Surf Forecasts:
Trá Mór (Sheephaven Bay) surf forecast from 29 Aug 2026:
- Best quality surf: Friday 4 Sep, 10PM (local time) - 11ft (3.5m), 11s period, WNW swell with offshore winds.
- Most powerful swell: Friday 4 Sep, 10AM (local time) - 15ft (4.5m), 12s period, WNW swell with 5,851 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 7PM (local time) - 5ft (1.6m), 9s period with WNW swell.
Best Forecast Surf Conditions for Trá Mór (Sheephaven Bay) this week:
The surf forecast for Trá Mór (Sheephaven Bay) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 01) at 7PM. The primary swell is predicted to be 1.6m and 9s period with a secondary swell of 0.1m and 18s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Trá Mór (Sheephaven Bay) in the next 16 days are 4.5m 12s and forecast to arrive on Friday (Sep 04) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 9s period and expected on Thursday (Sep 03) at 4AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Tue 1st Sep) | 5ft (1.6m) 9s |
| Best Surf | 10PM (Fri 4th Sep) | 11ft (3.5m) 11s |
| Most Powerful | 10AM (Fri 4th Sep) | 15ft (4.5m) 12s |
Table - best surf conditions forecast for Trá Mór (Sheephaven Bay) over the next 16 days.
Short Range ForecastLight rain (total 7mm), mostly falling on Sun afternoon. Very mild (max 15°C on Sat morning, min 12°C on Mon night). Mainly fresh winds. | Days 4-6 Weather SummaryHeavy rain (total 21mm), heaviest during Tue afternoon. Very mild (max 18°C on Wed morning, min 13°C on Tue afternoon). Winds increasing (calm on Tue afternoon, strong winds from the WSW by Wed night). | ||||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | |||||||||||||||
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) | NNW 6 | NNW 6 | NNW 6 | W 11 | W 10 | W 9 | WNW 7 | NW 7 | NNW 7 | W 8 | WNW 9 | WNW 8 | WNW 8 | N 8 | N 11 | WNW 12 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 29 | 32 | 22 | 35 | 66 | 56 | 362 | 194 | 34 | 546 | 415 | 194 | 87 | 44 | 88 | 2966 | 4167 | 3174 | 5851 | 4326 | 1946 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-off | off | glassy | cross-on | on | cross-on | cross-off | cross | on | off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | off |
High Tide | 7:48PM3.55m | 8:04AM3.23m | 8:19PM3.54m | 8:35AM3.22m | 8:51PM3.45m | 9:09AM3.15m | 9:27PM3.29m | 9:47AM3.02m | 10:07PM3.06m | 10:31AM2.84m | 10:57PM2.78m | 11:31AM2.63m | 00:10AM2.51m | ||||||||
Low Tide | 1:29PM0.09m | 1:56AM0.08m | 2:00PM0.07m | 2:27AM0.09m | 2:33PM0.13m | 2:59AM0.17m | 3:08PM0.25m | 3:35AM0.33m | 3:49PM0.44m | 4:17AM0.56m | 4:37PM0.69m | 5:09AM0.82m | 5:44PM0.94m | ||||||||
 |  |  |  |  |  | | | | |  |  | | | |  | | | | |  | |
 | 6:30 | — | — | 6:31 | — | — | 6:33 | — | — | 6:35 | — | — | 6:37 | — | — | 6:39 | — | — | 6:41 | — | — |
 | — | 8:32 | — | — | 8:30 | — | — | 8:28 | — | — | 8:24 | — | — | 8:22 | — | — | 8:20 | — | — | 8:17 | — |
mm | — | — | — | 1 | 5 | 1 | — | — | — | 4 | 9 | 2 | — | 1 | 1 | — | 1 | 3 | 1 | — | 9 |
Temp °C | 15 | 15 | 15 | 14 | 15 | 14 | 14 | 15 | 15 | 15 | 14 | 15 | 18 | 18 | 16 | 14 | 14 | 13 | 14 | 15 | 17 |
Feels °C | 15 | 15 | 15 | 12 | 15 | 13 | 9 | 10 | 10 | 10 | 12 | 14 | 14 | 14 | 10 | 5 | 6 | 5 | 7 | 10 | 12 |
Swell 1 Height (m) Direction Period (s) | NNW 6 | NNW 6 | NNW 6 | N 7 | W 10 | W 9 | — | W 10 | NNW 7 | NNW 6 | WNW 9 | WNW 8 | WNW 8 | N 8 | N 11 | NNW 11 | N 11 | N 10 | — | — | NNW 12 |
| kJ | 29 | 32 | 22 | 23 | 66 | 56 | — | 70 | 34 | 4 | 415 | 194 | 87 | 44 | 88 | 40 | 21 | 8 | — | — | 298 |
Swell 2 Height (m) Direction Period (s) | W 7 | W 7 | W 9 | W 11 | N 7 | NNW 7 | — | — | WNW 9 | — | N 8 | NNW 9 | NNW 8 | N 12 | — | — | — | — | — | — | — |
| kJ | 4 | 1 | 2 | 35 | 24 | 15 | — | — | 28 | — | 1 | 113 | 68 | 11 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | W 10 | W 6 | NW 6 | — | W 11 | — | — | — | — | — | W 18 | N 13 | W 16 | — | — | — | — | — | — | — |
| kJ | — | 2 | 1 | 1 | — | 3 | — | — | — | — | — | 6 | 3 | 5 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NW 3 | WNW 7 | NW 7 | W 6 | W 8 | — | — | S 2 | WSW 8 | W 8 | WNW 12 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 10 |
| kJ | — | — | — | — | — | 1 | 362 | 194 | 89 | 546 | — | — | 1 | 173 | 484 | 2966 | 4167 | 3174 | 5851 | 4326 | 1946 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 28 | 40 | 272 | 7 | 7 | 162 | 394 | 134 | 67 | 358 | 46 | 0 | 7 | 339 | 395 | 643 | 788 | 788 | 447 | 339 | 0 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Trá Mór (Sheephaven Bay) Surf forecast
The above surf forecast table for Trá Mór (Sheephaven Bay) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Trá Mór (Sheephaven Bay) can be found by selecting the local surf guide option on the grey menu. Our Trá Mór (Sheephaven 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 (Trá Mór (Sheephaven 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 Trá Mór (Sheephaven 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.
Trá Mór (Sheephaven Bay) is 25 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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