

731 

FZPN02 KWBC 021725

HSFEPI



HIGH SEAS FORECAST FOR METAREA XII

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1745 UTC TUE AUG 02 2016



CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 02. 

24 HOUR FORECAST VALID 1200 UTC AUG 03. 

48 HOUR FORECAST VALID 1200 UTC AUG 04. 



.WARNINGS. 



...GALE WARNING... 

.OVER FORECAST WATERS FROM 39N TO 42N BETWEEN 124W AND 127W AREA 

OF N WINDS 25 TO 35 KT. SEAS TO 11 FT. ELSEWHERE FROM 34N TO 43N 

BETWEEN 122W AND 132W AREA OF N TO NE WINDS TO 25 KT. SEAS TO 9 

FT. 

.24 HOUR FORECAST FROM 37N TO 43N BETWEEN 124W AND 128W AREA OF 

N WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 33N TO 43N 

BETWEEN 122W AND 133W AREA OF N TO NE WINDS TO 25 KT. SEAS TO 10 

FT. 

.48 HOUR FORECAST FROM 38N TO 45N BETWEEN 124W AND 129W AREA OF 

N WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE FROM 32N TO 50N 

BETWEEN 121W AND 134W AREA OF N TO NE WINDS 20 TO 30 KT. SEAS TO 

10 FT. 



...GALE WARNING... 

.12 HOUR FORECAST FROM 43N TO 51N W OF 166E AREA OF SW WINDS 20 

TO 30 KT. SEAS TO 9 FT. 

.24 HOUR FORECAST LOW 50N166E 1011 MB. BETWEEN 120 NM AND 300 NM 

SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE 

BETWEEN 60 NM AND 420 NM S AND SE SEMICIRCLES WINDS TO 25 KT. 

SEAS TO 10 FT. 

.48 HOUR FORECAST LOW 49N178W 1012 MB. WITHIN 240 NM SE AND 420 

NM W AND SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.



.SYNOPSIS AND FORECAST. 



.FROM 49N TO 57N BETWEEN 130W AND 137W AREA OF N TO NW WINDS TO 

25 KT. SEAS TO 8 FT. 

.24 HOUR FORECAST FROM 46N TO 55N BETWEEN 126W AND 135W AREA OF 

N TO NW WINDS TO 25 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST CONDITIONS DESCRIBED ABOVE WITH FIRST GALE 

WARNING. 



.LOW 60N152W 1013 MB MOVING NE 10 KT. FRONT EXTENDS FROM 58N149W 

TO 56N147W TO 51N156W. WITHIN 240 NM E AND SE OF FRONT WINDS TO 

25 KT. SEAS TO 8 FT. 

.24 HOUR FORECAST INLAND LOW 62N147W 1016 MB. FROM 54N TO 58N 

BETWEEN 142W AND 154W WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED. 



.LOW 49N179W 1010 MB MOVING NE 10 KT. WITHIN 480 NM SE QUADRANT 

WINDS TO 25 KT. SEAS LESS THAN 8 FT. 

.24 HOUR FORECAST LOW 52N175W 1011 MB. WITHIN 540 NM SE QUADRANT 

WINDS TO 25 KT. SEAS LESS THAN 8 FT. 

.48 HOUR FORECAST LOW 55N170W 1010 MB. BETWEEN 180 NM AND 660 NM 

E AND SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.



.24 HOUR FORECAST FROM 30N TO 34N BETWEEN 135W AND 154W AREA OF 

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

.48 HOUR FORECAST LITTLE CHANGE. 



.48 HOUR FORECAST FROM 30N TO 33N BETWEEN 170E AND 160E AREA OF 

E WINDS TO 25 KT. SEAS TO 10 FT. 



.48 HOUR FORECAST FROM 42N TO 49N BETWEEN 166E AND 160E AREA OF 

SW WINDS TO 25 KT. SEAS TO 9 FT. 



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

WATERS FROM 42N TO 57N W OF 150W. 

.24 HOUR FORECAST DENSE FOG FROM 40N TO 57N W OF 146W. 

.48 HOUR FORECAST DENSE FOG FROM 39N TO 57N W OF 147W. 



.HIGH 45N146W 1036 MB MOVING W 05 KT.

.24 HOUR FORECAST HIGH 45N149W 1037 MB.

.48 HOUR FORECAST HIGH 45N149W 1037 MB.



.HIGH 57N168W 1023 MB MOVING NE 10 KT. 

.24 HOUR FORECAST HIGH 60N163W 1021 MB. 

.48 HOUR FORECAST HIGH DISSIPATED.



.HIGH 40N167E 1026 MB MOVING E 10 KT. 

.24 HOUR FORECAST HIGH 40N173E 1028 MB. 

.48 HOUR FORECAST HIGH 39N173E 1027 MB.



.FORECASTER NOLT. 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 TUE AUG 02.

24 HOUR FORECAST VALID 1200 UTC WED AUG 03.

48 HOUR FORECAST VALID 1200 UTC THU AUG 04.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM HOWARD NEAR 18.8N 128.9W 999 MB AT 1500 UTC AUG

02 MOVING WNW OR 295 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 50 KT

GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM E

SEMICIRCLE...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN

90 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 30 NM SW

QUADRANT WITH SEAS TO 20 FT. ELSEWHERE WITHIN 180 NM NE AND 90

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

.24 HOUR FORECAST TROPICAL STORM HOWARD NEAR 20.8N 133.6W.

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

WINDS WITHIN 80 NM N SEMICIRCLE...AND 60 NM SE QUADRANT. SEAS 12

FT OR GREATER WITHIN 180 NM N AND 120 S SEMICIRCLES WITH SEAS TO

23 FT. ELSEWHERE WITHIN 210 NM N AND 90 NM S SEMICIRCLES WINDS

20 TO 33 KT. SEAS 8 TO 11 FT WITHIN 210 N AND 150 S SEMICIRCLES.

.48 HOUR FORECAST TROPICAL STORM HOWARD NEAR 22.2N 139.3W.

MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE

WINDS WITHIN 70 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS 12

FT OR GREATER WITHIN 150 NM N AND 60 NM S SEMICIRCLES WITH SEAS

TO 18 FT. ELSEWHERE OVER FORECAST WATERS FROM 21N TO 27N W OF

136W WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA N OF

10N W OF 135W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.

.72 HOUR FORECAST POST-TROPICAL HOWARD NEAR 22.8N 145.0W.

MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.

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

.96 HOUR FORECAST POST-TROPICAL REMNANT LOW HOWARD NEAR 23.0N

150.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

.120 HOUR FORECAST POST-TROPICAL REMNANT LOW HOWARD NEAR 23.0N

155.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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.



.TROPICAL WAVE FROM 17N111W TO LOW PRES NEAR 12.5N113.5S 1008 MB

TO 10N114W. WITHIN 120 NM NE QUADRANT OF LOW WINDS 20 TO 25 KT

SEAS TO 8 FT IN MIXED SWELL.

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

14N118.5W 1008 MB. WITHIN 150 NM NE QUADRANT OF LOW WINDS 20 TO

25 KT. SEAS TO 9 FT IN MIXED SWELL.

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

16N123.5W. WITHIN 150 NM N SEMICIRCLE OF LOW WINDS 20 TO 25 KT.

SEAS 8 TO 10 FT IN MIXED SWELL.



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

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

.24 HOUR FORECAST GULF OF TEHUANTEPEC LITTLE CHANGE.

.48 HOUR FORECAST GULF OF TEHUANTEPEC LITTLE CHANGE.



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



CONVECTION VALID AT 1500 UTC TUE AUG 02...



.TROPICAL STORM HOWARD...NUMEROUS MODERATE TO STRONG WITHIN 90

NM N SEMICIRCLE. SCATTERED MODERATE TO ISOLATED FROM 18N TO 22N

BETWEEN 125W AND 130W. 



.LOW PRES NEAR 12.5N113.5W...SCATTERED MODERATE ISOLATED STRONG

WITHIN 90 NM N SEMICIRCLE. SCATTERED MODERATE ELSEWHERE FROM

13NTO 16N BETWEEN 110W AND 116W. 



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH EXTENDS FROM 09N80W TO 10N90W TO 09N100W TO

11.5N110W TO 10N120W...THEN RESUMES AT 12N129W TO BEYOND

10N140W. CLUSTER OF MODERATE TO ISOLATED STRONG CONVECTION FROM

03N TO 05N E OF 79W TO THE COAST OF COLOMBIA. SCATTERED MODERATE

ISOLATED STRONG FROM 05N TO 07.5N BETWEEN 79W AND 88W. SIMILAR

CONVECTION IS WITHIN 120 NM S OF TROUGH BETWEEN 116W AND 119W...

AND WITHIN 60 NM S OF TROUGH BETWEEN 129W AND 132W.



.FORECASTER GR. NATIONAL HURRICANE CENTER.



NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E



SYNOPSIS VALID 0600 UTC AUG 02 2016.

24 HOUR FORECAST VALID 0600 UTC AUG 03 2016.

48 HOUR FORECAST VALID 0600 UTC AUG 04 2016.



.WARNINGS. 



.NONE. 



.SYNOPSIS AND FORECAST. 



.TROUGH FROM 29N169E TO 26N167E TO 21N166E MOVING W SLOWLY. 

ISOLATED MODERATE TSTMS WITHIN 390 NM E OF TROUGH. 

.24 HOUR FORECAST TROUGH FROM 28N164E TO 22N163E. E TO SE WINDS 

20 TO 25 KT WITHIN 270 NM E OF TROUGH. 

.48 HOUR FORECAST TROUGH FROM 28N160E TO 24N166E TO 21N168E. E 

TO SE WINDS 20 TO 30 KT N OF TROUGH...AND N OF 21N BETWEEN 176E 

AND 168E. 



.TROUGH FROM 20N173E TO 14N170E MOVING WNW 10 KT. SCATTERED 

MODERATE TO LOCALLY STRONG TSTMS WITHIN 360 NM E OF TROUGH. 

.24 HOUR FORECAST TROUGH FROM 22N169E TO 16N166E. 

.48 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED ABOVE. 



.TROUGH FROM 22N141W TO 18N141W MOVING W 20 KT. 

.24 HOUR FORECAST TROUGH FROM 22N148W TO 16N148W. E TO NE WINDS 

20 TO 25 KT FROM 18N TO 24N BETWEEN 144W AND 151W. 

.48 HOUR FORECAST TROUGH FROM 20N153W TO 15N153W. E TO NE WINDS 

20 TO 25 KT FROM 17N TO 26N BETWEEN 150W AND 157W. 



.48 HOUR FORECAST LOW...POST-TROPICAL HOWARD...E OF AREA NEAR 

22.1N 137.9W 1011 MB. WINDS 20 TO 30 KT N OF 22N E OF 147W. 



.RIDGE FROM 30N180E TO 25N173E NEARLY STATIONARY. 



.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST 

AREA. 



.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 22N TO 28N BETWEEN 170E 

AND 164E. 

.48 HOUR FORECAST SEAS 8 TO 12 FT FROM 19N TO 28N E OF 143W. 

SEAS 8 TO 11 FT N OF A LINE FROM 22N172E TO 22N168E TO 26N160E. 



.OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA. 



.SCATTERED MODERATE TSTMS FROM 04N TO 13N BETWEEN 162W AND 175W. 

ISOLATED MODERATE TSTMS FROM 03N TO 11N W OF 173E...AND FROM 11N 

TO 21N W OF 168E. 



.MONSOON TROUGH FROM 10N140W TO 10N142W TO 09N145W. ISOLATED 

TSTMS WITHIN 60 NM OF MONSOON TROUGH. 



.ITCZ FROM 09N145W TO 08N150W TO 07N155W. ISOLATED TSTMS WITHIN 

60 NM OF ITCZ. 



$$ 



.FORECASTER HOUSTON. HONOLULU HI.

