Lake Erie and Lake Ontario

Marine weather forecasts and conditions, including buoys & stations data.

Water level forecasts and observations, including tide and current tables.

Current navigational warnings (NAVWARNs), including notices to shipping, notices to mariners (NOTMAR), shoals and status of aids to navigation.

Ice charts, bulletins, recommended routes and ice forecasts.

Nautical charts and publications, as well as chart corrections and Notices to Mariners (NOTMAR).

Status of buoy tending operations.