

709 

FZPN02 KWBC 012325

HSFEPI



HIGH SEAS FORECAST FOR METAREA XII

NWS OCEAN PREDICTION CENTER WASHINGTON DC

2345 UTC MON AUG 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC AUG 01. 

24 HOUR FORECAST VALID 1800 UTC AUG 02. 

48 HOUR FORECAST VALID 1800 UTC AUG 03. 



.WARNINGS. 



...GALE WARNING... 

.OVER FORECAST WATERS FROM 36N TO 44N BETWEEN 124W AND 129W AREA 

OF N TO NE WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.

.24 HOUR FORECAST FROM 32N TO 43N BETWEEN 123W AND 132W AREA OF 

N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.48 HOUR FORECAST FROM 36N TO 44N BETWEEN 124W AND 130W AREA OF 

N WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.



.SYNOPSIS AND FORECAST. 



.LOW 58N157W 1011 MB MOVING NE 10 KT. OVER FORECAST WATERS 

WITHIN 180 NM W SEMICIRCLE AND 600 NM SE QUADRANT WINDS TO 25 

KT. SEAS TO 8 FT.

.24 HOUR FORECAST LOW 60N150W 1012 MB. WITHIN 600 NM S QUADRANT 

WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.



.24 HOUR FORECAST OVER FORECAST WATERS W OF A LINE FROM 66N165W 

TO 62N170W AREA OF NE WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST CONDITIONS DIMINISHED.



.24 HOUR FORECAST OVER FORECAST WATERS WITHIN 240 NM E OF A LINE 

FROM 56N137W TO 45N132W AREA OF NW WINDS TO 25 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST FROM 46N TO 50N BETWEEN 125W AND 130W AREA OF 

NW WINDS TO 25 KT. SEAS TO 8 FT.



.48 HOUR FORECAST OVER FORECAST WATERS FROM 43N TO 49N W OF 179E 

AREA OF SW TO W WINDS 20 TO 30 KT. SEAS TO 10 FT.



.48 HOUR FORECAST FROM 44N TO 53N BETWEEN 156W AND 166W AREA OF 

SW WINDS TO 25 KT. SEAS TO 8 FT.



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

WATERS FROM 42N TO 55N W OF 153W. 

.24 HOUR FORECAST DENSE FOG FROM 42N TO 56N W OF 150W. 

.48 HOUR FORECAST DENSE FOG FROM 41N TO 57N W OF 150W.



.HIGH 45N148W 1034 MB MOVING E 05 KT. 

.24 HOUR FORECAST HIGH 45N144W 1037 MB. 

.48 HOUR FORECAST HIGH 44N148W 1038 MB. 



.HIGH 40N164E 1025 MB MOVING E 05 KT. 

.24 HOUR FORECAST HIGH 40N168E 1026 MB. 

.48 HOUR FORECAST HIGH 40N174E 1028 MB. 



.HIGH 55N172W 1022 MB MOVING NE 10 KT. 

.24 HOUR FORECAST HIGH 57N167W 1023 MB. 

.48 HOUR FORECAST HIGH 60N159W 1023 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 1800 UTC MON AUG 01.

24 HOUR FORECAST VALID 1800 UTC TUE AUG 02.

48 HOUR FORECAST VALID 1800 UTC WED AUG 03.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM HOWARD NEAR 17.3N 125.3W 999 MB AT 2100 UTC AUG

01 MOVING WNW OR 300 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 45 KT

GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM E

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

OR GREATER WITHIN 60 NM NE SEMICIRCLE AND 30 NM SW SEMICIRCLE

WITH SEAS TO 17 FT. ELSEWHERE WITHIN 180 NM NE AND 120 NM SW

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

.24 HOUR FORECAST TROPICAL STORM HOWARD NEAR 19.7N 129.7W.

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

WINDS WITHIN 50 NM NW AND SE QUADRANTS...60 NM NE QUADRANT AND

30 NM SW QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER

WITHIN 120 NM NE AND 60 NM SW SEMICIRCLES WITH SEAS TO 22 FT.

ELSEWHERE WITHIN 210 NM NE AND 150 NM SW SEMICIRCLES WINDS 20 TO

33 KT. SEAS 8 TO 12 FT.

.48 HOUR FORECAST POST-TROPICAL REMNANT LOW HOWARD NEAR 21.8N

135.4W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR

GREATER WITHIN 90 NM N SEMICIRCLE AND 60 NM S SEMICIRCLE WITH

SEAS TO 15 FT. ELSEWHERE WITHIN 270 NM NE QUADRANT...180 NM SE

QUADRANT...240 NM SW QUADRANT AND 180 NM NW QUADRANT WINDS 20 TO

33 KT. SEAS 8 TO 12 FT.

.72 HOUR FORECAST POST-TROPICAL REMNANT LOW HOWARD NEAR 22.9N

141.0W. 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 23.3N

146.3W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.

.120 HOUR FORECAST POST-TROPICAL REMNANT LOW HOWARD NEAR 23.4N

151.6W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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.



.WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W TO

13N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...WINDS 20 KT OR

LESS. SEAS 8 TO 9 FT IN NE SWELL.

.06 HOUR FORECAST GULF OF TEHUANTEPEC WINDS 20 KT OR LESS. SEAS

LESS THAN 8 FT.

.18 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF A LINE FROM 16N95W

TO 14N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25

KT. SEAS 8 FT.

.24 HOUR FORECAST LITTLE CHANGE.

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

.36 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF A LINE FROM 16N95W

TO 14N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25

KT. SEAS 8 TO 9 FT.

.48 HOUR FORECAST WITHIN 15 NM EITHER SIDE OF A LINE FROM 16N95W

TO 14N95WW...INCLUDING THE GULF OF TEHUANTEPEC...WINDS 20 KT

OR LESS. SEAS 8 TO 9 FT IN NE SWELL.



.S OF 01N BETWEEN 113W AND 126W WINDS 20 KT OR LESS. SEAS 8 TO 9

FT IN SW SWELL.

.24 HOUR FORECAST S OF 01S W OF 103W WINDS 20 KT OR LESS. SEAS 8

FT IN SW SWELL.

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



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

12N119W 1009MB. WITHIN 180 NM N SEMICIRCLE WINDS 20 KT OR LESS.

SEAS TO 8 FT IN E WIND WAVES AND SW SWELL.

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

12N122W 1009MB. WITHIN 240 NM N SEMICIRCLE E TO NE WINDS 20 TO

25 KT. SEAS 8 TO 9 FT.



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



CONVECTION VALID AT 2030 UTC MON AUG 01...



.TROPICAL STORM HOWARD...NUMEROUS MODERATE SCATTERED STRONG

WITHIN 120 NM E SEMICIRCLE. SCATTERED MODERATE ELSEWHERE FROM

12N TO 19N BETWEEN 121W AND 126W.



.TROPICAL WAVE FROM 06N TO 13N ALONG 106W...SCATTERED

MODERATE ISOLATED STRONG WITHIN 60 NM OF A LINE FROM 11N113W TO

17N106W.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 10N85W TO 08N94W TO 12N107W TO 09N114W TO

11N118W...THEN RESUMES SW OF T.S. HOWARD NEAR 11N125W TO BEYOND

10N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 06N

TO 14N BETWEEN 94W AND 100W...FROM 05N TO 09N BETWEEN 102W

AND 108W AND FROM 06N TO 12N BETWEEN 124W AND 135W.



.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.



NATIONAL WEATHER SERVICE HONOLULU HI

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



SYNOPSIS VALID 1800 UTC AUG 01 2016.

24 HOUR FORECAST VALID 1800 UTC AUG 02 2016.

48 HOUR FORECAST VALID 1800 UTC AUG 03 2016.



.WARNINGS. 



.NONE. 



.SYNOPSIS AND FORECAST. 



.TROUGH FROM 30N170E TO 28N165E TO 24N160E NEARLY STATIONARY. 

SCATTERED MODERATE TSTMS SE OF TROUGH WITHIN AREA W OF 175E AND 

NORTH OF 20N. 

.24 HOUR FORECAST TROUGH FROM 30N168E TO 21N163E. 

.48 HOUR FORECAST TROUGH FROM 27N163E TO 23N160E. E TO SE WINDS 

20 TO 25 KT N OF 26N W OF 174E. 



.TROUGH FROM 20N177E TO 11N169E MOVING NW 10 KT. SCATTERED 

MODERATE TSTMS WITHIN 240 NM SE OF TROUGH. ISOLATED MODERATE 

TSTMS FROM 04N TO 12N W OF 171E. 

.24 HOUR FORECAST TROUGH FROM 21N171E TO 13N167E. 

.48 HOUR FORECAST TROUGH FROM 23N167E TO 17N166E TO 15N160E. E 

TO SE WINDS WITHIN 240 NM E OF TROUGH N OF 20N. 



.TROUGH FROM 13N162W TO 10N168W TO 04N173W MOVING W 15 KT. 

SCATTERED MODERATE TSTMS WITHIN 300 NM E OF TROUGH. ISOLATED 

MODERATE TSTMS WITHIN 480 NM W OF TROUGH. 

.24 HOUR FORECAST TROUGH FROM 15N167W TO 12N175W TO 05N178W. 

.48 HOUR FORECAST TROUGH FROM 13N176W TO 11N178E TO 03N174E. 



.24 HOUR FORECAST NEW TROUGH FROM 22N145W TO 17N143W MOVING WSW 

15 KT. 

.48 HOUR FORECAST WEAKENING TROUGH FROM 21N151W TO 15N150W. 



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



.SEAS 8 FT OR LESS OVER ENTIRE FORECAST AREA. 



.ISOLATED TSTMS FROM 21N TO 24N BETWEEN 157W AND 160W. 



.ITCZ FROM 08N140W TO 07N160W. ISOLATED TSTMS WITHIN 60 NM OF 

ITCZ. 



$$ 



.FORECASTER BRAVENDER. HONOLULU HI.

