Warm waters, amazing visibility, and abundant
marine life make summer the most
popular time to dive in Okinawa.
＞SummerJune–August
Season26–29°C
Water Temp27–29°C
Average Air Temp20–30m
Visibility3–5mm
WetsuitBest for Certified Divers
RecommendedEarly summer with warm days and calm seas.
26°C
30°C
20–25m
・Bigeye Trevally Tornado at Aguni
・Coral Spawning Season
・Juvenile Fish
Aguni Island
Peak summer with stable weather and sunny days.
28°C
33°C
25m-30m
・Beautiful Kerama Blue
・Great Opportunities for Sea Turtle Encounters
・More Stable Summer Sea Conditions
Kerama Islands
Hot and sunny with warm water and long days.
28–29°C
33°C
25m-30m
・Reef Manta Rays Feeding on Plankton
・Warm, Clear Summer Waters
・Favorable Season for USS Emmons Trips
USS Emmons Wreck
*These are representative values calculated based on our company's past diving logs (2022–2025).
Reef Manta Rays Feeding on Plankton
Experience crystal-clear water and sea turtle encounters.
Dramatic Underwater Topography
Caves, arches, and unique rock formations await.
Historic WWII Deep Wreck
Explore one of the world's most famous WWII wrecks.
Bring reef-safe sunscreen,
sunglasses, and a hat.
The summer sun is very strong.
Drink plenty of water
throughout the day to stay
comfortable in the heat.
Conditions are generally good, but schedules may change due to tropical weather systems.
Enjoy warm waters, vibrant marine life,
and the best summer diving.
