Could you give some sources for this? I can't seem to find anything with a cursory search, but I'd be interested in reading.
> Firms struggle to cope with Finnish military's wind turbine ban
> More than 200 wind energy projects have been canned in south-east Finland due to concerns that they could disrupt military radar.
Since then the military has just become stricter.
https://www.regeringen.se/pressmeddelanden/2024/11/avslag-pa...
The Swedish government is not blocking all offshore wind, but it is blocking a lot of it, specifically wind parks in areas of the Baltic Sea that could cause trouble for trying to detect Russian military activities.
I don't know what the situation looks like for Finland.