[{"data":1,"prerenderedAt":276},["ShallowReactive",2],{"leaderboard-total":3,"spot-seo-twofold-bay-general-dive-snorkel-area":9,"spot-twofold-bay-general-dive-snorkel-area":51},{"entries":4,"total":5,"period":6,"type":7,"generated_at":8},[],0,"all_time","reports","2026-10-02T06:59:37.379659Z",{"title":10,"description":11,"canonical_url":12,"og_image":13,"structured_data":14,"breadcrumbs":44},"Snorkeling Conditions at Twofold Bay (general dive\u002Fsnorkel area) - How's the Spot","Check snorkeling conditions at Twofold Bay (general dive\u002Fsnorkel area), Victoria. Good conditions, water 18.2°C, waves 0.64m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Ftwofold-bay-general-dive-snorkel-area","https:\u002F\u002Fhowsthespot.syd1.cdn.digitaloceanspaces.com\u002Fspots\u002Fimport_twofold-bay-general-dive-snorkel-area_0_a4cae5a3e30e.jpg",[15,28],{"@context":16,"@type":17,"name":18,"description":19,"url":12,"geo":20,"address":24},"https:\u002F\u002Fschema.org","Place","Twofold Bay (general dive\u002Fsnorkel area)","Twofold Bay, the third deepest natural harbour in the Southern Hemisphere, flanks the town of Eden on the NSW Sapphire Coast. Its pristine, sheltered waters encompass multiple entry points — from t...",{"@type":21,"latitude":22,"longitude":23},"GeoCoordinates",-37.084368,149.927699,{"@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 Twofold Bay (general dive\u002Fsnorkel area)",{"@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\u002Ftwofold-bay-general-dive-snorkel-area",{"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":185,"area_boundary":126,"routes":126,"created_at":195,"updated_at":196,"today_conditions":197,"today_verdict_view":218,"images":243,"submitted_by":273,"region_name":26,"verification_status":275,"verified_at":126,"disputed":209,"verifier_count":5,"last_verified_display_name":126},"06823795-4493-433b-8d1f-ac0bd8dd2ebf","twofold-bay-general-dive-snorkel-area","Twofold Bay, the third deepest natural harbour in the Southern Hemisphere, flanks the town of Eden on the NSW Sapphire Coast. Its pristine, sheltered waters encompass multiple entry points — from the ocean-fed rock pools and surf breaks at Aslings Beach to the tranquil shallows of Cocora Beach and Boydtown Beach along the Nullica River. The bay's deep-water port and historic wharf structures create artificial reefs teeming with marine life, while nearby caves and rock formations offer interesting topography for snorkellers to explore. Known for its exceptionally clean, clear waters, Twofold Bay is also a renowned whale-watching destination during migration season.","beginner","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],0.02056350294321786,0.010646331578280054,0.160223211809895,0.033217326660334605,0.46404762926382,0.008592365009127608,0.009664164988548649,0.007567084662075676,0.10458337250647982,0.09580690903331253,0.050129252068953425,0.022290386203222084,0.001539958135488921,0.0965092787025381,0.004940417076355838,[91,92,93,94,95,96,97,98,99,100,101,102,103,104,105],295.0807205128152,352.43892340485587,320.30916418777144,304.8690865471064,308.8834117318185,266.3860606485491,208.9223113520469,230.60648103258677,300.67441060128624,288.79185864407253,319.636160321611,277.5315941415642,235.83099385015055,322.8514798963514,345.54506638345015,"EOT20","1992-01-01T00:00:00Z",[109,115,120,123,127,130,133,136,139,142,145,149,152,156,159,163,166,169,173,176,179,182],{"name":110,"description":111,"severity":112,"season_start":113,"season_end":114},"Cold water temperatures","Water temperatures can be cool year-round due to southerly currents; a wetsuit (3-5mm) is recommended.","caution",5,11,{"name":116,"description":117,"severity":118,"season_start":36,"season_end":119},"Boat traffic","Commercial shipping, cruise ships, Navy vessels and recreational boats operate in the port area of the bay; stay clear of shipping channels.","warning",12,{"name":121,"description":122,"severity":118,"season_start":119,"season_end":119},"Unpatrolled beaches","Most beaches in Twofold Bay are unpatrolled — no lifeguards. Only Aslings Beach has summer patrols.",{"name":124,"description":125,"severity":118,"season_start":126,"season_end":126},"Strong Tidal Currents","As a deep natural harbour with significant tidal exchange, currents can be strong around the heads, the entrance, and near the Navy Wharf. Check tide charts before entering.",null,{"name":128,"description":129,"severity":112,"season_start":126,"season_end":126},"Rocky Reef & Cave Hazards","Offshore reefs and caves popular with divers present entanglement and disorientation risks for inexperienced snorkelers. Strong surge can push swimmers into sharp reef edges.",{"name":131,"description":132,"severity":112,"season_start":126,"season_end":126},"Strong currents at headlands","Tidal currents can run strongly around the headlands and at the entrance to the bay, particularly during outgoing tides.",{"name":134,"description":135,"severity":118,"season_start":126,"season_end":126},"Shallow entrance currents","The entrance to the sea at certain creek and lagoon entrances around the bay can be very shallow and dangerous, with strong outflow currents.",{"name":137,"description":138,"severity":112,"season_start":114,"season_end":119},"Bluebottle Jellyfish","Bluebottle jellyfish can be present in warmer months.",{"name":140,"description":141,"severity":118,"season_start":126,"season_end":126},"Boat traffic in Port of Eden","Twofold Bay is a working deep-water harbour with commercial shipping, navy vessels and cruise ships. Snorkellers must stay clear of shipping channels and wharf areas.",{"name":143,"description":144,"severity":112,"season_start":36,"season_end":119},"Changing Tidal Currents","Tidal flows through the bay entrance and around headlands can create unexpected currents, especially near entrance channels.",{"name":146,"description":147,"severity":112,"season_start":43,"season_end":148},"Poor Visibility After Storms","Runoff from the Nullica River and surrounding catchment can reduce visibility drastically after heavy rainfall, particularly in autumn and winter.",8,{"name":150,"description":151,"severity":118,"season_start":126,"season_end":126},"Confined cave swim-throughs","Cave and swim-through entrances can be narrow and require good buoyancy control; low visibility may disorient in enclosed spaces.",{"name":153,"description":154,"severity":118,"season_start":155,"season_end":148},"Swell surge in caves","Swell surge can push divers into cave walls; calm seas (less than 1m) essential for safe cave penetration.",6,{"name":157,"description":158,"severity":112,"season_start":126,"season_end":126},"Variable depth transitions","Some cave sites have sudden depth changes from shallow (5m) to deep beyond 20m, risking rapid descent without proper weighting.",{"name":160,"description":161,"severity":162,"season_start":126,"season_end":126},"Commercial vessel traffic","Twofold Bay hosts a deep-water port with commercial shipping. Snorkelers must stay well clear of shipping lanes and avoid areas near the Port of Eden wharves.","danger",{"name":164,"description":165,"severity":118,"season_start":126,"season_end":126},"Swell and rip currents","Ocean swells can push into the bay entrance and exposed beaches like Aslings Beach, creating strong rip currents, especially during southerly winds.",{"name":167,"description":168,"severity":112,"season_start":126,"season_end":126},"Shark presence","Bull sharks and other sharks are occasionally sighted in the bay and estuarine areas, particularly near river mouths during warmer months.",{"name":170,"description":171,"severity":112,"season_start":155,"season_end":172},"Cool water temperatures (winter\u002Fspring)","Water temperatures drop significantly from June to October, with conditions requiring a 7mm wetsuit or drysuit for comfort and safety.",10,{"name":174,"description":175,"severity":112,"season_start":155,"season_end":114},"Variable visibility","While summer and autumn often see 20m+ visibility, winter and spring can bring reduced viz due to swell and run-off.",{"name":177,"description":178,"severity":112,"season_start":36,"season_end":119},"Boat traffic in harbour","Twofold Bay is a working harbour with commercial and recreational vessel traffic; snorkellers and divers must maintain surface awareness and use a dive float.",{"name":180,"description":181,"severity":112,"season_start":36,"season_end":119},"Variable currents","Tidal flows through the bay entrance and around the wharves can create moderate currents, particularly on outgoing tides.",{"name":183,"description":184,"severity":118,"season_start":36,"season_end":119},"Depth on wreck sites","The Tasman Hauler wreck sits at 20–25m depth and the Henry Bolte at 20–25m, beyond recreational snorkelling limits; these are scuba-dive only sites for certified divers.",{"directions":186,"parking":187,"facilities":188,"fees":193,"access_method":194},"Twofold Bay surrounds the town of Eden, NSW, approximately 500 km south of Sydney on the Princes Highway. Popular snorkelling entry points include Cocora Beach (Ida Rodd Drive, southern Eden), Aslings Beach (Aslings Beach Road, east of town centre), and Boydtown Beach (Boydtown Park Road, 8 km south of Eden).","Parking available at Aslings Beach (car park near the tidal pool), Cocora Beach (roadside parking on Ida Rodd Drive), Boydtown Beach (lagoon parking at both ends), and Bungo Beach (small car park off dirt track from Quarantine Bay).",[189,190,191,192],"toilets","parking","showers","picnic_tables","No fees for beach access. Dive operators in Eden charge for boat-based excursions to wreck and reef sites.","shore_entry","2026-07-27T02:54:24.197155Z","2026-08-04T05:30:44.786390Z",{"verdict":198,"evaluated_at":199,"models":200},"go","2026-10-02T02:15:28.280798Z",[201,207,213],{"model_name":202,"is_favourable":203,"value":204,"threshold":172,"unit":205,"operator":206},"Wind Speed",true,0.25,"kn","lte",{"model_name":208,"is_favourable":209,"value":210,"threshold":211,"unit":212,"operator":206},"Wave Height",false,0.644,0.5,"m",{"model_name":214,"is_favourable":209,"value":215,"threshold":40,"unit":216,"operator":217},"Visibility",1.35,"","gte",{"verdict":198,"rating":219,"evaluated_at":199,"generated_at":199,"source":220,"confidence":221,"visibility":224,"parameters":225,"models_passed":43,"models_total":113},"Good","precomputed",{"level":222,"value":223},"High",100,{"score":215,"rating":126,"confidence":126},[226,228,232,235,240],{"name":208,"value":227,"label":126,"unit":212,"favourable":209,"score":36,"optimal_max":211,"marginal_max":36},0.6443428888553525,{"name":229,"value":230,"label":126,"unit":231,"favourable":203,"score":43,"optimal_max":148,"marginal_max":119},"Swell Period",7.05,"s",{"name":202,"value":233,"label":126,"unit":205,"favourable":203,"score":43,"optimal_max":172,"marginal_max":234},0.24964099934004952,15,{"name":236,"value":237,"label":126,"unit":238,"favourable":203,"score":43,"optimal_max":113,"marginal_max":239},"Precipitation",4.6,"mm",20,{"name":241,"value":126,"label":242,"unit":216,"favourable":209,"score":36,"optimal_max":126,"marginal_max":126},"Tidal Phase","ebb",[244,250,253,259,266],{"id":245,"image_url":13,"sort_order":5,"is_primary":203,"moderation_status":246,"license":247,"license_url":126,"attribution":248,"author_name":249},"de21e461-499e-4067-9be0-6e00d982433d","approved","CC BY 3.0","Photo by Matilda","Matilda",{"id":251,"image_url":252,"sort_order":36,"is_primary":209,"moderation_status":246,"license":247,"license_url":126,"attribution":248,"author_name":249},"1ccae692-a841-4d36-9f37-d230a8c06a54","https:\u002F\u002Fhowsthespot.syd1.cdn.digitaloceanspaces.com\u002Fspots\u002Fimport_twofold-bay-general-dive-snorkel-area_1_1d8e38d46d23.jpg",{"id":254,"image_url":255,"sort_order":40,"is_primary":209,"moderation_status":246,"license":256,"license_url":126,"attribution":257,"author_name":258},"8e47ad52-9494-4967-bd28-62f40389c12d","https:\u002F\u002Fhowsthespot.syd1.cdn.digitaloceanspaces.com\u002Fspots\u002Fimport_twofold-bay-general-dive-snorkel-area_2_9472f4979066.jpg","Public domain","Photo by Searcy, Alfred","Searcy, Alfred",{"id":260,"image_url":261,"sort_order":43,"is_primary":209,"moderation_status":246,"license":262,"license_url":263,"attribution":264,"author_name":265},"c0a2b898-d9f4-43ab-be90-404cab76e0f9","https:\u002F\u002Fhowsthespot.syd1.cdn.digitaloceanspaces.com\u002Fspots\u002Fimport_twofold-bay-general-dive-snorkel-area_3_4531cf42a283.jpg","CC BY-SA 4.0","https:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F","Photo by Supsoph","Supsoph",{"id":267,"image_url":268,"sort_order":269,"is_primary":209,"moderation_status":246,"license":256,"license_url":270,"attribution":271,"author_name":272},"c095f5fe-c15d-4b3c-8435-b1e318a40c21","https:\u002F\u002Fhowsthespot.syd1.cdn.digitaloceanspaces.com\u002Fspots\u002Fimport_twofold-bay-general-dive-snorkel-area_4_23dbbcf05f41.jpg",4,"https:\u002F\u002Fcreativecommons.org\u002Fpublicdomain\u002Fmark\u002F1.0\u002F","Photo by Oswald Walters Brierly","Oswald Walters Brierly",{"display_name":274},"Daniel","unverified",1790924518328]