Tokai Maru, wreck
Whip corals adorn the Tokai Maru, providing a sanctuary for tiny whip blennies. This stunning wreck is also home to a diverse marine life including eels, turtles, and impressive map pufferfish. Exquisite nudibranchs add vibrant colors to your underwater journey.
Diving the Tokai Maru requires advanced certification due to its depth, reaching a maximum of 30m. Those wishing to penetrate the wrecks must possess the proper certification, experience, and equipment. Don't forget to monitor your depth, time, and air consumption while exploring this site. Safety is paramount, so it's crucial to remain within your limits.
The SMS Cormoran, another wreck, lies alongside the Tokai Maru at a depth of approximately 95' off the starboard side. Divers can appreciate the rich history and beauty of these sunken vessels in one breathtaking dive.
Located in Apra Harbor, Guam, this dive site promises remarkable visibility of around 11m. Divers of advanced and expert levels will delight in the unparalleled experience offered by this remarkable location. Don't miss the opportunity to explore this exceptional dive site, delving into the depths of both World Wars.
Diving Conditions Score for Tokai Maru, wreck
Decent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Tokai Maru, wreck
Depth
30m
Visibility
11m
Experience Level
Weather Conditions for Tokai Maru, wreck
Wave Height
0.8m
Wind Speed
13.8 m/s
Water Temp
29.9°C
Visibility
7.42km
Cloud Cover
95%
Wave Period
6.45s
Air Temperature
29.3°C
Precipitation
0.5 mm
Dive Score Chart for Tokai Maru, wreck
Best time to dive: 15:00 with score 7.974660784313725/10. Water conditions: Waves 0.78m, Wind 4.1 m/s.Best night dive time: 19:00 with score 6.960710144927536/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Tokai Maru, wreck are affected by daylight hours. Sunrise occurs at 06:00 and sunset at 18:00, which impacts visibility and water temperature for scuba diving and snorkeling.
Score: 8.0/10
Waves: 0.78m (6.8s), Wind: 4.1 m/s
Score: 7.0/10
Waves: 0.78m, Wind: 4.8 m/s
Seasonal Analysis for Tokai Maru, wreckAlpha
Historical patterns and best seasons for diving at Tokai Maru, wreck
The dive score combines all factors to rate overall diving conditions throughout the year. Higher scores indicate better diving conditions.
Monthly Dive Score Analysis - Seasonal Diving Conditions
Higher values indicate better diving conditions
Seasonal DiveScore Chart
This chart displays monthly diveScore data throughout the year, showing seasonal patterns. The data is presented as a bar chart with an overlaid line graph.Dive scores range from 1 to 10, with 10 being optimal conditions.
Higher values indicate better diving conditions
Best Season for Tokai Maru, wreck
Winter
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Tokai Maru, wreck
Ideal Conditions for Tokai Maru, wreck
Water Temp
27.6°C / 81.7°F
May
Visibility
11.2m / 36.7ft
November
Wave Height
1.4m / 4.6ft
September
Wave Period
8.0s
January
Seasonal Insights for Tokai Maru, wreck
Tokai Maru, wreck shows typical northern hemisphere patterns with May being the warmest month (27.6°C) and January the coldest (22.7°C). The calmest conditions typically occur in September with average wave heights of 1.4m and wave periods of 8.0s. The most comfortable wave conditions are in September with a low wave steepness ratio, creating gentler swells. January offers the longest wave periods (8.0s), creating more comfortable and predictable conditions for boat entries and exits. Ocean currents are slowest in January (0.5m/s) and strongest in January (0.5m/s). February is usually the driest month with 1.0mm of precipitation. For beginners, the best time to visit would be during September to November, when ocean conditions are calmer with long-period waves and currents are typically weaker. Experienced divers might enjoy the challenges and potentially better visibility during the shoulder seasons, with moderate currents that can improve marine life encounters.
Last updated: 1 min. ago - Jun 18, 2026