[{"data":1,"prerenderedAt":249},["ShallowReactive",2],{"leaderboard-total":3,"spot-seo-second-valley-beach-second-valley-reef":9,"spot-second-valley-beach-second-valley-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 Second Valley Beach \u002F Second Valley Reef - How's the Spot","Check snorkeling conditions at Second Valley Beach \u002F Second Valley Reef, South Australia. Fair conditions, water 15.5°C, waves 0.13m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fsecond-valley-beach-second-valley-reef","https:\u002F\u002Fhowsthespot.syd1.cdn.digitaloceanspaces.com\u002Fspots\u002Fimport_second-valley-beach-second-valley-reef_0_c28fd73c7d9f.jpg",[15,28],{"@context":16,"@type":17,"name":18,"description":19,"url":12,"geo":20,"address":24},"https:\u002F\u002Fschema.org","Place","Second Valley Beach \u002F Second Valley Reef","Tucked between rolling green hills and sheer cliff faces on the Fleurieu Peninsula, Second Valley is a stunning coastal gem about 90 minutes south of Adelaide. The sheltered sandy beach gives way t...",{"@type":21,"latitude":22,"longitude":23},"GeoCoordinates",-35.511413,138.218041,{"@type":25,"addressRegion":26,"addressCountry":27},"PostalAddress","South Australia","Australia",{"@context":16,"@type":29,"name":30,"description":11,"url":12,"breadcrumb":31},"WebPage","Snorkeling Conditions at Second Valley Beach \u002F Second Valley 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=south-australia",{"@type":35,"position":43,"name":18,"item":12},3,[45,47,49],{"label":37,"href":46},"\u002F",{"label":26,"href":48},"\u002Fexplore?region=south-australia",{"label":18,"href":50},"\u002Fspots\u002Fsecond-valley-beach-second-valley-reef",{"id":52,"name":18,"slug":53,"latitude":22,"longitude":23,"description":54,"difficulty":55,"image_url":13,"status":56,"tide_constituents":57,"hazard_entries":108,"access_info_structured":154,"area_boundary":113,"routes":113,"created_at":163,"updated_at":164,"today_conditions":165,"today_verdict_view":187,"images":214,"submitted_by":246,"region_name":26,"verification_status":248,"verified_at":113,"disputed":183,"verifier_count":5,"last_verified_display_name":113},"9bfdabf2-ad53-4204-8040-7b3a4fad0e92","second-valley-beach-second-valley-reef","Tucked between rolling green hills and sheer cliff faces on the Fleurieu Peninsula, Second Valley is a stunning coastal gem about 90 minutes south of Adelaide. The sheltered sandy beach gives way to rocky headlands, a historic jetty, and dramatic underwater caves and swim-throughs. The main draw is Lasseter's Reef, a thriving bommie 400 m offshore teeming with fish. Closer in, the boulder-strewn western shoreline, seagrass meadows, and a large cave entrance offer endless exploration for confident snorkellers. Conditions here are exposed to wind and swell, so pick a calm day for the best visibility and safety.","intermediate","published",{"name":58,"amplitude":74,"phase":90,"latitude":22,"model":106,"epoch":107},[59,60,61,62,63,64,65,66,67,68,69,70,71,72,73],"2N2","J1","K1","K2","M2","M4","MF","MM","N2","O1","P1","Q1","S1","S2","T2",[75,76,77,78,79,80,81,82,83,84,85,86,87,88,89],0.022809439982550753,0.012981919419719854,0.2250271853105696,0.06821055934792888,0.3267200423561831,0.004830219388929725,0.002651867682599119,0.01242157409958759,0.020927479863810248,0.15293647295034177,0.06432549459674484,0.03399369006927521,0.010946676421057113,0.2954289291966131,0.024106595566719142,[91,92,93,94,95,96,97,98,99,100,101,102,103,104,105],244.81692536618021,290.7176247825281,268.02560445585686,251.74413616949204,191.5873726805287,319.8679097867176,207.79168857167116,266.6503533436809,282.6731174590324,247.77293921910626,260.5691006519417,236.68311589639217,50.22360851840478,241.28150596418925,207.49333074587818,"EOT20","1992-01-01T00:00:00Z",[109,114,117,121,124,127,130,133,136,139,142,145,148,151],{"name":110,"description":111,"severity":112,"season_start":113,"season_end":113},"Strong currents around the point","Moderate to strong currents can develop around the rocky headland to the left of the jetty, especially on outgoing tides. Swim near the turn of tide for safest conditions.","warning",null,{"name":115,"description":116,"severity":112,"season_start":113,"season_end":113},"Swell and wind exposure","This is an exposed site; southerly and westerly winds produce dangerous conditions. Best snorkelled when wind is under 15 km\u002Fh from the east or north, with swell under 1 m.",{"name":118,"description":119,"severity":120,"season_start":113,"season_end":113},"Sharp rocks at entry points","The path over the rocks to the left of the jetty requires reef shoes. Bare feet risk cuts from sharp oyster-encrusted boulders.","caution",{"name":122,"description":123,"severity":120,"season_start":113,"season_end":113},"Cold water temperatures","Water temperature ranges only 17–22 °C year-round. Hypothermia risk without a wetsuit, even in summer.",{"name":125,"description":126,"severity":112,"season_start":113,"season_end":113},"Long swim to Lasseter's Reef","The best reef is approximately 400 m offshore. Only strong, fit swimmers should attempt this swim. Fatigue can be a serious hazard on the return leg.",{"name":128,"description":129,"severity":112,"season_start":113,"season_end":113},"Strong Currents","Tidal currents can be strong around the point and on the swim to Lasseter's Reef. Best snorkeled at slack tide or on minimal tidal movement.",{"name":131,"description":132,"severity":112,"season_start":113,"season_end":113},"Swell and Exposed Conditions","Second Valley faces north and is exposed to wind and swell. Southerly or westerly winds create poor visibility and dangerous conditions. Best when wind is under 15 km\u002Fh and swell under 1 m.",{"name":134,"description":135,"severity":120,"season_start":113,"season_end":113},"Fishing Lines at Jetty","The jetty is popular with fishers; submerged fishing lines and tackle pose entanglement hazards for snorkelers.",{"name":137,"description":138,"severity":120,"season_start":113,"season_end":113},"Cold Water Temperature","Water temperatures range from 17–22°C year-round. Even in summer a wetsuit is recommended to avoid cold exposure.",{"name":140,"description":141,"severity":120,"season_start":113,"season_end":113},"Rocky Entry Points","The path to the left of the jetty involves traversing jagged rocks to reach the water. Reef shoes essential.",{"name":143,"description":144,"severity":112,"season_start":113,"season_end":113},"Strong tidal currents","Moderate to strong currents can develop around the rocky point and jetty, especially on outgoing tides.",{"name":146,"description":147,"severity":112,"season_start":113,"season_end":113},"Fishing lines and hooks","The jetty is heavily used by anglers; submerged fishing line and hooks pose an entanglement risk.",{"name":149,"description":150,"severity":120,"season_start":113,"season_end":113},"Sharp rocks","Entry from the rocky path left of the jetty requires reef shoes; rocks are sharp and slippery.",{"name":152,"description":153,"severity":112,"season_start":113,"season_end":113},"Southerly\u002Fwesterly swell","Exposed to southerly and westerly winds which can quickly reduce visibility and create challenging conditions.",{"directions":155,"parking":156,"facilities":157,"fees":161,"access_method":162},"From Adelaide, drive south on the M1 to Yankalilla, then follow Second Valley Road to the coast (approx 90 minutes). The road ends at the jetty carpark. The beach is flanked on both sides of the jetty. A rocky path leads left of the jetty to access the caves and points.","Small car park at the end of the road near the jetty (fills early on summer weekends). Overflow parking along the road opposite the caravan park.",[158,159,160],"toilets","picnic_tables","parking","No entry fee. Parking is free.","shore_entry","2026-07-27T02:57:18.224816Z","2026-08-04T05:34:24.990839Z",{"verdict":166,"evaluated_at":167,"models":168},"marginal","2026-10-03T02:18:37.935371Z",[169,176,181],{"model_name":170,"is_favourable":171,"value":172,"threshold":173,"unit":174,"operator":175},"Wind Speed",true,1.6,10,"kn","lte",{"model_name":177,"is_favourable":171,"value":178,"threshold":179,"unit":180,"operator":175},"Wave Height",0.132,0.5,"m",{"model_name":182,"is_favourable":183,"value":184,"threshold":40,"unit":185,"operator":186},"Visibility",false,0.99,"","gte",{"verdict":166,"rating":188,"evaluated_at":167,"generated_at":167,"source":189,"confidence":190,"visibility":193,"parameters":194,"models_passed":40,"models_total":209},"Fair","precomputed",{"level":191,"value":192},"High",100,{"score":184,"rating":113,"confidence":113},[195,196,202,205,211],{"name":177,"value":178,"label":113,"unit":180,"favourable":171,"score":43,"optimal_max":179,"marginal_max":36},{"name":197,"value":198,"label":113,"unit":199,"favourable":183,"score":36,"optimal_max":200,"marginal_max":201},"Swell Period",8.55,"s",8,12,{"name":170,"value":203,"label":113,"unit":174,"favourable":171,"score":43,"optimal_max":173,"marginal_max":204},1.603668,15,{"name":206,"value":207,"label":113,"unit":208,"favourable":183,"score":5,"optimal_max":209,"marginal_max":210},"Precipitation",35.2,"mm",5,20,{"name":212,"value":113,"label":213,"unit":185,"favourable":183,"score":36,"optimal_max":113,"marginal_max":113},"Tidal Phase","ebb",[215,218,225,232,239,243],{"id":216,"image_url":13,"sort_order":5,"is_primary":171,"moderation_status":217,"license":113,"license_url":113,"attribution":113,"author_name":113},"0960ab1e-6f6d-4c32-8f46-405e00910e14","approved",{"id":219,"image_url":220,"sort_order":36,"is_primary":183,"moderation_status":217,"license":221,"license_url":222,"attribution":223,"author_name":224},"ec35f1b6-16b2-4d61-9808-c68d86656361","https:\u002F\u002Fhowsthespot.syd1.cdn.digitaloceanspaces.com\u002Fspots\u002Fimport_second-valley-beach-second-valley-reef_1_be538d991a6e.jpg","CC BY 3.0","https:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby\u002F3.0\u002F","Photo by Shav Bird","Shav Bird",{"id":226,"image_url":227,"sort_order":40,"is_primary":183,"moderation_status":217,"license":228,"license_url":229,"attribution":230,"author_name":231},"6e06acc0-eb68-4f3d-99a5-0760475c5a1a","https:\u002F\u002Fhowsthespot.syd1.cdn.digitaloceanspaces.com\u002Fspots\u002Fimport_second-valley-beach-second-valley-reef_2_12f9a1778c2f.jpg","CC0","https:\u002F\u002Fcreativecommons.org\u002Fpublicdomain\u002Fzero\u002F1.0\u002F","Photo by State Government Photographer","State Government Photographer",{"id":233,"image_url":234,"sort_order":43,"is_primary":183,"moderation_status":217,"license":235,"license_url":236,"attribution":237,"author_name":238},"298e237f-fd5a-4c63-905d-800be2849b7f","https:\u002F\u002Fhowsthespot.syd1.cdn.digitaloceanspaces.com\u002Fspots\u002Fimport_second-valley-beach-second-valley-reef_3_34690adcf81e.jpg","Public domain","https:\u002F\u002Fcreativecommons.org\u002Fpublicdomain\u002Fmark\u002F1.0\u002F","Photo by Blahthethird at English Wikipedia","Blahthethird at English Wikipedia",{"id":240,"image_url":241,"sort_order":242,"is_primary":183,"moderation_status":217,"license":228,"license_url":229,"attribution":230,"author_name":231},"80e476c3-f91d-4c8c-a4c8-73b20bb733d6","https:\u002F\u002Fhowsthespot.syd1.cdn.digitaloceanspaces.com\u002Fspots\u002Fimport_second-valley-beach-second-valley-reef_4_553d99123b91.jpg",4,{"id":244,"image_url":245,"sort_order":209,"is_primary":183,"moderation_status":217,"license":228,"license_url":229,"attribution":230,"author_name":231},"8bab43ce-3a28-4f92-8b28-1fffc0db997c","https:\u002F\u002Fhowsthespot.syd1.cdn.digitaloceanspaces.com\u002Fspots\u002Fimport_second-valley-beach-second-valley-reef_5_8f5e787eae01.jpg",{"display_name":247},"Daniel","unverified",1791009194424]