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Trá Mór (Sheephaven Bay) surfForecast / Donegal / Ireland
12 Day Weather and Surf, issued 12 pm Wednesday 27 Aug 2025 IST
Best Forecast Surf Conditions for Trá Mór (Sheephaven Bay) this week:
The surf forecast for Trá Mór (Sheephaven Bay) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 28) at 4PM. The primary swell is predicted to be 2.4m and 12s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Trá Mór (Sheephaven Bay) in the next 12 days are 2.4m 12s and forecast to arrive on Thursday (Aug 28) at 1PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Sunday (Aug 31) at 4AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Thu 28th Aug) | 8ft (2.4m) 12s |
| Best Surf | 4PM (Thu 28th Aug) | 8ft (2.4m) 12s |
| Most Powerful | 1PM (Thu 28th Aug) | 8ft (2.4m) 12s |
Table - best surf conditions forecast for Trá Mór (Sheephaven Bay) over the next 12 days.
Short Range Forecast Heavy rain (total 29mm), heaviest during Wed morning. Very mild (max 17°C on Wed morning, min 12°C on Fri night). Wind will be generally light. | Days 3-6 Weather Summary Heavy rain (total 25mm), heaviest during Sat morning. Very mild (max 16°C on Sat afternoon, min 13°C on Sat morning). Winds decreasing (strong winds from the WSW on Sat afternoon, light winds from the WSW by Sun night). | ||||||||||||||||||||
Wednesday 27 | Thursday 28 | Friday 29 | Saturday 30 | Sunday 31 | Monday 01 | Tuesday 02 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 12 | 12 | 11 | 10 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 12 | 11 | 10 | 10 | 9 | 9 | 8 |
Wave (?)Graph  | |||||||||||||||||||||
| Energy (?) | 1643 | 1365 | 1467 | 1599 | 1676 | 1034 | 678 | 367 | 335 | 213 | 181 | 438 | 453 | 632 | 730 | 680 | 919 | 474 | 384 | 330 | 248 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | off | cross- on | on | cross- on | cross | off | cross- off | cross- on | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | off |
High Tide / height (m) | 9:23PM 3.20 | 9:37AM 2.92 | 9:54PM 2.96 | 10:09AM 2.75 | 10:26PM 2.70 | 10:46AM 2.56 | 11:06PM 2.44 | 11:36AM 2.36 | 12:06AM 2.21 | 1:03PM 2.21 | 1:56AM 2.11 | 3:04PM 2.26 | 3:41AM 2.23 | ||||||||
Low Tide / height (m) | 3:06PM 0.32 | 3:30AM 0.46 | 3:38PM 0.53 | 4:01AM 0.68 | 4:13PM 0.79 | 4:34AM 0.92 | 4:53PM 1.05 | 5:16AM 1.16 | 5:50PM 1.30 | 6:26AM 1.35 | 7:35PM 1.45 | 8:21AM 1.38 | 9:29PM 1.35 | ||||||||
Wednesday 27 | Thursday 28 | Friday 29 | Saturday 30 | Sunday 31 | Monday 01 | Tuesday 02 | |||||||||||||||
| Sunrise | 6:26 | - | - | 6:28 | - | - | 6:30 | - | - | 6:31 | - | - | 6:33 | - | - | 6:35 | - | - | 6:37 | - | - |
| Sunset | - | 8:37 | - | - | 8:35 | - | - | 8:32 | - | - | 8:30 | - | - | 8:28 | - | - | 8:24 | - | - | 8:22 | - |
 |  |  | | |  | | |  | | |  | |  | | | | | |  |  | |
Rain (mm) | 4 | 2 | 6 | 3 | 5 | 5 | 2 | 2 | - | 4 | 1 | 5 | 2 | 2 | 4 | 2 | 2 | 3 | 2 | - | - |
| Temp. °C | 17 | 16 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 16 | 14 | 15 | 15 | 14 | 15 | 14 | 13 | 14 | 15 | 13 |
| Feels °C (?) | 14 | 11 | 11 | 11 | 12 | 12 | 13 | 12 | 12 | 8 | 11 | 7 | 9 | 9 | 10 | 11 | 9 | 8 | 9 | 10 | 11 |
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Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Donegal
The wind is still cross-off at Trá Mór (Sheephaven Bay) (moderate winds from the S at Donegal Airport 34 km from Trá Mór (Sheephaven Bay)). No surfable waves
34 km away, 2 h 0 min ago
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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 12 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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