{"city":"Puerto Williams","region":"CL-MA","country":"CL","slug":"puerto-williams","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"SCGZ","name":"Guardia Marina Za\u00f1artu Airport","subCat1HoursPerYear":34,"forecast":"climatology"}],"primaryStation":"SCGZ","forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. dense fog (visibility under a mile) is rare here in August (10-year average)."},"climatology":{"subCat1HoursPerYear":34,"fogSeasonPeakMonths":["June","September"],"medianEventHours":null,"season":{"summary":"Fog season is June, September, peaking in June; fog is mostly a 9 PM\u20139 PM phenomenon; typically thinning out by 10 PM (local time, 10-year average).","months":["June","September"],"timeOfDay":"9 PM\u20139 PM","typicallyClearsBy":"10 PM"}},"links":{"page":"https://fogatlas.org/fog/city/puerto-williams/","stationPages":["https://fogatlas.org/fog/scgz/"],"verification":"https://fogatlas.org/fog/scorecard/"}}