

778 

FZPN02 KWBC 180525

HSFEPI



HIGH SEAS FORECAST FOR METAREA XII

NWS OCEAN PREDICTION CENTER WASHINGTON DC

0545 UTC THU AUG 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC AUG 18. 

24 HOUR FORECAST VALID 0000 UTC AUG 19. 

48 HOUR FORECAST VALID 0000 UTC AUG 20. 



.WARNINGS. 



...GALE WARNING... 

.FROM 37N TO 42N BETWEEN 124W AND 130W N TO NW WINDS 25 TO 40 

KT. SEAS 8 TO 14 FT. 

.24 HOUR FORECAST CONDITIONS DESCRIBED BELOW.



...GALE WARNING... 

.FROM 44N TO 54N BETWEEN 126W AND 131W N TO NW WINDS 25 TO 40 

KT. SEAS TO 11 FT. 

.24 HOUR FORECAST FROM 40N TO 54N BETWEEN 127W AND 134W N TO NW 

WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE FROM 34N TO 54N 

BETWEEN 124W AND 136W N TO NW WINDS 20 TO 30 KT. SEAS TO 10 FT.  

.48 HOUR FORECAST WITHIN 360 NM W AND N OF A LINE FROM 34N134W 

TO 45N126W N TO NW WINDS 20 TO 30 KT. SEAS TO 12 FT.



...GALE WARNING... 

.FROM 30N TO 34N W OF 163E SE WINDS 25 TO 35 KT. SEAS 8 TO 16 

FT. .24 HOUR FORECAST FROM 30N TO 34N W OF 162E SE WINDS 20 TO 

30 KT. SEAS 8 TO 12 FT. 

.48 HOUR FORECAST FROM 30N TO 34N W OF 162E WINDS LESS THAN 25 

KT. SEAS TO 9 FT. 



.SYNOPSIS AND FORECAST. 



.LOW 53N161W 1003 MB MOVING NW 10 KT. WITHIN 300 NM E AND SE 

QUADRANTS...WITHIN 120 NM N OF A LINE FROM 57N163W TO 58N154W TO 

56N143W...AND 180 NM E OF A LINE FROM 51N148W TO 46N153W TO 

39N160W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. 

.24 HOUR FORECAST LOW 56N163W 1012 MB. WITHIN 360 NM E AND SE 

QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST LOW 56N157W 1016 MB. WINDS LESS THAN 25 KT. 

SEAS LESS THAN 8 FT. 



.LOW 37N163W 1014 MB MOVING NE 20 KT. WITHIN 240 NM SE 

SEMICIRCLE WINDS TO 25 KT. SEAS TO 10 FT.

.24 HOUR FORECAST LOW 45N156W 1014 MB. WITHIN 180 NM E OF A 

FRONT FROM 50N152W TO LOW CENTER TO 36N165W WINDS 20 TO 30 KT. 

SEAS TO 11 FT.

.48 HOUR FORECAST LOW 56N141W 1014 MB. WITHIN 120 NM E...300 NM 

S...AND 120 NM W QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT. 



.48 HOUR FORECAST NW OF A LINE FROM 64N162W TO 55N176W AREA OF 

SW WINDS TO 25 KT. SEAS TO 8 FT. 



.48 HOUR FORECAST LOW 39N165W 1018 MB. WITHIN 240 NM NW AND E 

SEMICIRCLES WINDS TO 25 KT. SEAS TO 8 FT. 



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 49N TO 55N 

BETWEEN 139W AND 149W AND N OF 44N W OF 172E. 

.24 HOUR FORECAST DENSE FOG WITHIN 180 NM SE OF A LINE FROM 

53N143W TO 48N153W AND N OF 43N W OF 177E. 

.48 HOUR FORECAST DENSE FOG NW OF A LINE FROM 65N167W TO 61N174W 

TO 54N177W TO 47N175E TO 45N160E.



.HIGH 45N139W 1034 MB MOVING SW 10 KT. 

.24 HOUR FORECAST HIGH 44N142W 1034 MB. 

.48 HOUR FORECAST HIGH 43N144W 1033 MB. 



.HIGH 44N164E 1029 MB NEARLY STATIONARY. 

.24 HOUR FORECAST LITTLE CHANGE. 

.48 HOUR FORECAST HIGH 46N168E 1029 MB. 



.HIGH 54N178E 1025 MB MOVING S 25 KT. 

.24 HOUR FORECAST HIGH 46N179E 1027 MB. 

.48 HOUR FORECAST HIGH 45N174W 1030 MB. 



.24 HOUR FORECAST NEW HIGH 54N146W 1026 MB. 

.48 HOUR FORECAST HIGH DISSIPATED. 



.FORECASTER ACHORN. 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 THU AUG 18.

24 HOUR FORECAST VALID 0000 UTC FRI AUG 19.

48 HOUR FORECAST VALID 0000 UTC SAT AUG 20.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.LOW PRES NEAR 16N108W 1006 MB MOVING NW 10 KT. WITHIN 180 NM SE

QUADRANT WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 08N

TO 14N BETWEEN 100W AND 115W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT

IN S TO SW SWELL. WITHIN 60 NM OF COAST OF MEXICO BETWEEN 96W

AND 99W E TO SE WINDS 20 KT OR LESS. SEAS 8 FT IN SE SWELL.

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

17N110W 1006 MB. WITHIN 180 NM SE QUADRANT WINDS 20 TO 25 KT.

SEAS 8 TO 9 FT. ELSEWHERE WITHIN 300 NM SE SEMICIRCLE WINDS 20

KT OR LESS. SEAS 8 FT IN S TO SW SWELL. WITHIN 60 NM OF COAST OF

MEXICO BETWEEN 103W AND 105W E TO SE WINDS 20 TO 25 KT. SEAS 8

TO 9 FT.

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

19N112W 1006 MB. WITHIN 150 NM NE AND 60 NM SW SEMICIRCLES WINDS

20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN 330 NM SE

SEMICIRCLE WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO SW SWELL. 



.LOW PRES NEAR 16N131W 1006 MB. WITHIN AREA BOUNDED BY 17N131W

TO 16N131W TO 17N133W TO 17N131W WINDS 20 KT OR LESS. SEAS TO 8

FT IN MIXED SWELL.

.24 HOUR FORECAST LOW PRES NEAR 15N138W 1011 MB. WITHIN AREA

BOUNDED BY 18N136W TO 17N135W TO 16N136W TO 18N136W WINDS 20 KT

OR LESS. SEAS TO 8 FT IN MIXED SWELL.

.36 HOUR FORECAST LOW PRES MOVED W OF AREA. WITHIN 60 NM OF LINE

FROM 17N137W TO 16N140W WINDS 20 KT OR LESS. SEAS TO 8 FT IN

MIXED SWELL.

.42 HOUR FORECAST WITHIN 60 NM OF LINE FROM 17N138W TO 17N140W

WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SWELL.

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



.S OF 01S BETWEEN 100W AND 120W WINDS 20 KT OR LESS. SEAS 8

FT IN SW SWELL.

.18 HOUR FORECAST S OF LINE FROM 03.4S99W TO 01N112W TO 01S120W

WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW SWELL.

.24 HOUR FORECAST S OF LINE FROM 02S103W TO 02N114W TO 01N120W

WINDS 20 KT OR LESS. SEAS TO 8 FT IN S TO SW SWELL.

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



.N OF 29N BETWEEN 126W AND 134W WINDS 20 KT OR LESS. SEAS TO 8

FT IN NW SWELL.

.24 HOUR FORECAST N OF 29.5N BETWEEN 127W AND 133W WINDS 20 KT

OR LESS. SEAS TO 8 FT IN NW TO N SWELL.

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



.12 HOUR FORECAST WITHIN AREA BOUNDED BY 16N94W TO 16N95W TO

15N96W TO 15N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF

TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS TO 8 FT.

.18 HOUR FORECAST LITTLE CHANGE.

.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 0215 UTC THU AUG 18...



.TROPICAL WAVE FROM 11N TO 20N ALONG 108W WITH LOW PRES NEAR

16N108W...SCATTERED MODERATE ISOLATED STRONG FROM 14N TO 17N

BETWEEN 110W AND 112W. SCATTERED MODERATE WITHIN 30 NM OF

15N107W.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH AXIS EXTENDS FROM 10N85W TO 09N90W TO 12N98W. IT

RESUMES FROM LOW PRES NEAR 16N108W TO 12N118W TO LOW PRES NEAR

09N125W 1008 MB. THE TROUGH AXIS THEN EXTENDS FROM 12N131W TO

BEYOND 12N140W. SCATTERED MODERATE TO STRONG S OF AXIS WITHIN 60

NM OF LINE FROM 08N78W TO 08N83W. SCATTERED MODERATE WITHIN 120

NM S OF AXIS BETWEEN 110W AND 114W.



.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.



NATIONAL WEATHER SERVICE HONOLULU HI

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



SYNOPSIS VALID 0000 UTC AUG 18 2016.

24 HOUR FORECAST VALID 0000 UTC AUG 19 2016.

48 HOUR FORECAST VALID 0000 UTC AUG 20 2016.



.WARNINGS. 



.SYNOPSIS AND FORECAST. 



.LARGE COMPLEX AREA OF LOW PRESSURE W OF AREA. SE TO S WINDS 20 

TO 30 KT N OF 19N W OF 165E. SEAS 12 TO 15 FT N OF 23N W OF 

163E. SEAS 8 TO 12 FT ELSEWHERE W OF LINE FROM 30N170E TO 

14N160E. ISOLATED MODERATE TSTMS N OF 20N W OF 164E. 

.24 HOUR COMPLEX LOW W OF FORECAST AREA. SE WINDS 20 TO 30 KT N 

OF 22N W OF 163E. SEAS 8 TO 13 FT N OF 17N W OF 165E. 

.48 HOUR FORECAST WINDS DECREASED TO 20 KT OR LESS. SEAS 8 TO 10 

FT N OF 21N W OF 164E. 



.LOW 11N154W 1009 MB MOVING W 10 KT. TROUGH FROM LOW TO 13N150W 

TO 11N140W NEARLY STATIONARY. ISOLATED MODERATE TSTMS WITHIN 180 

NM OF LOW AND WITHIN 60 NM OF TROUGH E OF 150W. 

.24 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 08N164W TO 14N156W 

TO 11N140W. 

.48 HOUR FORECAST TROUGH FROM 07N169W TO 14N1602W TO 11N152W TO 

14N140W. 



.TROUGH FROM 18N169W TO 12N175W TO 07N178E MOVING WNW 10 KT. 

ISOLATED MODERATE TO LOCALLY STRONG TSTMS WITHIN 180 NM W OF AND 

360 NM SE OF TROUGH. 

.24 HOUR FORECAST TROUGH FROM 19N174W TO 09N175E. 

.48 HOUR FORECAST WEAK TROUGH FROM 21N178W TO 14N179E. 



.TROUGH FROM 16N172E TO 11N168E TO 03N165E MOVING W 10 KT. 

ISOLATED MODERATE TSTMS WITHIN 330 NM E OF TROUGH N OF 11N. 

.24 HOUR FORECAST TROUGH FROM 14N166E TO 03N161E. 

.48 HOUR FORECAST TROUGH FROM 14N164E TO 06N160E. 



.TROUGH FROM 30N163W TO 27N172W MOVING W SLOWLY. 

.24 HOUR FORECAST TROUGH DISSIPATED. 



.WINDS 20 KT OR LESS AND SEAS 8 FT OR LESS OVER REST OF FORECAST 

AREA. 



.ISOLATED MODERATE TSTMS FROM 21N TO 23N BETWEEN 173W AND 178E. 



$$ 



.FORECASTER WROE. HONOLULU HI.

