Surf Forecasts:
Tullan Strand surf forecast from 17 Aug 2026:
- Most powerful swell: Wednesday 19 Aug, 7AM (local time) - 8ft (2.4m), 10s period, W swell with 1,265 kJ wave energy.
Best Forecast Surf Conditions for Tullan Strand this week:
The most powerful waves expected at Tullan Strand in the next 16 days are 2.4m 10s and forecast to arrive on Wednesday (Aug 19) 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 0.3m 2s period and expected on Monday (Aug 17) at 4PM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7AM (Wed 19th Aug) | 8ft (2.4m) 10s |
Table - best surf conditions forecast for Tullan Strand over the next 16 days.
The Lowdown
Alright folks, Rusty here, checking in on your local stretch.
Gonna be a rough start, I won't sugarcoat it. The first week-and-a-half is a write-off. Monday morning kicks off with weak, short-period swell and light cross-shore wind mucking things up. The wave energy is barely registering (70), and that’s the story for days. There’s a bit of size on Tuesday and Wednesday, but the wind is howling cross-onshore, creating lumpy, choppy conditions. Even when the swell picks up to around 8ft on Wednesday morning, the wind ruins it. The energy spikes into the four-digit range (1313), but the quality just isn’t there for a paddle. Honestly, with the wind blowing that hard over that beach setup, it might be more interesting for the kite crowd than us surfers.
We’ll see a pulse of swell mid-week, starting Thursday the 27th of August, with a big 13ft swell rolling in, but the wind is still cross-onshore. It’s raw and questionable. The energy is massive (4764), but the conditions just aren't clean. This pattern continues, all cross or cross-onshore winds, until we get a break in the weather.
But hold onto your board shorts, because the real standout is Monday the 31st of August. That’s the day. The wind switches offshore from the southeast, and we get a gorgeous, clean 12ft groundswell from the west. The period is a very long 14 seconds, which means those waves will have serious power and shape. The energy is pumping at (4757). This is proper, heavy, expert-level stuff. Tullan Strand is exposed to the west, so it’ll be handling this swell well. The wind will be light and offshore, which is a major positive, keeping the faces glassy. Just be aware that with that kind of long period, the sets will be wide and powerful, so paddle out smart.
Monday afternoon will still be solid, with 10ft surf and a moderate offshore, still clean. After that, Tuesday the 1st of September drops right back off into poor conditions again.
So to sum it up: the first ten days are a total bust for quality surfing. The only real, undeniable winner is Monday the 31st of August. That’s your window. Get out there if you’ve got the chops.
Rusty.
Short Range ForecastHeavy rain (total 20mm), heaviest during Mon morning. Very mild (max 17°C on Mon afternoon, min 13°C on Tue night). Winds increasing (light winds from the SW on Mon morning, fresh winds from the WSW by Tue afternoon). | Days 4-6 Weather SummarySome drizzle, heaviest during Sat night. Very mild (max 16°C on Sat morning, min 11°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||
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) | W 8 | W 8 | W 7 | W 7 | W 9 | W 11 | W 11 | W 11 | WNW 10 | WNW 9 | WNW 9 | NW 8 | WNW 8 | NW 7 | NW 7 | NW 5 | NW 6 | WNW 6 | WNW 6 | WNW 7 | WNW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 68 | 45 | 138 | 243 | 497 | 1096 | 1219 | 734 | 463 | 144 | 82 | 82 | 56 | 56 | 25 | 13 | 33 | 17 | 37 | 53 | 35 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-on | cross-on | cross-on | cross | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | on |
High Tide | 9:47PM3.31m | 10:09AM2.91m | 10:26PM2.97m | 10:50AM2.73m | 11:10PM2.64m | 11:41AM2.54m | 00:08AM2.37m | 12:52PM2.40m | 1:33AM2.22m | 2:28PM2.39m | 3:11AM2.24m | 3:49PM2.55m | |||||||||
Low Tide | 3:21PM0.38m | 3:53AM0.48m | 4:02PM0.64m | 4:30AM0.76m | 4:47PM0.93m | 5:13AM1.04m | 5:46PM1.20m | 6:14AM1.26m | 7:18PM1.37m | 7:50AM1.36m | 9:05PM1.34m | 9:20AM1.26m | 10:15PM1.16m | ||||||||
 |  |  |  |  |  | | |  | | |  | | | |  | | | |  | | |
 | 6:11 | — | — | 6:13 | — | — | 6:15 | — | — | 6:16 | — | — | 6:18 | — | — | 6:20 | — | — | 6:22 | — | — |
 | — | — | 9:00 | — | 8:59 | — | — | 8:55 | — | — | 8:53 | — | — | 8:52 | — | — | 8:50 | — | — | 8:46 | — |
mm | 6 | 3 | — | — | 1 | 6 | 3 | 1 | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — |
Temp °C | 15 | 17 | 16 | 15 | 16 | 14 | 15 | 16 | 14 | 15 | 15 | 12 | 14 | 14 | 13 | 16 | 16 | 13 | 15 | 15 | 14 |
Feels °C | 14 | 15 | 12 | 10 | 10 | 8 | 10 | 12 | 13 | 9 | 9 | 9 | 9 | 8 | 10 | 13 | 12 | 11 | 13 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | — | — | — | — | — | W 11 | WNW 10 | WNW 9 | WNW 9 | — | WNW 8 | W 8 | W 10 | W 10 | W 10 | W 9 | WNW 6 | WNW 7 | WNW 7 |
| kJ | 68 | 45 | — | — | — | — | — | 734 | 463 | 144 | 82 | — | 56 | 6 | 8 | 7 | 7 | 6 | 37 | 53 | 35 |
Swell 2 Height (m) Direction Period (s) | NW 7 | NW 6 | — | — | — | — | — | — | — | — | — | — | — | W 11 | W 8 | W 8 | W 10 | NNW 7 | W 8 | W 10 | — |
| kJ | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | 5 | 2 | 4 | 5 | 2 | — |
Swell 3 Height (m) Direction Period (s) | — | N 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 7 | — | NW 9 | W 9 | — | — |
| kJ | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | 3 | 2 | — | — |
Wind waves Height (m) Direction Period (s) | — | SSW 2 | W 7 | W 7 | W 9 | W 11 | W 11 | — | — | NNW 8 | NNW 4 | NW 8 | N 3 | NW 7 | NW 7 | NW 5 | NW 6 | WNW 6 | — | — | — |
| kJ | — | 1 | 138 | 243 | 497 | 1096 | 1219 | — | — | 76 | 15 | 82 | 3 | 56 | 25 | 13 | 33 | 17 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 40 | 51 | 416 | 310 | 502 | 130 | 114 | 186 | 183 | 271 | 319 | 189 | 319 | 319 | 189 | 189 | 313 | 68 | 286 | 131 | 23 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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Information about the Tullan Strand Surf forecast
The above surf forecast table for Tullan Strand provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Tullan Strand can be found by selecting the local surf guide option on the grey menu. Our Tullan Strand 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 (Tullan Strand) 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 Tullan Strand 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.
Tullan Strand is 19 km (12 miles) from Killybegs. If you plan a holiday in Donegal, look for hotels and other accommodation in Killybegs. Killybegs has rooms for a wide range of budgets as well as car hire and transport links.
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