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Surf Forecasts:
Mullaghmore surf forecast from 28 Aug 2026:
- Most powerful swell: Friday 4 Sep, 7PM (local time) - 7ft (2.1m), 11s period, W swell with 1,007 kJ wave energy.
Best Forecast Surf Conditions for Mullaghmore this week:
The most powerful waves expected at Mullaghmore in the next 16 days are 2.1m 11s and forecast to arrive on Friday (Sep 04) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Wednesday (Sep 02) at 10AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7PM (Fri 4th Sep) | 7ft (2.1m) 11s |
Table - best surf conditions forecast for Mullaghmore over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s be straight with you – the next couple of weeks at Mullaghmore are a tough watch. There are gaps where you’d be better off staying home, and the one day that looks like it could fire has some serious caveats.
We start off with a real flat spell. The first few days are basically a write-off. Friday the 28th has tiny 1ft swell, glassy in the morning but with onshore wind kicking in later. Saturday the 29th is even smaller – less than 1ft – and Sunday the 30th isn’t much better, even with a brief glassy window. You’re looking at a stretch of poor surf conditions right through to the end of August.
Monday the 31st sees a jump in size to 5ft, but it’s cross-onshore and choppy, with combined energy climbing to 226 (moderate). Not worth paddling out. Tuesday and Wednesday stay messy, with cross-onshore winds and lumpy conditions, even though there are occasional clean moments. The swell is small to moderate, but the wind just won’t play ball.
Now, Thursday the 3rd of September is the one that gets your attention. Early morning we’ve got a 6ft swell from the west with a 11-second period – that’s proper groundswell energy. The combined energy hits 819 (strong). Winds are light and cross-offshore, which should give clean, lined-up waves. But here’s the kicker: this is a reef break that’s sheltered and needs that NW optimum direction – the swell is coming from the west, which isn’t perfect. Still, it’s the best on offer. The wave comment says “expect good surf conditions,” so this is your window. But by the afternoon, the wind swings cross-on and it gets lumpy, with 10ft swell – that’s expert territory only. If you’re advanced, be on it first thing.
Friday the 4th is big and messy – 8ft to 8ft, cross-onshore, fresh breeze, lumpy. Not for the faint-hearted. Saturday the 5th through to the 12th is a mix of moderate to fresh cross-onshore winds, with swell heights between 3ft and 6ft. The energy stays moderate, but the wind never cleans up properly. There are a few glassy moments on Wednesday the 9th, but the swell is tiny – under 3ft. That’s a skunk session.
Honestly, the standout is that Thursday morning, September 3rd. Get it while it’s clean. After that, it’s a long stretch of choppy, wind-affected waves. Not much else to get excited about.
Rusty.
Short Range ForecastLight rain (total 8mm), mostly falling on Sun afternoon. Very mild (max 18°C on Fri morning, min 13°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 17mm), heaviest on Tue night. Very mild (max 17°C on Wed afternoon, min 13°C on Mon night). Winds increasing (calm on Tue night, fresh winds from the W by Wed night). | ||||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | |||||||||||||||
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) | WNW 8 | WNW 7 | NNW 7 | W 7 | NNW 7 | NNW 7 | W 10 | W 9 | W 9 | WNW 6 | W 10 | W 8 | WNW 9 | WNW 8 | WNW 8 | W 8 | WSW 7 | W 4 | WSW 7 | W 7 | W 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 11 | 11 | 5 | 4 | 5 | 4 | 33 | 63 | 39 | 57 | 228 | 223 | 328 | 216 | 85 | 29 | 71 | 38 | 82 | 254 | 262 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross | cross-on | cross-off | cross-off | cross-off | on | on | cross-on | cross | cross-on | glassy | off | off | cross | cross-on | off | cross | cross-on |
High Tide | 6:58PM3.64m | 7:16AM3.23m | 7:29PM3.71m | 7:48AM3.29m | 8:00PM3.70m | 8:21AM3.29m | 8:33PM3.60m | 8:55AM3.23m | 9:10PM3.42m | 9:34AM3.12m | 9:51PM3.18m | 10:19AM2.95m | 10:42PM2.89m | ||||||||
Low Tide | 12:37PM0.29m | 1:09AM0.18m | 1:08PM0.20m | 1:39AM0.11m | 1:40PM0.18m | 2:10AM0.10m | 2:13PM0.22m | 2:42AM0.18m | 2:49PM0.33m | 3:17AM0.33m | 3:29PM0.50m | 3:57AM0.55m | 4:17PM0.73m | ||||||||
 | |  |  |  | |  |  |  | | | | | |  | | | | | |  | |
 | 6:31 | — | — | 6:33 | — | — | 6:35 | — | — | 6:37 | — | — | 6:39 | — | — | 6:41 | — | — | 6:43 | — | — |
 | — | 8:36 | — | — | 8:32 | — | — | 8:30 | — | — | 8:29 | — | — | 8:25 | — | — | 8:23 | — | — | 8:21 | — |
mm | — | — | — | — | — | — | 1 | 5 | 2 | 1 | — | 5 | — | 1 | 4 | 5 | — | 1 | 4 | 4 | — |
Temp °C | 18 | 17 | 14 | 16 | 16 | 15 | 16 | 16 | 15 | 15 | 16 | 15 | 15 | 15 | 14 | 15 | 17 | 16 | 18 | 18 | 15 |
Feels °C | 16 | 15 | 13 | 16 | 14 | 14 | 15 | 16 | 13 | 10 | 11 | 10 | 13 | 15 | 14 | 13 | 14 | 12 | 15 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | WNW 7 | NNW 7 | NNW 6 | NNW 7 | NNW 7 | W 10 | W 9 | W 9 | W 10 | — | — | WNW 9 | WNW 8 | WNW 8 | W 8 | NNW 8 | NW 12 | NNW 12 | NW 11 | W 10 |
| kJ | 11 | 11 | 4 | 4 | 5 | 4 | 33 | 63 | 39 | 32 | — | — | 328 | 216 | 85 | 29 | 7 | 6 | 13 | 5 | 262 |
Swell 2 Height (m) Direction Period (s) | NW 5 | — | WNW 7 | W 7 | W 7 | W 9 | W 7 | — | W 11 | — | — | — | — | — | NW 10 | NW 9 | — | NW 8 | — | — | — |
| kJ | 1 | — | 5 | 4 | 1 | 2 | 4 | — | 10 | — | — | — | — | — | 53 | 21 | — | 2 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | W 10 | W 6 | NW 6 | — | NW 6 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 2 | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NW 2 | — | — | — | — | — | N 6 | — | WNW 6 | W 10 | W 8 | — | — | — | SSE 3 | WSW 7 | W 4 | WSW 7 | W 7 | — |
| kJ | — | 1 | — | — | — | — | — | 3 | — | 57 | 228 | 223 | — | — | — | 5 | 71 | 38 | 82 | 254 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 314 | 404 | 125 | 77 | 268 | 182 | 9 | 9 | 55 | 500 | 266 | 23 | 29 | 727 | 3 | 3 | 29 | 284 | 0 | 736 | 266 |
Best forecast wave conditions in Sligo | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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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 Mullaghmore 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 Mullaghmore Surf forecast
The above surf forecast table for Mullaghmore provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mullaghmore can be found by selecting the local surf guide option on the grey menu. Our Mullaghmore 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 (Mullaghmore) 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 Mullaghmore 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.
Mullaghmore is 20 km (12 miles) from Killybegs. If you plan a holiday in Sligo, 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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