Namerikawa
Situated in the renowned Sea of Japan, this dive site is home to a plethora of rare and precious organisms, particularly those found in the northern regions. Prepare to be amazed by the sight of mesmerizing crustaceans like Baldwin's shrimp, as well as small and large squid, octopus, and charming fish, including dandelion fish and whitefish. Explorers of the deep sea will even encounter visitors like the mysterious anglerfish.
One of the exceptional aspects of this dive site is its availability for diving 24 hours a day, whether it's the midnight darkness or the break of dawn. In addition to its famous attraction, the firefly squid, you'll also have the opportunity to observe these fascinating creatures underwater.
For safety and convenience, it's important to consider the conditions of the dive site. The visibility is around 5 meters, providing a clear view of the marine wonders. The maximum depth reaches 17 meters, suitable for divers of all levels, from beginners to advanced and expert divers. Located near 富山朝日自転車道線, 高塚, Namerikawa, Toyama Prefecture, 936-0021, Japan, this dive site offers a convenient and accessible location for all diving enthusiasts.
Immerse yourself in the enchanting underwater world that Japan's Sea of Japan has to offer. Whether you're a beginner or an experienced diver, this dive site promises an unforgettable experience. Discover the treasures beneath the surface and create lasting memories in this remarkable diving destination.
Diving Conditions Score for Namerikawa
Good diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Namerikawa
Depth
17m
Visibility
5m
Experience Level
Weather Conditions for Namerikawa
Wave Height
0.36m
Wind Speed
6.4 m/s
Water Temp
22.8°C
Visibility
10.42km
Cloud Cover
73%
Wave Period
4.4s
Air Temperature
19.1°C
Precipitation
0 mm
Dive Score Chart for Namerikawa
Best time to dive: 14:00 with score 8.387409090909092/10. Water conditions: Waves 0.38m, Wind 5.5 m/s.Best night dive time: 23:00 with score 8.205484362139916/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Namerikawa 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: 8.4/10
Waves: 0.38m (4.4s), Wind: 5.5 m/s
Score: 8.2/10
Waves: 0.32m, Wind: 2.1 m/s
Seasonal Analysis for NamerikawaAlpha
Historical patterns and best seasons for diving at Namerikawa
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 Namerikawa
Winter
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Namerikawa
Ideal Conditions for Namerikawa
Water Temp
25.7°C / 78.3°F
July
Visibility
14.8m / 48.6ft
October
Wave Height
0.7m / 2.3ft
January
Wave Period
8.0s
January
Seasonal Insights for Namerikawa
Namerikawa shows typical northern hemisphere patterns with July being the warmest month (25.7°C) and January the coldest (-1.6°C). The calmest conditions typically occur in January with average wave heights of 0.7m and wave periods of 8.0s. The most comfortable wave conditions are in January 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). September is usually the driest month with 0.2mm of precipitation. For beginners, the best time to visit would be during January to March, 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 23, 2026