

055 

FZPN01 KWBC 270934

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1030 UTC SAT AUG 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC AUG 27. 

24 HOUR FORECAST VALID 0600 UTC AUG 28. 

48 HOUR FORECAST VALID 0600 UTC AUG 29. 



.WARNINGS. 



...GALE WARNING... 

.OVER FORECAST WATERS FROM 30N TO 39N W OF 164E AREA OF SE WINDS 

20 TO 30 KT. SEAS TO 10 FT. 

.06 HOUR FORECAST FROM 30N TO 37N W OF 163E AREA OF SE WINDS 25 

TO 35 KT. SEAS TO 12 FT.

.24 HOUR FORECAST WITHIN 300 NM N OF A LINE FROM 34N160E TO 

30N165E AREA OF E TO SE WINDS 25 TO 40 KT. SEAS 8 TO 17 FT. 

.48 HOUR FORECAST WITHIN 300 NM N OF A LINE FROM 34N160E TO 

30N168E WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. 



.SYNOPSIS AND FORECAST. 



.OVER FORECAST WATERS NE OF A LINE FROM 53N142W TO 43N135W AND 

WITHIN 240 NM SE OF A LINE FROM 45N140W TO 40N145W WINDS 20 TO 

30 KT. SEAS TO 10 FT. 

.24 HOUR FORECAST CONDITIONS DIMINISHED. 



.LOW 43N171W 1014 MB MOVING NW 15 KT. WITHIN 180 NM E AND 240 NM 

SE QUADRANTS...AND WITHIN 180 NM NE AND E OF A FRONT FROM 

46N166W TO 41N165W TO 35N163W WINDS 20 TO 30 KT. SEAS TO 11 FT. 

.24 HOUR FORECAST LOW 48N176W 1012 MB. WITHIN 90 NM E OF A FRONT 

TO EXTEND FROM 49N175W TO 42N173W TO 39N176W WINDS TO 25 KT. 

SEAS TO 8 FT.

.48 HOUR FORECAST LOW 46N180W 1014 MB. WITHIN 90 NM NE AND E OF 

A FRONT TO EXTEND FROM 51N177W TO 49N173W TO 45N172W TO 41N175W 

WINDS TO 25 KT. SEAS LESS THAN 8 FT. 



.FROM 52N TO 55N BETWEEN 142W AND 153W AREA OF W WINDS TO 25 KT. 

SEAS LESS THAN 8 FT.

.24 HOUR FORECAST NEW LOW 51N135W 1009 MB. WITHIN 480 NM SW 

QUADRANT WINDS TO 25 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST LOW 53N134W 1004 MB. WITHIN 120 NM N AND NE 

AND 300 NM SE...AND BETWEEN 480 NM AND 840 NM SW QUADRANTS WINDS 

20 TO 30 KT. SEAS TO 9 FT. 



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

WATERS N OF 46N W OF 172E AND N OF 53N BETWEEN 168W AND 177E AND 

FROM 43N TO 53N BETWEEN 153W AND 172W AND FROM 41N TO 55N 

BETWEEN 137W AND 153W.

.24 HOUR FORECAST DENSE FOG N OF 48N W OF 168W.

.48 HOUR FORECAST DENSE FOG N OF 48N BETWEEN 170E AND 166E AND 

FROM 53N TO 59N BETWEEN 169W AND 177E AND FROM 44N TO 50N 

BETWEEN 168W AND 176W.



.HIGH 47N167E 1024 MB MOVING NW 05 KT. 

.24 HOUR FORECAST HIGH 48N165E 1024 MB. 

.48 HOUR FORECAST HIGH 47N162E 1022 MB. 



.HIGH 40N172E 1025 MB MOVING SE 10 KT. 

.24 HOUR FORECAST HIGH 36N175E 1019 MB. 

.48 HOUR FORECAST HIGH DISSIPATED. 



.HIGH 46N150W 1033 MB MOVING SW 10 KT. 

.24 HOUR FORECAST HIGH 45N155W 1029 MB. 

.48 HOUR FORECAST HIGH 43N157W 1027 MB. 



.HIGH 30N130W 1019 MB MOVING NW 05 KT.

.24 HOUR FORECAST HIGH 32N132W 1020 MB. 

.48 HOUR FORECAST HIGH 33N129W 1023 MB. 



.48 HOUR FORECAST NEW HIGH 51N166W 1025 MB.



.FORECASTER BELL. 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 SAT AUG 27.

24 HOUR FORECAST VALID 0600 UTC SUN AUG 28.

48 HOUR FORECAST VALID 0600 UTC MON AUG 29.



.WARNINGS.



...HURRICANE WARNING...

.HURRICANE LESTER NEAR 17.9N 117.4W 978 MB AT 0900 UTC AUG 27

MOVING W OR 280 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 75 KT

GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NE

QUADRANT...60 NM SE QUADRANT...40 NM SW QUADRANT...AND 70 NM NW

QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM NW AND SE

QUADRANTS...120 NM NE QUADRANT AND 75 NM SW QUADRANT WITH SEAS

TO 28 FT. ELSEWHERE WITHIN 150 NM OF CENTER...EXCEPT 90 NM SW

QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA

FROM 15N TO 21N BETWEEN 114W AND 121W WINDS 20 KT OR LESS. SEAS

8 TO 10 FT IN MIXED SWELL.

.24 HOUR FORECAST HURRICANE LESTER NEAR 18.1N 121.0W. MAXIMUM

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

WITHIN 100 NM NE QUADRANT...80 NM SE QUADRANT...60 NM SW

QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN

120 NM SE SEMICIRCLE AND 150 NM NW SEMICIRCLE WITH SEAS TO 32 FT.

ELSEWHERE WITHIN 180 NM SE AND 210 NM NW SEMICIRCLES WINDS 20 TO

33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 13N TO 23N

BETWEEN 117W AND 126W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN

MIXED SWELL.

.48 HOUR FORECAST HURRICANE LESTER NEAR 18.4N 126.3W. MAXIMUM

SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS

WITHIN 110 NM NE QUADRANT...90 NM SE QUADRANT...70 NM SW

QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN

150 NM SE SEMICIRCLE AND 180 NM NW SEMICIRCLES WITH SEAS TO 34

FT. ELSEWHERE WITHIN 180 NM SE AND 240 NM NW SEMICIRCLES WINDS

20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 12N TO 25N

BETWEEN 120W AND 132W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN

MIXED SWELL.

.72 HOUR FORECAST HURRICANE LESTER NEAR 18.5N 132.0W. MAXIMUM

SUSTAINED WINDS 90 KT GUSTS 110 KT.

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

.96 HOUR FORECAST HURRICANE LESTER NEAR 18.5N 137.5W. MAXIMUM

SUSTAINED WINDS 85 KT GUSTS 105 KT.

.120 HOUR FORECAST HURRICANE LESTER NEAR 18.0N 142.5W. MAXIMUM

SUSTAINED WINDS 80 KT GUSTS 100 KT.



...HURRICANE WARNING...

.TROPICAL STORM MADELINE NEAR 14.5N 138.4W 1000 MB AT 0900 UTC

AUG 27 MOVING WNW OR 300 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 45

KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM N

SEMICIRCLE AND 30 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN

45 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE WITH SEAS TO 16 FT.

.24 HOUR FORECAST TROPICAL STORM MADELINE NEAR 15.8N 140.5W.

MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE

WINDS WITHIN 80 NM N SEMICIRCLE...60 NM SE QUADRANT AND 40 NM SW

QUADRANT. SEAS 12 FT OR GREATER OVER FORECAST WATERS WITHIN 120

NM E SEMICIRCLE WITH SEAS TO 15 FT. ELSEWHERE OVER FORECAST

WATERS WITHIN 150 NM E SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO

12 FT. REMAINDER OF AREA FROM 11N TO 19N W OF 136W WINDS 20 KT

OR LESS. SEAS TO 9 FT IN MIXED SWELL.

.48 HOUR FORECAST HURRICANE MADELINE NEAR 17.8N 143.4W. MAXIMUM

SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS

WITHIN 120 NM NE QUADRANT...80 NM SE QUADRANT...60 NM SW

QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER W OF

AREA. ELSEWHERE OVER FORECAST WATERS FROM 17N TO 22N W OF 139W

WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA FROM 17N

TO 24N W OF 137W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED

SWELL.

.72 HOUR FORECAST HURRICANE MADELINE NEAR 19.5N 146.5W. MAXIMUM

SUSTAINED WINDS 75 KT GUSTS 90 KT.

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

.96 HOUR FORECAST HURRICANE MADELINE NEAR 20.5N 150.5W. MAXIMUM

SUSTAINED WINDS 65 KT GUSTS 80 KT.

.120 HOUR FORECAST TROPICAL STORM MADELINE NEAR 20.5N 155.0W.

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.



.S OF 02S BETWEEN 95W AND 102W WINDS 20 KT OR LESS. SEAS 8 FT IN

SW SWELL.  

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



.12 HOUR FORECAST FROM 10N TO 11.5N BETWEEN 117W AND 120W SW

WINDS 20 TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST FROM 09N TO 12N BETWEEN 116W AND 119W SW WINDS

20 TO 25 KT. SEAS TO 8 FT. 

.36 HOUR FORECAST FROM 07N TO 10N BETWEEN 110W AND 125W SW WINDS

20 TO 25 KT. SEAS TO 9 FT.

.48 HOUR FORECAST FROM 09N TO 11N BETWEEN 110W AND 126W SW WINDS

20 TO 25 KT. SEAS TO 9 FT.



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



CONVECTION VALID AT 0900 UTC SAT AUG 27...



.HURRICANE LESTER...NUMEROUS MODERATE TO STRONG WITHIN 75 NM NE

AND 45 NM SW SEMICIRCLES. 



.TROPICAL STORM MADELINE...NUMEROUS MODERATE TO STRONG WITHIN 90

NM N QUADRANT. NUMEROUS MODERATE ISOLATED STRONG ELSEWHERE FROM

12.5N TO 15N BETWEEN 138W AND 140W. 



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH AXIS EXTENDS FROM 12N94W TO LOW PRES NEAR 11N109W

THEN RESUMES NEAR 13N118W TO 12N122W TO 14N127W. CLUSTERS OF

MODERATE TO ISOLATED STRONG CONVECTION WITHIN ABOUT 90 NM OF THE

COAST OF CENTRAL AMERICA BETWEEN 86W AND 92W. SIMILAR CONVECTION

IS NEAR 15N94W OVER THE GULF OF TEHUANTEPEC. SCATTERED MODERATE

FROM 08N TO 11N BETWEEN 113W AND 117W. 



$$

.FORECASTER GR. NATIONAL HURRICANE CENTER.

