IDY10230
SECURITE
High Seas Forecast for Metarea 10
NORTHEASTERN AREA: EQUATOR TO 28S, 142E TO 170E
Issued by the Australian Government Bureau of Meteorology, BNOC
For 24 hours commencing 1100 UTC 20 August 2017
PLEASE BE AWARE
Wind gusts can be a further 40 percent stronger than the averages given here,
and maximum waves may be up to twice the height.
Part 1 Warnings
Refer to latest warnings for details of the area affected.
Part 2 Situation at 0600 UTC
Refer to latest warnings for boundary of affected area and type of weather
system.
Southeast trade flow throughout after 210600UTC.
Part 3 Forecast
Refer to latest warnings.
South of 22S:
Southwest quarter winds shifting south quarter west of 160E and throughout by
210600UTC. Wind speeds 20/30 knots easing below 20 knots by 210000UTC. Rough to
very rough seas easing to moderate after 210600UTC. Moderate to heavy swell.
Remainder south of line 03S142E 03S155E 10S170E:
Southwest quarter winds 15/25 knots east of line 22S162E 16S170E until
202100UTC. Otherwise southeasterly quarter winds 15/25 knots, reaching 30 knots
at times within 30nm of line 04S146E 07S149E. Moderate to rough seas. Low to
moderate swell.
Remainder:
Variable winds below 15 knots. Slight seas. Low swell.
Scattered showers and isolated thunderstorms north of line 13S170E 03S142E.
Scattered showers south of 22S until 201800UTC. Isolated showers remainder,
generally clearing by 210600UTC. Visibility reducing below 2nm in precipitation.
WEATHER MELBOURNE
The next routine forecast will be issued at 21:00 UTC Sunday.
