Grantham Island Weather Forecast

Spencer Gulf Coastal Waters

Wind

North to northeasterly 15 to 20 knots, reaching up to 25 knots south of Port Neill to Port Victoria in the late evening.

Seas

Around 1 metre, increasing to 1 to 1.5 metres south of Port Neill to Port Victoria around midday.

1st Swell

South to southwesterly around 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.

Weather

Sunny.

Weather Situation

A high pressure system centred near the NSW south coast will move across the Tasman Sea early this week. Northerly winds freshen over the state on Tuesday ahead of a weakening cold front mid-week, with a second cold front expected late in the week.