Forecast issued at 5:29 am EDT on Tuesday 11 March 2014.
A high pressure system over the Tasman Sea will move slowly eastwards across New Zealand during today and and Wednesday. A low pressure trough will reach western Bass Strait later this morning ahead of an approaching cold front. The trough will push eastwards to reach Wilsons Promontory about 1800 Tuesday then Gabo Island at about 0400 Wednesday and the cold front will follow about six hours later. A new high pressure system will form over Bight waters on Wednesday and will push across Bass Strait on Thursday to link with the first high pressure system over New Zealand by Friday.
Forecast for Tuesday until midnight
- Northeasterly wind to 10 knots this morning becoming variable to 10 knots during the afternoon. A southwesterly change of 15 to 20 knots developing close to midnight.
- The chance of thunderstorms later this afternoon and evening.
Wednesday 12 March
- Southwesterly 15 to 20 knots developing early in the morning then easing to 10 to 15 knots in the middle of the day.
- The chance of thunderstorms early in the morning.
Thursday 13 March
- Variable about 10 knots becoming east to southeasterly 10 to 15 knots during the afternoon then decreasing to below 10 knots during the evening.
Friday 14 March
- Variable below 10 knots becoming southeasterly 10 to 15 knots during afternoon then tending easterly below 10 knots in the evening.
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 EDT Tuesday.