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Grafstatt

To reach the Grafstatt dive site in Zug, Switzerland, head towards Arth along Seestrasse. Just after passing the Walchwil sign, you'll find a parking lot on the left side, conveniently located after crossing the terrace.

With some luck, and depending on the season, divers may encounter various common freshwater fish species like perch, pike, truffles, and sun bass. The dive site entrance can be accessed by crossing a small embankment between two trees and stepping over large stone blocks. Be cautious as this area can be slippery when wet. Begin the dive by heading towards the right side.

As you explore, you'll come across a captivating wall that partially hangs over the water. At approximately 20 meters deep, a substantial tree trunk serves as a focal point, adorned with numerous fishing lines from previous encounters. The left side of the dive site is adorned with flourishing water plants, providing ample hiding spots for fish.

The Grafstatt dive site offers a maximum depth of 36 meters with a visibility of about 8 meters. Due to its depth and unique features, this site is recommended for advanced divers seeking new challenges. Located near Zugerstrasse, Hörndli, Walchwil, Zug, 6318, Switzerland, this dive site is a must-visit for diving enthusiasts in the area.

Diving Conditions Score for Grafstatt

6.4
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 Grafstatt

Depth

36m

Visibility

8m

Experience Level

advanced

Weather Conditions for Grafstatt

Wave Height

1m

Wind Speed

4.4 m/s

Water Temp

18°C

Visibility

39.4km

Cloud Cover

100%

Wave Period

8s

Air Temperature

31.6°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Grafstatt
Alpha

Dive Score Chart for Grafstatt

Best time to dive: 6:00 with score 8.183333333333334/10. Water conditions: Waves 1m, Wind 0.5 m/s.Best night dive time: 0:00 with score 7.533333333333333/10.

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

Sunrise at Grafstatt: 06:00
Sunset at Grafstatt: 18:00

Optimal diving conditions at Grafstatt 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: 8.2/10
Waves: 1m (8s), Wind: 0.5 m/s

🌙
Best Night
0:00

Score: 7.5/10
Waves: 1m, Wind: 1.1 m/s

Seasonal Analysis for Grafstatt
Alpha

Historical patterns and best seasons for diving at Grafstatt

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 Grafstatt

Winter

Avg. Score: 9.2/10

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

Best Months for Grafstatt

January
Score: 9.4
December
Score: 9.1
February
Score: 9.0

Ideal Conditions for Grafstatt

Water Temp

Thermometer Emoji

21.2°C / 70.2°F

July

Visibility

Telescope Emoji

18.5m / 60.7ft

January

Wave Height

Wave Emoji

0.2m / 0.7ft

January

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Grafstatt

Grafstatt shows typical northern hemisphere patterns with July being the warmest month (21.2°C) and January the coldest (-1.4°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 26, 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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