na pełnym morzu Englisch:

an offshore bank or company is not in your country but in a country where the law is different

The next two or three years will tell the future of the offshore

offshore bank accounts; offshore investments

The strong wind pushed our boat offshore. The wind is offshore, so let's go sailing.

wind farms are constructed on the offshore

The offshore oil well had 40 men working on it.

an offshore island, an offshore account/trust. Commission approves reductions on offshore surcharge for electro-intensive and railway companies in Germany.

... us away to an offshore J 2 EE coding gulag?

Oh, boy... Al-Sayib sighed. "Well, how much do you need? I've got about 10 grand just sitting in my offshore account."

Can you give me some advice? I'm all at sea.

Fishermen live at sea for long periods.