

507 

FZPN01 KWBC 031531

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1200 UTC AUG 03. 

24 HOUR FORECAST VALID 1200 UTC AUG 04. 

48 HOUR FORECAST VALID 1200 UTC AUG 05. 



.WARNINGS. 



...GALE WARNING... 

.FROM 37N TO 43N BETWEEN 124W AND 127W AREA OF N WINDS 25 TO 35 

KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 34N TO 44N BETWEEN 123W AND 

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

.24 HOUR FORECAST FROM 37N TO 44N BETWEEN 124W AND 129W AREA OF 

N WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWEHRE FROM 34N TO 50N 

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

.48 HOUR FORECAST FROM 38N TO 43N BETWEEN 124W AND 128W AREA OF 

N WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE E OF A LINE FROM 

55N136W TO 44N133W TO 33N128W N WINDS 20 TO 30 KT. SEAS TO 11 FT.



.SYNOPSIS AND FORECAST. 



.LOW 51N167E 1009 MB MOVING SE 20 KT. WITHIN 480 NM S QUADRANT  

WINDS 20 TO 30 KT. SEAS TO 10 FT. 

.24 HOUR FORECAST LOW 49N179E 1011 MB. FROM 42N TO 48N BETWEEN 

172W AND 172E WINDS 20 TO 30 KT. SEAS TO 9 FT.  

.48 HOUR FORECAST LOW 49N170W 1012 MB. WITHIN 480 NM S AND SE 

QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT. 



.LOW 51N175W 1012 MB MOVING NE 15 KT. FROM 43N TO 55N BETWEEN 

159W AND 169W S TO SW WINDS TO 25 KT. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST LOW 56N168W 1009 MB. WITHIN 300 NM E OF A LINE 

FROM 57N159W TO 51N162W TO 45N167W S TO SW WINDS 20 TO 30 KT. 

SEAS TO 10 FT. 

.48 HOUR FORECAST LOW INLAND 61N164W 1007 MB. WITHIN 240 NM E OF 

A LINE FROM 58N152W TO 52N157W SW WINDS TO 25 KT. SEAS TO 9 FT. 



.24 HOUR FORECAST OVER FORECAST WATERS W OF A LINE FROM 48N168E 

TO 42N162E S TO SW WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST LOW NW OF AREA 53N162E 999 MB. BETWEEN 300 NM 

AND 660 NM S AND SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11 FT. 



.48 HOUR FORECAST FROM 30N TO 34N BETWEEN 171E AND 160E AREA OF 

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



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 55N 

BETWEEN 141W AND 170W AND FROM 41N TO 61N W OF 176W. 

.24 HOUR FORECAST DENSE FOG FROM 42N TO 57N BETWEEN 141W AND 

167W AND FROM 38N TO 58N W OF 174W. 

.48 HOUR FORECAST DENSE FOG FROM 42N TO 55N BETWEEN 147W AND 

168W AND FROM 38N TO 56N W OF 179W. 



.HIGH 44N147W 1038 MB DRIFTING NW. 

.24 HOUR FORECAST HIGH 45N148W 1037 MB. 

.48 HOUR FORECAST HIGH 46N147W 1035 MB. 



.HIGH 60N167W 1022 MB MOVING NW 10 KT.

.24 HOUR FORECAST HIGH DISSIPATED. 



.HIGH 39N175E 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 1200 UTC WED AUG 03.

24 HOUR FORECAST VALID 1200 UTC THU AUG 04.

48 HOUR FORECAST VALID 1200 UTC FRI AUG 05.



.WARNINGS.



...HURRICANE WARNING...

.TROPICAL STORM IVETTE NEAR 14.6N 120.4W 1004 MB AT 1500 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...30 NM

SE...0 NM SW AND 40 NM NW QUADRANTS. SEAS 9 TO 11 FT. ELSEWHERE

WITHIN 210 NM NE AND 45 NM SW SEMICIRCLES WINDS 20 TO 33 KT.

SEAS TO 10 FT. 

.24 HOUR FORECAST TROPICAL STORM IVETTE NEAR 15.2N 125.6W.

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

WINDS WITHIN 70 NM N SEMICIRCLE...60 NM SE QUADRANT AND 40 NM SW

QUADRANT. SEAS 12 FT OR GREATER WITHIN 100 NM N AND 30 S

SEMICIRCLES WITH SEAS TO 18 FT. ELSEWHERE WITHIN 240 NM NW AND

90 NM SE SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.

.48 HOUR FORECAST HURRICANE IVETTE NEAR 15.6N 130.8W. MAXIMUM

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

WITHIN 90 NM NE...70 NM SE...60 NM SW AND 80 NM NW QUADRANTS.

SEAS 12 FT OR GREATER WITHIN 150 NM NW AND 90 NM SE SEMICIRCLES

WITH SEAS TO 26 FT. ELSEWHERE WITHIN 240 NM NW AND 120 NM SE

SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.

.72 HOUR FORECAST HURRICANE IVETTE NEAR 16.5N 135.1W. MAXIMUM

SUSTAINED WINDS 80 KT GUSTS 100 KT.

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

.96 HOUR FORECAST HURRICANE IVETTE NEAR 18.0N 138.5W. MAXIMUM

SUSTAINED WINDS 75 KT GUSTS 90 KT.

.120 HOUR FORECAST HURRICANE IVETTE NEAR 19.0N 141.5W. MAXIMUM

SUSTAINED WINDS 65 KT GUSTS 80 KT.



...TROPICAL STORM WARNING...

.TROPICAL STORM HOWARD NEAR 21.1N 133.8W 1006 MB AT 1500 UTC AUG

03 MOVING WNW OR 295 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 35 KT

GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE...60 NM

SE...0 NM SW AND 50 NM NW QUADRANTS. SEAS 12 FT OR GREATER

WITHIN 150 NM NE...60 NM SE...90 NM SW AND 120 NM NW QUADRANTS

WITH SEAS TO 18 FT. ELSEWHERE WITHIN 240 NM N SEMICIRCLE...150

NM SE AND 90 NM SW QUADRANTS WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.

REMAINDER AREA FROM 17N TO 25N BETWEEN 128W AND 137W WINDS 20 KT

OR LESS. SEAS TO 10 FT IN MIXED SWELL.

.24 HOUR FORECAST POST-TROPICAL REMNANT LOW HOWARD NEAR 22.1N

138.8W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. SEAS 12 FT OR

GREATER WITHIN 120 NM NW AND 30 NM SE SEMICIRCLES WITH SEAS TO

16 FT. ELSEWHERE OVER FORECAST WATERS WITHIN 210 NM N AND 75 NM

SE SEMICIRCLES WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. REMAINDER

AREA FROM 18N TO 28N W OF 135W WINDS 20 KT OR LESS. SEAS TO 10

FT IN MIXED SWELL.

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

NEAR 22.6N 144.6W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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 22.6N 149.8W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.

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

.96 HOUR FORECAST POST-TROPICAL REMNANT LOW HOWARD NEAR 22.0N

154.8W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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.

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

.24 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.

.36 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 1500 UTC WED AUG 3...



.TROPICAL STORM IVETTE...SCATTERED MODERATE TO STRONG WITHIN 120

NM OF 14N121W. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM

12N TO 15N BETWEEN 119W AND 123W.



.TROPICAL STORM HOWARD...NO SIGNIFICANT CONVECTION.  



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

DISCONTINUOUS MONSOON TROUGH FROM 10N102W TO 12N113W...AND FROM

11N122W TO 08N132W. ITCZ FROM 12N136W TO BEYOND 12N140W.

SCATTERED MODERATE FROM 09N TO 12N BETWEEN 105W AND 110W.

SCATTERED MODERATE ISOLATED STRONG FROM 08N TO 13N BETWEEN 83W

AND 93W. 



$$

.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.

