Porpoise Head Weather Forecast

Investigator Strait Coastal Waters

Wind

Southwesterly 15 to 20 knots decreasing to about 10 knots in the late evening.

Seas

1 to 1.5 metres, decreasing below 1 metre later in the evening.

1st Swell

West to southwesterly around 1 metre, increasing to 1 to 1.5 metres inshore.

Weather

Partly cloudy.

Weather Situation

A high pressure system is moving in from the west and will be centred over central SA on Wednesday, the high will continue moving to the east while extending a ridge over SA on Thursday. A low pressure trough is then forecast to approach and linger about western parts late on Thursday until early Saturday. Another high then moves across waters to the south, extending a ridge across much of the state over the weekend.