Which preposition to use with cattegat

with Occurrences 2%

between Norway and Denmark, and connecting the Cattegat with the North Sea, 140 m. long and 70 broad, the deep water being on the Norwegian coast.

into Occurrences 1%

To secure this, the allies and the United States of America shall be empowered to occupy all German forts, fortifications, batteries, and defense works of all kinds in all the entrances from the Cattegat into the Baltic, and to sweep up all mines and obstructions within and without German territorial waters without any question of neutrality being raised, and the positions of all such mines and obstructions are to be indicated.

to Occurrences 1%

And as he sailed between Zealand and Funen, or Fyen, all the Danish islands were on his left hand, and he had the wide sea, that is, the Schager-rack, and Cattegat to the right.

Which preposition to use with  cattegat