Coastal Hazard Warning for Abnormally High Tides and Damaging Surf in WA
Areazine synthesizes this BoM weather warning directly from BOM's official public data feed. See our methodology for full source attribution and refresh cadence.
BOM issues Coastal Hazard Warning for abnormally high tides and damaging surf affecting parts of Central West, Lower West, South West, South Coastal and South East Coastal districts in Western Australia.
What this BoM weather warning tells you, and what most readers miss
This notice was issued by BOM on May 29, 2026 and geographically references Southwest Western Australia. Its severity classification of "medium" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Weather Warnings - determines the warning protocol behind it, which shapes what protective action (seeking shelter, following evacuation orders if issued, monitoring official updates) is recommended and which agency holds authority to issue or cancel it.
Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly BOM detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action, a single localized BoM weather warning is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.
For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, Coastal Hazard Warning, WA) map to related alerts in the same area of risk - browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.
Alert Details
Coastal Hazard Warning (warning_id: IDW21137) issued by the Australian Government Bureau of Meteorology (BOM) for abnormally high tides and damaging surf. Issued at 2:51 pm AWST Friday, 29 May 2026. Warning phase: new. Severity: Moderate.
Affected Areas
Parts of Central West, Lower West, South West, South Coastal and South East Coastal forecast districts in Western Australia. Locations which may be affected include Albany, Bunbury, Esperance, Geraldton, Mandurah, Margaret River and Perth. Abnormally high tides likely between Gregory and Cape Naturaliste, and between Jurien Bay and Israelite Bay.
What You Should Do
If boating, swimming or surfing, leave the water. Keep away from coastal areas including beaches, tidal rivers, creeks, cliff areas and sand dunes. Beach closures may be in place; follow the advice of local authorities. Keep away from flooded drains. Do not drive into water of unknown depth and current. If you live in the risk area, be prepared to relocate to a safer place. Move furniture and other items up high to avoid water damage. Have an evacuation kit ready including medicines, important documents, pet supplies and clothing. In a life threatening situation call 000. If your home or property has significant damage, like flooding, call the SES on 132 500.
Expected Conditions
A deepening low pressure system is forecast to approach the southwest during Sunday bringing strong to gale force westerly winds, elevated sea levels and large and powerful waves. Abnormally high tides which may lead to sea water flooding of low-lying coastal areas. Damaging surf conditions which may lead to coastal erosion and localised damage to coastal infrastructure.
Timeline
Issued at 2:51 pm AWST Friday, 29 May 2026. Abnormally high tides and damaging surf possible from Sunday morning high tide between Gregory and Cape Naturaliste, continuing with damaging surf possible between Gregory and Cape Leeuwin through to Monday afternoon. Sea levels and waves remaining elevated until Monday afternoon. The next Coastal Hazard Warning will be issued by 11:00 pm AWST Friday. Warning expires 2026-05-29T15:51:37Z.
Original source: BOM Official Notice ↗
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