Links
Useful resources for diving in Kosterhavet, Ringdalsfjorden and Iddefjorden.
Dive centers
https://gradient-technical.com – Training, equipment and expedition support.
http://www.tridentdivers.se – The only dive center in Kosterhavets National Park.
http://www.hadykk.no – Dive
Dive clubs
http://www.stromstadssportdykarklubb.se – World class diving and BBQ in Strömstad, Sweden.
http://www.haldensportsdykkere.org – Our friends in Halden, Norway.
Weather & tide
https://www.smhi.se/ – weather forecast for Sweden by Swedish SMHI. Probably the most accurate forecast for Strömstad and Nord-Koster. App available on App Store and Google Play.
https://www.yr.no/ – worldwide weather forecast by Norwegian Yr. For diving in Kosterhavet National Park look up the forecast for Strömstad or Nord-Koster.
https://www.kartverket.no/sehavniva/ – Norwegian web service providing tide tables for any location in Norway, by name, position or on the map, including the border fjords Ringdalsfjorden and Iddefjorden.