Heavy downpours could produce 15-20 mm of rain in one hour, officials said.

The agency says a ridge of high pressure will build over southern B.C., with daytime highs hitting the mid-30s -- particularly in Howe Sound and the Fraser Valley.

The 'MV Spudnik' made headlines in 2014 when it broke free from its moorings and drifted into Howe Sound with 6,500 litres of oil and fuel aboard.

Several communities in Metro Vancouver, Vancouver Island and the coastal mainland saw flooding and high stream advisories as heavy rains pummeled the region Sunday.

Forecasters say an atmospheric river will hit northern Vancouver Island and the central coast early Saturday morning and last until midday Sunday.

The board says in a statement that the tug Sheena M capsized and sank on Oct. 1 not far from the BC Ferries terminal in Langdale.

The closures will take effect in Howe Sound ahead of the spring season and apply to all commercial, recreational and Indigenous bottom contact fishing activities.

Pacific storm expected to hit coast on Wednesday night, then trek inland.

It appears that Metro Vancouver will escape the first blast of snow to hit the Lower Mainland, but the Fraser Valley and Howe Sound won't be so lucky.

The deal involves annual payments to the nation, a cultural fund and cash for employment opportunities.