

771 

FZPN01 KWBC 232134

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

2230 UTC TUE AUG 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1800 UTC AUG 23. 

24 HOUR FORECAST VALID 1800 UTC AUG 24. 

48 HOUR FORECAST VALID 1800 UTC AUG 25. 



.WARNINGS. 



...GALE WARNING... 

.LOW 61N164W 1006 MB MOVING NE 10 KT. WITHIN 480 NM W AND 360 NM 

N QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.

.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.



...GALE WARNING... 

.LOW 35N167W 1011 MB MOVING NE 10 KT. WITHIN 300 NM W QUADRANT 

WINDS TO 25 KT. SEAS TO 8 FT. 

.24 HOUR FORECAST LOW DISSIPATED WITH NEW CENTER TO FORM NEAR 

34N168W 1006 MB. FROM 30N TO 43N BETWEEN 155W AND 165W WINDS 25 

TO 35 KT. SEAS TO 12 FT.

.48 HOUR FORECAST LOW 40N165W 1010 MB. WITHIN 420 NM W AND NW 

QUADRANTS...AND FROM 32N TO 50N BETWEEN 156W AND 164W WINDS 25 

TO 35 KT. SEAS 10 TO 17 FT.



...GALE WARNING... 

.24 HOUR FORECAST OVER FORECAST WATERS W OF A LINE FROM 48N162E 

TO 53N176E TO 59N179E S TO SW WINDS 25 TO 35 KT. SEAS TO 12 FT.

.48 HOUR FORECAST FROM 53N TO 62N BETWEEN 172W AND 178W S WINDS 

25 TO 35 KT. SEAS 8 TO 13 FT.



...GALE WARNING... 

.24 HOUR FORECAST OVER FORECAST WATERS N OF 46N BETWEEN 126W AND 

133W N TO NW WINDS 20 TO 30 KT. SEAS TO 9 FT. 

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

WINDS 25 TO 35 KT. SEAS TO 12 FT.

.48 HOUR FORECAST FROM 40N TO 54N BETWEEN 128W AND 135W N TO NW 

WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.



.SYNOPSIS AND FORECAST. 



.FROM 38N TO 44N E OF 130W AREA OF N WINDS 20 TO 30 KT. SEAS TO 

8 FT. 

.24 HOUR FORECAST FROM 39N TO 46N E OF 132W AREA OF N TO NW 

WINDS 20 TO 30 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST CONDITIONS DESCRIBED IN FINAL GALE WARNING 

ABOVE.



.LOW 46N164W 1000 MB MOVING NE 25 KT. WITHIN 540 NM E AND 300 NM 

S QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT.

.24 HOUR FORECAST LOW 56N163W 1011 MB. WITHIN 600 NM E QUADRANT 

AND 360 NM NW SEMICIRCLE WINDS TO 25 KT. SEAS TO 9 FT.

.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.



.LOW 48N168W 1000 MB MOVING S 05 KT. EXCEPT WHERE DESCRIBED IN 

FIRST GALE WARNING ABOVE...WITHIN 600 NM W SEMICIRCLE WINDS 20 

TO 30 KT. SEAS TO 12 FT.

.24 HOUR FORECAST LOW 45N168W 1010 MB. WITHIN 480 NM W QUADRANT 

WINDS TO 25 KT. SEAS TO 9 FT.

.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED. 



.48 HOUR FORECAST FROM 30N TO 35N BETWEEN 165E AND 160E E TO SE 

WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM OF 

49N157W...AND OVER FORECAST WATERS FROM 44N TO 54N W OF 170E.

.24 HOUR FORECAST DENSE FOG FROM 44N TO 59N BETWEEN 143W AND 

160W...AND FROM 45N TO 57N W OF 175E. 

.48 HOUR FORECAST DENSE FOG FROM 44N TO 58N BETWEEN 144W AND 

161W...AND FROM 45N TO 57N W OF 178W.



.HIGH 31N127W 1022 MB NEARLY STATIONARY. 

.24 HOUR FORECAST HIGH DISSIPATED. 



.HIGH 49N136W 1031 MB MOVING NW 10 KT. 

.24 HOUR FORECAST HIGH 50N139W 1037 MB. 

.48 HOUR FORECAST HIGH 50N143W 1039 MB. 



.HIGH 41N167E 1025 MB MOVING NE 15 KT. 

.24 HOUR FORECAST HIGH 46N175E 1025 MB. 

.48 HOUR FORECAST HIGH 44N175E 1027 MB. 



.HIGH 51N174E 1024 MB MOVING SE 15 KT.

.24 HOUR FORECAST HIGH DISSIPATED.



.FORECASTER NOLT. 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 TUE AUG 23.

24 HOUR FORECAST VALID 1800 UTC WED AUG 24.

48 HOUR FORECAST VALID 1800 UTC THU AUG 25.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.POST-TROPICAL CYCLONE KAY NEAR 23.5N 121.1W 1008 MB AT 2100 UTC

AUG 23 MOVING NW OR 310 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 30

KT GUSTS 40 KT. WITHIN 150 NM N SEMICIRCLE WINDS 20 TO 30 KT.

SEAS 8 TO 10 FT.

.24 HOUR FORECAST POST-TROPICAL REMNANT LOW KAY NEAR 23.7N

124.3W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. WITHIN 150 NM

NW QUADRANT WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SWELL.

.36 HOUR FORECAST POST-TROPICAL REMNANT LOW KAY DISSIPATED.

WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.



.LOW PRES NEAR 14N104.5W 1012 MB. WITHIN 150 NM N SEMICIRCLE

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

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

16N111W 1010 MB. WITHIN 150 NM NE SEMICIRCLE WINDS 20 TO 25 KT.

SEAS 8 TO 9 FT.

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

17N115W 1008 MB. WITHIN 180 NM NE SEMICIRCLE WINDS 20 TO 30 KT.

SEAS 8 TO 10 FT.



.LOW PRES NEAR 11.5N118W 1008 MB. WITHIN 480 NM SE SEMICIRCLE

WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO SW SWELL.

.24 HOUR FORECAST LOW PRES NEAR 11N122W 1010 MB. WINDS 20 KT OR

LESS. SEAS LESS THAN 8 FT.



.WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W TO 15N95W TO

14.5N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20

TO 25 KT. SEAS 8 TO 9 FT.

.24 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W

TO 14.5N95W TO 13N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO

NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.

.48 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W

TO 13.5N95W...INCLUDING THE GULF OF TEHUANTEPEC...WINDS 20 KT OR

LESS. SEAS TO 8 FT IN N SWELL.



.S OF A LINE FROM 01S120W TO 01S110W TO 03.4S105W WINDS 20 KT OR

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

.12 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 TUE AUG 23...



.LOW PRES NEAR 14N104.5W WITH TROPICAL WAVE FROM 19N104.5W TO

LOW TO 08N105W...SCATTERED MODERATE FROM 12N TO 18N BETWEEN 100W

AND 109W.



.SCATTERED MODERATE FROM 23N TO 26N BETWEEN 108W AND 111W...

INCLUDING THE GULF OF CALIFORNIA.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH AXIS EXTENDS FROM 08N78W TO 08N90W TO LOW PRES

NEAR 11.5N118W TO 10N132W. ITCZ AXIS EXTENDS FROM 10N132W TO

11N140W. SCATTERED MODERATE FROM 08N TO 10N BETWEEN 120W AND

124W AND ALSO FROM 09N TO 11N BETWEEN 135W AND 138W.



$$

.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.

