Flood Risk in South Arm, TAS: 2026 Assessment

South Arm, located in Tasmania, 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 Tasmania.

Historical flood events have impacted low-lying areas of South Arm, particularly during periods of heavy rainfall and storm surges.

South Arm faces a moderate risk of flooding, primarily from heavy rainfall events and potential coastal inundation. The risk is expected to increase with climate change.

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.

South Arm sits within ClimateNest's suburb-level hazard model for flood risk. 9.1% of the suburb's land area is mapped in high-risk flood zones and 84.3% 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 South Arm.

South Arm (postcode 7022) 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 surface flood (14.2% of land in high-risk zones), riverine flood (9.1% of land in high-risk zones), bushfire (7.7% of land in high-risk zones). Exposure is not uniform across South Arm — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.