Portmarnock, Velvet Strand Beach
Good to go
No current pollution alerts — always assess conditions yourself.
Checked against the Environmental Protection Agency (Ireland) · data last changed 29 days ago.
Sea conditions
Water temperature
14.1°C
Chilly — most swimmers want a wetsuit
Wave height
0.9 m
Significant wave height offshore; inshore conditions vary.
Tide
Coming in
- High water around UTC
- Low 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
Velvet Strand Beach is a long, open, gently sloping beach facing east. Dunes are located to the back of the beach.
This spot’s record
Portmarnock, Velvet Strand Beach is in Dublin, about 13 km from Dublin. Portmarnock, Velvet Strand Beach has been rated Excellent in each of the 4 bathing seasons classified by the Environmental Protection Agency (Ireland), 2022 through 2025. In the previous bathing season Portmarnock, Velvet Strand Beach was under a short-term pollution restriction on 27 days. That is last season's record and not a forecast for today. Across the 12 most recent samples published by the Environmental Protection Agency (Ireland), E. coli counts ranged from 10 to 110 per 100 ml. The highest was taken on 15 June 2026. A classification is calculated from percentiles across four seasons, so no single reading decides how this water is rated.
Recent sample results
The last 12 bacterial samples published by the Environmental Protection Agency (Ireland), most recent on the right. Counts are per 100 ml of water.
Dashed line: 500 E. coli per 100 ml, the Bathing Water Directive guide value for coastal / transitional waters.
| Date | E. coli | Enterococci | Assessment |
|---|---|---|---|
| 9 Sept | 10 | 9 | Excellent |
| 7 Sept | 10 | 3 | Excellent |
| 31 Aug | 84 | 28 | Excellent |
| 24 Aug | 20 | 1 | Excellent |
| 21 Aug | 10 | 9 | Excellent |
| 21 Aug | 10 | 9 | Excellent |
A bathing water's official classification is calculated from percentiles across four bathing seasons, not from any single sample — so one high reading doesn't mean a spot is unsafe, and one low reading doesn't mean it's clean today.
Quality over the last 4 years
- Excellent2022
- Excellent2023
- Excellent2024
- Excellent2025
This water has been rated Excellent in each of the last 4 years.
Facilities & access
- Lifeguard
- Yes11am to 7pm weekends only in June & full time July, August & first two weeks in Sept
- Parking
- Yes
- Toilets
- Yes
- Accessible entry
- Yes
- Dogs
- Yes
- Public transport
- YesBus Route
Official water quality
Classified Excellent in 2025.
Portmarnock, Velvet Strand Beach is classified as achieving Excellent Water Quality in 2025 based on the assessment of bacteriological results for the period 2022 to 2025. Portmarnock, Velvet Strand Beach has achieved an Excellent Water Quality rating for the four consecutive years 2022 to 2025. Annual water quality ratings are generally calculated using monitoring results over a four-year period and are assessed against stringent bacterial limits to protect bather health.
Official bathing-water profileCommon questions
- Can you swim at Portmarnock, Velvet Strand Beach right now?
- Portmarnock, Velvet Strand Beach is currently marked "Good to go". No current pollution alerts — always assess conditions yourself. This reflects the latest data published by the Environmental Protection Agency (Ireland). Conditions change quickly — always assess the water yourself before entering.
- What is the water quality like at Portmarnock, Velvet Strand Beach?
- the Environmental Protection Agency (Ireland) classified Portmarnock, Velvet Strand Beach as Excellent in 2025. Classifications are a rolling assessment of bacterial samples taken over four bathing seasons, measured against E. coli and intestinal enterococci limits set by the EU Bathing Water Directive.
- Is there a swimming ban or warning at Portmarnock, Velvet Strand Beach?
- There are no active bathing restrictions published by the Environmental Protection Agency (Ireland) for Portmarnock, Velvet Strand Beach. That is not a guarantee of safety — assess conditions yourself.
- Is there a lifeguard at Portmarnock, Velvet Strand Beach?
- Yes — Portmarnock, Velvet Strand Beach has lifeguard cover. Hours: 11am to 7pm weekends only in June & full time July, August & first two weeks in Sept. Cover is seasonal; check locally before relying on it.
- What facilities are there at Portmarnock, Velvet Strand Beach?
- Portmarnock, Velvet Strand Beach has toilets, parking, accessible entry. Facility information is published by the Environmental Protection Agency (Ireland).
This spot is also in
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Nearby swimming spots
See all swimming spots near Dublin — about 13 km away.