

126 

FZPN01 KWBC 250343

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

0430 UTC THU AUG 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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). 



SECURITE 



PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT 

TO 50N 160E 



SYNOPSIS VALID 0000 UTC AUG 25. 

24 HOUR FORECAST VALID 0000 UTC AUG 26. 

48 HOUR FORECAST VALID 0000 UTC AUG 27. 



.WARNINGS. 



...GALE WARNING... 

.FROM 49N TO 54N BETWEEN 128W AND 134W N TO NW WINDS 25 TO 35 KT.

SEAS TO 9 FT. ELSEWHERE FROM 39N TO 56N E OF 136W N TO NW WINDS

TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST FROM 49N TO 54N BETWEEN 129W AND 135W N TO NW

WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE FROM 36N TO 56N E OF

141W N WINDS 20 TO 30 KT. SEAS TO 10 FT.

.48 HOUR FORECAST FROM 49N TO 53N BETWEEN 127W AND 131W N TO NW

WINDS 25 TO 35 KT. SEAS TO 11 FT. ELSEWHERE FROM 37N TO 55N

BETWEEN 126W AND 147W N TO NW WINDS 20 TO 30 KT. SEAS TO 9 FT.



...GALE WARNING... 

.LOW 35N166W 1005 MB MOVING NW 10 KT. FROM 31N TO 43N BETWEEN

157W AND 165W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM

30N TO 56N BETWEEN 148W AND 166W WINDS TO 25 KT. SEAS TO 11 FT.

.24 HOUR FORECAST COMPLEX LOW WITH ONE CENTER 39N170W 1011 MB AND

A SECOND NEW CENTER 44N166W 1015 MB. WITHIN 360 NM SE QUADRANT OF

SECOND CENTER WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. ELSEWHERE

WITHIN 900 NM NE...AND 780 NM S AND SE QUADRANTS OF SECOND

CENTER...AND WITHIN 240 NM N AND NE SEMICIRCLES OF FIRST CENTER N

OF 30N WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 

.48 HOUR FORECAST LOW 43N171W 1013 MB. FROM 31N TO 48N BETWEEN

158W AND 165W WINDS 20 TO 30 KT. SEAS TO 12 FT.



...GALE WARNING... 

.LOW W OF AREA 59N167E 994 MB MOVING E 15 KT. OVER FORECAST

WATERS N OF 54N BETWEEN 179W AND 175E WINDS 25 TO 35 KT. SEAS 8

TO 13 FT. ELSEWHERE WITHIN 600 NM SE SEMICIRCLE WINDS 20 TO 30

KT. SEAS TO 11 FT.

.24 HOUR FORECAST LOW W OF AREA 60N177E 1005 MB. FROM 51N TO 63N

BETWEEN 169W AND 177W WINDS 20 TO 30 KT. SEAS TO 12 FT. 

.48 HOUR FORECAST LOW 57N178W 1018 MB. WINDS LESS THAN 25 KT. 

SEAS LESS THAN 8 FT.



...GALE WARNING... 

.24 HOUR FORECAST FROM 30N TO 36N BETWEEN 166E AND 160E E TO SE 

WINDS TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST FROM 30N TO 36N BETWEEN 162E AND 160E SE WINDS

25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM 30N TO 41N BETWEEN 

170E AND 160E E TO SE WINDS TO 25 KT. SEAS TO 11 FT.



.SYNOPSIS AND FORECAST. 



.FROM 31N TO 35N BETWEEN 116W AND 123W NW WINDS TO 25 KT. SEAS

LESS THAN 8 FT.

.24 HOUR FORECAST CONDITIONS DIMINISHED. 



.LOW 47N168W 1013 MB DRIFTING S. WITHIN 600 NM SW QUADRANT WINDS 

TO 25 KT. SEAS TO 9 FT.

.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED WITH

COMPLEX LOW IN SECOND GALE WARNING ABOVE.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 360 NM OF E

OF A LINE FROM 45N163W TO 60N153W...AND OVER FORECAST WATERS FROM

45N TO 58N W OF 177E.

.24 HOUR FORECAST DENSE FOG WITHIN 480 NM E OF A LINE FROM 

44N168W TO 56N154W...AND FROM 44N TO 59N W OF 175W.

.48 HOUR FORECAST DENSE FOG WITHIN 480 NM OF 49N161W...AND W AND 

NW OF A LINE FROM 43N162E TO 52N178W TO 65N166W.



.HIGH 50N140W 1040 MB MOVING SW 10 KT. 

.24 HOUR FORECAST HIGH 47N146W 1039 MB. 

.48 HOUR FORECAST HIGH 46N150W 1035 MB.



.HIGH 59N171W 1021 MB MOVING NE 15 KT. 

.24 HOUR FORECAST HIGH 64N162W 1024 MB.  

.48 HOUR FORECAST HIGH INLAND OVER ALASKA.



.HIGH 44N176E 1025 MB NEARLY STATIONARY WILL MOVE SW AFTER 24

HOURS. 

.24 HOUR FORECAST LITTLE CHANGE. 

.48 HOUR FORECAST HIGH 42N173E 1026 MB.



.HIGH 43N165E 1023 MB NEARLY STATIONARY.

.24 HOUR FORECAST HIGH DISSIPATED.



.24 HOUR FORECAST NEW HIGH 58N158W 1026 MB.

.48 HOUR FORECAST HIGH INLAND OVER ALASKA.



.48 HOUR FORECAST NEW HIGH 47N169E 1026 MB.



.FORECASTER MILLS. 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 25.

24 HOUR FORECAST VALID 0000 UTC FRI AUG 26.

48 HOUR FORECAST VALID 0000 UTC SAT AUG 27.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL DEPRESSION THIRTEEN-E NEAR 15.7N 110.9W 1006 MB AT 0300

UTC AUG 25 MOVING WNW OR 295 DEG AT 10 KT. MAXIMUM SUSTAINED

WINDS 30 KT GUSTS 40 KT.  WITHIN 120 NM NE SEMICIRCLE WINDS 20 TO

30 KT. SEAS 8 TO 10 FT IN MIXED E AND SW SWELL.

.24 HOUR FORECAST TROPICAL STORM THIRTEEN-E NEAR 16.8N 113.8W.

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

WINDS WITHIN 50 NM NE QUADRANT...30 NM SE QUADRANT...20 NM SW

QUADRANT...AND 40 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 

90 NM N AND 45 NM S SEMICIRCLES WITH SEAS TO 16 FT. ELSEWHERE

WITHIN 120 NM NE AND 60 NM SW SEMICIRCLES WINDS 20 TO 30 KT. SEAS

8 TO 11 FT. 

.48 HOUR FORECAST TROPICAL STORM THIRTEEN-E NEAR 17.6N 116.4W.

MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE

WINDS WITHIN 80 NM NE QUADRANT...60 NM SE QUADRANT...50 NM SW

QUADRANT...AND 70 NM NW QUADRANT. WINDS 20 TO 33 KT AND SEAS 12

FT OR GREATER WITHIN 120 NM N AND 90 NM S SEMICIRCLES WITH SEAS

TO 22 FT. ELSEWHERE WITHIN 180 NM OF CENTER WINDS 20 KT OR LESS.

SEAS 8 TO 12 FT.

.72 HOUR FORECAST HURRICANE THIRTEEN-E NEAR 17.8N 119.7W.

MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT.

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

.96 HOUR FORECAST HURRICANE THIRTEEN-E NEAR 17.9N 124.4W.

MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT.

.120 HOUR FORECAST HURRICANE THIRTEEN-E NEAR 18.1N 129.4W.

MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 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 CYCLONE KAY NEAR 24N125.5W 1015 MB. WITHIN 120 NM

NW SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED E AND NE

SWELL.

.12 HOUR FORECAST POST-TROPICAL REMNANT LOW KAY DISSIPATED.

WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.



.LOW PRES NEAR 12N125W 1008 MB MOVING W AT 10 KT. WITHIN 360 NM E

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

SWELL...AND E WIND WAVES NE QUADRANT. ELSEWHERE FROM 01N TO 16N

BETWEEN 114W AND 124W WINDS 20 KT OR LESS. SEAS TO 10 FT IN 

MIXED SE AND SW SWELL.

.24 HOUR FORECAST LOW PRES NEAR 12N130W 1007 MB. FROM 13N TO 17N

BETWEEN 130W AND 138W NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST LOW PRES NEAR 13N135W 1007 MB. WITHIN 300 NM SE

SEMICIRCLE S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.



.WITHIN 30 NM EITHER SIDE OF LINE FROM 16.5N95W TO 14.5N96W...

INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT.

SEAS TO 9 FT. 

.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16.5N95W

TO 14N95W TO 12.5N96W...INCLUDING THE GULF OF TEHUANTEPEC WINDS

20 KT OR LESS. SEAS 8 FT.

.36 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 

16.5N95W TO 14.5N96W...INCLUDING THE GULF OF TEHUANTEPEC N WINDS

20 TO 25 KT. SEAS TO 8 FT.

.42 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 0230 UTC THU AUG 25...



.TROPICAL DEPRESSION THIRTEEN-E...SCATTERED MODERATE TO

STRONG WITHIN 150 NM NE AND 120 NM SW SEMICIRCLES.



.LOW PRESSURE NEAR 12N125W...SCATTERED MODERATE ISOLATED 

STRONG FROM 12N TO 16N BETWEEN 125W AND 129W.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH EXTENDS FROM 10N85W TO 08N95W TO 10N102W.  ITCZ 

AXIS EXTENDS  FROM 10N136W CONTINUING BEYOND 10N140W. WIDELY 

SCATTERED TO SCATTERED MODERATE ISOLATED STRONG WITHIN 120-180 NM

S OF TROUGH BETWEEN 86W AND 101W. 



$$

.FORECASTER COBB. NATIONAL HURRICANE CENTER.

