You might have more fun and even success  spinning  from the back of a boat; catches of brill almost half a metre (11.2 feet) long are not uncommon in winter.
The boat is going across the lake at high speeds.
mnli hypothesis: The boat is going across the lake at high speeds. premise: You might have more fun and even success  spinning  from the back of a boat; catches of brill almost half a metre (11.2 feet) long are not uncommon in winter.