Surf Forecasts:
Clonmass Bay (Ards) surf forecast from 19 Jun 2026:
- Most powerful swell: Thursday 25 Jun, 7AM (local time) - 2.5ft (0.8m), 8s period, NNW swell with 67 kJ wave energy.
Best Forecast Surf Conditions for Clonmass Bay (Ards) this week:
The most powerful waves expected at Clonmass Bay (Ards) in the next 16 days are 0.8m 8s and forecast to arrive on Thursday (Jun 25) at 7AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 6s period and expected on Saturday (Jun 20) at 1PM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7AM (Thu 25th Jun) | 2.5ft (0.8m) 8s |
Table - best surf conditions forecast for Clonmass Bay (Ards) over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 17°C on Sun afternoon, min 11°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 19°C on Mon morning, min 11°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | N 10 | N 9 | N 9 | W 6 | W 6 | N 8 | WNW 7 | NNE 3 | N 11 | N 10 | N 10 | N 8 | N 8 | WSW 5 | W 6 | N 8 | N 8 | NNW 7 | NNW 8 | NNW 7 | NNW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2 | 2 | 2 | 49 | 50 | 1 | 0 | 2 | 2 | 18 | 17 | 12 | 10 | 49 | 21 | 5 | 1 | 18 | 64 | 47 | 15 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross | cross | cross-on | cross | glassy | cross | off | cross-off | cross-on | cross-off | cross | cross | cross-on | cross-on | cross-on | glassy | cross-off | cross-on | cross-off |
High Tide | 10:05AM2.94m | 10:30PM3.39m | 10:59AM2.74m | 11:25PM3.18m | 11:56AM2.58m | 00:24AM2.97m | 12:59PM2.48m | 1:26AM2.79m | 2:05PM2.45m | 2:30AM2.66m | 3:10PM2.50m | 3:32AM2.62m | 4:07PM2.60m | ||||||||
Low Tide | 3:59PM0.34m | 4:50AM0.42m | 4:52PM0.51m | 5:47AM0.60m | 5:50PM0.70m | 6:48AM0.75m | 6:54PM0.86m | 7:50AM0.85m | 8:03PM0.96m | 8:50AM0.89m | 9:11PM0.98m | 9:44AM0.89m | 10:10PM0.94m | ||||||||
 |  |  | | | | | |  | | |  | |  | | | | | | | | |
 | 4:50 | — | — | 4:50 | — | — | 4:50 | — | — | 4:50 | — | — | 4:50 | — | — | 4:50 | — | — | 4:52 | — | — |
 | — | — | 10:15 | — | — | 10:15 | — | — | 10:15 | — | — | 10:15 | — | — | 10:15 | — | — | 10:15 | — | — | 10:15 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 13 | 14 | 14 | 12 | 15 | 17 | 16 | 19 | 18 | 17 | 17 | 16 | 13 | 13 | 13 | 12 | 17 | 18 | 17 |
Feels °C | 12 | 11 | 11 | 9 | 9 | 10 | 12 | 14 | 13 | 19 | 16 | 16 | 13 | 13 | 11 | 10 | 10 | 11 | 15 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | NW 8 | NW 7 | NW 7 | NW 6 | WNW 7 | WNW 7 | WNW 7 | NW 7 | WNW 7 | WNW 7 | NW 7 | W 9 | W 8 | WNW 8 | WNW 8 | W 8 | NNW 8 | NNW 7 | W 8 |
| kJ | 108 | 63 | 9 | 8 | 7 | 20 | 83 | 62 | 66 | 50 | 31 | 18 | 7 | 6 | 6 | 60 | 81 | 66 | 64 | 47 | 35 |
Swell 2 Height (m) Direction Period (s) | N 10 | WNW 8 | N 9 | N 8 | N 8 | W 7 | — | N 9 | N 11 | N 10 | N 10 | N 8 | N 8 | N 7 | N 9 | N 8 | N 8 | NNW 7 | W 8 | W 8 | NNW 7 |
| kJ | 2 | 22 | 2 | 1 | 1 | 23 | — | 2 | 2 | 18 | 17 | 12 | 10 | 4 | 6 | 5 | 1 | 18 | 47 | 33 | 15 |
Swell 3 Height (m) Direction Period (s) | — | N 9 | — | — | W 10 | N 8 | — | — | W 12 | W 11 | W 10 | W 10 | W 9 | N 9 | — | — | W 11 | NW 9 | W 13 | W 12 | — |
| kJ | — | 2 | — | — | 2 | 1 | — | — | 3 | 2 | 2 | 8 | 7 | 6 | — | — | 2 | 27 | 3 | 12 | — |
Wind waves Height (m) Direction Period (s) | — | — | W 8 | W 6 | W 6 | — | — | NNE 3 | NE 3 | — | — | WSW 3 | W 7 | WSW 5 | W 6 | — | — | — | — | NE 4 | E 3 |
| kJ | — | — | 58 | 49 | 50 | — | — | 2 | 1 | — | — | 2 | 44 | 49 | 21 | — | — | — | — | 7 | 7 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 7 | 42 | 14 | 337 | 339 | 42 | 7 | 34 | 7 | 9 | 14 | 9 | 19 | 468 | 445 | 133 | 48 | 7 | 9 | 27 | 9 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Clonmass Bay (Ards) Surf forecast
The above surf forecast table for Clonmass Bay (Ards) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Clonmass Bay (Ards) can be found by selecting the local surf guide option on the grey menu. Our Clonmass Bay (Ards) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Clonmass Bay (Ards)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Clonmass Bay (Ards) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Clonmass Bay (Ards) is 26 km (16 miles) from the city of Letterkenny. If you plan a holiday in Donegal, look for hotels and other accommodation in Letterkenny. Letterkenny has rooms for a wide range of budgets as well as car hire and transport links.
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