Man dies after fishing boat sinks off B.C.'s North Coast

One person is dead after a fishing boat went down in rough water off B.C.'s North Coast on Monday.

The Western Commanderstarted taking on waterat the entrance toHecate Strait, west of Prince Rupert, just after 9:30 a.m. PT

The Canadian Coast Guard rescued three people before the ship went down, but a fourth had a medical emergency and was taken to Prince Rupert for treatment.

The man has since died.On Tuesday, the BC CoronersService said it was investigating the cause of the 70-year-old's death.

The Royal Canadian Marine Search and Rescue station in Prince Rupert saidthe boat was listingheavily after taking on water.

Wind warnings arein effect for theregion, as well as the West Coast of Vancouver Island, with gusts of at least 90 km/h in the forecast.

The RCM-SAR station warned mariners to expect "near hurricane-force wind speeds."