Surf Forecasts:
Bunatrahir Bay surf forecast from 29 Jun 2026:
- Best quality surf: Thursday 2 Jul, 1AM (local time) - 11ft (3.5m), 10s period, W swell with cross-shore winds.
- Most powerful swell: Thursday 2 Jul, 1AM (local time) - 11ft (3.5m), 10s period, W swell with 2,055 kJ wave energy.
- Next surfable swell (1★+): Tuesday 30 Jun, 7AM (local time) - 5.5ft (1.7m), 9s period with W swell.
Best Forecast Surf Conditions for Bunatrahir Bay this week:
The surf forecast for Bunatrahir Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jun 30) at 7AM. The primary swell is predicted to be 1.7m and 9s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Bunatrahir Bay in the next 16 days are 3.5m 10s and forecast to arrive on Thursday (Jul 02) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Tuesday (Jun 30) at 1AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Tue 30th Jun) | 5.5ft (1.7m) 9s |
| Best Surf | 1AM (Thu 2nd Jul) | 11ft (3.5m) 10s |
| Most Powerful | 1AM (Thu 2nd Jul) | 11ft (3.5m) 10s |
Table - best surf conditions forecast for Bunatrahir Bay over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 14mm), heaviest on Mon night. Very mild (max 17°C on Mon afternoon, min 12°C on Tue night). Winds increasing (light winds from the W on Tue night, strong winds from the WSW by Wed night). | Days 5-7 Weather SummaryLight rain (total 5mm), mostly falling on Thu night. Very mild (max 17°C on Fri afternoon, min 13°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Mon 29 | Tuesday 30 | Wednesday 1 | Thursday 2 | Friday 3 | Saturday 4 | Sunday 5 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | W 10 | W 10 | W 9 | WNW 9 | WSW 11 | W 10 | WSW 10 | W 10 | W 10 | WSW 10 | WSW 11 | WSW 7 | WSW 10 | WSW 10 | W 8 | W 9 | W 9 | W 9 | WSW 9 | W 7 | W 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1230 | 600 | 427 | 260 | 387 | 327 | 430 | 2055 | 1449 | 721 | 460 | 420 | 402 | 425 | 341 | 373 | 220 | 162 | 129 | 155 | 258 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-on | cross-on | off | off | cross | cross | cross | cross-off | cross-on | cross-on | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-off | off |
High Tide | 6:31PM3.09m | 6:47AM2.78m | 7:08PM3.18m | 7:23AM2.79m | 7:44PM3.24m | 7:58AM2.76m | 8:19PM3.27m | 8:33AM2.72m | 8:54PM3.25m | 9:10AM2.66m | 9:29PM3.20m | 9:49AM2.61m | 10:06PM3.12m | 10:33AM2.55m | |||||||
Low Tide | 00:40AM0.61m | 12:41PM0.53m | 1:18AM0.57m | 1:16PM0.49m | 1:55AM0.56m | 1:49PM0.48m | 2:31AM0.57m | 2:23PM0.51m | 3:07AM0.60m | 2:57PM0.58m | 3:44AM0.63m | 3:34PM0.68m | 4:24AM0.66m | ||||||||
 |  |  |  |  |  | | |  | |  | | |  | | |  | | |  | | |
 | — | — | 5:05 | — | — | 5:07 | — | — | 5:07 | — | — | 5:09 | — | — | 5:09 | — | — | 5:09 | — | — | 5:11 |
 | — | 10:15 | — | — | 10:15 | — | — | 10:14 | — | — | 10:14 | — | — | 10:13 | — | — | 10:13 | — | — | 10:12 | 10:12 |
mm | 1 | 11 | 2 | — | — | — | — | — | — | — | 4 | — | — | 1 | — | — | — | — | — | — | — |
Temp °C | 17 | 13 | 16 | 15 | 13 | 13 | 16 | 16 | 15 | 16 | 15 | 15 | 17 | 16 | 15 | 15 | 14 | 16 | 17 | 16 | 24 |
Feels °C | 12 | 9 | 14 | 12 | 10 | 11 | 11 | 10 | 12 | 13 | 12 | 14 | 16 | 13 | 12 | 12 | 12 | 15 | 16 | 17 | 20 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 9 | WSW 11 | WSW 11 | W 10 | NNW 6 | — | — | WSW 10 | WSW 11 | NW 9 | WSW 10 | NW 10 | WNW 10 | NW 9 | W 9 | W 9 | WSW 9 | W 8 | W 8 |
| kJ | 1230 | 600 | 427 | 234 | 387 | 327 | 4 | — | — | 721 | 460 | 159 | 402 | 286 | 246 | 162 | 220 | 162 | 129 | 37 | 258 |
Swell 2 Height (m) Direction Period (s) | — | — | SE 4 | — | W 9 | N 7 | N 7 | — | — | NW 9 | NW 9 | — | NW 10 | — | W 10 | — | NW 9 | NW 8 | NW 8 | — | W 16 |
| kJ | — | — | 4 | — | 54 | 1 | 1 | — | — | 343 | 225 | — | 348 | — | 55 | — | 155 | 118 | 98 | — | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | N 7 | — | — | — | — | — | — | — | — | — | — | W 17 | — | — | — |
| kJ | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 6 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SE 4 | — | WNW 9 | NW 7 | — | WSW 10 | W 10 | W 10 | — | — | WSW 7 | — | WSW 10 | W 8 | W 9 | — | — | — | W 7 | — |
| kJ | — | 24 | — | 260 | 176 | — | 430 | 2055 | 1449 | — | — | 420 | — | 425 | 341 | 373 | — | — | — | 155 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 179 | 71 | 0 | 242 | 59 | 0 | 263 | 453 | 242 | 65 | 0 | 58 | 20 | 9 | 9 | 137 | 9 | 9 | 42 | 0 | 0 |
Best forecast wave conditions in Mayo and Achill Island | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Bunatrahir Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Bunatrahir Bay Surf forecast
The above surf forecast table for Bunatrahir Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Bunatrahir Bay can be found by selecting the local surf guide option on the grey menu. Our Bunatrahir Bay 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 (Bunatrahir Bay) 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 Bunatrahir Bay 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.
Are you planning a holiday in Mayo and Achill Island? If you are looking for accommodation near Bunatrahir Bay, camping, hotels and holiday cottages in Mayo and Achill Island, consider staying in Ballina which is 24 km (15 miles) away. Other places in and around Mayo and Achill Island where you can find information about places to rent, and car hire include Belmullet which is 41 km (25 miles) away, Westport, Sligo and Claremorris.
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