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Surf Forecasts:
Mullaghmore surf forecast from 30 Aug 2026:
- Most powerful swell: Friday 4 Sep, 4AM (local time) - 13ft (4.0m), 13s period, W swell with 4,815 kJ wave energy.
Best Forecast Surf Conditions for Mullaghmore this week:
The most powerful waves expected at Mullaghmore in the next 16 days are 4.0m 13s and forecast to arrive on Friday (Sep 04) at 4AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Tuesday (Sep 01) at 10AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4AM (Fri 4th Sep) | 13ft (4.0m) 13s |
Table - best surf conditions forecast for Mullaghmore over the next 16 days.
The Lowdown
Alright, folks, Rusty here. Let’s have a look at what’s on the cards for the region.
Alright, straight up, I’m not gonna sugar-coat it. This is a grim outlook for the next 16 days. Every single recorded session in the 16-day window has been flagged as “poor surf conditions,” so there are no truly rideable days, no standout sessions. We’re looking at a long, blank run here.
The few scraps of swell on offer are mostly small and weak, and the winds are almost always working against us. The only real stretch of note happens in the second week, but even that's no good. The water temp at Mullaghmore is sitting at 62°, which is a touch warmer than normal for this time of year, but that’s little comfort when there's no surf.
The first real pulse of energy shows up on Thursday the 3rd of September. We’ve got a 7ft swell from the west, with a period of 11 seconds, and the combined energy is reading 1131 (moderate energy). That could be a decent-sized groundswell, but the wind is a strong cross-shore from the southwest at 16 mph, which will chop it to bits. It’s a messy affair. The swell builds into Friday the 4th, hitting 13ft from the west with a 13-second period and a massive 5056 combined energy (very strong energy). That’s a powerful, very long-period groundswell. But the wind is a nightmare—28 mph from the west, strong cross-onshore. This sets up as a washing machine for paddle surfing. For a sheltered reef like Mullaghmore, with that much wind on it, it’s more of a kite-surfing show than a paddle session. This is only for experts, as it's well over 8ft.
That big energy fades quickly. By Saturday the 5th, it’s down to 5ft and the wind is light cross-onshore, but the quality is still poor.
After that, we get a few mornings with clean-looking conditions on the 6th, 9th, 12th, and 13th of September, but the swell is tiny—always under 5ft, often under 2ft—with weak energy readings under 125. These are essentially flat, glassy mornings with no push. A couple of those morning glass-offs on the 12th and 13th of September are tempting, but with a 2ft swell, you’d be waiting for a long time between knee-high sets.
So the honest truth? There’s nothing for it. This is a full 16-day dead spell for the area. Keep the board in the bag, and maybe the forecasts will turn around.
- Rusty
Short Range ForecastModerate rain (total 10mm), heaviest on Sun morning. Very mild (max 17°C on Sun morning, min 13°C on Sun night). Mainly fresh winds. | Days 4-6 Weather SummaryModerate rain (total 16mm), heaviest on Thu night. Very mild (max 18°C on Wed morning, min 13°C on Fri night). Winds increasing (light winds from the S on Wed morning, strong winds from the WSW by Thu night). | ||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | |||||||||||||||
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 10 | W 9 | W 9 | WNW 8 | W 10 | W 9 | W 8 | W 8 | WNW 8 | W 8 | W 8 | W 7 | W 12 | W 12 | W 12 | W 12 | WNW 12 | WNW 11 | WNW 10 | WNW 9 | W 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 33 | 63 | 39 | 250 | 153 | 127 | 149 | 200 | 112 | 61 | 57 | 277 | 1469 | 1973 | 3705 | 2569 | 1487 | 883 | 461 | 208 | 86 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | on | cross-on | cross-on | cross-off | cross | cross | off | cross-off | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off |
High Tide | 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 | 11:18AM2.76m | 11:53PM2.61m | 12:40PM2.65m | 1:30AM2.47m | ||||||||
Low Tide | 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 | 4:47AM0.81m | 5:22PM0.97m | 5:58AM1.05m | 7:02PM1.11m | ||||||||
 |  |  |  | | |  | |  | | | | | |  | | | |  | | | |
 | 6:35 | — | — | 6:37 | — | — | 6:39 | — | — | 6:41 | — | — | 6:43 | — | — | 6:45 | — | — | 6:47 | — | — |
 | — | 8:30 | — | — | 8:29 | — | — | 8:25 | — | — | 8:23 | — | — | 8:21 | — | — | 8:19 | — | — | 8:15 | — |
mm | 3 | 3 | — | — | — | — | — | — | 4 | 1 | 1 | — | — | 3 | 5 | 2 | 2 | 2 | — | — | — |
Temp °C | 17 | 17 | 15 | 15 | 15 | 14 | 17 | 17 | 15 | 18 | 18 | 16 | 17 | 17 | 15 | 15 | 14 | 14 | 15 | 15 | 14 |
Feels °C | 16 | 17 | 14 | 10 | 11 | 10 | 13 | 14 | 14 | 16 | 14 | 11 | 11 | 10 | 9 | 7 | 8 | 7 | 11 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 9 | W 9 | — | NW 7 | W 9 | W 8 | W 8 | WNW 8 | W 8 | W 8 | NW 11 | NW 11 | — | — | — | — | — | — | WNW 9 | W 8 |
| kJ | 33 | 63 | 39 | — | 52 | 127 | 149 | 200 | 112 | 61 | 57 | 5 | 4 | — | — | — | — | — | — | 208 | 86 |
Swell 2 Height (m) Direction Period (s) | W 8 | NW 6 | W 11 | — | — | NW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 8 |
| kJ | 5 | 1 | 10 | — | — | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 |
Swell 3 Height (m) Direction Period (s) | NW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | NW 3 | WNW 8 | W 10 | — | SSW 4 | — | SSE 2 | SSW 3 | SSW 3 | W 7 | W 12 | W 12 | W 12 | W 12 | WNW 12 | WNW 11 | WNW 10 | — | — |
| kJ | — | — | 5 | 250 | 153 | — | 9 | — | 1 | 4 | 4 | 277 | 1469 | 1973 | 3705 | 2569 | 1487 | 883 | 461 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 9 | 9 | 242 | 529 | 55 | 12 | 55 | 55 | 3 | 9 | 195 | 292 | 142 | 142 | 142 | 292 | 292 | 266 | 266 | 284 | 9 |
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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