Flood Risk in Alma, WA: 2026 Assessment

Alma, located in Western Australia, has a notable flood risk profile based on available data including proximity to waterways, elevation, and historical flood events. The Bureau of Meteorology (BOM) maintains river height and flood warning data for catchments across Western Australia.

Local council records may provide more specific flood risk information.

Alma faces a moderate risk of flooding due to its location and rainfall patterns. Climate change is expected to increase the intensity of rainfall events, potentially worsening flood risk.

For a comprehensive property-specific flood assessment including address-level elevation data, flood overlay mapping, and insurance cost estimates, use the ClimateNest full analysis tool. General suburb data cannot replace a site-specific evaluation.

Alma sits within ClimateNest's suburb-level hazard model for flood risk. 3.9% of the suburb's land area is mapped in high-risk flood zones and 81.5% in moderate-risk zones, based on the national hazard overlay. Exposure at this scale varies street by street, which is why an address-level check matters before you buy or insure a specific property in Alma.

Alma (postcode 6535) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are bushfire (22.4% of land in high-risk zones), surface flood (7.3% of land in high-risk zones), extreme wind (4.2% of land in high-risk zones). Exposure is not uniform across Alma — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.