Data as of: 2026-10-28, 23:48
Officially measured
bathing permitted
Most recent sample: 19 October 2026
Our calculation
Some concern today
Reason: waste water discharge 65 metres away, not authorised, slight contamination possible. Please observe any signage on site.
* Calculated from rain, live data on ocean currents and the zone own sample series. Updated hourly.
Playa de San Telmo is situated in Puerto de la Cruz on Tenerife. Its seabed consists of gravel and dark sand. Measuring approximately 30 metres in length and around 25 metres in width, it is one of the shortest bathing areas on Tenerife. The local council reports that it has wheelchair-accessible access, as well as a beach promenade and a footpath.
Most recent official sample
| E. coli | 29 | Limit 500 |
|---|---|---|
| Intestinal enterococci | 9 | Limit 185 |
| Official verdict | bathing permitted (Zona Apta para el baño) | |
| Annual class | good (BUENA) | |
The most recent sample was taken on 19 October 2026. For conditions today it is only an indication. This zone is sampled about every 14 days, and by that rhythm the next sample is due on 2 November 2026.

Water temperature at Playa de San Telmo, Tenerife
The current water temperature at Playa de San Telmo in Puerto de la Cruz, Tenerife, is 24 degrees Celsius.
Conditions today
| Rain over the past 48 hours | 0.1 millimetres |
|---|---|
| Current | 0.3 km/h |
| Wave height | 1.90 metres |
Waste water discharges nearby
| Waste water discharges nearby | Distance | Official verdict | Treatment | Condition of the pipe |
|---|---|---|---|---|
| Aliviadero EBAR San Telmo | 65 Meter | not authorised | screening only | good |
| Rebosaderos Piscinas Lago Martiánez | 179 Meter | not authorised | no data | good |
| Desagüe Piscinas Lago Martiánez A (Barco + Climatizada + San Telmo + Jacuzzi) | 198 Meter | not authorised | no data | good |
| Desagüe Piscinas Lago Martiánez B (Alisios + Pulpo) | 319 Meter | not authorised | no data | good |
| Pluviales de la descarga de la red unitaria en la zona del casco | 355 Meter | authorised | screening only | no data |
| Desagüe Piscinas Lago Martiánez C (El Lago) | 388 Meter | not authorised | no data | good |
| Aliviadero EBAR Playa Jardín | 1.3 Kilometer | not authorised | screening only | bad |
| Aliviadero EBAR Playa Chica | 1.9 Kilometer | not authorised | no data | good |
History
79 samples since 23 January 2023, none of them with a ban or warning.
This page exists because a waste water outlet discharges into the sea 65 metres away. The measurement series for this zone has been unremarkable so far.
Official bathing water profile (PDF)
The map needs JavaScript. All readings are in the tables on this page as well.
Beaches nearby
Weather in Puerto de la Cruz: current forecast, water temperature and UV index
All bathing zones on Tenerife To the map of all Canary Islands
Waste water news from the Canary Islands
This page does not replace official bathing water monitoring or a warning issued by the municipality. The estimated part is our own calculation, not a measurement.
Sources: Gobierno de Canarias (Dirección General de Salud Pública; Censo de vertidos desde tierra al mar), Ministerio de Sanidad (NÁYADE), European Environment Agency (UWWTD), Ministerio para la Transición Ecológica, Open-Meteo.