Tide
Heights retain the vertical reference supplied by the source and are not an official hydrographic zero.
NowTide unavailable—
Next eventTide curve unavailable—
Tide curve unavailable
Sea conditions
sea model sampled 5.5 km from the beach
- Estimated surface04:00 PM
- ≈ 17.4 °C
- Waves
- 0.3 m
- Period
- 7.3 s
- Swell
- 0.3 m NW
- Modelled current
- 5.6 km/h
Surface temperature · 24 h≈ 17.3 °C – 17.4 °C
17.4 °C
17.4 °C
17.3 °C
17.3 °C
17.4 °C
Local conditions
- UV
- 1.0
- Cloud cover
- 100 %
- Sunrise
- 08:26 AM
- Sunset
- 07:30 PM
Forecast
Temperature over 48 hours
Modelled forecasts may change. Hourly values are spaced three hours apart; scroll to view all 48 hours.
Source point, no interpolation
Hourly temperature forecast
This point remains readable, but it is outside the common selectable horizon.
Seven-day weather outlook
Practical information
- Horizon (relief)
- N 6° · NE 1° · E 1° · SE 1° · S 2° · SW 2° · W 6° · NW 6°Relief only, excludes vegetation and buildings.Source record 9/15/2026 · Open source
Sun and shore orientation
October 11, 2026 · Estimated times · local time
Sunrise
Shore orientation unavailable
Sunset
Shore orientation unavailable
Wind on the beach
Side wind
estimate
Bathing supervision
Supervision not provided
Do you know this beach?
The animation may show sand as a visual default; that does not confirm the real surface. What is the ground actually made of here?
Practical information recorded by the source
This information is source-recorded and may not describe the current situation.
Parking
Parking is not documented for this beach.
View parking on the mapPractical facilities
Current facilities are not documented for this beach.
Show catalogue context
- Local area
- 022recorded by the source · Source record 8/25/2026 · Open source
- Catalogue record
- Designated bathing waterrecorded by the source · Source record 8/25/2026 · Open source
- Coast
- Bretagne nordSource record 8/25/2026 · Open source
- Water body
- SeaSource record 8/25/2026 · Open source
Today’s windows
shore gatheringCheck first04:21 PM – 07:21 PM
shore gathering
Check first04:21 PM – 07:21 PM
Confidence 25 % · rules coast-v5
Sources Données météo par Open-Meteo.com
photographyCheck first05:30 PM – 07:30 PM
photography
Check first05:30 PM – 07:30 PM
Confidence 35 % · rules coast-v5
Sources Données météo par Open-Meteo.com
sunsetCheck first06:45 PM – 08:15 PM
sunset
Check first06:45 PM – 08:15 PM
Confidence 35 % · rules coast-v5
Sources Données météo par Open-Meteo.com
beach runCheck first08:00 AM – 09:30 AM
beach run
Check first08:00 AM – 09:30 AM
Confidence 35 % · rules coast-v5
Sources Données météo par Open-Meteo.com
coastal walkCheck first10:00 AM – 12:00 PM
coastal walk
Check first10:00 AM – 12:00 PM
Confidence 35 % · rules coast-v5
Sources Données météo par Open-Meteo.com
family beach timeCheck first02:00 PM – 05:00 PM
family beach time
Check first02:00 PM – 05:00 PM
Before you go
- latest health sample has expired
Confidence 0 % · rules coast-v5
Sources Données météo par Open-Meteo.com
Explore nearby
Beaches nearby
Spendeau · CC BY-SA 4.0Distance2.5 km
Loguivy, Côtes-d'Armor
A very close alternative
Annual classification: Excellent
Distance3.4 km
Le Ouern, Côtes-d'Armor
A very close alternative
Annual classification: Excellent
Distance4.4 km
Kermagen, Côtes-d'Armor
A very close alternative
Annual classification: Excellent
Distance3.4 km
Pors Rand, Côtes-d'Armor
A very close alternative
Annual classification: Good
Distance4.0 km
Port La Chaine, Côtes-d'Armor
A very close alternative
Annual classification: Sufficient
Distance1.3 km
L'Ile A Bois, Côtes-d'Armor
A very close alternative
Annual classification: Not classified
Discovery score: distance, available annual classification and catalogue quality. It is neither real-time health advice nor a safety conclusion.
Seven-day tide
Modelled tidal range · source reference| Sunday | Monday | 13 Tuesday | 14 Wednesday | 15 Thursday | 16 Friday | 17 Saturday |
|---|---|---|---|---|---|---|
Modelled tidal range— Projection unavailable | Modelled tidal range— Projection unavailable | Modelled tidal range— Projection unavailable | Modelled tidal range— Projection unavailable | Modelled tidal range— Projection unavailable | Modelled tidal range— Projection unavailable | Modelled tidal range— Projection unavailable |
Official information
Côtes-d'ArmorAnnual classification : Excellent
Latest sample : Sep 11, 2025, 12:00 AMOpen the health profile ↗An annual classification or the absence of an event in the feed does not mean bathing is currently permitted. Local signs and published orders take priority.
The place in pictures
View on Google Maps ↗No freely licensed photograph of Pors Guyon has yet passed our location, licence and credit review.
Country profile
- Languages
- French
- Emergency
- General number 112Police 17Fire 18Ambulance 15
- Currency
- Euro
- Driving side
- right
Wikidata · CC0 · Retrieved on Sep 18, 2026
Sources and method
- Tide heights
- Heights retain the vertical reference supplied by the source and are not an official hydrographic zero.
- Sea temperature and conditions
- Temperature and conditions come from a limited-resolution coastal model, not an observation at the beach. Do not use for navigation or to conclude that bathing is safe.
- Beach characteristics
- These place characteristics are recorded from the linked sources. They describe the place, not current conditions.
Source & freshness
Données météo par Open-Meteo.comOutdated
Modelled data · Weather forecast
Method and source ↗Licence ↗Données marines par Open-Meteo.comFresh
Modelled data · Marine forecast
Method and source ↗Licence ↗Météo-France — Vigilance météorologique, Licence OuverteAging
Official regulation
Method and source ↗Licence ↗Ministère des Solidarités et de la Santé — Données de rapportage de la saison balnéaire — mise à jour de la ressource data.gouv.frFresh
Official catalogue · Bathing water quality
Method and source ↗Licence ↗Ministère des Solidarités et de la Santé — Données de rapportage de la saison balnéaire — mise à jour de la ressource data.gouv.frFresh
Official catalogue · Bathing water quality
Method and source ↗Licence ↗Ministère des Solidarités et de la Santé — Données de rapportage de la saison balnéaire — mise à jour de la ressource data.gouv.frExpired
Official catalogue · Bathing water quality
Method and source ↗Licence ↗EEA/WISE Bathing Water Quality 2025 et autorités nationales — classement annuel, pas un avis sanitaire actuelAging
Official catalogue · Bathing water quality
Method and source ↗Licence ↗Copernicus DEM GLO-30 -- (c) DLR e.V. 2010-2014 and Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; distributed via the AWS Open Data Registry (bucket copernicus-dem-30m).Fresh
Additional source
Method and source ↗Copernicus DEM GLO-30 © DLR e.V. et Airbus DS, fourni par l'UE et l'ESAFresh
Copernicus DEM (elevation)
Method and source ↗Licence ↗NOAA OISST v2.1 (NOAA PSL)Fresh
NOAA OISST (sea temperature)
Method and source ↗Licence ↗© contributeurs OpenStreetMap (ODbL)Fresh
OpenStreetMap (coastline layout)
Method and source ↗Licence ↗EOT20 — Hart-Davis et al. (2021), DGFI-TUM, CC BY 4.0Modelled reference
Modelled data · Tide model
Method and source ↗Licence ↗Préfecture de Côtes-d'Armor — source officielleUnavailable
Administrative directory
Method and source ↗Tide unavailable: the activities stay unknown.
Modelled data and this estimate do not replace an official source. Mareloa is not a navigation tool.