Aruba Snorkeling Conditions — Water, Visibility & Wind Guide
Trade Winds Are Your Friend
Aruba's northeast trade winds blow consistently year-round. This creates a permanently calm west and southwest coast — and a completely unsuitable east coast. Stick to the western and southern shores and you'll almost always find calm, clear conditions.
Key Rule
West coast = calm = snorkeling. East coast = rough = never snorkel. The trade winds make this predictable 95% of mornings.
Water Temperature
26°C (79°F) minimum — 29°C (84°F) maximum year-round. No wetsuit needed. A thin rash guard is all you need for sun protection.
Visibility
10m (after heavy rain or surge) to 30m (dry season, calm conditions). Most mornings expect 15–25m at sheltered sites, 20–30m at exposed sites like Malmok.
Best Time of Day
7–10 AM universally. Trade winds accelerate through the morning increasing surface chop by noon. Marine life most active at dawn. Tour boats haven't arrived yet at popular sites.