The calmest sea conditions around Komodo are usually found during the dry season, roughly May through October. That is the period when most travelers picture Komodo at its best: blue skies, lower rainfall, and generally more predictable boat conditions. June through August are especially popular because the weather is dry and visibility is often excellent, although these are also some of the busiest months in the park.
That said, “dry season” does not mean the water is flat every day. Komodo sits between larger bodies of water and is full of narrow channels between islands, so wind, tides, and current can change conditions quickly. A bay can be glassy while a channel twenty minutes away is choppy. Morning departures are often smoother than afternoon runs because the wind tends to build as the day goes on.
If seasickness is a concern, choose a larger, well-maintained boat and ask the operator how much open-water travel is included in the itinerary. The standard Labuan Bajo to Komodo route is usually easier than the multi-day Lombok to Flores crossing. No operator can promise perfectly calm water, but traveling in the core dry-season months gives you the best odds of comfortable conditions.

