Surf Forecasts:
Trá Na Rosan surf forecast from 28 Jun 2026:
- Best quality surf: Monday 29 Jun, 7PM (local time) - 5.5ft (1.7m), 10s period, WNW swell with glassy winds.
- Most powerful swell: Saturday 4 Jul, 7AM (local time) - 15ft (4.5m), 12s period, WNW swell with 5,692 kJ wave energy.
- Next surfable swell (1★+): Monday 29 Jun, 7PM (local time) - 5.5ft (1.7m), 10s period with WNW swell.
Best Forecast Surf Conditions for Trá Na Rosan this week:
The surf forecast for Trá Na Rosan over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jun 29) at 7PM. The primary swell is predicted to be 1.7m and 10s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Trá Na Rosan in the next 16 days are 4.5m 12s and forecast to arrive on Saturday (Jul 04) at 7AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 8s period and expected on Thursday (Jul 02) at 1AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Mon 29th Jun) | 5.5ft (1.7m) 10s |
| Best Surf | 7PM (Mon 29th Jun) | 5.5ft (1.7m) 10s |
| Most Powerful | 7AM (Sat 4th Jul) | 15ft (4.5m) 12s |
Table - best surf conditions forecast for Trá Na Rosan over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Mon afternoon. Very mild (max 16°C on Mon morning, min 12°C on Mon night). Winds decreasing (strong winds from the SW on Sun afternoon, calm by Tue morning). | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Wed afternoon. Very mild (max 18°C on Fri afternoon, min 12°C on Thu night). Winds increasing (light winds from the WSW on Wed afternoon, near gales from the WSW by Fri night). | ||||||||||||||||||||
Sun 28 | Monday 29 | Tuesday 30 | Wednesday 1 | Thursday 2 | Friday 3 | Saturday 4 | |||||||||||||||
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 13 | WNW 12 | WNW 12 | WNW 11 | WNW 10 | WNW 9 | WNW 9 | W 10 | WNW 11 | WNW 10 | WSW 8 | WNW 10 | WNW 9 | W 9 | WNW 9 | WNW 10 | W 10 | NW 12 | NW 12 | WNW 10 | W 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2469 | 2186 | 1293 | 823 | 365 | 181 | 177 | 188 | 198 | 128 | 0 | 1546 | 1034 | 341 | 645 | 1082 | 1997 | 5370 | 2212 | 631 | 541 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | off | off | on | on | cross-on | cross | cross-off | cross-on | cross-on | cross | cross-off | cross-off | cross | cross-on | cross-on | cross-off | cross |
High Tide | 6:18PM2.98m | 6:36AM2.85m | 6:56PM3.08m | 7:12AM2.90m | 7:32PM3.15m | 7:46AM2.91m | 8:08PM3.19m | 8:21AM2.89m | 8:43PM3.19m | 8:55AM2.83m | 9:18PM3.15m | 9:30AM2.76m | 9:53PM3.09m | 10:07AM2.69m | |||||||
Low Tide | 00:24AM0.67m | 12:34PM0.60m | 1:02AM0.59m | 1:10PM0.52m | 1:39AM0.55m | 1:45PM0.46m | 2:15AM0.54m | 2:19PM0.44m | 2:51AM0.55m | 2:52PM0.45m | 3:26AM0.58m | 3:27PM0.50m | 4:03AM0.63m | ||||||||
 |  |  |  |  | | | |  | |  | | | | | | | | | | | |
 | — | — | 4:52 | — | — | 4:54 | — | — | 4:54 | — | — | 4:54 | — | — | 4:56 | — | — | 4:56 | — | — | 4:58 |
 | — | 10:15 | — | — | 10:15 | — | — | 10:15 | — | — | 10:14 | — | — | 10:14 | — | — | 10:13 | — | — | 10:13 | 10:12 |
mm | — | — | — | 3 | 6 | 3 | — | — | — | 1 | 2 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 16 | 16 | 13 | 14 | 14 | 14 | 14 | 16 | 17 | 14 | 14 | 13 | 16 | 18 | 15 | 13 | 15 | 17 | 15 |
Feels °C | 5 | 8 | 11 | 13 | 11 | 15 | 13 | 13 | 13 | 14 | 12 | 8 | 8 | 9 | 10 | 10 | 6 | 9 | 13 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | — | WNW 12 | WNW 12 | WNW 11 | WNW 10 | WNW 9 | WNW 9 | W 10 | WNW 11 | WNW 10 | — | — | — | NW 8 | — | — | — | — | NW 12 | WNW 10 | NNW 7 |
| kJ | — | 2186 | 1293 | 823 | 365 | 181 | 177 | 188 | 198 | 128 | — | — | — | 233 | — | — | — | — | 2212 | 631 | 17 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | NW 7 | — | — | — | — | — | N 7 | — | — | — | — | — | NNW 8 | — |
| kJ | — | — | — | — | — | — | — | 14 | — | — | — | — | — | 10 | — | — | — | — | — | 60 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 13 | — | — | — | — | S 3 | — | — | — | — | WSW 8 | WNW 10 | WNW 9 | W 9 | WNW 9 | WNW 10 | W 10 | NW 12 | — | — | W 10 |
| kJ | 2469 | — | — | — | — | 1 | — | — | — | — | 277 | 1546 | 1034 | 341 | 645 | 1082 | 1997 | 5370 | — | — | 541 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 457 | 75 | 75 | 35 | 0 | 0 | 99 | 147 | 24 | 14 | 332 | 372 | 403 | 67 | 75 | 507 | 361 | 192 | 344 | 35 | 363 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||
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 Trá Na Rosan 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 Trá Na Rosan Surf forecast
The above surf forecast table for Trá Na Rosan provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Trá Na Rosan can be found by selecting the local surf guide option on the grey menu. Our Trá Na Rosan 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 (Trá Na Rosan) 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 Trá Na Rosan 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 Donegal? If you are looking for accommodation near Trá Na Rosan, camping, hotels and holiday cottages in Donegal, consider staying in Letterkenny which is 31 km (19 miles) away. Other places in and around Donegal where you can find information about places to rent, and car hire include Malin Head which is 35 km (22 miles) away, Derry, Derry and Londonderry County Borough.
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