Marble Bay Weather Forecast

Central Coastal Waters

Wind

Northerly 15 to 20 knots turning west to northwesterly in the late afternoon.

Seas

1 to 1.5 metres.

1st Swell

Southwesterly 1.5 metres, increasing to 1.5 to 2 metres during the morning, then decreasing to 1.5 metres later in the evening.

Weather

Partly cloudy. 90% chance of showers during this afternoon and evening. The chance of a thunderstorm in the west during this afternoon and evening.

Weather Situation

A high pressure system over the Tasman sea extends a weak ridge over SA. A trough over central WA extends over southwest SA, and is forecast to move across the west and south later Tuesday, pushing into the northeast of SA on Wednesday. Another high pressure system is expected to become established south of the Bight late in the week.