

156 

FZPN01 KWBC 180947

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1030 UTC THU AUG 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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). 



SECURITE 



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

TO 50N 160E 



SYNOPSIS VALID 0600 UTC AUG 18. 

24 HOUR FORECAST VALID 0600 UTC AUG 19. 

48 HOUR FORECAST VALID 0600 UTC AUG 20. 



.WARNINGS. 



...GALE WARNING... 

.FROM 38N TO 42N BETWEEN 124W AND 128W N TO NW WINDS 25 TO 35 

KT. SEAS 8 TO 13 FT. 

.24 HOUR FORECAST CONDITIONS DESCRIBED BELOW. 



...GALE WARNING... 

.FROM 43N TO 50N BETWEEN 127W AND 131W N TO NW WINDS 25 TO 35 

KT. SEAS TO 11 FT. 

.24 HOUR FORECAST FROM 41N TO 54N BETWEEN 127W AND 134W N TO NW 

WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE FROM 36N TO 54N 

BETWEEN 124W AND 138W N TO NW WINDS 20 TO 30 KT. SEAS TO 10 FT. 

.48 HOUR FORECAST WITHIN 360 NM W AND N OF A LINE FROM 34N136W 

TO 42N129W TO 48N126W N TO NW WINDS 20 TO 30 KT. SEAS 8 TO 12 

FT. 



.SYNOPSIS AND FORECAST. 



.SW OF A LINE FROM 35N160E TO 30N164E SE WINDS 20 TO 30 KT. SEAS 

FROM 30N TO 34N W OF 163E SE WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. 

.24 HOUR FORECAST FROM 30N TO 33N W OF 161E SE WINDS TO 25 KT. 

SEAS TO 9 FT. 

.48 HOUR FORECAST FROM 30N TO 33N W OF 161E WINDS LESS THAN 25 

KT. SEAS TO 9 FT. 



.LOW 54N161W 1007 MB NEARLY STATIONARY. WITHIN 300 NM E 

SEMICIRCLE...WITHIN 120 NM N OF A LINE FROM 59N153W TO 58N148W 

TO 54N136W...AND 240 NM E OF A LINE FROM 54N145W TO 46N153W TO 

38N162W WINDS TO 25 KT. SEAS 8 TO 12 FT. 

.24 HOUR FORECAST LOW 56N163W 1014 MB. WITHIN 360 NM E AND SE 

QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.



.LOW 34N171W 1014 MB MOVING NE 20 KT. WITHIN 180 NM SE 

SEMICIRCLE WINDS TO 25 KT. SEAS TO 8 FT. 

.24 HOUR FORECAST LOW 39N163W 1014 MB. WITHIN 120 NM E OF A 

FRONT FROM 50N151W TO 43N157W TO LOW CENTER TO 36N167W WINDS TO 

25 KT. SEAS TO 9 FT.  

.48 HOUR FORECAST LOW 43N160W 1020 MB. WITHIN 240 NM NW AND E 

SEMICIRCLES WINDS TO 25 KT. SEAS TO 8 FT. 



.48 HOUR FORECAST LOW 55N136W 1014 MB. WITHIN 240 NM S AND SW 

QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT. 



.48 HOUR FORECAST WITHIN 270 NM E AND SE OF A LINE FROM 64N171W 

TO 57N179E SE WINDS 20 TO 30 KT. SEAS TO 9 FT. 



.48 HOUR FORECAST FROM 47N TO 52N W OF 166E SW WINDS TO 25 KT. 

SEAS TO 8 FT. 



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 52N TO 56N 

BETWEEN 137W AND 144W...FROM 50N TO 54N BETWEEN 167W AND 

172W...AND N OF 44N BETWEEN 173E AND 162E.

.24 HOUR FORECAST DENSE FOG WITHIN 90 NM SE OF A LINE FROM 

53N143W TO 48N151W AND NW OF A LINE FROM 44N167E TO 50N176E TO 

59N179E.

.48 HOUR FORECAST DENSE FOG NW OF A LINE FROM 45N169E TO 50N179W 

TO 56N173W TO 65N168W.



.HIGH 45N140W 1035 MB DRIFTING W. 

.24 HOUR FORECAST HIGH 45N141W 1035 MB. 

.48 HOUR FORECAST HIGH 43N146W 1033 MB. 



.HIGH 44N163E 1027 MB NEARLY STATIONARY. 

.24 HOUR FORECAST LITTLE CHANGE. 

.48 HOUR FORECAST HIGH 46N170E 1029 MB. 



.HIGH 52N177E 1024 MB MOVING S 25 KT. 

.24 HOUR FORECAST HIGH 46N179E 1028 MB. 

.48 HOUR FORECAST HIGH 44N177W 1031 MB. 



.24 HOUR FORECAST NEW HIGH 55N144W 1026 MB. 

.48 HOUR FORECAST HIGH DISSIPATED. 



.FORECASTER ACHORN. 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 18.

24 HOUR FORECAST VALID 0600 UTC FRI AUG 19.

48 HOUR FORECAST VALID 0600 UTC SAT AUG 20.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.LOW PRES NEAR 16N109W 1006 MB MOVING NW AT 09 KT. WITHIN 180 NM

SE QUADRANT SW WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE WITHIN

330 SE SEMICIRCLE OF LOW WINDS 20 KT OR LESS. SEAS TO 8 FT.

WITHIN 30 NM OF LINE FROM 16N101W TO 18N103W WINDS 20 KT OR

LESS. SEAS TO 8 FT.

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

18N111W 1007 MB. WITHIN 240 NM E SEMICIRCLE S TO SW WINDS 20 TO

25 KT. SEAS TO 10 FT. 

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

19N112W 1007 MB. WITHIN 120 NM NE SEMICIRCLE WINDS 20 TO 25 KT.

SEAS TO 10 FT. ELSEWHERE WITHIN 150 NM NE SEMICIRCLE AND 240 NM

SE QUADRANT WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL. 



.N OF 15N BETWEEN 94W AND 96W...INCLUDING THE GULF OF

TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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



.S OF 02S BETWEEN 110W AND 115W WINDS 20 KT OR LESS. SEAS TO 8

FT IN SW SWELL.

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



.24 HOUR FORECAST N OF 29.5N BETWEEN 127W AND 133W WINDS 20 KT

OR LESS. SEAS TO 8 FT IN N SWELL.

.36 HOUR 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 THU AUG 18...



.LOW PRES 16N109W...SCATTERED MODERATE ISOLATED STRONG W OF

CENTER WITHIN 30 NM OF 16N110W.



.TROPICAL WAVE N OF 10N ALONG 93W...SCATTERED MODERATE ISOLATED

STRONG WITHIN 60 NM OF 14N91.5W AND 13N95.5W. 



.SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM OF 17N102W

AND WITHIN 60 NM OF COAST OF MEXICO FROM 20N TO 24N.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH AXIS EXTENDS FROM 08N77W TO 10N86W TO 09N95W TO

13N102W...THEN RESUMES AT 15N111W TO 12N119W TO 11N140W.

ISOLATED MODERATE TO STRONG WITHIN 90 NM OF LINE FROM 06N77W

TO 10N87W AND WITHIN 30 NM OF LINE FROM 12.5N111W TO 11N118W.



$$

.FORECASTER NELSON. NATIONAL HURRICANE CENTER.

