Shinkoku Maru, Truk Lagoon
The Shinkoku Maru is a Naval Tanker that sank during operation hailstone in 1944. This 152-meter long wreck is located in the waters near Chuuk, Federated States of Micronesia. With a maximum depth of 31 meters and visibility of 20 meters, it offers an exciting diving experience for advanced divers. Resting upright on an even keel, the Shinkoku Maru is adorned with a variety of marine life, including luxurious corals, anemones, gorgonian fan corals, sponges, and surrounded by schools of juvenile fish. Explore this stunning wreck and immerse yourself in the vibrant underwater world.
Diving Conditions Score for Shinkoku Maru, Truk Lagoon
6.4
Above AverageDecent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Shinkoku Maru, Truk Lagoon
Depth
31m
Visibility
20m
Experience Level
advanced
Weather Conditions for Shinkoku Maru, Truk Lagoon
Wave Height
1.04m
Wind Speed
15 m/s
Water Temp
29.6°C
Visibility
7.64km
Cloud Cover
96%
Wave Period
7.1s
Air Temperature
28.2°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Shinkoku Maru, Truk Lagoon
Alpha
Dive Score Chart for Shinkoku Maru, Truk Lagoon
Best time to dive: 14:00 with score 6.657566666666667/10. Water conditions: Waves 1.14m, Wind 21.4 m/s.Best night dive time: 23:00 with score 6.966374074074074/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Shinkoku Maru, Truk Lagoon: 06:00
Sunset at Shinkoku Maru, Truk Lagoon: 18:00
Optimal diving conditions at Shinkoku Maru, Truk Lagoon 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.
Best Overall
23:00Score: 7.0/10
Waves: 1m (7.2s), Wind: 5.7 m/s
Safest Overall
16:00Score: 6.6/10
Waves: 1.1m (6.95s), Wind: 18.2 m/s
Best Day
14:00Score: 6.7/10
Waves: 1.14m, Wind: 21.4 m/s
Seasonal Analysis for Shinkoku Maru, Truk LagoonAlpha
Historical patterns and best seasons for diving at Shinkoku Maru, Truk Lagoon
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 Shinkoku Maru, Truk Lagoon
Winter
Avg. Score: 9.4/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Shinkoku Maru, Truk Lagoon
January
Score: 9.6
February
Score: 9.5
December
Score: 9.2
Ideal Conditions for Shinkoku Maru, Truk Lagoon
Water Temp
27.0°C / 80.6°F
July
Visibility
9.9m / 32.5ft
January
Wave Height
2.1m / 6.9ft
October
Wave Period
8.0s
January
Seasonal Insights for Shinkoku Maru, Truk Lagoon
Shinkoku Maru, Truk Lagoon shows typical northern hemisphere patterns with June being the warmest month (27.2°C) and December the coldest (23.9°C). The calmest conditions typically occur in October with average wave heights of 2.1m and wave periods of 8.0s. The most comfortable wave conditions are in October 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). January is usually the driest month with 0.6mm of precipitation. For beginners, the best time to visit would be during October to December, 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 - Jul 9, 2026
Note: This dive site is not a verified dive site. Please dive with caution. This dive site might have incorrect information by the community.
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