Western Area High Seas Forecast


High Seas Forecast for Western METAREA 10
WESTERN AREA: COAST AT 129E TO 50S129E TO 50S80E TO 30S80E TO 30S90E TO 12S90E

Issued by the Australian Government Bureau of Meteorology
For 24 hours commencing 2300 UTC 18 August 2019

Please be aware
Wind and wave forecasts are averages. Wind gusts can be 40 per cent stronger
than the forecast, and stronger still in squalls and thunderstorms. Maximum
waves can be twice the forecast height.

Part 1 Warnings
Refer to latest warnings for details of the area affected

Melbourne Storm Force Wind Warning 1.

Part 2 Situation at 1800 UTC
Refer to latest warnings for boundary of affected area and type of weather

Ridge 25S090E 33S113E 30S129E.

Cold front [1] 41S093E 50S111E. Forecast 45S116E 47S125E 50S128E at 191200UTC
and moving to east of area.

Trough 34S080E 41S093E. Forecast 30S085E 40S098E 44S110E at 200000UTC.

Cold front [2] forecast 37S066E 43S074E 50S077E at 191200UTC and 32S072E
42S084E 50S087E at 200000UTC.

Part 3 Forecast
Refer to latest warnings.

South of line 32S080E 31S092E 37S110E 40S129E, outside warning area:
Westerly quarter winds tending northwest quarter east of trough and front [1].
Winds becoming northwest quarter within 540nm east of front [2]. Wind speeds
20/30 knots increasing to 25/33 knots within 120nm of warning area. Rough seas.
Heavy swell.

North of line 20S090E 28S110E 25S125E:
Easterly quarter winds 20/30 knots. Rough seas. Moderate swell decreasing to
low east of line 12S120E 23S115E.

Winds not exceeding 25 knots. Slight to moderate seas. Moderate to heavy swell.

Rain areas, scattered showers and isolated thunderstorms within 240nm of fronts
and trough. Scattered showers north of 17S west of 110E and also west of front
[2]. Visibility reducing below 2nm in precipitation.


The next routine forecast will be issued at 09:00 UTC Monday.