

072 

FZPN01 KWBC 212153

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

2230 UTC SUN AUG 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 21. 

24 HOUR FORECAST VALID 1800 UTC AUG 22. 

48 HOUR FORECAST VALID 1800 UTC AUG 23. 



.WARNINGS. 



...GALE WARNING... 

.LOW 65N165W 993 MB MOVING SE 05 KT. OVER FORECAST WATERS N OF 

62N BETWEEN 167W AND 172W N TO NW WINDS 25 TO 35 KT. SEAS TO 8 

FT.

.24 HOUR FORECAST LOW 64N162W 992 MB. N OF 60N BETWEEN 165W AND 

175W N WINDS 25 TO 40 KT. SEAS 8 TO 15 FT. ELSEWHERE WITHIN 120 

NM EITHER SIDE OF A LINE FROM 61N173W TO 56N177E TO 51N179E 

WINDS 20 TO 30 KT. SEAS TO 10 FT.

.48 HOUR FORECAST LOW 64N162W 1005 MB WITH NEW LOW 54N162W 1004 

MB AND SECOND NEW LOW 48N168W 1001 MB. WITHIN 180 NM EITHER SIDE 

OF A LINE FROM 65N168W TO 45N178W TO 41N173W...AND BETWEEN 360 

NM AND 600 NM E...BETWEEN 240 NM AND 480 NM SE...AND WITHIN 480 

NM S QUADRANT OF SECOND NEW LOW WINDS 20 TO 30 KT. SEAS TO 12 FT.



...GALE WARNING... 

.LOW 59N163W 992 MB MOVING E 10 KT. OVER FORECAST WATERS WITHIN 

90 NM EITHER SIDE OF A LINE FROM 56N156W TO 50N162W S TO SW 

WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE WITHIN 420 NM E AND 

SE...720 NM S...AND 900 NM SW QUADRANTS...AND WITHIN 120 NM 

EITHER SIDE OF A LINE FROM 49N176W TO 52N165E WINDS 20 TO 30 KT. 

SEAS TO 11 FT. 

.24 HOUR FORECAST LOW DISSIPATED. WITHIN 60 NM EITHER SIDE OF A 

LINE FROM 60N147W TO 58N142W TO 55N139W WINDS 25 TO 35 KT. SEAS 

TO 11 FT. ELSEWHERE WITHIN 120 NM EITHER SIDE OF A LINE FROM 

57N147W TO 42N160W AND WITHIN 90 NM EITHER SIDE OF A LINE FROM 

52N142W TO 42N150W S TO SW WINDS 20 TO 30 KT. SEAS TO 11 FT.

.48 HOUR FORECAST FROM 44N TO 56N BETWEEN 141W AND 151W S WINDS 

20 TO 30 KT. SEAS TO 10 FT.



.SYNOPSIS AND FORECAST. 



.OVER FORECAST WATERS WITHIN 90 NM EITHER SIDE OF A LINE FROM 

56N136W TO 51N133W TO 48N126W AREA OF NW WINDS 20 TO 30 KT. SEAS 

TO 8 FT.

.24 HOUR FORECAST FROM 40N TO 49N BETWEEN 124W AND 129W AREA OF 

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

.48 HOUR FORECAST FROM 39N TO 44N BETWEEN 124W AND 129W AREA OF 

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



.FROM 38N TO 42N BETWEEN 131W AND 139W AREA OF NE WINDS TO 25 

KT. SEAS TO 8 FT.

.24 HOUR FORECAST CONDITIONS DIMINISHED.



.WITHIN 120 NM EITHER SIDE OF A LINE FROM 38N170W TO 32N180W TO 

32N163E AREA OF NE TO E WINDS TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST OVER FORECAST WATERS FROM 30N TO 34N BETWEEN 

174W AND 164E AREA OF NE TO E WINDS TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST S OF A LINE FROM 33N177W TO 30N166E AREA OF NE 

WINDS TO 25 KT. SEAS TO 8 FT.



.LOW NW OF FORECAST AREA 61N175E 1000 MB MOVING S 15 KT. OVER 

FORECAST WATERS NW OF A LINE FROM 56N176E TO 57N179E AREA OF W 

WINDS TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DESCRIBED IN 

FIRST GALE WARNING ABOVE.



.24 HOUR FORECAST FROM 44N TO 49N BETWEEN 172W AND 174E AREA OF 

W TO NW WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST CONDITIONS DESCRIBED BY LOW 48N168W IN 

WARNINGS SECTION ABOVE.



.48 HOUR FORECAST OVER FORECAST WATERS NW OF A LINE FROM 47N160E 

TO 55N171E AREA OF S TO SW WINDS 20 TO 30 KT. SEAS TO 9 FT.



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

WATERS FROM 48N TO 51N BETWEEN 148W AND 153W...AND W OF A LINE 

FROM 44N160E TO 42N164E TO 48N169W TO 59N169W TO 59N179E.

.24 HOUR FORECAST DENSE FOG WITHIN 90 NM OF 53N140W...FROM 45N 

TO 51N BETWEEN 170W AND 178W...AND FROM 44N TO 51N W OF 177E.

.48 HOUR FORECAST DENSE FOG FROM 44N TO 48N BETWEEN 156W AND 

160W...N OF 44N W OF 169E...AND WITHIN 90 NM EITHER SIDE OF A 

LINE FROM 51N132W TO 55N135W.



.HIGH 43N145W 1026 MB MOVING NE 20 KT. 

.24 HOUR FORECAST HIGH 47N136W 1024 MB. 

.48 HOUR FORECAST HIGH 47N135W 1029 MB. 



.HIGH 52N141W 1023 MB MOVING SE 15 KT. 

.24 HOUR FORECAST HIGH MERGED WITH HIGH 47N136W. 



.HIGH 42N175E 1032 MB MOVING W 10 KT. 

.24 HOUR FORECAST HIGH 41N170E 1028 MB. 

.48 HOUR FORECAST HIGH 42N168E 1026 MB. 



.24 HOUR FORECAST NEW HIGH 34N157W 1022 MB. 

.48 HOUR FORECAST HIGH DISSIPATED. 



.48 HOUR FORECAST HIGH 51N174E 1025 MB. 



.48 HOUR FORECAST NEW HIGH 31N129W 1021 MB. 



.FORECASTER FIGURSKEY. 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 SUN AUG 21.

24 HOUR FORECAST VALID 1800 UTC MON AUG 22.

48 HOUR FORECAST VALID 1800 UTC TUE AUG 23.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM KAY NEAR 21.5N 115.3W 1000 MB AT 2100 UTC AUG 21

MOVING WNW OR 300 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 45 KT

GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM OF 

CENTER... EXCEPT 40 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 

60 NM 

OF CENTER WITH SEAS TO 15 FT. ELSEWHERE WITHIN 120 NM NW AND 90 

NM SE SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.

.24 HOUR FORECAST TROPICAL STORM KAY NEAR 22.3N 117.3W. MAXIMUM

SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS

WITHIN 30 NM N SEMICIRCLE AND 20 NM S SEMICIRCLE. SEAS 12 FT OR

GREATER WITHIN 60 NM NW AND 30 NM SE SEMICIRCLES WITH SEAS TO 14 

FT. ELSEWHERE WITHIN 120 NM NW AND 60 NM SE SEMICIRCLES WINDS 20 

TO 33 KT. SEAS 8 TO 12 FT.

.48 HOUR FORECAST POST-TROPICAL REMNANT LOW KAY NEAR 23.1N

120.4W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT WITHIN 60 NM

NW AND 30 NM SE SEMICIRCLES OF CENTER. ELSEWHERE WITHIN 120 NM

NW AND 60 NM SE SEMICIRCLES WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.

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



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.



.39 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 11N86W

TO 10N88W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25

KT. SEAS LESS THAN 8 FT.

.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N86W TO 10N89W...

INCLUDING THE GULF OF PAPAGAYO...WINDS 20 KT OR LESS. SEAS 8 FT 

IN MIXED NE AND SW SWELL.



.15 HOUR FORECAST S OF 03S BETWEEN 108W AND 119W WINDS 20 KT OR

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

.18 HOUR FORECAST S OF 03N BETWEEN 115W AND 119W WINDS 20 KT OR

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

.24 HOUR FORECAST S OF 05N BETWEEN 113W AND 120W WINDS 20 KT OR

LESS. SEAS 8 FT IN SWELL.  

.48 HOUR FORECAST FROM 03N TO 09N BETWEEN 108W AND 119W AND S OF

02S BETWEEN 108W AND 115W WINDS 20 KT OR LESS. SEAS TO 8 FT IN

MIXED SE AND SW SWELL. 



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



CONVECTION VALID AT 2115 UTC SUN AUG 21...



.TROPICAL STORM KAY...NUMEROUS STRONG WITHIN 45 NM SW QUADRANT.

SCATTERED MODERATE ELSEWHERE WITHIN 120 NM SW QUADRANT AND

WITHIN 30 NM OF 23N114W.



.TROPICAL WAVE AXIS ALONG 94W FROM 06N TO 15N. SCATTERED

MODERATE ISOLATED STRONG FROM 10N TO 15N BETWEEN 91W AND 96W.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH AXIS EXTENDS FROM 10N85W TO 09N94W TO 10N104W TO

08N112W TO 08N121W. SCATTERED STRONG WITHIN 120 NM S OF AXIS

BETWEEN 106W AND 109W...AND WITHIN 60 NM N OF AXIS BETWEEN 110W

AND 111W. SCATTERED MODERATE/ISOLATED STRONG WITHIN 180 NM S OF

AXIS BETWEEN 86W AND 90W. SCATTERED MODERATE WITHIN 120 NM S OF

AXIS BETWEEN 93W AND 99W.



$$



.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

