When I worked in fish canneries in B.C. we would use layers. Usually a cotton glove liner and a rubber glove on top. I sometimes added a latex glove for the first later if it was going to be really icy.

I fish and hunt, and I’ve tried everything. But it’s so hard to find the balance between something warm, and something that lets you use your fingers.

Your best option for dexterity is probably neoprene fishing gloves. They aren't waterproof in the sense that your hands will stay dry, but they will keep the cold water off your fingers.

The other thing that works in moderate temperatures is a wool or synthetic knit glove (non waterproof) and a heavy coating of lanolin based hand cream (or even straight lanolin) rubbed into your hands before you put them on. I like the nitrile coated cut-resistant gloves for this because the rubber coating prevents your hands from getting chilled through evaporation, and you dry the outside of your gloves off and stick them in your pockets without soaking your clothes.

I had job once that required me to handle nuts and bolts in freezing wet conditions for hours on end. My solution was the lanolin + coated kevlar gloves, and I got a quarterback's hand pouch and microfiber towel to wear on my belt. When my hands got too cold I'd dry the outside of the gloves off as best I could, and tuck my hands into the pouch with a chemical handwarmer for a minute or two. It worked great.

Showa are what they use on the ferries. Wear a thin liner glove underneath.

Neoprene fishing gloves is what I used in Alaska. Fingers eventually got cold but as long as water didn't come in at the cuff they stayed dry. It does trap body moisture though so maybe a thin cotton liner would help.

Outdoor Research Firebrand or MGS Shell gloves.

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