

373 

FZPN01 KWBC 312138

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

2230 UTC WED AUG 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 31. 

24 HOUR FORECAST VALID 1800 UTC SEP 01. 

48 HOUR FORECAST VALID 1800 UTC SEP 02. 



.WARNINGS. 



...GALE WARNING... 

.COMPLEX LOW WITH ONE CENTER 32N178W 1003 MB MOVING NE 25 KT AND 

SECOND LOW CENTER 35N174W 1006 MB MOVING NE 45 KT. FRONT EXTENDS 

FROM 44N160W TO THE SECOND LOW TO THE FIRST LOW TO 30N180W. OVER 

FORECAST WATERS WITHIN 120 NM SE OF THE FRONT WINDS 30 TO 40 KT. 

SEAS 10 TO 15 FT. ELSEWHERE WITHIN 240 NM SE OF THE FRONT AND 

WITHIN 180 NM W SEMICIRCLE OF THE FIRST LOW WINDS 20 TO 30 KT. 

SEAS TO 12 FT. 

.24 HOUR FORECAST COMPLEX LOW WITH ONE LOW CENTER 38N170W 1006 

MB AND SECOND LOW CENTER 48N158W 1005 MB. FRONT TO EXTEND FROM 

30N177W TO THE FIRST LOW TO THE SECOND LOW. WITHIN 120 NM SE OF 

THE FRONT WINDS 30 TO 40 KT. SEAS 11 TO 17 FT. ELSEWHERE WITHIN 

300 NM SE OF THE FRONT WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. 

.48 HOUR FORECAST LOW 48N163W 1011 MB WITH SECOND LOW 50N148W 

1012 MB. FRONT TO EXTEND FROM 30N176W TO THE FIRST LOW TO THE 

SECOND LOW. WITHIN 300 NM S AND SE OF THE FRONT WINDS 20 TO 30 

KT. SEAS TO 12 FT.



...GALE WARNING... 

.LOW 52N166E 1000 MB MOVING SE 20 KT WITH SECOND LOW 51N179E 993 

MB MOVING W 10 KT. WITHIN 180 NM W QUADRANT OF MAIN LOW WINDS 30 

TO 40 KT. SEAS 10 TO 15 FT. ELSEWHERE OVER FORECAST WATERS N OF 

47N W OF 171W WINDS 20 TO 30 KT. SEAS TO 11 FT. 

.24 HOUR FORECAST LOWS DISSIPATED WITH NEW LOW 47N178E 989 MB. 

BETWEEN 240 NM AND 660 NM W QUADRANT WINDS 25 TO 35 KT. SEAS 9 

TO 15 FT. ELSEWHERE EXCEPT WITHIN 420 NM NW QUADRANT...N OF 35N 

W OF 180W WINDS 20 TO 30 KT. SEAS TO 12 FT. 

.48 HOUR FORECAST LOW 48N180W 994 MB. EXCEPT WHERE NOTED 

ABOVE...WITHIN 540 NM SE SEMICIRCLE AND 780 NM W AND 900 NM N 

QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11 FT. 



.SYNOPSIS AND FORECAST. 



.LOW 53N134W 1006 MB MOVING SE 10 KT. WITHIN 420 NM SW QUADRANT 

WINDS TO 25 KT. SEAS TO 9 FT. 

.24 HOUR FORECAST LOW 51N131W 1010 MB. WITHIN 240 NM SW 

SEMICIRCLE WINDS TO 25 KT. SEAS TO 7 FT. 

.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED. 



.OVER FORECAST WATERS FROM 31N TO 40N BETWEEN 119W AND 124W AREA 

OF N TO NW WINDS 20 TO 30 KT. SEAS TO 10 FT. 

.24 HOUR FORECAST FROM 30N TO 41N BETWEEN 119W AND 127W AREA OF 

NW WINDS 20 TO 30 KT. SEAS TO 11 FT. 

.48 HOUR FORECAST LITTLE CHANGE. 



.24 HOUR FORECAST N OF 58N BETWEEN ALASKA AND 180W NE WINDS 20 

TO 30 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST N OF 57N BETWEEN 175W AND ALASKA NE WINDS 20 

TO 30 KT. SEAS TO 10 FT. 



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

WATERS WITHIN 300 NM EITHER SIDE OF A LINE FROM 58N177E TO 

45N158W. 

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

FROM 45N155W TO 58N177E. 

.48 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY A LINE 

FROM 60N176W TO 50N146W TO 41N157W TO 53N179W TO 60N176W. 



.HIGH 37N149W 1028 MB MOVING NE 05 KT. 

.24 HOUR FORECAST HIGH 38N146W 1029 MB. 

.48 HOUR FORECAST HIGH 36N147W 1029 MB. 



.HIGH 55N152W 1019 MB MOVING SE 15 KT. 

.24 HOUR FORECAST HIGH 52N144W 1019 MB. 

.48 HOUR FORECAST HIGH 52N139W 1020 MB. 



.FORECASTER LEE. 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 WED AUG 31.

24 HOUR FORECAST VALID 1800 UTC THU SEP 01.

48 HOUR FORECAST VALID 1800 UTC FRI SEP 02.



.WARNINGS.



...HURRICANE WARNING...



...HURRICANE WARNING...

.HURRICANE LESTER NEAR 18.0N 139.9W 954 MB AT 2100 UTC AUG 31

MOVING W OR 275 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 115 KT

GUSTS 140 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM N

SEMICIRCLE AND 60 NM S SEMICIRCLE. SEAS 12 FT OR GREATER

WITHIN210 NM NE QUADRANT...180 NM SE QUADRANT...240 NM

SW QUADRANT...AND 300 NM NW QUADRANT WITH SEAS TO 42 FT.

ELSEWHERE WITHIN 150 NM NE...150 NM SE...180 NM SW AND 240 NM NW

QUADRANTS OF CENTER WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER

WITH SEAS TO 42 FT. REMAINDER FORECAST WATERS FROM 10N TO 26N W

OF 134W WINDS 20 KT OR LESS. SEAS TO 12 FT PRIMARILY IN MIXED

SWELL.

.24 HOUR FORECAST HURRICANE LESTER NEAR 18.6N 143.9W. MAXIMUM

SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS

WITHIN 60 NM S SEMICIRCLE...100 NM NE QUADRANT AND 90 NM NW

QUADRANT. OVER FORECAST WATERS FROM 16N TO 25N W OF 138W E TO SE

WINDS 20KT OR LESS. SEAS 8 TO 9 FT.

.48 HOUR FORECAST HURRICANE LESTER NEAR 19.8N 149.0W. MAXIMUM

SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS

WITHIN 120 NM NE QUADRANT...70 NM SE QUADRANT...60 NM SW

QUADRANT...AND 100 NM NW QUADRANT. ASSOCIATED CONDITIONS W OF

140W. 

.72 HOUR FORECAST HURRICANE LESTER NEAR 21.4N 154.4W. MAXIMUM

SUSTAINED WINDS 70 KT GUSTS 85 KT.

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

.96 HOUR FORECAST TROPICAL STORM LESTER NEAR 23.2N 159.5W.

MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.

.120 HOUR FORECAST TROPICAL STORM LESTER NEAR 25.0N 164.0W.

MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 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 06N TO 10N BETWEEN 90W AND 107W WINDS 20 KT OR LESS. SEAS

TO 8 FT IN SW SWELL.

.24 HOUR FORECAST FROM 06N TO 10N BETWEEN 103W AND 118W WINDS 20

KT OR LESS. SEAS TO 8 FT IN SW SWELL.

.42 HOUR FORECAST FROM 08N TO 10N BETWEEN 116W AND 121W SW WIND

20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 06N TO 10N BETWEEN

107W AND 123W WINDS 20 KT OR LESS. SEAS TO 8 FT IN SW SWELL.  

.48 HOUR FORECAST FROM 06N TO 11N BETWEEN 105W AND 124W WINDS 20

KT OR LESS. SEAS TO 9 FT PRIMARILY IN SW SWELL.



.FROM 02N TO 06N BETWEEN 80W AND 87W SW WINDS 20 KT OR LESS.

SEAS TO 8 FT IN SW SWELL.

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



.N OF 27N BETWEEN 118W AND 121W WINDS 20 KT OR LESS. SEAS TO 8

FT IN MIXED S AND NW SWELL.

.06 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 WED AUG 31...



.HURRICANE LESTER...NUMEROUS MODERATE TO STRONG FROM 17N TO 19N

BETWEEN 138W AND 141W. SCATTERED MODERATE ELSEWHERE FROM 16N TO

21N BETWEEN 138W AND 142W.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 12N87W TO 14N104W TO 10N118W TO 12N130W.

SCATTERED MODERATE ISOLATED STRONG FROM 04N TO 10N E OF 89W.

SCATTERED MODERATE FROM 07N TO 11N BETWEEN 93W AND 113W...FROM

06N TO 13N BETWEEN 117W AND 129W AND FROM 09N TO 13N W OF 133W.



$$

.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.

