Flood check, Portsmith
Has Portsmith flooded?
No historic flood extent has been mapped for the Portsmith area by the state or the council.
- Nearest flood-warning gauge: Cairns, Mulgrave-Russell basin — 2 km from the centre of Portsmith.
An extent is the official maximum-inundation line for that event. "Reaches into Portsmith" means the mapped line crosses the suburb boundary — most of the suburb may be well clear of it, which is why the address check below matters. Events are listed only where the state or council has mapped this area.
Check your own address in Portsmith
Free, and no sign-up: the flood layers on that lot, and whether each recorded flood reaches it. The full report ($49 incl. GST) adds every planning layer, maps, easements and the development applications around the site.
Checking the planning layers for this site — this takes 10–20 seconds…
About Portsmith
Census 2021, Australian Bureau of Statistics — the suburb, not this street.