Blanche Harbor Weather Forecast

Spencer Gulf Coastal Waters

Wind

Northwest to southwesterly 10 to 15 knots tending south to southwesterly in the late afternoon then tending west to southwesterly in the late evening.

Seas

Around 1 metre.

1st Swell

South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.

Weather

Cloudy. 60% chance of showers. The chance of a thunderstorm later tonight.

Weather Situation

A strong high pressure system over the Tasman Sea will maintain a ridge over SA. A cold front over the state will weaken and clear to the east early Sunday. A new high pressure system will develop in the Bight on Sunday, drifting east early next week to merge with the strong high in the Tasman Sea.