IDY10220
SECURITE
High Seas Forecast for Western Metarea 10
WESTERN AREA: 12/30S 90/125E, 30/50S 80/129E
Issued by the Australian Government Bureau of Meteorology, BNOC
For 24 hours commencing 1100 UTC 25 July 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.
Melbourne Gale Warning 1.
Part 2 Situation at 0600 UTC
Refer to latest warnings for boundary of affected area and type of weather
system.
Cold front [1] 32S105E 37S108E 44S109E 49S106E. Forecast 32S126E 43S128E
50S123E at 261200UTC.
Cold front [2] forecast entering area near 41S075E to low [1] 1000 hPa near
43S082E to 251200UTC and 30S086E 37S094E 44S100E to low [1] 979 hPa near
47S098E at 261200UTC.
Low [2] 978 hPa near 50S084E. Forecast low [2] 984 hPa near 46S092E at
261200UTC.
Slow moving ridge 25S090E 26S114E.
Part 3 Forecast
Refer to latest warnings.
South of 31S, outside warning area:
Southwesterly quarter winds 20/33 knots tending northwesterly quarter 25/33
knots within 300nm east of cold front [1] and cold front [2]. Winds turning
clockwise 25/33 knots within 450nm of low [2] and within 180nm of low [1].
Winds grading to 25/33 knots within 120nm of warning areas. Rough to very rough
seas. Moderate to heavy swell.
Remainder:
Variable winds to 25 knots with slight to moderate seas, becoming southeasterly
quarter 15/25 knots north of 20S.
Moderate to rough seas. Moderate swell.
Rain areas and scattered thunderstorms within 300nm of cold fronts and 450nm of
low [2] and 180nm of low [1]. Scattered showers remainder south of 35S.
Visibility reducing below 2nm in precipitation.
WEATHER MELBOURNE
The next routine forecast will be issued at 21:00 UTC Tuesday.
