Mammern (Lake Constance)
- Freeride, Freestyle
- Best for
- Beginner to Intermediate
- Skill Level
- Flat, Chop, Shallow
- Spot Type
- Moderate
- Crowd Level
This spot information is AI-assisted and has not been human verified. It may be incomplete, outdated, or incorrect. Verify safety, access, local rules, and current conditions with official or local sources before riding.
About
Mammern (Seeplatz) on Lake Constance’s Untersee is primarily a windsurfing spot, with freeride and freestyle setups on relatively shallow, calm-to-moderate lake conditions. The launch is accessed via ramps/stairs into a short standing area (about 30 meters) with a nearby grassy meadow for rigging, and public parking is reported to be roughly 100 meters from the launch/rigging zone. Wind is most favorable from the West to West-South-West (W to WSW), often described as performing well during frontal West wind situations. Reliability is reported as moderate, and gusts are typically moderate. The surrounding terrain can significantly shadow other wind directions, so the spot is mainly a target when the forecast supports the W/WSW flow. For water safety, the main concerns are the stones/rocks near the shallow ramps/entry, and the commercial shipping lane with traffic further offshore. Users are instructed to stay clear of shipping lanes and respect summer swimming zones. A lack of local lifeguard presence is reported, and while regional lake rescue services exist, no dedicated rescue base specifically at this launch was confirmed in the enrichment data. Kitesurfing is prohibited on the Untersee in the Swiss sector due to shipping regulations and nature conservation rules. Wingfoiling is possible during westerly winds, but launch and entry are described as somewhat technical; a minimum depth of around 30 meters offshore is recommended for safer foiling operations.
- Best performance with West/WSW wind fronts
- 30 m standing area plus grassy meadow for rigging
- Shallow entry has stones/rocks; keep an eye on ramp access
- Kitesurfing prohibited in this area
- Strong westerly (West/WSW) windspot characteristics on the Untersee
- Shallow, uncluttered water helps learning and progression (when conditions allow)
- Convenient grassy rigging area and ramp-based launch with parking nearby
- Kitesurfing prohibited (shipping/conservation rules)
- Launch/entry can be technical due to stones/rocks in shallow area and a narrow access point
- Limited rescue presence specifically confirmed at the launch (regional rescue coverage)
Wind, water and seasons
Wind
- Direction
- W, WSW
- Wind Range
- 12–25 kts
- Wind Type
- Frontal — Windsurf conditions are described as best with strong westerly fronts; wind can also funnel depending on setup.
- Reliability
- moderate
- Gust Factor
- Moderate gusts — Moderate gustiness reported.
- Best Months
- March, April, May, September, October, November
- Shadow Zones
- North and south winds are significantly shadowed by surrounding terrain.
Water & beach
- Water Type
- Flat, Chop, Shallow
- Beach
- Sand — Sand composition reported; another enrichment notes mixed composition.
- Beach Size
- Small
- Waves
- Small — Small wave conditions reported.
- Chop Level
- Moderate chop — Some chop is reported; conditions are typically manageable for freeride/freestyle windsurfing.
- Launch
- Medium — Roughly 30 m standing area with ramp access; adjacent meadow for rigging.
Through the year
Can be busy with swimmers in July/August; windsurfers gather during West wind fronts.
Thunderstorms common in June and July (late afternoon).
By sport
What to expect for each.
Generally prohibited at this location due to Lake Constance (Untersee) shipping regulations and nature conservation rules.
Freeride and freestyle windsurf spot on shallow, flat-to-slightly-choppy lake water, with performance especially during westerly (West/WSW) fronts. Suitable for beginners to progress, though some launches require care due to shallow stones and ramp access.
- Sail Sizes
- 5–7.5 m²
Possible during westerly winds, but the narrow ramp access and shallow stones make the launch technical; foil access is safer further offshore.
- Foil Friendly
- Limited — Limited foil friendliness due to launch/entry conditions.
- Min Depth
- Approximately 30m offshore for safe foiling.
- Wing Sizes
- 4–6 m²
Check the forecast before you go
See wind, waves, weather and session windows for Mammern (Lake Constance) in the full forecast view.
Mammern (Lake Constance) wind and wave forecast summary
- Wind
- 1–16 ktsGusts 32 kts
- Direction
- WSW243°
- Strongest day
- Sun, Oct 2516 kts
- Windy days
- 1/712 kts or more
- Temperature
- 3–17 °C
Over the next 7 days, Mammern (Lake Constance) is forecast for daytime winds of 1–16 kts, peaking around 16 kts on Sunday, October 25 with gusts to 32 kts. The prevailing direction is WSW. Based on the Wavind model, in the spot’s local time.
Other spots in the area
What to know before you launch
Safety, access, restrictions, rescue, and local rules can change. Treat these details as informational and confirm them locally before launching.
Hazards
- Stones and rocks in the shallow entry area (near ramps)
- Commercial shipping lane with traffic further offshore
- Narrow launch area
Rescue & support
- Rescue & Self-Rescue
- Limited — Regional baseline indicates rescue service coverage via the professional Lake Rescue Service; no dedicated local rescue base specifically at this exact launch confirmed in the enrichment data.
- Emergency Info
- General emergency number 112; ambulance 144; police 117. Nearest major hospitals mentioned in the region: Kantonsspital Frauenfeld and Kantonsspital Münsterlingen.
Rules of the spot
Stay clear of the commercial shipping lanes and respect the swimming zones during summer.
- Kitesurfing prohibited on this part of Lake Constance (Untersee) due to shipping regulations and nature conservation rules.
- The spot works best when a strong West wind is forecast.
- The Bise (North-East wind) does not reach this part of the lake effectively.
- Shallow water and an uncluttered setup help beginners, but still watch the rocky shallow entry.
Getting there & access
- Nearest City
- Konstanz
- Nearest Town
- Mammern
- Parking
- Public parking approximately 100 meters from the rigging/launch area.
- Access
- Accessible via the Seestrasse in Mammern, leading to the Seeplatz public area. Launch via concrete ramps/stairs or ramps to a roughly 30 m standing area; adjacent meadow for rigging.
- Local Language
- German
What's on the beach
- Accommodation
- Near — Guesthouses and hotels are available in Mammern and nearby Steckborn.
- Food & Drink
- A restaurant is located near the Seeplatz area.
No schools or services are listed for this spot yet.
From riders who've been here
Latest reported conditions
Spot questions
Frequently asked questions
When is the best season at Mammern (Lake Constance)?
The best overall months at Mammern (Lake Constance) are May, June, July, August, September. The best wind months are March, April, May, September, October, November.
Which wind directions work at Mammern (Lake Constance)?
Mammern (Lake Constance) works with W, WSW winds.
What equipment sizes are recommended at Mammern (Lake Constance)?
Recommended equipment sizes at Mammern (Lake Constance): Windsurfing: 5–7.5 m² · Wingfoiling: 4–6 m². The typical wind range is 12–25 kts.
What skill level is Mammern (Lake Constance) suitable for?
Mammern (Lake Constance) suits these riding levels: Windsurfing: Beginner to Intermediate · Wingfoiling: Intermediate.