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Dublin Lake

Dublin Lake is a 240-acre body of water located in Dublin, Cheshire County, New Hampshire, United States. With a length of approximately 0.8 miles and a width of 0.6 miles at its widest point, it offers divers a beautiful underwater experience. The lake has a maximum depth of 110 feet, making it suitable for both beginner and advanced divers.

One of the notable features of Dublin Lake is its spring-fed nature, ensuring clear water and a visibility of up to 6 meters. Although the lake has minimal plant life and fish, it adds to the mystique of the dive site. According to local legend, there are rumors of a yet-to-be-classified form of "sea monster" dwelling in the caverns at the deepest point of the lake.

Divers will find Dublin Lake to be an ideal location for training and exploration. Its relatively shallow maximum depth of 10 meters allows divers of all levels to enjoy the underwater environment. Whether you are a beginner looking to gain experience or an advanced diver seeking new challenges, this dive site has something to offer.

Located near Main Street in Dublin, New Hampshire, Dublin Lake is easily accessible, making it a convenient destination for divers in the United States. Whether you are a local diver or visiting from afar, don't miss the opportunity to explore the depths of Dublin Lake and uncover its underwater wonders.

Diving Conditions Score for Dublin Lake

6
Above Average

Decent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Dublin Lake

Depth

10m

Visibility

6m

Experience Level

beginner
advanced

Weather Conditions for Dublin Lake

Wave Height

1m

Wind Speed

14 m/s

Water Temp

18°C

Visibility

23.6km

Cloud Cover

18%

Wave Period

8s

Air Temperature

20.2°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Dublin Lake
Alpha

Dive Score Chart for Dublin Lake

Best time to dive: 6:00 with score 7.073333333333333/10. Water conditions: Waves 1m, Wind 14.2 m/s.Best night dive time: 23:00 with score 7.128033333333334/10.

Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.

Sunrise at Dublin Lake: 06:00
Sunset at Dublin Lake: 18:00

Optimal diving conditions at Dublin Lake 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
23:00

Score: 7.1/10
Waves: 1m (8s), Wind: 4.2 m/s

🌞
Safest Overall
6:00

Score: 7.1/10
Waves: 1m (8s), Wind: 14.2 m/s

🌞
Best Day
6:00

Score: 7.1/10
Waves: 1m, Wind: 14.2 m/s

Seasonal Analysis for Dublin Lake
Alpha

Historical patterns and best seasons for diving at Dublin Lake

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 Dublin Lake

Winter

Avg. Score: 8.4/10

Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.

Best Months for Dublin Lake

January
Score: 8.7
December
Score: 8.4
February
Score: 8.1

Ideal Conditions for Dublin Lake

Water Temp

Thermometer Emoji

21.7°C / 71.1°F

July

Visibility

Telescope Emoji

15.7m / 51.5ft

December

Wave Height

Wave Emoji

0.8m / 2.6ft

January

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Dublin Lake

Dublin Lake shows typical northern hemisphere patterns with July being the warmest month (21.7°C) and January the coldest (-12.1°C). The calmest conditions typically occur in January with average wave heights of 0.8m 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). May 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.

Scoring Legend:
9-10 (Excellent)
7-8 (Good)
5-6 (Average)
3-4 (Poor)
1-2 (Dangerous)

Last updated: 1 min. ago - Jun 21, 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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