

352 

FZPN01 KWBC 032137

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

2230 UTC WED AUG 03 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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). 



PAN PAN 



PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT 

TO 50N 160E 



SYNOPSIS VALID 1800 UTC AUG 03. 

24 HOUR FORECAST VALID 1800 UTC AUG 04. 

48 HOUR FORECAST VALID 1800 UTC AUG 05. 



.WARNINGS. 



...GALE WARNING... 

.FROM 37N TO 43N BETWEEN 124W AND 128W AREA OF N WINDS 25 TO 35 

KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 34N TO 46N BETWEEN 124W AND 

131W AREA OF N WINDS 20 TO 30 KT. SEAS TO 9 FT. 

.24 HOUR FORECAST FROM 37N TO 45N BETWEEN 124W AND 129W AREA OF 

N WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM 33N TO 50N 

BETWEEN 123W AND 132W AREA OF N WINDS 20 TO 30 KT. SEAS TO 10 

FT. .48 HOUR FORECAST FROM 38N TO 42N BETWEEN 124W AND 127W AREA 

OF N WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE E OF A LINE 

FROM 55N139W TO 47N138W TO 35N129W N WINDS 20 TO 30 KT. SEAS TO 

11 FT. 

.SYNOPSIS AND FORECAST. 



.LOW 51N170E 1007 MB MOVING SE 20 KT. FROM 43N TO 49N BETWEEN 

160E AND 177E AREA OF W TO SW WINDS 20 TO 30 KT. SEAS TO 10 FT. 

.24 HOUR FORECAST LOW 49N177W 1011 MB. FROM 41N TO 48N BETWEEN 

169W AND 176E AREA OF W TO SW WINDS 20 TO 30 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST LOW 53N167W 1010 MB. WITHIN 260 NM E AND 540 

NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 8 FT. 



.LOW 52N174W 1010 MB MOVING NE 15 KT. FROM 43N TO 55N BETWEEN 

156W AND 167W AREA OF S TO SW WINDS TO 25 KT. SEAS LESS THAN 8 

FT. 

.24 HOUR FORECAST LOW 57N167W 1008 MB. WITHIN 300 NM E OF A LINE 

FROM 57N157W TO 51N160W TO 45N164W AREA OF S TO SW WINDS 20 TO 

30 KT. SEAS TO 10 FT. 

.48 HOUR FORECAST LOW INLAND 59N168W 1005 MB WITH CONDITIONS 

DIMINISHED. 



.24 HOUR FORECAST OVER FORECAST WATERS W OF A LINE FROM 50N168E 

TO 40N164E S TO SW WINDS 20 TO 30 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST LOW NW OF AREA 53N162E 998 MB. WITHIN 300 NM S 

OF A LINE FROM 50N179E TO 47N168E TO 46N160E AREA OF SW WINDS 20 

TO 30 KT. SEAS TO 11 FT. 



.24 HOUR FORECAST FROM 30N TO 33N BETWEEN 160E AND 168E AREA OF 

SE WINDS TO 25 KT. SEAS TO 9 FT.

.48 HOUR FORECAST FROM 30N TO 34N BETWEEN 160E AND 170E AREA OF 

E TO SE WINDS 20 TO 30 KT. SEAS TO 11 FT. 



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 55N 

BETWEEN 140W AND 170W AND N OF 40N W OF 177W. 

.24 HOUR FORECAST DENSE FOG FROM 43N TO 56N BETWEEN 140W AND 

164W AND NW OF A LINE FROM 38N160E TO 45N170W. 

.48 HOUR FORECAST DENSE FOG FROM 44N TO 55N BETWEEN 146W AND 

165W AND FROM 38N TO 54N W OF 177W. 



.HIGH 45N147W 1040 MB NEARLY STATIONARY. 

.24 HOUR FORECAST LITTLE CHANGE. 

.48 HOUR FORECAST LITTLE CHANGE. 



.HIGH 38N175E 1028 MB NEARLY STATIONARY. 

.24 HOUR FORECAST LITTLE CHANGE. 

.48 HOUR FORECAST LITTLE CHANGE. 



.FORECASTER KOSIER. 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 WED AUG 03.

24 HOUR FORECAST VALID 1800 UTC THU AUG 04.

48 HOUR FORECAST VALID 1800 UTC FRI AUG 05.



.WARNINGS.



...HURRICANE WARNING...

.TROPICAL STORM IVETTE NEAR 14.9N 122.0W 1004 MB AT 2100 UTC AUG

03 MOVING WNW OR 285 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 40 KT

GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM NE

QUADRANT...30 NM SE QUADRANT...0 NM SW QUADRANT...AND 40 NM NW

QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM OF CENTER EXCEPT 90

NM NE QUADRANT WITH SEAS TO 13 FT. ELSEWHERE WITHIN 210 NM NE

AND 30 NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.

.24 HOUR FORECAST TROPICAL STORM IVETTE NEAR 15.4N 127.1W.

MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE

WINDS WITHIN 80 NM NE QUADRANT...60 NM SE QUADRANT...40 NM SW

QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN

120 NM NE AND 30 SW SEMICIRCLES WITH SEAS TO 18 FT. ELSEWHERE

WITHIN 210 NM NE AND 120 NM SW SEMICIRCLES WINDS 20 TO 33 KT.

SEAS 8 TO 11 FT.

.48 HOUR FORECAST HURRICANE IVETTE NEAR 15.8N 131.8W. MAXIMUM

SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS

WITHIN 100 NM NE QUADRANT...80 NM SE QUADRANT...60 NM SW

QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN

120 NM NW SEMICIRCLE AND NE QUADRANT AND 90 NM SE QUADRANT WITH

SEAS TO 24 FT. ELSEWHERE WITHIN 240 NM NW SEMICIRCLE AND NE

QUADRANT AND 150 NM SE QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 11

FT.

.72 HOUR FORECAST HURRICANE IVETTE NEAR 17.0N 135.7W. MAXIMUM

SUSTAINED WINDS 80 KT GUSTS 100 KT.

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

.96 HOUR FORECAST HURRICANE IVETTE NEAR 18.5N 139.5W. MAXIMUM

SUSTAINED WINDS 75 KT GUSTS 90 KT.

.120 HOUR FORECAST TROPICAL STORM IVETTE NEAR 19.5N 142.5W.

MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.



...GALE WARNING...

.POST-TROPICAL CYCLONE HOWARD NEAR 21.3N 135.2W 1007 MB AT 2100

UTC AUG 03 MOVING WNW OR 290 DEG AT 14 KT. MAXIMUM SUSTAINED

WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER WITHIN 180 NM

NE AND 60 NM SW SEMICIRCLES WITH SEAS TO 18 FT. ELSEWHERE WITHIN

300 NM NW AND NE QUADRANTS...180 NM SE AND 300 NM SW QUADRANTS

WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.

.24 HOUR FORECAST POST-TROPICAL REMNANT LOW HOWARD W OF AREA

NEAR 22.1N 140.2W. OVER FORECAST WATERS FROM 22N TO 25N W OF

138W SEAS 12 FT OR GREATER WITH SEAS TO 17 FT. ELSEWHERE OVER

FORECAST WATERS FROM 19N TO 28N W OF 136W WINDS 20 TO 33 KT.

SEAS 8 TO 11 FT.

.48 HOUR FORECAST POST-TROPICAL REMNANT LOW HOWARD W OF AREA

NEAR 22.3N 146.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

OVER FORECAST WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.72 HOUR FORECAST POST-TROPICAL REMNANT LOW HOWARD W OF AREA

NEAR 22.0N 151.5W. 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 HOWARD NEAR 21.5N

156.5W. 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.



.GULF OF TEHUANTEPEC N OF 14.5N BETWEEN 94.5W AND 95.5W N WINDS

20 TO 25 KT. SEAS TO 9 FT.

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

.12 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14.5N BETWEEN 94.5W

AND 95.5W N WINDS 20 TO 25 KT. SEAS TO 9 FT.

.24 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 2030 UTC WED AUG 3...



.TROPICAL STORM IVETTE...NUMEROUS MODERATE TO SCATTERED STRONG

SW SEMICIRCLE WITHIN 120 NM. SCATTERED MODERATE ISOLATED STRONG

ELSEWHERE FROM 11N TO 18N BETWEEN 120W AND 125W.



.TROPICAL STORM HOWARD...NO SIGNIFICANT CONVECTION.  



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

DISCONTINUOUS MONSOON TROUGH FROM 11N99W TO LOW PRES 10N107W

1013 MB TO 10N107W TO 11N114W. ITCZ FROM 13N137W TO BEYOND

12N140W. SCATTERED MODERATE ISOLATED STRONG FROM 05N TO 13N

BETWEEN 77W AND 92W AND FROM 07N TO 14N BETWEEN 103W AND 112W.



$$

.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.

