Nashua Navy Tug (Wreck)
Located in the waters off Ewa Beach, Honolulu County, Hawaii, the purposefully sunk Navy tugboat is an ideal dive site for both beginner and advanced divers. With a maximum depth of around 65 feet and visibility reaching up to 20 meters, this artificial reef offers a spectacular underwater experience. Since its sinking in 2012, the wreck has attracted a diverse array of reef species, including enormous pufferfish, octopuses, moray eels, and various Hawaiian reef fish. Notably, the site has also become a popular training ground for the US Navy. Discover the vibrant marine life and fascinating encounters at this captivating dive spot.
Diving Conditions Score for Nashua Navy Tug (Wreck)
7.5
GoodGood diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Nashua Navy Tug (Wreck)
Depth
20m
Visibility
20m
Experience Level
beginner
advanced
Weather Conditions for Nashua Navy Tug (Wreck)
Wave Height
1.4m
Wind Speed
19.6 m/s
Water Temp
26.8°C
Visibility
48.94km
Cloud Cover
94%
Wave Period
8.1s
Air Temperature
24.8°C
Precipitation
0.2 mm
Detailed 7-Day Diving Forecast for Nashua Navy Tug (Wreck)
Alpha
Dive Score Chart for Nashua Navy Tug (Wreck)
Best time to dive: 14:00 with score 7.2620000000000005/10. Water conditions: Waves 1.32m, Wind 15.7 m/s.Best night dive time: 19:00 with score 6.7607333333333335/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Nashua Navy Tug (Wreck): 06:00
Sunset at Nashua Navy Tug (Wreck): 18:00
Optimal diving conditions at Nashua Navy Tug (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.
Best Overall
14:00Score: 7.3/10
Waves: 1.32m (8.3s), Wind: 15.7 m/s
Best Night
19:00Score: 6.8/10
Waves: 1.28m, Wind: 21 m/s
Seasonal Analysis for Nashua Navy Tug (Wreck)Alpha
Historical patterns and best seasons for diving at Nashua Navy Tug (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 Nashua Navy Tug (Wreck)
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 Nashua Navy Tug (Wreck)
January
Score: 9.5
February
Score: 9.4
December
Score: 9.2
Ideal Conditions for Nashua Navy Tug (Wreck)
Water Temp
26.1°C / 79.0°F
July
Visibility
14.5m / 47.6ft
January
Wave Height
1.1m / 3.6ft
January
Wave Period
8.0s
January
Seasonal Insights for Nashua Navy Tug (Wreck)
Nashua Navy Tug (Wreck) shows typical northern hemisphere patterns with July being the warmest month (26.1°C) and January the coldest (19.0°C). The calmest conditions typically occur in January with average wave heights of 1.1m 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). February is usually the driest month with 0.0mm 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: 6 hr. ago - Jul 10, 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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