Flood Forecasting and Warning Program
Information about the Flood Forecasting and Warning Program, which prepares provincial and local authorities in the event of a flood.
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Special Lake Ontario Flood Watch
Special Lake Ontario Flood Watch Issued By Ministry of Natural Resources' Surface Water Monitoring Centre for May 31st, 2017
Current flood information
Flood information updated as of: August 18, 2017 - 10:00 am
Ontario flood map
Locally issued flood messages
Issued by MNRF Districts and Conservation Authorities
MNRF Districts
None
Conservation Authorities
- Cataraqui Region - Watershed Conditions Statement – Water Safety - August 15, 2017
- Central Lake Ontario - Flood Watch -Lake Ontario Shoreline - August 11, 2017
- Credit Valley - Lake Ontario Flood Watch - July14 - August 2, 2017 12:30 pm
- Ganaraska Region - Flood Watch - Lake Ontario - June 20, 2017
- Hamilton - Watershed Conditions Statement – Flood Outlook - July 31, 2017
- Lower Trent - Flood Warning Update for Lake Ontario/Bay of Quinte - July 14, 2017 2:00 pm
- Quinte - Flood Warning - August 8, 2017
- Sault Ste Marie Region - Watershed Conditions Statement – Flood Outlook - August 17, 2017
- South Nation - Watershed Conditions Statement – Water Safety - August 2, 2017 12:00 pm
- Toronto and Region - Watershed Conditions Statement – Lake Ontario - August 3, 2017 2:00 pm
River Regulatory Agencies
- International Lake Ontario - St. Lawrence River Board - June 14, 2017
Provincial Message
Issued to Local Authorities by the Surface Water Monitoring Centre
MNRF Districts
None
Conservation Authorities
None
MNRF Southern Region
Stream flow conditions across the region are within seasonal range. Forecast precipitation for the region ranges from 10 to 30 mm over the next five days.
MNRF Northeastern Region
Stream flow conditions across the region are within seasonal range. Forecast precipitation for the region ranges from 20 to 50 mm over the next five days
MNRF Northwestern Region
Stream flow conditions across the region are within seasonal range. Forecast precipitation for the region ranges from 10 to 30 mm over the next five days.
Flood Message Definitions
Provincial flood messages
There are 2 types of provincial flood messages:
- the Provincial Flood Watch, which provides consistent and timely technical information about the potential for flooding
- the Provincial Watershed Conditions Statement, which provides information on provincial watershed conditions as they relate to flood potential, and an outlook on expected spring flood conditions
Local flood messages
There are 3 types of local flood messages:
- flood warning: flooding is imminent or already occurring
- flood watch: there is the potential for flooding
- watershed conditions statements: flood Outlook (an early notice of the potential for flooding based on heavy rain, snow melt etc.) and water safety information.
Who to contact for flood information
Your local Conservation Authority is responsible for local flood messaging.
Your local municipality is responsible for on-the-ground flood response.
If you live in a community that is not serviced by a conservation authority, any flood watches or flood warnings in your area are issued by the nearest Ministry of Natural Resources and Forestry district office.
