South Australia

Synoptic Situation: A high pressure system centred over the south of WA will move slowly eastwards to be centred over the Bight late Wednesday, then over the southeast of NSW on Friday.

Adelaide Metropolitan Waters

Tuesday 20 August

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.

Tuesday 20 August

Winds: Westerly 10 to 15 knots, reaching 15 to 20 knots south of Brighton in the afternoon and early evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Brighton in the afternoon.
Swell 1: West to southwesterly below 1 metre.
Weather: Partly cloudy. 50% chance of showers.

Wednesday 21 August

Winds: Westerly 10 to 15 knots, reaching 15 to 20 knots south of Brighton in the afternoon and early evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Brighton during the afternoon.
Swell 1: West to southwesterly below 0.5 metres.
Weather: Cloudy. 60% chance of showers.

Thursday 22 August

Winds: Southwesterly below 10 knots becoming south to southeasterly during the afternoon then becoming easterly during the evening.
Seas: Below 1 metre.
Swell 1: West to southwesterly below 1 metre.
Weather: Cloudy.

Friday 23 August

Winds: Northeasterly below 10 knots tending north to northwesterly 10 to 15 knots during the morning.
Seas: Below 1 metre.
Swell 1: West to southwesterly below 0.5 metres.
Weather: Partly cloudy.