Hälvälä Louhos
Discover an exceptional freshwater dive site in Finland! Once an abandoned quarry, this stunning location offers depths ranging from 5 to more than 200 meters. The quarry provides a unique diving experience, with one end suited for recreational divers and the other specifically catered to technical divers. With a maximum depth of 37 meters, this site is recommended for expert divers.
While there is a scarcity of fish and marine life to admire, you can still encounter intriguing small water insects like water hoppers and mosquito larvae. The visibility at this site is an impressive 15 meters, ensuring a clear and captivating underwater view. Situated near Itälahti in the picturesque region of Kerimäki, Savonlinna, this dive site is ideal for those seeking an adventure in South Savo, Finland.
Immersing yourself in this enchanting underwater landscape, you'll appreciate the serene beauty and tranquility offered by this former quarry turned diving haven. Explore the depths and marvel at the fascinating presence of water insects as you navigate through this captivating dive site. Experience the thrill of venturing beyond the surface, equipped with the necessary expertise suited for this remarkable Finnish destination.
While there is a scarcity of fish and marine life to admire, you can still encounter intriguing small water insects like water hoppers and mosquito larvae. The visibility at this site is an impressive 15 meters, ensuring a clear and captivating underwater view. Situated near Itälahti in the picturesque region of Kerimäki, Savonlinna, this dive site is ideal for those seeking an adventure in South Savo, Finland.
Immersing yourself in this enchanting underwater landscape, you'll appreciate the serene beauty and tranquility offered by this former quarry turned diving haven. Explore the depths and marvel at the fascinating presence of water insects as you navigate through this captivating dive site. Experience the thrill of venturing beyond the surface, equipped with the necessary expertise suited for this remarkable Finnish destination.
Diving Conditions Score for Hälvälä Louhos
5.6
AverageAverage conditions, be alert.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Hälvälä Louhos
Depth
37m
Visibility
15m
Experience Level
expert
Weather Conditions for Hälvälä Louhos
Wave Height
1m
Wind Speed
7.9 m/s
Water Temp
18°C
Visibility
61.08km
Cloud Cover
4%
Wave Period
8s
Air Temperature
12.2°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Hälvälä Louhos
Alpha
Dive Score Chart for Hälvälä Louhos
Best time to dive: 17:00 with score 7.037133333333333/10. Water conditions: Waves 1m, Wind 8.6 m/s.Best night dive time: 20:00 with score 7.156433333333332/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Hälvälä Louhos: 06:00
Sunset at Hälvälä Louhos: 18:00
Optimal diving conditions at Hälvälä Louhos 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
20:00Score: 7.2/10
Waves: 1m (8s), Wind: 2.2 m/s
Safest Overall
17:00Score: 7.0/10
Waves: 1m (8s), Wind: 8.6 m/s
Best Day
17:00Score: 7.0/10
Waves: 1m, Wind: 8.6 m/s
Seasonal Analysis for Hälvälä LouhosAlpha
Historical patterns and best seasons for diving at Hälvälä Louhos
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 Hälvälä Louhos
Winter
Avg. Score: 8.3/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Hälvälä Louhos
January
Score: 8.4
December
Score: 8.3
February
Score: 8.1
Ideal Conditions for Hälvälä Louhos
Water Temp
18.2°C / 64.8°F
July
Visibility
16.7m / 54.8ft
November
Wave Height
0.6m / 2.0ft
December
Wave Period
8.0s
January
Seasonal Insights for Hälvälä Louhos
Hälvälä Louhos shows typical northern hemisphere patterns with July being the warmest month (18.2°C) and January the coldest (-10.0°C). The calmest conditions typically occur in December with average wave heights of 0.6m 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). March is usually the driest month with 0.0mm 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.
Last updated: 1 min. ago - Jun 23, 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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