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.
> 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.
a) Finland needing fast & accurate RADAR tracking across their 50km gulf and restricting activity in the gulf as a result. Not just wind farms, other commercial activities are restricted in the Gulf of Finland including shipping.
b) USA restricting wind farms on it's east coast (NC and NY/NJ) where the nearest land is thousands of km away and no other commercial activities are meaningfully restricted.
(If the US can't field a RADAR for early warning off the east coast that can handle wind farms on the coast, we have other problems)