[{"data":1,"prerenderedAt":212},["ShallowReactive",2],{"leaderboard-total":3,"spot-seo-glennie-islands-great-glennie-island-dannevig-island-citadel-island-mchugh-island":9,"spot-glennie-islands-great-glennie-island-dannevig-island-citadel-island-mchugh-island":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 Glennie Islands - How's the Spot","Check snorkeling conditions at Glennie Islands, Victoria. Fair conditions, water 14.2°C, waves 0.52m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fglennie-islands-great-glennie-island-dannevig-island-citadel-island-mchugh-island","https:\u002F\u002Fhowsthespot.syd1.cdn.digitaloceanspaces.com\u002Fspots\u002Fimport_glennie-islands-great-glennie-island-dannevig-island-citadel-island-mchugh-island_0_2273cb9b2c53.jpg",[15,28],{"@context":16,"@type":17,"name":18,"description":19,"url":12,"geo":20,"address":24},"https:\u002F\u002Fschema.org","Place","Glennie Islands","The Glennie Islands — Great Glennie, Dannevig, Citadel, and McHugh — are a rugged granite archipelago off the wild west coast of Wilsons Promontory National Park in Victoria's Gippsland region. The...",{"@type":21,"latitude":22,"longitude":23},"GeoCoordinates",-38.9,146.1,{"@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 Glennie Islands",{"@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\u002Fglennie-islands-great-glennie-island-dannevig-island-citadel-island-mchugh-island",{"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":132,"area_boundary":140,"routes":140,"created_at":141,"updated_at":142,"today_conditions":143,"today_verdict_view":164,"images":189,"submitted_by":209,"region_name":26,"verification_status":211,"verified_at":140,"disputed":155,"verifier_count":5,"last_verified_display_name":140},"0e6b4e96-0e50-4380-807d-57e1b153490f","glennie-islands-great-glennie-island-dannevig-island-citadel-island-mchugh-island","The Glennie Islands — Great Glennie, Dannevig, Citadel, and McHugh — are a rugged granite archipelago off the wild west coast of Wilsons Promontory National Park in Victoria's Gippsland region. These remote, windswept isles are surrounded by cool, nutrient-rich Bass Strait waters that surge through narrow channels and around rocky reefs. Great Glennie Island features a small sheltered cove with a pocket beach, while the entire group offers dramatic sea cliffs, offshore reefs, and dense kelp forests. Accessible only by private boat or charter, this is a pristine, adventurous snorkeling destination for those seeking solitude and raw, untamed marine environments far from the crowds.","advanced","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],0.02765586966744681,0.013024617082038486,0.23083786172243181,0.045195186118512545,0.858706675907148,0.024168740341770665,0.007817187255367281,0.004589425477185642,0.19096125917326498,0.15501326150507094,0.07295825504932756,0.039364996010142206,0.009620308760275033,0.19579252797935415,0.017306753177512048,[91,92,93,94,95,96,97,98,99,100,101,102,103,104,105],323.2358003442202,312.9332615288206,286.2606145544513,190.74796192817018,39.43436747836543,162.9673458022923,191.9473563122657,258.7193667810225,3.9701296962421684,262.9232269287171,281.9316865003149,251.02495119217417,5.897999796310245,183.11307664196192,170.8242207241526,"EOT20","1992-01-01T00:00:00Z",[109,114,120,123,128],{"name":110,"description":111,"severity":112,"season_start":36,"season_end":113},"Strong Ocean Currents","Bass Strait currents and tidal movement between the islands can be powerful and unpredictable, particularly in channels between islands.","danger",12,{"name":115,"description":116,"severity":117,"season_start":118,"season_end":119},"Cold Water Temperature","Southern Ocean waters remain cold year-round (12-18°C), increasing risk of hypothermia during extended snorkeling sessions.","warning",5,10,{"name":121,"description":122,"severity":112,"season_start":36,"season_end":113},"Remote Location","The islands are isolated with no facilities, phone reception, or immediate emergency services; self-rescue or satellite communication is essential.",{"name":124,"description":125,"severity":117,"season_start":126,"season_end":127},"Exposed Swell & Surge","South-westerly swells pound the exposed western shores with significant surge around rocks and reefs, especially in rough weather.",6,9,{"name":129,"description":130,"severity":131,"season_start":36,"season_end":113},"Slippery Granite Rocks","The islands' granite shoreline and intertidal rocks are extremely slippery with marine growth, posing a slip-and-fall hazard during entry and exit.","caution",{"directions":133,"parking":134,"facilities":135,"fees":138,"access_method":139},"The Glennie Islands lie off the west coast of Wilsons Promontory, approximately 8 km south-west of the Tidal River area. Access is by private boat or charter only — launch from Yanakie or Port Welshpool, or join a guided kayak\u002Fboat tour from Tidal River. No public ferry service. The sheltered cove on Great Glennie Island's eastern side offers the most viable landing and snorkel entry point.","Park at Tidal River carpark within Wilsons Promontory National Park (park entry fees apply). From there, water access requires a kayak\u002Fboat launch from Norman Beach or Tidal River jetty. Alternatively, park at Yanakie boat ramp or Port Welshpool for private vessel launches.",[136,137],"toilets","parking","Wilsons Promontory National Park entry fee applies (per vehicle). Private boat launching fees may apply at Yanakie or Port Welshpool ramps. 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