Grantham Island Weather Forecast

Spencer Gulf Coastal Waters

Wind

Northwest to northeasterly 10 to 15 knots tending northwesterly in the late evening.

Seas

Below 1 metre.

1st Swell

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

Weather

Mostly clear.

Weather Situation

A cold front approaching the Far West Coast will sweep across coastal waters on Saturday with another strong and vigorous front entering the west mid Sunday. The strong cold front will begin pushing across coastal waters late from Sunday and through Monday, bringing vigorous west to southwesterly flow in its wake. From late Monday a ridge will establish in the west with the high centre moving into the Bight on Tuesday, bringing mostly settled conditions by the afternoon and into the mid week.