

195 

FZPN01 KWBC 181547

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1200 UTC AUG 18. 

24 HOUR FORECAST VALID 1200 UTC AUG 19. 

48 HOUR FORECAST VALID 1200 UTC AUG 20. 



.WARNINGS.



...GALE WARNING... 

.FROM 35N TO 54N BETWEEN 124W AND 134W N TO NW WINDS 25 TO 35 

KT. SEAS TO 12 FT. 

.24 HOUR FORECAST FROM 36N TO 54N BETWEEN 127W AND 134W N TO NW 

WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM 36N TO 54N 

BETWEEN 125W AND 138W N TO NW WINDS 20 TO 30 KT. SEAS TO 10 FT. 

.48 HOUR FORECAST WITHIN 240 NM W AND NW OF A LINE FROM 36N135W 

TO 46N127W TO 52N129W N TO NW WINDS 25 TO 35 KT. SEAS 8 TO 12 

FT. 

.SYNOPSIS AND FORECAST. 



.SW OF A LINE FROM 38N160E TO 30N163E SE WINDS 20 TO 30 KT. SEAS 

TO 12 FT. 

.24 HOUR FORECAST CONDITIONS W OF AREA. 



.LOW 55N162W 1008 MB NEARLY STATIONARY. WITHIN 300 NM E 

SEMICIRCLE WINDS TO 25 KT. SEAS TO 10 FT.

.24 HOUR FORECAST LOW 55N161W 1018 MB. CONDITIONS DIMINISHED.

.48 HOUR FORECAST LOW DISSIPATED. 



.FRONT EXTENDS FROM 58N141W TO 39N162W TO 32N173W. WITHIN 120 NM 

SE OF THE FRONT N OF 38N AND WITHIN 90 NM EITHER SIDE OF THE 

FRONT S OF 38N WINDS 20 TO 30 KT. SEAS TO 12 FT.

.24 HOUR FORECAST FRONT TO EXTEND FROM 52N146W TO 34N171W. 

WITHIN 90 NM SE OF THE FRONT N OF 43N AND WITHIN 180 NM NW AND 

90 NM SE OF THE FRONT S OF 43N WINDS 20 TO 30 KT. SEAS TO 10 FT.

.48 HOUR FORECAST CONDITIONS DIMINISHED.



.48 HOUR FORECAST N OF THE ALEUTIAN ISLANDS SW WINDS 20 TO 30 

KT. SEAS TO 10 FT. 



.48 HOUR FORECAST FROM 47N TO 53N W OF 174E SW WINDS TO 25 KT. 

SEAS TO 9 FT. 



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 53N TO 57N 

BETWEEN 135W AND 144W...FROM 50N TO 54N BETWEEN 167W AND 171W 

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

.24 HOUR FORECAST DENSE FOG WITHIN 120 NM SE OF A LINE FROM 

54N143W TO 47N155W AND NW OF A LINE FROM 44N168E TO 50N178E TO 

61N177W. 

.48 HOUR FORECAST DENSE FOG W OF A LINE FROM 66N167W TO 49N176W 

TO 46N169E.



.HIGH 45N141W 1035 MB DRIFTING SW. 

.24 HOUR FORECAST HIGH 44N144W 1033 MB. 

.48 HOUR FORECAST HIGH 43N146W 1033 MB. 



.HIGH 46N157W 1023 MB MOVING NE 10 KT.

.24 HOUR FORECAST HIGH 49N154W 1027 MB.

.48 HOUR FORECAST HIGH DISSIPATED.



.HIGH 44N164E 1029 MB MOVING NE 05 KT. 

.24 HOUR FORECAST HIGH 45N166E 1029 MB.

.48 HOUR FORECAST HIGH DISSIPATED.



.HIGH 50N178E 1026 MB MOVING SE 10 KT. 

.24 HOUR FORECAST HIGH 46N179W 1030 MB. 

.48 HOUR FORECAST HIGH 45N176W 1032 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 1200 UTC THU AUG 18.

24 HOUR FORECAST VALID 1200 UTC FRI AUG 19.

48 HOUR FORECAST VALID 1200 UTC SAT AUG 20.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.LOW PRES NEAR 17N109.5W 1006 MB MOVING NW AT 9 KT. WITHIN 300 NM

SE SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. WITHIN 60 NM OF

MEXICO BETWEEN 101W AND 105W E TO SE WINDS 20 TO 25 KT. SEAS TO

8 FT.

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

18.5N111W 1005 MB. WITHIN 240 NM SE SEMICIRCLE WINDS 20 TO 25 KT.

SEAS 8 TO 9 FT.

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

20N114.5W 1004 MB. WITHIN 240 NM SE AND 180 NM SW SEMICIRCLES 

WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.



.WITHIN AREA BOUNDED BY 30N127W TO 30N133W TO 29N131W TO 29N128W

TO 30N127W WINDS 20 KT OR LESS. SEAS 8 FT IN NW TO N SWELL.

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



.TROPICAL WAVE ALONG 134W FROM 11N TO 19N. WITHIN AREA BOUNDED

BY 18N134W TO 19N135W TO 18N136W TO 16N136W TO 16N135W TO

16N134W TO 18N134W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED 

SWELL. 

.24 HOUR FORECAST TROPICAL WAVE ALONG 139W FROM 10N TO 18N. 

WITHIN AREA BOUNDED BY 19N137W TO 19N140W TO 16N140W TO 17N137W

TO 19N137W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL.

.42 HOUR FORECAST TROPICAL WAVE W OF AREA. WINDS 20 KT OR LESS.

SEAS LESS THAN 8 FT.



.WITHIN AREA BOUNDED BY 16N94W TO 16N95W TO 15N95W TO 14N95W TO

15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20

TO 25 KT. SEAS 8 FT.

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



.WITHIN AREA BOUNDED BY 03N115W TO 03N124W TO 01N128W TO 01S120W

TO 03.4S120W TO 03.4S98W TO 03N115W WINDS 20 KT OR LESS. SEAS 8

FT IN S TO SW SWELL. WITHIN AREA BOUNDED BY 06N80W TO 06N81W TO

05N83W TO 03N82W TO 03N80W TO 04N79W TO 06N80W WINDS 20 KT OR

LESS. SEAS TO 8 FT IN SW SWELL.

.24 HOUR FORECAST WITHIN AREA BOUNDED BY 02S100W TO 01S104W TO

03.4S117W TO 03.4S96W TO 02S100W WINDS 20 KT OR LESS. SEAS TO 8

FT IN SW SWELL. WITHIN AREA BOUNDED BY 03N114W TO 04N116W TO

04N119W TO 03N120W TO 00N118W TO 00N115W TO 03N114W WINDS 20 KT

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

.36 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 1500 UTC THU AUG 18...



.LOW PRES NEAR 17N109.5W...SCATTERED MODERATE ISOLATED STRONG

WITHIN 210 NM SW QUADRANT.



.TROPICAL WAVE ALONG 94.5W N OF 10N...SCATTERED MODERATE WITHIN

120 NM OF WAVE AXIS.



.SCATTERED MODERATE FROM 20N TO 24N E OF 108W.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH AXIS EXTENDS FROM 08N77W TO 09N90W TO 14N103W 

THEN RESUMES FROM 14N113W TO LOW PRES NEAR 09N129W TO 10N140W.

SCATTERED MODERATE WITHIN 180 NM S OF AXIS E OF 86W...WITHIN 

90 NM N OF AXIS BETWEEN 86W AND 91W...FROM 14N TO 16N BETWEEN

99W AND 102W...AND WITHIN 75 NM EITHER SIDE OF AXIS BETWEEN

114W AND 119W.



$$

.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.

