Forecast issued at 4:40 pm EDT on Saturday 25 October 2014.
A high pressure system will pass across Tasmania overnight, reaching the southern Tasman Sea by Sunday morning. A cold front approaching from the west is expected near Portland 2000hrs Sunday, Cape Otway 0100hrs Monday, Wilsons Promontory 0600hrs and Gabo Island 1300hrs Monday. Another cold front embedded in a westerly airflow will move through Bass Strait on Tuesday as a high pressure system crosses waters south of the Bight. The high will weaken as it moves across inland Victoria on Wednesday.
Forecast for Saturday until midnight
- Southerly 10 to 15 knots decreasing to about 10 knots tonight.
- Below 1 metre.
- Partly cloudy.
Sunday 26 October
- Variable about 10 knots becoming north to northeasterly 10 to 15 knots at night.
- Below 0.5 metres.
- Partly cloudy. 40% chance of showers. The chance of a thunderstorm in the evening.
Monday 27 October
- Northerly 15 to 20 knots turning westerly 20 to 25 knots early in the morning.
- Around 1 metre, increasing to 1 to 2 metres west of Sandy Point during the morning.
- Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the early morning.
Tuesday 28 October
- Northwesterly 15 to 25 knots tending westerly 20 to 30 knots during the day.
- Around 1 metre, increasing to 1.5 to 2.5 metres west of Sandy Point.
- Cloudy. 80% chance of showers.
Wednesday 29 October
- Westerly 15 to 20 knots decreasing to about 10 knots during the evening.
- 1 to 1.5 metres, decreasing below 1 metre during the afternoon or evening.
- Partly cloudy. 30% chance of a shower.
Please be awareWind gusts can be 40 percent stronger than the averages given here, and maximum waves may be up to twice the height.
The next routine forecast will be issued at 5:10 am EDT Sunday.