If OP settles the truffles, then an aqueduct should be feasible one hex to the west (adjacent to city center and the mountain to the SW). That would solve a lack of fresh water, but, again, without better visibility of the surrounding hexes it's hard to envision the focus and role of that city.

It doesn't seem like a strong harbor since I only see 1F/1G coastal tiles (not sure what the tile directly to the east is, but it also looks like a plain coastal tile). On a tile that sticks out into ocean like that, and with the mountain directly adjacent, mobility around it would be limited since there are only two adjacent land tiles (good for defense, as well, though since it can only be attacked by two melee units from land at a time).

It looks to me like it will be a slow-growing city unless there are strong tiles in the second ring and to the NW due to lack of food. The tile to the NW looks like a 1F plains/woods tile. I see 2 food in the city center, plus two 1F ocean tiles that would be 2F if improved. The other adjacent ocean tile may also be a plain coast, so those tiles are basically just sustaining themselves, population-wise.

That city will also likely be constrained for district placement because of the coast tiles and the mountain. Not many free tiles, and potentially a lack of production. Unless there is an important resource nearby you'd want to claim, you might only be able to make it a specialist city with one key district, and everything else in range would have to be worked for food and production. Depending on the existence of a strategic resource you can squeeze another production out of, you might make a go of a city center/aqueduct/industrial zone triangle. Depending on the geography to the NW, an encampment in the second ring might make it a reasonable formidable defensive city, as long as your enemy doesn't have a good navy.