What is the best season for swimming, snorkeling, and diving in Seychelles considering the weather and sea conditions?

Back when I visited Seychelles for just a short 3-day stopover, I didn’t plan it very well and ended up with some pretty rough seas that made snorkeling tricky. The water was still beautiful, but visibility wasn’t what I expected, and we had to skip diving altogether because of strong winds. Now I’m planning a longer trip with friends, and I want to make sure we actually catch the best season. I’ve heard that certain months are calmer and better for underwater activities, but the info online seems mixed. Some people say April and October are the sweet spots, while others recommend different times. Has anyone here been during the “perfect” season for both calm swimming and good visibility?

I went last year in April and it was honestly amazing — calm seas, warm water, and some of the clearest snorkeling I’ve ever done. The guides told us that April and October are the months when the winds switch, so you get those crystal clear lagoons that make diving incredible. If you want something more detailed, I actually found this page useful when planning: https://charterclick.sc/. It helped me figure out not only the seasons but also what activities fit best depending on the time of year. My tip: if your main goal is diving and visibility, stick to those transition months. If you prefer steady breezes for sailing, May to September might work better.

I’ve never been to Seychelles myself, but I always check these discussions because I’m fascinated by how different destinations have their “ideal windows.” It reminds me of how in Thailand or Bali there are clear distinctions between dry and wet seasons, and the whole experience changes depending on when you go. I guess that’s part of the fun of planning a trip — figuring out which month gives you the kind of vibe you’re looking for, whether it’s calm water, active winds, or fewer crowds.