Switzerland

Twann

5–40 mMax Depth

shoreEntry

2Species

Conditions Summary

Model forecast · local time (GMT+2)

Model conditions signalUnknown

Waves

—

Swell

—

Current speed

—

Water temperature

—

Wind

3.4 km/h

→ S

Sea level

—

WavesUnknown

SwellUnknown

Current speedUnknown

Forecast Overview

Fri, Oct 16Unknown

Waves—Current speed— maxWater temperature—

Sat, Oct 17Unknown

Waves—Current speed— maxWater temperature—

Sun, Oct 18Unknown

Waves—Current speed— maxWater temperature—

Mon, Oct 19Unknown

Waves—Current speed— maxWater temperature—

Next 72 hours

10:00

Waves: —

Current speed: —

Water temperature: —

16:00

Waves: —

Current speed: —

Water temperature: —

22:00

Waves: —

Current speed: —

Water temperature: —

04:00

Waves: —

Current speed: —

Water temperature: —

10:00

Waves: —

Current speed: —

Water temperature: —

16:00

Waves: —

Current speed: —

Water temperature: —

22:00

Waves: —

Current speed: —

Water temperature: —

04:00

Waves: —

Current speed: —

Water temperature: —

10:00

Waves: —

Current speed: —

Water temperature: —

16:00

Waves: —

Current speed: —

Water temperature: —

22:00

Waves: —

Current speed: —

Water temperature: —

04:00

Waves: —

Current speed: —

Water temperature: —

Catalog depth5–40 m

Data sources & field guideOpen-Meteo Marine + Weather APIs

Planning context, not a safety guarantee. Coastal model accuracy is limited. Confirm the actual briefing, entry, exit, and suitability with a local operator.

Open-Meteo Marine + Weather APIs →

Dive readiness

Collecting the latest marine conditions and forecast signals.

Seasons · water temperature

12-month outlook

Best window

May-Sep

Peak month

Not available

Current: mild

Typical visibility: 8 m

Historical planning data from the recorded site profile. Water temperature and conditions can vary by day, depth, and weather; confirm current conditions with a local operator.

Explore nearby centers on the map

Loading…

Dive Types

shorefresh Wateradvanced Difficulty

Questions to ask a local operator

What are today's current, visibility, entry, and exit conditions?
Does the planned route stay within my certification and recent experience?
Are there local permits, conservation rules, or equipment requirements?

Common Species

12 km · nearby observations

Asian clam

Corbicula fluminea

DeepLog1

European perch

Perca fluviatilis

DeepLog1

Mergus merganser

Nearby OBIS observations27

Anas platyrhynchos

Nearby OBIS observations22

Netta rufina

Nearby OBIS observations20

Podiceps cristatus

Nearby OBIS observations15

Xanthoria parietina

Nearby OBIS observations12

Phalacrocorax carbo

Nearby OBIS observations11

Amanita muscaria

Nearby OBIS observations9

Anser anser

Nearby OBIS observations9

Larus ridibundus

Nearby OBIS observations9

Pandion haliaetus

Nearby OBIS observations8

These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.

DeepLog + OBIS →

Photos