Rough seas have cancelled ferries this weekend. Photo: file
Parts of south Marlborough are under a heavy snow watch tonight and Cook Strait ferries are being cancelled due to forecast six-metre swells this weekend
Metservice has the Wellington coast under a heavy swell warning forecasting 5.5 to 6m swells from 11am Sat, 7 June - 6am Sun, 8 June, and inland areas of Canterbury and Marlborough between the Rakaia River and Ward under heavy snow watch above 400m between 4pm Fri, 6 June - 9am Sat, 7 June
Interislander has cancelled Saturday passenger sailings due to the rough sailing forecast with all passengers moved to alternative sailings.
Bluebridge has also cancelled all Saturday sailings, and one in the early hours of Sunday morning.