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Glasi, Hergiswil

Located in Hergiswil, Switzerland, this dive site offers a convenient port with numerous paid parking spaces near the Adler restaurant. However, we kindly ask divers to avoid using the restaurant's parking spaces.

Depending on the season, divers may have the opportunity to spot a variety of freshwater fish such as perch, pike, and truffles. The entry into the lake is through a slightly slippery ramp, leading to an old wooden structure. Divers should proceed to the left, exploring the gently sloping muddy terrain. It is recommended to limit diving depth to 15 meters, as beyond that, the site offers mainly old docks and a significant amount of debris. Delightfully, there is an abundance of aquatic plants providing refuge to fish.

With a visibility of approximately 6 meters and a maximum depth of 22 meters, this dive site is best suited for advanced divers. Its close proximity to the harbor makes it particularly suitable for winter diving adventures. For divers seeking more exploration, the Glasi in Hergiswil is a nearby location worth visiting. Plan your dive to Seestrasse, Hergiswil (NW), Nidwalden, 6052, Switzerland, and discover the wonders of this captivating underwater world.

Diving Conditions Score for Glasi, Hergiswil

7.4
Good

Good diving conditions!
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Glasi, Hergiswil

Depth

22m

Visibility

6m

Experience Level

advanced

Weather Conditions for Glasi, Hergiswil

Wave Height

1m

Wind Speed

4.3 m/s

Water Temp

18°C

Visibility

39.64km

Cloud Cover

0%

Wave Period

8s

Air Temperature

24.9°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Glasi, Hergiswil
Alpha

Dive Score Chart for Glasi, Hergiswil

Best time to dive: 6:00 with score 8.463333333333335/10. Water conditions: Waves 1m, Wind 0.8 m/s.Best night dive time: 2:00 with score 7.703333333333334/10.

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

Sunrise at Glasi, Hergiswil: 06:00
Sunset at Glasi, Hergiswil: 18:00

Optimal diving conditions at Glasi, Hergiswil 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: 8.5/10
Waves: 1m (8s), Wind: 0.8 m/s

🌙
Best Night
2:00

Score: 7.7/10
Waves: 1m, Wind: 4.3 m/s

Seasonal Analysis for Glasi, Hergiswil
Alpha

Historical patterns and best seasons for diving at Glasi, Hergiswil

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 Glasi, Hergiswil

Winter

Avg. Score: 9.9/10

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

Best Months for Glasi, Hergiswil

January
Score: 10.0
February
Score: 9.9
December
Score: 9.9

Ideal Conditions for Glasi, Hergiswil

Water Temp

Thermometer Emoji

24.7°C / 76.5°F

June

Visibility

Telescope Emoji

20.1m / 65.9ft

October

Wave Height

Wave Emoji

0.2m / 0.7ft

January

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Glasi, Hergiswil

Glasi, Hergiswil shows typical northern hemisphere patterns with June being the warmest month (24.7°C) and December the coldest (20.7°C). The calmest conditions typically occur in January with average wave heights of 0.2m 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). January 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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