Porth Iago
Safety warning
- No lifeguard service
- There is no lifeguard cover at Porth Iago. Take extra care before entering the water and avoid swimming in rough or unfamiliar conditions. — Local beach guidance
- Not a designated bathing water
- Not monitored under the Bathing Water Directive, so there is no classification, no sampling and no pollution alerting for it. — NRW bathing water register
Not monitored
Porth Iago is not a designated bathing water, so no water-quality classification, sampling or pollution alerting applies to it and we cannot tell you anything about the water today. There is no lifeguard service. Assess conditions yourself before entering the water.
Checked against the Environment Agency (England).
Sea conditions
Water temperature
19.1°C
Mild by Irish and British standards
Wave height
0.4 m
Significant wave height offshore; inshore conditions vary.
Tide
Going out
- Low water around UTC
- High water around UTC
Modelled values, not measurements — coastal water often differs from the open-sea model, and tide times are approximate to within about half an hour. Use official tide tables for anything that depends on precise timing.
About this spot
Porth Iago is a small west-facing sandy cove on the north coast of the Llŷn Peninsula, reached through farmland and fairly sheltered by the headlands on either side.
Common questions
- Can you swim at Porth Iago right now?
- Porth Iago is currently marked "Not monitored". Porth Iago is not a designated bathing water, so no water-quality classification, sampling or pollution alerting applies to it and we cannot tell you anything about the water today. There is no lifeguard service. Assess conditions yourself before entering the water. This reflects the latest data published by the Environment Agency (England). Conditions change quickly — always assess the water yourself before entering.