Most likely, it does not. Effective Coverage explains that most Renters Insurance policies exclude water damage from “flood, surface water, waves, including tidal wave and tsunami. Your landlord's insurance won't cover damage to your personal property either.
In some cases, if a property becomes uninhabitable due to flood damage, a renter could potentially withhold rent or require a landlord to pay for another housing, such as a hotel, until the property is habitable again.