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

Hilloisten Louhos

This dive site in Finland offers a unique experience for divers. Located within an old granite quarry, access is restricted to dive club members or authorized individuals. Diving is permitted on weekdays starting at 3pm and throughout the weekends. The maximum depth at this site is approximately 19m, making it suitable for both beginner and advanced-level training.

Exploring the "submarine" area and its surroundings, divers may have the opportunity to spot a variety of perch. Above the water, the skies often showcase the graceful flight of eagles, adding to the natural beauty of the location.

In terms of training, this dive site is ideal for divers of all skill levels. Whether you are just starting out or looking to improve your expertise, this site offers a conducive environment for learning. You can refer to the destination map available on site for further guidance.

The visibility at this dive site is normally excellent, boasting a clarity of up to 7m. This makes it particularly appealing for divers seeking a memorable ice diving experience. With a maximum depth of 19m and optimal visibility, this dive site promises to captivate divers of all levels of experience.

Please note that this dive site is situated in Taivassalo, Vakka-Suomen seutukunta, Southwest Finland, South-Western Finland, Mainland Finland.

Diving Conditions Score for Hilloisten Louhos

5.8
Average

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

Dive Site Overview for Hilloisten Louhos

Depth

14m

Visibility

7m

Experience Level

beginner
advanced

Weather Conditions for Hilloisten Louhos

Wave Height

0.26m

Wind Speed

19.1 m/s

Water Temp

19.8°C

Visibility

38.68km

Cloud Cover

9%

Wave Period

2.65s

Air Temperature

16.5°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Hilloisten Louhos
Alpha

Dive Score Chart for Hilloisten Louhos

Best time to dive: 6:00 with score 7.662127672955974/10. Water conditions: Waves 0.1m, Wind 9 m/s.Best night dive time: 0:00 with score 7.543661006289308/10.

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

Sunrise at Hilloisten Louhos: 06:00
Sunset at Hilloisten Louhos: 18:00

Optimal diving conditions at Hilloisten 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
6:00

Score: 7.7/10
Waves: 0.1m (2.65s), Wind: 9 m/s

🌙
Best Night
0:00

Score: 7.5/10
Waves: 0.1m, Wind: 4.7 m/s

Seasonal Analysis for Hilloisten Louhos
Alpha

Historical patterns and best seasons for diving at Hilloisten 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 Hilloisten Louhos

Winter

Avg. Score: 7.9/10

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

Best Months for Hilloisten Louhos

January
Score: 8.1
December
Score: 8.1
February
Score: 7.6

Ideal Conditions for Hilloisten Louhos

Water Temp

Thermometer Emoji

17.2°C / 63.0°F

July

Visibility

Telescope Emoji

15.6m / 51.2ft

December

Wave Height

Wave Emoji

0.9m / 3.0ft

December

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Hilloisten Louhos

Hilloisten Louhos shows typical northern hemisphere patterns with July being the warmest month (17.2°C) and December the coldest (-6.1°C). The calmest conditions typically occur in December with average wave heights of 0.9m 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.

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

Last updated: 1 min. ago - Jul 8, 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 Hilloisten Louhos in

Find more dive sites in Finland

FinlandFinland

Finland

Got feedback?

Help us improve this dive site by giving us feedback.