{"city":"Den Helder","region":"NL-NH","country":"NL","slug":"den-helder","updated":"2026-08-16T02:45Z","window":{"start":"2016-01-01","through":"2026-08-15"},"stations":[{"icao":"EHKD","name":"De Kooy Airfield / Den Helder Naval Air Station","subCat1HoursPerYear":202,"forecast":"climatology"}],"primaryStation":"EHKD","forecast":{"covered":false,"public":false,"wording":"No fog forecast feed exists for this station. August typically brings about 2 hours of dense fog here (10-year average)."},"climatology":{"subCat1HoursPerYear":202,"fogSeasonPeakMonths":["December","January"],"medianEventHours":2,"season":{"summary":"Fog season runs October through March, peaking in December; fog here can hit at any hour of the day; a typical event lasts about 2 hours (local time, 10-year average).","months":["January","February","March","October","November","December"],"timeOfDay":"any hour of the day","typicallyClearsBy":null}},"links":{"page":"https://fogatlas.org/fog/city/den-helder/","stationPages":["https://fogatlas.org/fog/ehkd/"],"verification":"https://fogatlas.org/fog/scorecard/"}}