[{"data":1,"prerenderedAt":185},["ShallowReactive",2],{"leaderboard-total":3,"spot-seo-portland-bay-reef":9,"spot-portland-bay-reef":51},{"entries":4,"total":5,"period":6,"type":7,"generated_at":8},[],0,"all_time","reports","2026-10-03T06:32:05.526386Z",{"title":10,"description":11,"canonical_url":12,"og_image":13,"structured_data":14,"breadcrumbs":44},"Snorkeling Conditions at Portland Bay Reef - How's the Spot","Check snorkeling conditions at Portland Bay Reef, Victoria. Fair conditions, water 14.6°C, waves 0.27m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fportland-bay-reef","https:\u002F\u002Fhowsthespot.com\u002Fog-default.png",[15,28],{"@context":16,"@type":17,"name":18,"description":19,"url":12,"geo":20,"address":24},"https:\u002F\u002Fschema.org","Place","Portland Bay Reef","Portland Bay Reef sits just outside Portland Harbour, a boat-only site where a rounded limestone reef drops to 10–15 metres and is alive with fish, sea dragons, and the odd crayfish. The reef's pro...",{"@type":21,"latitude":22,"longitude":23},"GeoCoordinates",-38.329167,141.636111,{"@type":25,"addressRegion":26,"addressCountry":27},"PostalAddress","Victoria","Australia",{"@context":16,"@type":29,"name":30,"description":11,"url":12,"breadcrumb":31},"WebPage","Snorkeling Conditions at Portland Bay Reef",{"@context":16,"@type":32,"itemListElement":33},"BreadcrumbList",[34,39,42],{"@type":35,"position":36,"name":37,"item":38},"ListItem",1,"Home","https:\u002F\u002Fhowsthespot.com",{"@type":35,"position":40,"name":26,"item":41},2,"https:\u002F\u002Fhowsthespot.com\u002Fexplore?region=victoria",{"@type":35,"position":43,"name":18,"item":12},3,[45,47,49],{"label":37,"href":46},"\u002F",{"label":26,"href":48},"\u002Fexplore?region=victoria",{"label":18,"href":50},"\u002Fspots\u002Fportland-bay-reef",{"id":52,"name":18,"slug":53,"latitude":22,"longitude":23,"description":54,"difficulty":55,"image_url":56,"status":57,"tide_constituents":58,"hazard_entries":109,"access_info_structured":121,"area_boundary":56,"routes":56,"created_at":130,"updated_at":131,"today_conditions":132,"today_verdict_view":154,"images":181,"submitted_by":182,"region_name":26,"verification_status":184,"verified_at":56,"disputed":138,"verifier_count":5,"last_verified_display_name":56},"112b053c-566b-45bb-9f6f-05e6e4b82f6e","portland-bay-reef","Portland Bay Reef sits just outside Portland Harbour, a boat-only site where a rounded limestone reef drops to 10–15 metres and is alive with fish, sea dragons, and the odd crayfish. The reef's proximity to the working harbour means snorkellers must check for planned ship movements before entering the water. With often-clear water and a sheltered aspect, it's a favourite for underwater photographers who appreciate the mix of rocky structure, kelp growth, and resident marine life.","intermediate",null,"published",{"name":59,"amplitude":75,"phase":91,"latitude":22,"model":107,"epoch":108},[60,61,62,63,64,65,66,67,68,69,70,71,72,73,74],"2N2","J1","K1","K2","M2","M4","MF","MM","N2","O1","P1","Q1","S1","S2","T2",[76,77,78,79,80,81,82,83,84,85,86,87,88,89,90],0.0042156880471880195,0.01018687890272812,0.17719067490647597,0.038991572308003826,0.13008706372617224,0.003411639033620929,0.0052598922977803,0.00444313848454731,0.008934180545435011,0.1306209552364187,0.054607988031962075,0.033684994487025555,0.010153190844770468,0.13679199280720847,0.011935873548443285,[92,93,94,95,96,97,98,99,100,101,102,103,104,105,106],164.81877794608818,281.3254805989403,255.72802287811925,115.49375378058507,44.443082427305285,115.07915459182288,169.02806066981793,246.4019061295407,291.1766945383901,237.4092098304426,250.71204209281507,224.18044630931877,7.714665238233578,113.3329481198889,120.5075285582604,"EOT20","1992-01-01T00:00:00Z",[110,114,118],{"name":111,"description":112,"severity":113,"season_start":56,"season_end":56},"Ship traffic","The reef lies on the outside of the working harbour. Snorkellers must check for planned ship movements before diving.","warning",{"name":115,"description":116,"severity":117,"season_start":56,"season_end":56},"Boat-only access","Accessible only by boat; no shore entry. Requires coordination with a vessel and safe anchoring near the reef.","caution",{"name":119,"description":120,"severity":113,"season_start":56,"season_end":56},"Depth range","The reef drops to 10–15 metres, well beyond recreational snorkelling depth for most. Snorkellers should stay near the surface or use freediving skills.",{"directions":122,"parking":123,"facilities":124,"fees":128,"access_method":129},"Portland Bay Reef is located off the Portland Harbour corkscrew channel. Launch from the Portland boat ramps (Town Jetty or the ramp near the harbour). Head outside the harbour breakwater — the reef is on the outer side of the harbour. Check with the Portland Harbour Master for any scheduled ship movements before launching.","Ample boat and trailer parking is available at the Portland Harbour boat ramp precinct near the Town Jetty.",[125,126,127],"parking","boat_ramp","toilets","No entry fee. Standard boat launching fees may apply at council-managed ramps.","boat","2026-07-27T02:57:25.370781Z","2026-08-04T05:30:44.786464Z",{"verdict":133,"evaluated_at":134,"models":135},"marginal","2026-10-03T02:21:41.582378Z",[136,143,149],{"model_name":137,"is_favourable":138,"value":139,"threshold":140,"unit":141,"operator":142},"Wind Speed",false,17.75,10,"kn","lte",{"model_name":144,"is_favourable":145,"value":146,"threshold":147,"unit":148,"operator":142},"Wave Height",true,0.266,0.5,"m",{"model_name":150,"is_favourable":138,"value":151,"threshold":40,"unit":152,"operator":153},"Visibility",0.99,"","gte",{"verdict":133,"rating":155,"evaluated_at":134,"generated_at":134,"source":156,"confidence":157,"visibility":160,"parameters":161,"models_passed":40,"models_total":176},"Fair","precomputed",{"level":158,"value":159},"High",100,{"score":151,"rating":56,"confidence":56},[162,163,169,172,178],{"name":144,"value":146,"label":56,"unit":148,"favourable":145,"score":43,"optimal_max":147,"marginal_max":36},{"name":164,"value":165,"label":56,"unit":166,"favourable":138,"score":36,"optimal_max":167,"marginal_max":168},"Swell Period",10.9,"s",8,12,{"name":137,"value":170,"label":56,"unit":141,"favourable":138,"score":5,"optimal_max":140,"marginal_max":171},17.751877222716924,15,{"name":173,"value":174,"label":56,"unit":175,"favourable":138,"score":36,"optimal_max":176,"marginal_max":177},"Precipitation",16.1,"mm",5,20,{"name":179,"value":56,"label":180,"unit":152,"favourable":145,"score":43,"optimal_max":56,"marginal_max":56},"Tidal Phase","slack",[],{"display_name":183},"Daniel","unverified",1791009187606]