.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 1800 UTC THU AUG 25.

24 HOUR FORECAST VALID 1800 UTC FRI AUG 26.

48 HOUR FORECAST VALID 1800 UTC SAT AUG 27.



.WARNINGS.



...HURRICANE WARNING...

.TROPICAL STORM LESTER NEAR 16.9N 113.4W 1000 MB AT 2100 UTC AUG

25 MOVING WNW OR 295 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 50 KT

GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM N

SEMICIRCLE AND 20 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN

45 NM N SEMICIRCLE AND 30 NM S SEMICIRCLE WITH SEAS TO 17 FT.

ELSEWHERE WITHIN 60 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 11

FT.

.24 HOUR FORECAST HURRICANE LESTER NEAR 17.7N 115.4W. MAXIMUM

SUSTAINED WINDS 65 KT GUSTS 80 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 OF CENTER...EXCEPT 75 NM NE QUADRANT WITH SEAS TO 25 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 18.0N 118.6W. MAXIMUM

SUSTAINED WINDS 75 KT GUSTS 90 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 29 FT.

ELSEWHERE WITHIN 180 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO

11 FT. REMAINDER AREA WITHIN 300 NM SW SEMICIRCLE AND 240 NM NE

SEMICIRCLE WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.

.72 HOUR FORECAST HURRICANE LESTER NEAR 18.0N 123.0W. MAXIMUM

SUSTAINED WINDS 80 KT GUSTS 100 KT.

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

.96 HOUR FORECAST HURRICANE LESTER NEAR 18.0N 128.5W. MAXIMUM

SUSTAINED WINDS 80 KT GUSTS 100 KT.

.120 HOUR FORECAST HURRICANE LESTER NEAR 18.0N 133.5W. 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.



.LOW PRES NEAR 11.5N132W 1008 MB MOVING W 15 KT. FROM 09N TO 11N

BETWEEN 132W AND 135W S TO SW WINDS 20 TO 25 KT. SEAS TO 8 FT.

FROM 13N TO 17N BETWEEN 124W AND 139W WINDS 20 KT OR LESS. SEAS

8 TO 9 FT IN MIXED NE AND SE SWELL. WINDS AND SEAS HIGHER IN AND

NEAR SCATTERED TSTMS FROM 12N TO 15N BETWEEN 131W AND 136W.    

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

12N137W 1009 MB. WITHIN 270 NM E QUADRANT AND 180 NM S

SEMICIRCLE WINDS S TO SW 20 TO 25 KT. SEAS TO 9 FT. WITHIN 210

NM NW QUADRANT WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED NE AND

SE SWELL. 

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

13N138W 1005 MB. WITHIN 210 NM SE SEMICIRCLE S TO SW WINDS 20 TO

30 KT. SEAS 8 TO 10 FT. WITHIN 180 NM NW SEMICIRCLE N TO NE

WINDS 20 TO 25 KT. SEAS TO 9 FT.



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

INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT.

SEAS  TO 8 FT. 

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



.06 HOUR FORECAST FROM 05N TO 08N BETWEEN 95W AND 104W WINDS

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

.18 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 2145 UTC THU AUG 25...



.TROPICAL STORM LESTER...NUMEROUS STRONG WITHIN 45 NM SW

QUADRANT. SCATTERED STRONG ELSEWHERE WITHIN 90 NM SW SEMICIRCLE

AND 60 NM NE SEMICIRCLE.



.LOW PRESSURE NEAR 11.5N132W...SCATTERED STRONG FROM 12N TO 15N

BETWEEN 131W AND 136W. SCATTERED MODERATE ISOLATED STRONG

WITHIN 60 NM OF 14N130W.



.SCATTERED MODERATE ISOLATED STRONG S OF THE ITCZ AXIS FROM

08N TO 10N BETWEEN 127W AND 130W.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH AXIS EXTENDS FROM 10N85W TO 10N90W TO 09N96W TO

10N108W. IT RESUMES AT 14N120W TO LOW PRES NEAR 11.5N132W 1008

MB AND TO BEYOND 10N140W. SCATTERED MODERATE/ISOLATED STRONG

WITHIN 120 NM S OF THE AXIS BETWEEN 93W AND 98W...WITHIN 120 NM

S OF THE AXIS BETWEEN 104W AND 109W AND WITHIN 120 NM S OF THE

AXIS BETWEEN 130W AND 138W. 



$$



.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

