Worth noting: right next to the water bodies you'ld have far more regular temperatures. It's only when you get out a bit that you really start seeing the "burn and freeze" thing.
Oceanfront property is going to be precious.
The winds will still be howling, though, and will probably serve as Primary Industrial Powersource in a big way. You could invest in solar tech, but really, what's the point? Wind-powered sailing ships are likley to be a major part of the economy for a good *long* time.
Local tides aren't going to be nearly as impressive as you otherwise might think - first because the large bodies of water aren't going to cover enough space to allow for really impressive tidal effects, and second because the mutual tidal lock is going to mean that the tides don't move at all.
Also, if, as you say, the deep trenches are fresh water, then the difficulty isn't going to be the water itself so much as water transport. You could run steam just fine on the oceans themselves, if you ever had a place so becalmed to make use of it, but the further out you get, the more expensive the water is. Pulling water for nonapproved uses out of the irrigation channels is going to start looking an awful lot like "poaching on the King's land" from the feudal POV.
Oceanfront property is going to be precious.
The winds will still be howling, though, and will probably serve as Primary Industrial Powersource in a big way. You could invest in solar tech, but really, what's the point? Wind-powered sailing ships are likley to be a major part of the economy for a good *long* time.
Local tides aren't going to be nearly as impressive as you otherwise might think - first because the large bodies of water aren't going to cover enough space to allow for really impressive tidal effects, and second because the mutual tidal lock is going to mean that the tides don't move at all.
Also, if, as you say, the deep trenches are fresh water, then the difficulty isn't going to be the water itself so much as water transport. You could run steam just fine on the oceans themselves, if you ever had a place so becalmed to make use of it, but the further out you get, the more expensive the water is. Pulling water for nonapproved uses out of the irrigation channels is going to start looking an awful lot like "poaching on the King's land" from the feudal POV.