Scuba Diving at Grafstatt

Diving atGrafstatt (Switzerland)

Grafstatt provides a compelling freshwater dive experience within Lake Zug, allowing certified divers to explore a distinct aquatic ecosystem. Expect encounters with common freshwater fish like perch, pike, and bass, varying by season and prevailing conditions. Its accessibility and natural features make it a straightforward site for observing typical aquatic life found in this body of water.

The latest environmental reading at Grafstatt indicates an air temperature of 13.5°C. The regional climate in Switzerland is aligning with expected historical averages. Prepare your gear according to these specific local conditions.

Dive Site Location & Key Facts

Everything you need to know about this dive site.

Coordinates47.1093, 8.5030
Site Characteristics
Lake
Max Depth--
Entry Type--
Water Typefresh
Dive Types
--

Dive Site Overview

Diving at Grafstatt immerses visitors in a tranquil freshwater environment, serving as a refreshing alternative to marine sites. Access to this shore entry dive is straightforward: from Zug, divers follow Seestrasse towards Arth, locating a parking lot on the left shortly after passing the Walchwil sign and crossing a terrace.

This site is primarily recognized as a wall dive, with elements of a reef, offering interesting topography for exploration. While specific details on the wall's direct features are not consistently reported for Grafstatt, its classification suggests a gradual descent along a drop-off. A maximum depth commonly cited here is around 20 m (65.6 ft), making it suitable for a range of recreational certifications.

Its reputation as a 'DeepReefWall' dive indicates varying underwater landscapes to navigate. Community feedback suggests a simple entry, preparing divers for the cooler, clear waters typical of Swiss freshwater environments. Grafstatt presents an accessible opportunity to explore a temperate freshwater world.

Grafstatt

Conditions are Excellent

9/10
Confidence: 7/10
Indicates meteorological model agreement and data availability.

Best Dive Window

07:00 - 14:00

Optimal conditions expected

06:12
18:45
H: 10:45
L: 16:20
Air / Sea Temp
14° / --°
Wave Height
N/A
Wind Speed
20 km/h SW
Rain Chance
0%

Current conditions near Grafstatt show 14° air, --° sea temperature, N/A waves, and 20 km/h wind. Forecast data is refreshed regularly to ensure accuracy.

Radius: ~12km
Updated: Jun 13, 2026, 03:53 local time
MARINE: OPEN-METEOWEATHER: YR.NO

Best Time to Dive

Optimizing your visit to Grafstatt often centers on balancing air temperature comfort with potential visibility. For excellent conditions, consider months like January, February, March, September, October, and December, which consistently receive high dive scores. During these periods, air temperatures can range from a cooler 2°C (36°F) in January to a crisp 17°C (63°F) in September, with relatively low rainfall. The transitional months of April and November, or the summer months from May to August, are also rated 'Good' for diving. Rainfall is generally moderate, averaging between 2.85 mm in February and 7.43 mm in July, which might influence sediment suspension. Visibility, while not consistently reported for Grafstatt, typically benefits from colder water and less surface runoff, suggesting that the 'Excellent' rated months might offer clearer conditions in this specific freshwater body.

PEAK SEASON SCORE

88/100
Very Good

Scores combine air & water temps, waves, wind & rainfall for overall conditions.


BEST MONTHS TO DIVE

JUN
JUL
AUG
DIVE SCORE
(0–100)
69
JAN
69
FEB
72
MAR
73
APR
77
MAY
90
JUN
85
JUL
89
AUG
84
SEP
79
OCT
68
NOV
68
DEC
AIR TEMP (°C)
2
5
8
10
14
20
20
21
17
13
6
3
WAVES (M)
—
—
—
—
—
—
—
—
—
—
—
—
WIND (KM/H)
8
8
10
11
10
10
10
9
9
9
9
8
RAIN (MM)
3.5
2.9
3.7
4.2
5.8
3.5
7.4
5.1
4.8
3.9
5.3
3.8
DIVE SCORE GUIDE (0–100)
Excellent (90–100)
Very Good (80–89)
Good (70–79)
Moderate (50–69)
Poor (30–49)
Not Recommended (0–29)

Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.

Dive Experience & Conditions

Upon entering the calm waters of Grafstatt from the shore, divers descend into a freshwater environment characterized by a wall and reef structure. The initial drop-off immediately below the entry point defines the dive, allowing for vertical exploration. As you navigate the wall, varying textures and potential rock formations provide points of interest. Specific current reports for Grafstatt are limited, but diving in this type of environment generally experiences minimal to no strong currents, contributing to a calm experience. Maximum depths for recreational diving typically extend to around 20 m (65.6 ft), though some nearby sites cater to extended range divers. Water temperatures in temperate freshwater environments vary significantly seasonally; expect colder conditions requiring appropriate exposure protection. Visibility is not consistently reported for this specific site, but clear conditions are often present in such bodies of water, especially outside of heavy rainfall periods.

Dive Difficulty & Safety Guidelines

Approaching Grafstatt requires an understanding of its freshwater environment to ensure a safe dive. Divers should prepare for a simple shore entry, which might involve a short walk to the water's edge. Parking is available nearby, though spaces can be limited and may be subject to fees, so plan accordingly. While direct hazards for Grafstatt are not consistently reported, diving in this deep wall environment demands attention to depth management, particularly with the site described as a 'Deep' dive. Always dive within your certification limits and be aware of your gas consumption due to the cooler temperatures. As with any freshwater dive, reduced ambient light at deeper sections and potential thermoclines necessitate careful planning. Always dive with a buddy and ensure all equipment, especially dry suits or thicker wetsuits, is in good working order for the colder conditions.

Recommended Equipment

  • Dive Computer

This gear list is based on verified equipment signals for Grafstatt, Switzerland. Always confirm final gear choices with your dive operator, guide, or liveaboard.

Recommended Dive Suit

Based on regional estimates and current weather, the likely required exposure protection is a thicker wetsuit or drysuit. Note that local currents and upwellings can alter this. A thermal robe or jacket is recommended between dives. Divers who tend to get cold easily may prefer slightly thicker exposure protection.

Because recent water temperature readings are not available for Grafstatt, the guidance below is based mainly on current air conditions and seasonal expectations. Current surface air temperatures are roughly 14°C (56°F).

Forecast confidence is somewhat lower, with potential for varied conditions ahead. A warming trend is expected over the next few days.

Grafstatt conditions last reviewed: 03:53 local time (UTC+1), Jun 13, 2026

Due to technical issues with our weather providers, live updates are temporarily delayed. The data above reflects the conditions at the time of the last successful fetch.

Emergency & Medical Support

Essential information to help you plan your dive trip to Grafstatt.

Hyperbaric Chamber

Hyperbaric chambers are a critical part of dive safety infrastructure. Availability varies significantly by region, and not all dive areas have immediate access.

Before diving, it's recommended to:

  • confirm nearest medical facilities
  • check emergency procedures with local dive operators
  • ensure dive insurance covers evacuation if required
24/7 Available

Divers Alert Network

Diving emergency assistance available through DAN Europe.

+39 0642115685
  • 24/7 emergency hotline
  • Diving medical assistance
  • Evacuation coordination
View official DAN emergency contacts

Emergency contacts are provided for reference. Always verify local emergency services before diving.

Closest Listed Hyperbaric Chambers

Showing listed hyperbaric chamber facilities within 200 km of this dive site. Distances are approximate straight-line distances and may not reflect emergency travel time.

+

Centre Hyperbare de Bâle

Basel, Switzerland•Approx. 87 km straight-line
Facility Details
Operating Hours
08h00-17h00
ICU Capable
No
Chamber Type
Multi
Multi chamber facility
Facility / Hospital
Cooperation with University hospital of Basel
24/7 Listed
No

Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.

SourceEUBS / OXYNET

Druckkammer des Badischen Tauchsportverbandes e.V. (BTSV)

Überlingen, Germany•Approx. 89 km straight-line
Facility Details
Operating Hours
Not listed
ICU Capable
No
Chamber Type
Not listed
Facility / Hospital
Not listed
24/7 Listed
No

Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.

SourceEUBS / OXYNET

Hyperbaric Chamber - Freiburg

24/7 ListedICU Capable
Freiburg, Germany•Approx. 111 km straight-line
Facility Details
Operating Hours
Not listed
ICU Capable
Yes
Fully equipped ICU on-site
Chamber Type
Not listed
Facility / Hospital
Not listed
24/7 Listed
Yes
Listed as 24/7 available facility

Information is provided for reference and planning purposes only. Dive Navigator does not verify operational status, staffing, availability, or quality of care at listed facilities. In an emergency, contact local emergency services, DAN, your dive operator, or the chamber directly. Do not travel to a facility without calling ahead.

SourceEUBS / OXYNET
Chamber data is sourced from self-reported EUBS/OXYNET listings and has not been independently verified by Dive Navigator. Always contact local emergency services, DAN, your dive operator, or the facility directly before travelling.
View all in Switzerland

Marine Life at Grafstatt

Observing the aquatic inhabitants of Grafstatt begins almost immediately, revealing species adapted to this freshwater ecosystem. Divers may first notice various common freshwater fish, with seasonal sightings including perch, known for their distinctive striped patterns, and occasionally larger pike patrolling the deeper sections. Bass can also be spotted amongst the rock formations or along the wall, providing engaging encounters. The diversity of aquatic life here, while different from coral reefs, provides a valuable opportunity to appreciate the specific fish species that thrive in a temperate freshwater setting. Encounters vary with the season and diver luck, but these fish are regular features of the site.

Image contributors:Tim Van Vliet, Hadal + 1 more
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Nearest Airports

Nearest airports to help plan travel to this dive area.

Zürich AirportZRH
39 km
Bern AirportBRN
79 km
Sankt Gallen Altenrhein AirportACH
90 km
💵Currency:CHF

Search Flights

Check available flights and routes on Expedia, using the nearby airports listed in this section.

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Frequently Asked Questions

How do I access the Grafstatt dive site?

You can access Grafstatt from the shore. From Zug, take Seestrasse towards Arth. The parking lot is located on the left shortly after you pass the Walchwil sign and cross a terrace.

What is the maximum depth at Grafstatt?

Grafstatt is generally considered suitable for recreational diving with a maximum reported depth of approximately 20 m (65.6 ft). Nearby sites may offer options for extended range diving.

What type of dive site is Grafstatt?

Grafstatt is classified as a shore entry wall and reef dive within a freshwater environment. It features a drop-off with varying underwater topography, characteristic of this specific aquatic location.

What kind of marine life can I expect to see?

Divers frequently encounter common freshwater fish such as perch, pike, and bass, depending on the season. These species are typical inhabitants of temperate freshwater environments.

Are there strong currents at Grafstatt?

Diving in this environment, including at Grafstatt, typically experiences minimal to no strong currents. This usually contributes to a calm and predictable diving experience.

Is parking available at the dive site?

Yes, parking is available nearby the dive site. However, spaces can be limited, and some parking areas in the region may be subject to fees.

What are the typical water temperatures?

Specific water temperatures for Grafstatt are not consistently reported. However, as a Swiss lake, expect cooler conditions that vary significantly by season, necessitating appropriate thermal protection.

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