

492 

FZPN01 KWBC 210946

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC AUG 21. 

24 HOUR FORECAST VALID 0600 UTC AUG 22. 

48 HOUR FORECAST VALID 0600 UTC AUG 23. 



.WARNINGS. 



...GALE WARNING... 

.LOW 63N166W 998 MB MOVING E 10 KT. WITHIN 180 NM NW QUADRANT 

AND 240 NM E AND SE OF A LINE FROM 61N167W TO 55N168W TO 48N175W 

WINDS 20 TO 30 KT. SEAS TO 11 FT. 

.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 63N163W 992 MB. 

WITHIN 360 NM NW QUADRANT WINDS 25 TO 35 KT. SEAS TO 12 FT. ALSO 

WITHIN 180 NM E AND SE OF A LINE FROM 59N156W TO 51N158W TO 

46N166W WINDS 20 TO 30 KT. SEAS TO 10 FT. 

.36 HOUR FORECAST LOW 62N162W 994 MB. WITHIN 420 NM NW QUADRANT 

AND 90 NM N OF A LINE FROM 60N148W TO 57N142W WINDS 25 TO 35 KT. 

SEAS 8 TO 13 FT.

.48 HOUR FORECAST LOW 60N162W 997 MB. WITHIN 480 NM NW QUADRANT 

WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN 780 NM W 

QUADRANT AND 180 NM E OF A LINE FROM 59N150W TO 49N152W TO 

43N154W WINDS 20 TO 30 KT. SEAS TO 10 FT. 



.SYNOPSIS AND FORECAST. 



.FROM 47N TO 50N BETWEEN 126W AND 129W AREA OF NW WINDS 20 TO 30 

KT. SEAS TO 9 FT. ELSEWHERE WITHIN 360 NM NW OF A LINE FROM 

32N138W TO 47N125W WINDS TO 25 KT. SEAS TO 10 FT. 

.24 HOUR FORECAST E OF A LINE FROM 47N128W TO 52N133W AREA OF NW 

WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST CONDITIONS DIMINISHED. 



.LOW 48N154W 1018 MB MOVING NE 20 KT. WITHIN 180 NM W AND SW 

QUADRANTS WINDS TO 25 KT. SEAS LESS THAN 8 FT. 

.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED. 



.WITHIN 180 NM N AND NW OF A LINE FROM 36N165W TO 34N174W AREA 

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

.24 HOUR FORECAST WITHIN 120 NM N AND NW OF A LINE FROM 36N162W 

TO 33N178W AREA OF NE WINDS TO 25 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST WITHIN 120 NM NW OF A LINE FROM 34N173W TO 

30N179E AREA OF NE WINDS TO 25 KT. SEAS TO 8 FT. 



.24 HOUR FORECAST FROM 41N TO 43N BETWEEN 124W AND 137W AREA OF 

N WINDS TO 25 KT. SEAS TO 9 FT.

.48 HOUR FORECAST FROM 39N TO 42N BETWEEN 124W AND 128W AREA OF 

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



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 46N TO 60N W 

OF 168W. 

.24 HOUR FORECAST DENSE FOG FROM 43N TO 53N W OF 170W. 

.48 HOUR FORECAST DENSE FOG FROM 43N TO 52N W OF 170E AND FROM 

51N TO 55N BETWEEN 134W AND 137W. 



.HIGH 42N146W 1028 MB MOVING NE 10 KT. 

.24 HOUR FORECAST HIGH 44N142W 1024 MB. 

.48 HOUR FORECAST HIGH 46N134W 1026 MB. 



.HIGH 51N146W 1025 MB MOVING SE 15 KT. 

.24 HOUR FORECAST HIGH 47N137W 1023 MB. 

.48 HOUR FORECAST HIGH ABSORBED BY HIGH 46N134W. 



.HIGH 43N170W 1030 MB MOVING SE 05 KT. 

.24 HOUR FORECAST HIGH DISSIPATED. 



.HIGH 42N176E 1032 MB MOVING W 10 KT. 

.24 HOUR FORECAST HIGH 42N172E 1029 MB. 

.48 HOUR FORECAST HIGH 41N169E 1026 MB.



.24 HOUR FORECAST NEW HIGH 33N166W 1019 MB. 

.48 HOUR FORECAST HIGH 32N162W 1018 MB. 



.48 HOUR FORECAST HIGH 55N171E 1024 MB.



.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 SUN AUG 21.

24 HOUR FORECAST VALID 0600 UTC MON AUG 22.

48 HOUR FORECAST VALID 0600 UTC TUE AUG 23.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM KAY NEAR 21.0N 114.1W 1005 MB AT 0900 UTC AUG 21

MOVING NW OR 305 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 35 KT

GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W

SEMICIRCLE...40 NM NE QUADRANT AND 30 NM SE QUADRANT. SEAS 12 FT

OR GREATER WITHIN 60 NM OF CENTER EXCEPT 90 NM NE QUADRANT WITH

SEAS TO 17 FT. ELSEWHERE WITHIN 90 NM N SEMICIRCLE AND WITHIN 75

NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 10 TO 16 FT. REMAINDER

OF AREA FROM 18N TO 23N BETWEEN 111W AND 116W WINDS 20 KT OR

LESS. SEAS 8 TO 10 FT IN MIXED SW AND NW SWELL. 

.24 HOUR FORECAST TROPICAL STORM KAY NEAR 21.9N 115.9W. MAXIMUM

SUSTAINED WINDS 35 KT GUSTS 45 KT. LITTLE CHANGE IN RADIUS OF

TROPICAL STORM FORCE WINDS. SEAS 12 FT OR GREATER WITHIN 60 NM

OF CENTER EXCEPT 90 NM NE QUADRANT WITH SEAS TO 14 FT. ELSEWHERE

FROM 20N TO 24N BETWEEN 113W AND 118W WINDS 20 TO 33 KT. SEAS 8

TO 12 FT.

.48 HOUR FORECAST TROPICAL DEPRESSION KAY NEAR 22.7N 118.4W.

MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER

WITHIN 45 NM OF CENTER WITH SEAS TO 13 FT. ELSEWHERE WITHIN 120

NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.

.72 HOUR FORECAST POST-TROPICAL REMNANT LOW KAY NEAR 23.6N

121.6W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

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

.96 HOUR FORECAST POST-TROPICAL REMNANT LOW KAY NEAR 23.5N

124.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

.120 HOUR FORECAST...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.



.24 HOUR FORECAST S OF 02S BETWEEN 110W AND 118W WINDS 20 KT OR

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

.48 HOUR FORECAST FROM 01N TO 08N BETWEEN 110W AND 118W AND S OF

02S BETWEEN 103W AND 114W WINDS 20 KT OR LESS. SEAS 8 FT IN

MIXED SE AND SW SWELL. 



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



CONVECTION VALID AT 0830 UTC SUN AUG 21...



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

QUADRANT. SCATTERED STRONG ELSEWHERE WITHIN 45 NM E QUADRANT

AND WITHIN 75 NM SW QUADRANT.



.SCATTERED TO NUMEROUS STRONG WITHIN 90 NM OF COAST OF

GUATEMALA...WITHIN 30 NM OF COAST OF MEXICO BETWEEN 92W AND

94W...AND WITHIN 60 NM OF COAST OF MEXICO BETWEEN 94W AND 96W.



.TROPICAL WAVE ALONG 109W/111W S OF 15N...SCATTERED MODERATE

ISOLATED STRONG FROM 07N TO 12N BETWEEN 108W AND 113W.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH EXTENDS FROM 10N86W TO 11N88W TO 09N95W TO

10N103W TO 07N112W TO 08N114W. SCATTERED MODERATE ISOLATED

STRONG WITHIN 240 NM S OF AXIS BETWEEN 83W AND 88W...WITHIN 210

NM S OF AXIS BETWEEN 90W AND 96W...WITHIN 120 NM N OF AXIS

BETWEEN 93W AND 95W...AND WITHIN 75 NM N OF AXIS BETWEEN 103W

AND 104W.



$$

.FORECASTER MT. NATIONAL HURRICANE CENTER.

