

600 

FZPN01 KWBC 230404

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0000 UTC AUG 23. 

24 HOUR FORECAST VALID 0000 UTC AUG 24. 

48 HOUR FORECAST VALID 0000 UTC AUG 25. 



.WARNINGS. 



...GALE WARNING... 

.COMPLEX LOW WITH MAIN CENTER 61N162W 995 MB MOVING N 10 KT.

BETWEEN 120 NM AND 420 NM W AND NW QUADRANTS WINDS 30 TO 45 KT. 

SEAS 9 TO 16 FT. ELSEWHERE N AND W OF A LINE FROM 61N164W TO 

55N177W...AND FROM 43N TO 55N BETWEEN 173W AND 175E WINDS 20 TO 

30 KT. SEAS 8 TO 14 FT.   

.24 HOUR FORECAST INLAND LOW 64N161W 1008 MB. N OF 59N BETWEEN

166W AND 174W N WINDS 20 TO 30 KT. SEAS TO 10 FT.

.36 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.



...GALE WARNING... 

.FRONT EXTENDS FROM 55N136W TO 60N148W. WITHIN 60 NM N OF FRONT

W OF 140W WINDS 25 TO 35 KT. SEAS TO 9 FT. ELSEWHERE WITHIN 120

NM N OF ENTIRE FRONT WINDS TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST CONDITIONS DIMINISHED.



...GALE WARNING... 

.24 HOUR FORECAST OVER FORECAST WATERS NW OF A LINE FROM 49N161E

TO 54N173E AREA OF S TO SW WINDS 20 TO 30 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST N OF 54N BETWEEN 179W AND 174E WINDS 30 TO 45 

KT. SEAS 9 TO 15 FT. ELSEWHERE W AND NW OF A LINE 48N165E TO 

52N179E TO 61N177W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.



...GALE WARNING...

.48 HOUR FORECAST NEW LOW 35N166W 1008 MB. WITHIN 480 NM NE 

QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE WITHIN 

960 NM NE AND 540 NM SE QUADRANTS N OF 30N WINDS 20 TO 30 KT. 

SEAS TO 12 FT.



.SYNOPSIS AND FORECAST. 



.FROM 39N TO 45N E OF 130W AREA OF N WINDS 20 TO 30 KT. SEAS TO 

8 FT.

.24 HOUR FORECAST FROM 38N TO 52N E OF 130W AREA OF N TO NW 

WINDS 20 TO 30 KT. SEAS TO 9 FT.

.48 HOUR FORECAST FROM 37N TO 55N E OF 134W AREA OF N TO NW 

WINDS 20 TO 30 KT. SEAS TO 11 FT.



.LOW 45N152W 1015 MB MOVING NE 10 KT. WITHIN 780 NM N AND NE AND 

300 NM SE...AND 360 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 

11 FT. 

.24 HOUR FORECAST LOW DISSIPATED WITH A NEW COMPLEX LOW WITH 

MEAN CENTER 49N164W 1000 MB. FROM 40N TO 54N BETWEEN 143W AND 

163W WINDS 20 TO 30 KT. SEAS TO 11 FT.

.48 HOUR FORECAST LOW 58N159W 1014 MB. WITHIN 480 NM SE QUADRANT 

WINDS TO 25 KT. SEAS TO 8 FT.



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

FROM 43N TO 51N W OF 171W.

.24 HOUR FORECAST DENSE FOG FROM 45N TO 55N BETWEEN 144W AND

159W...FROM 44N TO 55N W OF 169E.

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

161W...AND FROM 44N TO 57N W OF 177E.



.HIGH 32N127W 1018 MB MOVING NW 10 KT.

.24 HOUR FORECAST HIGH 33N130W 1021 MB.

.48 HOUR FORECAST HIGH DISSIPATED.



.HIGH 47N135W 1027 MB MOVING NW 10 KT WILL TURN W AFTER 24 HOURS.

.24 HOUR FORECAST HIGH 49N136W 1031 MB. 

.48 HOUR FORECAST HIGH 49N140W 1038 MB. 



.HIGH 32N161W 1018 MB MOVING E 10 KT.

.24 HOUR FORECAST HIGH DISSIPATED.



.HIGH 41N170E 1028 MB MOVING W 10 KT. 

.24 HOUR FORECAST HIGH 41N165E 1026 MB. 

.48 HOUR FORECAST HIGH DISSIPATED.



.24 HOUR FORECAST HIGH 58N178E 1022 MB. 

.48 HOUR FORECAST HIGH 55N176W 1024 MB. 



.24 HOUR FORECAST HIGH 50N174E 1025 MB. 

.48 HOUR FORECAST HIGH 45N176E 1026 MB. 



.48 HOUR FORECAST HIGH 62N170W 1021 MB. 



.FORECASTER MILLS. 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 0000 UTC TUE AUG 23.

24 HOUR FORECAST VALID 0000 UTC WED AUG 24.

48 HOUR FORECAST VALID 0000 UTC THU AUG 25.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM KAY NEAR 22.0N 118.8W 1004 MB AT 0300 UTC AUG 23

MOVING W OR 270 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS

45 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM OF CENTER...EXCEPT

40 NM NW QUADRANT OF CENTER. SEAS 12 FT OR GREATER WITHIN 30 NM 

OF CENTER...EXCEPT 60 NM NE QUADRANT 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.

.12 HOUR FORECAST TROPICAL DEPRESSION KAY NEAR 22.3N 119.9W.

MAXIMUM WINDS 30 KT GUSTS 40 KT WITHIN 30 NM OF CENTER.

ELSEWHERE WITHIN 60 NM OF CENTER WINDS 20 TO 30 KT. SEAS 8 TO 10

FT. 

.24 HOUR FORECAST TROPICAL DEPRESSION KAY NEAR 22.6N 121.4W.

WITHIN 60 NM NW SEMICIRCLE WINDS 20 TO 25 KT WITH GUSTS TO 35 KT

SEAS 8 TO 10 FT. WITHIN 30 SE SEMICIRCLE OF CENTER WINDS 

20 TO 25 KT. SEAS 8 TO 10 FT.

.48 HOUR FORECAST POST-TROPICAL REMNANT LOW KAY NEAR 22.8N

124.8W. WITHIN 60 NW SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 9 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.



.LOW PRES NEAR 10N112W 1008 MB. FROM 07N TO 09N BETWEEN 110W

AND 115W S TO SW WINDS 20 TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST LOW PRES NEAR 10N115W 1007 MB. FROM 06N TO 10N

BETWEEN 110W AND 117W S TO SW WINDS 20 TO 25 KT. SEAS TO 9 FT. 

ELSEWHERE FROM 05N TO 13N BETWEEN 111W AND 119W WINDS 20 KT OR

LESS. SEAS 8 FT IN MIXED SWELL.

.48 HOUR FORECAST LOW PRES NEAR 11N121W 1007 MB. WITHIN 120 NM

SE SEMICIRCLE AND 60 NM NW SEMICIRCLE OF LOW WINDS 20 TO 25 KT.

SEAS TO 9 FT.



.TROPICAL WAVE AXIS ALONG 98W FROM 08N TO 15N WITH LOW PRES NEAR

10N98W 1009 MB. FROM 11N TO 14N E OF WAVE AND LOW TO 95W E TO SE

WINDS 20 TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST TROPICAL WAVE AXIS ALONG 105W WITH LOW PRES

...POSSIBLE TROPICAL CYCLONE...NEAR 11N102W 1009 MB. WITHIN 120

NM E OF WAVE AND LOW E TO SE WINDS 20 TO 25 KT. SEAS TO 9 FT.

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

14N109W 1007 MB. WITHIN 90 NM NE AND 60 NM SW SEMICIRCLES WINDS

20 TO 30 KT. SEAS 8 TO 10 FT.



.S OF 03S BETWEEN 105W AND 119W WINDS 20 KT OR LESS. SEAS 8 FT

IN MIXED SE AND SW SWELL.

.24 HOUR FORECAST S OF 02S BETWEEN 108W AND 118W WINDS 20 KT OR

LESS. SEAS 8 FT PRIMARILY IN SW SWELL. 

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



.09 HOUR FORECAST FROM 10N TO 12N E OF 87W...INCLUDING THE GULF

OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

.24 HOUR FORECAST LITTLE CHANGE.

.36 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 10.5N86W

TO 10N88W...INCLUDING THE GULF OF PAPAGAYO...WINDS 20 KT OR LESS.

SEAS 8 FT IN NE SWELL.

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



.12 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 15N95.5W

...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25

KT. SEAS 8 FT.

.21 HOUR FORECAST WINDS 20 KT OR LESS. WITHIN 30 NM OF LINE FROM

16N95W TO 14N96W WINDS 20 KT OR LESS. SEAS TO 8 FT IN NE SWELL.

.24 HOUR FORECAST LITTLE CHANGE.

.27 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 14.5N95.5W

...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25

KT. SEAS 8 FT.

.36 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING

THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 8 TO

10 FT.

.45 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 13N96W

WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.

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

TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20

TO 25 KT. SEAS TO 9 FT.



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



CONVECTION VALID AT 0300 UTC TUE AUG 23...



.TROPICAL STORM KAY...SCATTERED MODERATE WITHIN 90 NM NW

QUADRANT.



.TROPICAL WAVE AXIS NEAR ALONG 98W FROM 08N TO 15N WITH LOW PRES

NEAR 10N98W 1009 MB. SCATTERED MODERATE ISOLATED STRONG WITHIN

120 NM SE QUADRANT OF LOW. SCATTERED MODERATE WITHIN 60 NM W OF

WAVE.



.LOW PRES NEAR 10N112W 1008 MB...SCATTERED MODERATE ISOLATED

STRONG WITHIN 60 NM SE QUADRANT.



.SCATTERED MODERATE WITHIN 30 NM OF 15N93W.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH AXIS EXTENDS FROM 10N85W TO 10N92W TO LOW

PRESSURE NEAR 10N98W 1009 MB TO 10N109W TO LOW PRESSURE NEAR

10N112W 1008 MB TO 09N121W TO 10N134W. THE ITCZ AXIS EXTENDS

FROM 10N134W TO BEYOND 08N140W. SCATTERED MODERATE ISOLATED

STRONG WITHIN 180 NM S OF THE AXIS BETWEEN 114W AND 117W.

SCATTERED MODERATE WITHIN 120 NM S OF THE AXIS BETWEEN 107W AND

111W. SCATTERED MODERATE WITHIN 120 NM S OF THE AXIS BETWEEN

119W AND 121W.



$$

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

