Forecast issued at 5:10 am EST on Tuesday 21 May 2013.
A weak ridge of high pressure over western Bass Strait will move eastwards across the remainder of the strait on Tuesday afternoon and evening. A low pressure system will cross the Bight on Wednesday then track inland across New South Wales rapidly on Thursday to reach the northern Tasman Sea by Friday. A ridge of high pressure will extend from the Bight to Tasmania during Thursday before weakening and moving northwards to allow a weak cold front to cross Bass Strait on Friday.
Forecast for Tuesday until midnight
- Westerly 15 to 20 knots easing to 10 to 15 knots late this morning then becoming variable about 10 knots in the afternoon.
- Up to 1 metre abating below half a metre this afternoon.
Wednesday 22 May
- Easterly 10 to 15 knots becoming variable about 10 knots in the middle of the day then becoming easterly 10 to 15 knots in the late evening.
- Up to 1 metre.
Thursday 23 May
- Easterly 15 to 20 knots turning southeasterly at 10 to 15 knots during the morning, then easing below 10 knots during the evening.
- Up to 1 metre, decreasing below 0.5 metres during the evening.
Friday 24 May
- Variable at 5 knots tending west to southwesterly about 10 knots in the morning then increasing to 15 to 20 knots during the afternoon.
- below 0.5 metres increasing to 1 metre during the afternoon.
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 4:40 pm EST Tuesday.