Skip to content
Go to Dive Champ home pageDive Champ LogoDive Champ

Wastwater

Wastwater, England's deepest natural lake, is a breathtaking dive site located in the Lake District National Park. Nestled in a glacial valley 60m above sea level, this pristine lake spans 4.8km in length and measures 500m in width. Boasting depths that reach an impressive 79m at its lowest point, Wastwater offers an exhilarating underwater exploration experience.

As a preserved area owned by the National Trust, Wastwater attracts numerous visitors who are eager to witness its awe-inspiring beauty. Divers will be captivated by the remarkable clarity of the deep water, providing stunning visibility of up to 8m. The lake is home to a variety of marine life, including Arctic Char, Trout, Eel, and during spawning season, Salmon can be spotted gracefully swimming through the depths.

For those seeking an extraordinary diving challenge, Wastwater is an ideal destination. With a maximum depth of 29m, this dive site caters to advanced and expert divers who are prepared to delve into its hidden mysteries. Situated in the United Kingdom, specifically in Wasdale, Copeland, Cumbria, North West England, Wastwater offers a unique and unforgettable dive experience.

Immerse yourself in the wonders of Wastwater and uncover the secrets that lie beneath its pristine waters. Whether you're an advanced diver seeking to test your skills or an expert diver yearning for an unforgettable adventure, Wastwater promises to deliver an unparalleled underwater journey. Discover the beauty of England's deepest natural lake and create memories that will last a lifetime.

Diving Conditions Score for Wastwater

5.5
Average

Average conditions, be alert.
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Wastwater

Depth

29m

Visibility

8m

Experience Level

advanced
expert

Weather Conditions for Wastwater

Wave Height

0.32m

Wind Speed

2.9 m/s

Water Temp

17°C

Visibility

3.56km

Cloud Cover

100%

Wave Period

4.5s

Air Temperature

12.6°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Wastwater
Alpha

Dive Score Chart for Wastwater

Best time to dive: 12:00 with score 7.164545454545454/10. Water conditions: Waves 0.58m, Wind 14.8 m/s.Best night dive time: 23:00 with score 7.656170212765958/10.

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

Sunrise at Wastwater: 06:00
Sunset at Wastwater: 18:00

Optimal diving conditions at Wastwater 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: 7.7/10
Waves: 0.28m (4.7s), Wind: 1.4 m/s

🌞
Safest Overall
8:00

Score: 7.0/10
Waves: 0.84m (4.6s), Wind: 4.7 m/s

🌞
Best Day
12:00

Score: 7.2/10
Waves: 0.58m, Wind: 14.8 m/s

Seasonal Analysis for Wastwater
Alpha

Historical patterns and best seasons for diving at Wastwater

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 Wastwater

Winter

Avg. Score: 8.2/10

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

Best Months for Wastwater

January
Score: 8.5
December
Score: 8.5
February
Score: 7.6

Ideal Conditions for Wastwater

Water Temp

Thermometer Emoji

15.6°C / 60.1°F

July

Visibility

Telescope Emoji

14.0m / 45.9ft

January

Wave Height

Wave Emoji

0.7m / 2.3ft

December

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Wastwater

Wastwater shows typical northern hemisphere patterns with July being the warmest month (15.6°C) and December the coldest (-0.5°C). The calmest conditions typically occur in December with average wave heights of 0.7m and wave periods of 8.0s. The most comfortable wave conditions are in December 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). April is usually the driest month with 0.5mm of precipitation. For beginners, the best time to visit would be during December to February, 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 20, 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.

2 Dive sites near Wastwater in

Find more dive sites in United Kingdom

United KingdomUnited Kingdom

United Kingdom

Got feedback?

Help us improve this dive site by giving us feedback.