Ministry of FLNRO

Flood Warnings and Advisories

ENDED - High Streamflow Advisory – South Coast
ISSUED: November 27, 2017 11:00 AM

The River Forecast Centre is ending the High Streamflow Advisories for:

  • Howe Sound including the Stawamus River, Cheakamus River and Squamish River and tributaries in the Squamish area
  • North Shore Mountains including the Seymour River, Coquitlam River and surrounding tributaries
  • Chilliwack including the Chilliwack River and upstream tributaries

Rainfall over the weekend has now passed through river systems in the region, and flows are now receding.


The River Forecast Centre will continue to monitor conditions and update this advisory as conditions warrant.


 A High Streamflow Advisory means that river levels are rising or expected to rise rapidly, but that no major flooding is expected.  Minor flooding in low-lying areas is possible.
 A Flood Watch means that river levels are rising and will approach or may exceed bankfull.  Flooding of areas adjacent to affected rivers may occur.
 A Flood Warning means that river levels have exceeded bankfull or will exceed bankfull imminently, and that flooding of areas adjacent to the rivers affected will result.