Meet the site
Blizzard Ridge is regularly named the best dive in Lighthouse Bay, and it earns the title through fish rather than geology. The site is essentially a long crack in the reef platform that forms a ridge, running across a sandy bottom at 12–14 m on the two southernmost moorings in the bay. The ridge rises a few metres, with overhangs, cracks and ledges along its flanks.
The name hints at the main event: huge congregations of fish that at times obscure the reef. Schools of fusiliers, snapper, sweetlips and trevally swarm along the ridge, and resident reef fish crowd every ledge. Turtles rest in the cracks, sea snakes forage along the bottom, whitetip reef sharks and wobbegongs lie under the overhangs, and nudibranchs and other small life reward a slower pace. A manta cleaning station on the ridge brings occasional manta rays in, and during humpback season (July–October) whale song is often audible underwater and whales may pass the boat during surface intervals.
Lighthouse Bay works as a marine life magnet because the surrounding sea floor is largely sand; the ridge-lines are the only structure for some distance. The shallow depth and generally mild current make it suitable for new divers and Discover Scuba participants, while the fish density keeps experienced divers and photographers happy.
Hard coral at Lighthouse Bay was hit during the 2025 marine heatwave, and operators have steered trips here while the Muiron Islands are paused. Expect some bleached or dead coral, but the fish life that makes Blizzard Ridge famous has remained.
Research this site before booking Stored site notes may be historical. These questions highlight gaps without turning old instructions into a current dive plan.
Blizzard Ridge is recorded as Reef in Ningaloo – Exmouth. The listed access is boat (day trip). Confirm the actual meeting point, route and permission to visit; a map pin does not establish any of these.
Topics flagged by the stored research
These are questions prompted by the existing notes, not a verified or complete hazard assessment.
- Current and timing
- Ask how the operator assesses the current window for the actual route. Historical tide notes are not a departure instruction.
- Other water users
- Ask about vessel activity, exclusion areas and the agreed surface arrangements.
- Water movement
- Ask how swell and local exposure affect the proposed entry, exit and route.
Historical access notes exist for this record, but have not been independently verified for current use. Request current directions from the operator or site manager rather than following an old entry description.
Questions, answered
Is Blizzard Ridge suitable for my certification?
The record lists Open Water. That does not establish suitability for every route or day. Share your training, recent experience and equipment needs with the operator and ask about the specific proposed dive.
Can I book Blizzard Ridge through YouDive?
YouDive is an independent research directory. Contact an operator directly to confirm whether it currently runs the trip, the inclusions and the booking terms.
What you might see
Massive schools of fusiliers, snapper, sweetlips and trevally, reef fish schools, sea snakes, green and hawksbill turtles, whitetip reef sharks, wobbegongs, moray eels, lionfish, potato cod, nudibranchs, manta rays (cleaning station, occasional), humpback whales (seasonal, heard underwater)
Location
Linear reef ridge on the two southernmost public moorings of Lighthouse Bay, on the northern tip of North West Cape north of Vlamingh Head Lighthouse.
Facilities nearby
Bundegi boat ramp: toilets, shade, parking; air fills and hire at Exmouth dive shops
Before you make plans
Conditions, access and operator schedules can change. This is a location guide, not a dive plan. Ask a local operator about current conditions and suitability for your training and experience.
Sources & further reading
aussiemarineadventures.com.audiveningaloo.com.auningaloowhalesharks.comexmouthresort.net.auwhalesharktours.com.auaims.gov.auRecord updated 26 Sept 2026. Source claims are being reviewed.