

609 

FZPN01 KWBC 040957

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1030 UTC THU AUG 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC AUG 04. 

24 HOUR FORECAST VALID 0600 UTC AUG 05. 

48 HOUR FORECAST VALID 0600 UTC AUG 06. 



.WARNINGS. 



...GALE WARNING... 

.FROM 38N TO 43N BETWEEN 124W AND 128W AREA OF N WINDS 25 TO 35 

KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 36N TO 46N BETWEEN 124W AND 

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

.24 HOUR FORECAST FROM 40N TO 44N BETWEEN 124W AND 127W AREA OF 

N WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 36N TO 50N 

BETWEEN 123W AND 130W AREA OF N WINDS 20 TO 30 KT. SEAS TO 10 

FT. .48 HOUR FORECAST FROM 36N TO 43N BETWEEN 123W AND 127W AREA 

OF N WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 



.SYNOPSIS AND FORECAST. 



.LOW 49N178E 1008 MB MOVING E 20 KT. WITHIN 360 NM S QUADRANT 

WINDS 20 TO 30 KT. SEAS TO 10 FT. 

.24 HOUR FORECAST LOW 50N170W 1009 MB. WITHIN 420 NM S AND 360 

NM SE QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DESCRIBED WITH 

LOW 59N169W.



.LOW 54N171W 1009 MB MOVING NE 10 KT. FRONT FROM 55N161W TO 

45N167W. WITHIN 240 NM E OF FRONT WINDS TO 25 KT. SEAS LESS THAN 

8 FT. 

.24 HOUR FORECAST LOW 57N168W 1007 MB. WITHIN 360 NM E OF A LINE 

FROM 58N155W TO 53N160W TO 49N160W AREA OF S TO SW WINDS TO 25 

KT. SEAS TO 9 FT. 

.48 HOUR FORECAST LOW 59N169W 999 MB. FROM 48N TO 57N BETWEEN 

160W AND 150W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. ALSO WITHIN 

300 NM NW AND 300 NM SE QUADRANTS WINDS TO 25 KT. SEAS LESS THAN 

8 FT. 



.24 HOUR FORECAST W OF A LINE FROM 49N172E TO 45N172E TO 40N160E 

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

.48 HOUR FORECAST WITHIN 360 NM S OF A LINE FROM 51N171W TO 

49N170E TO 47N160E AREA OF SW WINDS 20 TO 30 KT. SEAS TO 12 FT. 



.24 HOUR FORECAST FROM 30N TO 32N BETWEEN 160E AND 165E AREA OF 

SE WINDS TO 25 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST FROM 30N TO 34N BETWEEN 160E AND 169E AREA OF 

E TO SE WINDS TO 25 KT. SEAS TO 9 FT. 



.48 HOUR FORECAST FROM 47N TO 56N BETWEEN 130W AND 138W AREA OF 

NW WINDS 20 TO 30 KT. SEAS TO 11 FT. 



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 56N 

BETWEEN 140W AND 177E AND N OF 43N W OF 177E. 

.24 HOUR FORECAST DENSE FOG FROM 45N TO 57N BETWEEN 139W AND 

177W AND N OF 40N W OF 180W. 

.48 HOUR FORECAST DENSE FOG FROM 44N TO 56N BETWEEN 145W AND 

160W AND FROM 39N TO 54N W OF 170W. 



.HIGH 45N149W 1038 MB NEARLY STATIONARY. 

.24 HOUR FORECAST HIGH 45N147W 1036 MB. 

.48 HOUR FORECAST HIGH 45N145W 1035 MB. 



.HIGH 38N179W 1027 MB MOVING W 10 KT AND SLOWING. 

.24 HOUR FORECAST HIGH 37N176W 1027 MB. 

.48 HOUR FORECAST HIGH 37N174W 1027 MB. 



.FORECASTER ROWLAND. 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 THU AUG 04.

24 HOUR FORECAST VALID 0600 UTC FRI AUG 05.

48 HOUR FORECAST VALID 0600 UTC SAT AUG 06.



.WARNINGS.



...HURRICANE WARNING...

.TROPICAL STORM IVETTE NEAR 14.7N 124.7W 1004 MB AT 0900 UTC AUG

04 MOVING W OR 275 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 40 KT

GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N

SEMICIRCLE...40 NM SE QUADRANT AND 0 NM SW QUADRANT. SEAS 12 FT

OR GREATER WITHIN 90 NM N SEMICIRCLE...60 NM SE QUADRANT AND 0

NM SW QUADRANT WITH SEAS TO 15 FT. ELSEWHERE WITHIN 180 NM

NE...120 NM SE...30 NM SW...AND 210 NM NW QUADRANTS WINDS 20 TO

33 KT. SEAS 8 TO 11 FT. REMAINDER FROM 13N TO 19N BETWEEN 121W

AND 127W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.

.24 HOUR FORECAST TROPICAL STORM IVETTE NEAR 14.9N 129.2W.

MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE

WINDS WITHIN 80 NM NE QUADRANT...60 NM SE QUADRANT...30 NM SW

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

180 NM NW AND 75 NM SE SEMICIRCLES WITH SEAS TO 18 FT. ELSEWHERE

WITHIN 240 NM NW AND 120 NM SE SEMICIRCLES WINDS 20 TO 33 KT.

SEAS 8 TO 11 FT. REMAINDER OF AREA FROM 12N TO 20N BETWEEN 126W

AND 133W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.

.48 HOUR FORECAST HURRICANE IVETTE NEAR 15.8N 133.2W. MAXIMUM

SUSTAINED WINDS 65 KT GUSTS 80 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

180 NM NW AND 90 NM SE SEMICIRCLES WITH SEAS TO 27 FT. ELSEWHERE

WITHIN 210 NM N AND 90 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS

8 TO 11 FT. REMAINDER OF AREA FROM 11N TO 22N BETWEEN 130W AND

139W WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL.

.72 HOUR FORECAST HURRICANE IVETTE NEAR 16.9N 136.7W. MAXIMUM

SUSTAINED WINDS 70 KT GUSTS 85 KT.

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

.96 HOUR FORECAST TROPICAL STORM IVETTE NEAR 18.3N 140.0W.

MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.

.120 HOUR FORECAST TROPICAL STORM IVETTE NEAR 19.3N 143.0W.

MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.



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.



.POST-TROPICAL REMNANT LOW HOWARD NEAR 21.5N137W. MAXIMUM

SUSTAINED WINDS 30 KT GUSTS 40 KT. OVER FORECAST WATERS WITHIN

240 NM NE...60 NM SE...120 NM SW...AND 360 NM NW QUADRANTS WINDS

20 TO 30 KT. SEAS 8 TO 16 FT. ELSEWHERE FROM 16N TO 28N W OF

133W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL. 

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

NEAR 22.5N143.5W. OVER FORECAST WATERS FROM 23N TO 26N W OF 139W

NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 

.36 HOUR FORECAST CONDITIONS SHIFT W OF AREA. WINDS 20 KT OR

LESS. SEAS LESS THAN 8 FT.



.GULF OF TEHUANTEPEC N OF 14N BETWEEN 94W AND 95.5W NW TO N

WINDS 20 TO 30 KT. SEAS TO 9 FT.

.18 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 0900 UTC WED AUG 4...



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

45 NM NE AND 120 NM SW SEMICIRCLES. 



.POST-TROPICAL REMNANT LOW HOWARD...SCATTERED MODERATE WITHIN

120 NM N SEMICIRCLE. 



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

DISCONTINUOUS MONSOON TROUGH EXTENDS FROM 13.5N90W TO 12.5N97W

TO 08N113W TO 10N117W. ITCZ EXTENDS FROM 10.5N128W TO 09N140W.

SCATTERED MODERATE TO STRONG CONVECTION NOTED FROM 03N TO 06.5N

E OF 80W. SCATTERED TO NUMEROUS MODERATE TO STRONG CONVECTION

NOTED N OF 10N BETWEEN 87W AND 97W. WIDELY SCATTERED MODERATE

ISOLATED STRONG CONVECTION NOTED WITHIN 180 NM N OF TROUGH

BETWEEN 107W AND 115W. WIDELY SCATTERED MODERATE TO STRONG

CONVECTION NOTED WITHIN 120 NM N AND 90 NM S OF ITCZ BETWEEN

128W AND 139W. 



$$

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

