

176 

FZPN01 KWBC 211531

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1200 UTC AUG 21. 

24 HOUR FORECAST VALID 1200 UTC AUG 22. 

48 HOUR FORECAST VALID 1200 UTC AUG 23. 



.WARNINGS. 



...GALE WARNING... 

.LOW 65N165W 995 MB MOVING SE 05 KT. OVER FORECAST WATERS N OF 

63N W OF 168W N WINDS 20 TO 30 KT. SEAS TO 8 FT.

.12 HOUR FORECAST LOW 64N165W 992 MB. N OF 62N BETWEEN 168W AND 

171W N TO NW WINDS 25 TO 35 KT. SEAS TO 11 FT.

.24 HOUR FORECAST LOW 64N163W 992 MB. N OF 61N W OF 166W N TO NW 

WINDS 25 TO 40 KT. SEAS 8 TO 15 FT.

.48 HOUR FORECAST LOW INLAND WITH NEW LOW 60N165W 1000 MB AND 

SECOND NEW LOW 54N164W 1001 MB. WITHIN 180 NM EITHER SIDE OF A 

LINE FROM 65N170W TO 50N177W TO 41N173W N TO NW WINDS 20 TO 30 

KT. SEAS 8 TO 13 FT.



...GALE WARNING...

.LOW 60N165W 996 MB MOVING E 10 KT. OVER FORECAST WATERS WITHIN 

90 NM EITHER SIDE OF A LINE FROM 54N160W TO 51N165W SW WINDS 25 

TO 35 KT. SEAS TO 11 FT. ELSEWHERE WITHIN 480 NM E...660 NM 

S...AND 840 NM SW QUADRANTS...AND FROM 47N TO 52N BETWEEN 175W 

AND 164E WINDS 20 TO 30 KT. SEAS TO 11 FT.

.24 HOUR FORECAST LOW DISSIPATED. WITHIN 240 NM EITHER SIDE OF A 

LINE FROM 51N144W TO 44N156W...AND FROM 42N TO 46N BETWEEN 159W 

AND 170W WINDS 20 TO 30 KT. SEAS TO 12 FT.

.30 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF A LINE FROM 

60N147W TO 59N142W TO 54N139W WINDS 25 TO 35 KT. SEAS TO 12 FT.

.48 HOUR FORECAST FROM 42N TO 60N BETWEEN 140W AND 152W WINDS 20 

TO 30 KT. SEAS 8 TO 12 FT.



.SYNOPSIS AND FORECAST. 



.LOW 50N153W 1018 MB MOVING NE 20 KT. WITHIN 240 NM SW QUADRANT 

WINDS TO 25 KT. SEAS TO 8 FT. 

.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED IN SECOND 

GALE WARNING ABOVE.



.OVER FORECAST WATERS WITHIN 120 NM EITHER SIDE OF A LINE FROM 

57N138W TO 47N126W NW WINDS 20 TO 30 KT. SEAS TO 8 FT.

.24 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF A LINE FROM 

52N131W TO 47N126W NW WINDS TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST FROM 45N TO 50N BETWEEN 126W AND 129W N TO NW 

WINDS TO 25 KT. SEAS TO 8 FT.



.24 HOUR FORECAST FROM 39N TO 44N BETWEEN 124W AND 128W N WINDS 

20 TO 30 KT. SEAS TO 9 FT.

.48 HOUR FORECAST FROM 39N TO 45N BETWEEN 124W AND 129W N WINDS 

20 TO 30 KT. SEAS TO 10 FT.



.WITHIN 120 NM EITHER SIDE OF A LINE FROM 38N170W TO 32N178E TO 

34N165E NE TO E WINDS TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST WITHIN 120 NM EITHER SIDE OF A LINE FROM 

36N176W TO 32N176E TO 32N164E NE TO NE WINDS TO 25 KT. SEAS TO 8 

FT.

.48 HOUR FORECAST CONDITIONS DIMINISHED.



.24 HOUR FORECAST OVER FORECAST WATERS FROM 53N TO 57N W OF 170W 

AND NW OF A LINE FROM 57N177E TO 60N177W WINDS 20 TO 30 KT. SEAS 

TO 9 FT.

.48 HOUR FORECAST CONDITIONS DESCRIBED IN FIRST GALE WARNING 

ABOVE.



.24 HOUR FORECAST FROM 47N TO 49N BETWEEN 178E AND 169E W WINDS 

TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST FROM 42N TO 44N BETWEEN 160W AND 167W SW WINDS 

TO 25 KT. SEAS TO 8 FT.



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

WATERS FROM 48N TO 50N BETWEEN 149W AND 154W...AND FROM 46N TO 

60N W OF 169W. 

.24 HOUR FORECAST DENSE FOG FROM 43N TO 52N W OF 170W.

.48 HOUR FORECAST DENSE FOG N OF 44N W OF 170E AND FROM 52N TO 

55N BETWEEN 133W AND 136W.



.HIGH 43N146W 1026 MB MOVING NE 20 KT.

.24 HOUR FORECAST HIGH 46N136W 1023 MB.

.48 HOUR FORECAST HIGH 47N135W 1026 MB.



.HIGH 53N144W 1022 MB MOVING SE 20 KT.

.24 HOUR FORECAST HIGH MERGED WITH HIGH 46N136W.



.HIGH 42N175E 1032 MB MOVING W 05 KT.

.24 HOUR FORECAST HIGH 42N171E 1029 MB.

.48 HOUR FORECAST HIGH 42N168E 1026 MB.



.24 HOUR FORECAST NEW HIGH 34N164W 1019 MB.

.48 HOUR FORECAST HIGH DISSIPATED.



.48 HOUR FORECAST HIGH 55N174E 1025 MB.



.48 HOUR FORECAST NEW HIGH 31N127W 1018 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 1200 UTC SUN AUG 21.

24 HOUR FORECAST VALID 1200 UTC MON AUG 22.

48 HOUR FORECAST VALID 1200 UTC TUE AUG 23.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM KAY NEAR 21.2N 114.6W 1002 MB AT 1500 UTC AUG 21

MOVING NW OR 305 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 40 KT

GUSTS 50 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 WITH SEAS TO 16 FT.

ELSEWHERE WITHIN 120 NM N AND 60 NM S SEMICIRCLES WINDS 20 TO 33

KT. SEAS 8 TO 12 FT.

.24 HOUR FORECAST TROPICAL STORM KAY NEAR 22.0N 116.5W. MAXIMUM

SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS

WITHIN 0 NM W SEMICIRCLE...30 NM NE QUADRANT AND 20 NM SE

QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM N AND 30 NM S

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 22.9N

119.4W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. 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 NEAR 23.6N

122.8W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

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

.96 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.



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

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

.24 HOUR FORECAST LITTLE CHANGE. 

.48 HOUR FORECAST FROM 03N TO 08N BETWEEN 112W AND 118W AND S OF

02S BETWEEN 110W AND 114W 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 1500 UTC SUN AUG 21...



.TROPICAL STORM KAY...NUMEROUS STRONG WITHIN 45 NM OF THE CENTER

OF KAY. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM 19N TO

22N BETWEEN 112W AND 117W.



.TROPICAL WAVE AXIS NEAR 93W FROM 06N TO 15N. SCATTERED MODERATE

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



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH IS ALONG 09N84W TO 09N96W TO 11N105W TO 07N114W

TO 07N118W. SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM

SOUTH OF THE MONSOON TROUGH BETWEEN 84W AND 90W. SCATTERED

MODERATE ISOLATED STRONG WITHIN 90 NM SOUTH OF THE MONSOON

TROUGH BETWEEN 91W AND 97W. SCATTERED MODERATE ISOLATED STRONG

WITHIN 60 NM OF THE MONSOON TROUGH BETWEEN 101W AND 107W. 



$$



.FORECASTER AL. NATIONAL HURRICANE CENTER.

