Lewis Island Weather Forecast

Spencer Gulf Coastal Waters

Wind

West to southwesterly 15 to 25 knots, reaching up to 30 knots south of Cowell to Wallaroo early in the morning. Winds tending south to southwesterly 15 to 20 knots in the late morning and afternoon.

Seas

1.5 to 2.5 metres, decreasing to 1 to 1.5 metres around midday.

1st Swell

South to southwesterly around 1 metre, increasing to 1 to 2 metres during the morning.

Weather

Cloudy. 95% chance of showers.

Weather Situation

A low pressure system south of the Bight will drift to the south east while a trough extends across western coasts. This trough will linger along the coastline into Friday, developing into the cold front that will clear into the east early Saturday. A high pressure system will begin to move in from the west on Saturday, cross the Bight, slowly drifting to eastern SA by Monday.