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Surf Forecasts:
Mullaghmore surf forecast from 11 Sep 2026:
- Best quality surf: Saturday 12 Sep, 10PM (local time) - 5ft (1.6m), 12s period, WNW swell with glassy winds.
- Most powerful swell: Thursday 17 Sep, 1PM (local time) - 8ft (2.4m), 14s period, WNW swell with 2,221 kJ wave energy.
- Next surfable swell (1★+): Saturday 12 Sep, 10PM (local time) - 5ft (1.6m), 12s period with WNW swell.
Best Forecast Surf Conditions for Mullaghmore this week:
The surf forecast for Mullaghmore over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Sep 12) at 10PM. The primary swell is predicted to be 1.6m and 12s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Mullaghmore in the next 16 days are 2.4m 14s and forecast to arrive on Thursday (Sep 17) at 1PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Saturday (Sep 12) at 4AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Sat 12th Sep) | 5ft (1.6m) 12s |
| Best Surf | 10PM (Sat 12th Sep) | 5ft (1.6m) 12s |
| Most Powerful | 1PM (Thu 17th Sep) | 8ft (2.4m) 14s |
Table - best surf conditions forecast for Mullaghmore over the next 16 days.
The Lowdown
Right, folks, Rusty here. Let’s have a look at what the next couple of weeks have in store for us. It’s a bit of a mixed bag, but there is some serious potential on the horizon if you’re patient.
We’re starting off with a long, flat spell. Nothing’s really on the cards for the first few days, so don’t expect to be waxing up for a while. The good news is, the long-range charts are showing something that has my pulse quickening.
For the first week, it's mostly about waiting. That big, beautiful reef at Mullaghmore is going to be a no-go for paddle surfing. We’ve got a lot of cross-shore and onshore wind, and the swell is just messy. There’s a brief moment on the morning of Sunday the 13th with a slight offshore wind from the SE, but the swell is only 3ft from the WNW and the energy is weak (267). It’s clean, but it’s not worth the drive.
The real story happens at the end of the second week. Keep your eyes on the 26th of September. Saturday morning is looking absolutely mental. The ENE wind will be glassy, dead calm, and we’ll have a very long-period groundswell from the west at 13ft. The energy reading is a monstrous 6184. That’s proper, heavy, world-class reef-break power. This is for experienced surfers only—the kind of day where you need to know what you’re doing. The swell direction is a touch off the optimum (NW), but at that size and with those winds, it’ll be pumping.
There’s one other flicker that’s worth mentioning. On the morning of Friday the 25th, it goes glassy again with a solid 8ft west swell, period around 11 seconds. Energy is 1540. That’s a solid, clean day for the more confident intermediate. Winds will be from the NW on the afternoon, so the morning window is the one to hit.
To be honest, the rest of the period is either too small, too windy, or just plain ugly. There’s plenty of swell in the water around the 19th and 20th, but it’s hammered by strong winds, making it a write-off for surfing. That much power in a strong cross-onshore is more of a kiter’s or windsurfer’s playground than ours.
So, be patient. The wait is long, but that last weekend in September is looking like a serious standout. Mark the calendar.
Rusty.
Short Range ForecastHeavy rain (total 26mm), heaviest during Fri night. Very mild (max 19°C on Sun afternoon, min 13°C on Thu night). Winds decreasing (fresh winds from the S on Fri night, calm by Sat night). | Days 4-6 Weather SummaryHeavy rain (total 36mm), heaviest during Mon night. Warm (max 20°C on Mon afternoon, min 12°C on Wed morning). Winds increasing (light winds from the S on Sun night, fresh winds from the NW by Tue night). | ||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | |||||||||||||||
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 9 | WNW 13 | W 12 | W 12 | WNW 12 | WNW 11 | WNW 10 | WNW 9 | W 8 | W 8 | W 9 | W 10 | W 10 | WNW 12 | WNW 11 | WNW 10 | W 9 | WNW 13 | WNW 13 | WNW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 205 | 269 | 823 | 1040 | 879 | 392 | 218 | 169 | 84 | 74 | 84 | 173 | 244 | 332 | 757 | 672 | 386 | 342 | 1497 | 2005 | 1240 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-off | cross | cross-on | glassy | off | cross-off | cross-off | cross-off | cross | cross-off | cross-on | on | on | on | cross-on | cross | cross | cross-on | cross-on |
High Tide | 6:36AM3.37m | 6:48PM3.94m | 7:12AM3.45m | 7:25PM3.90m | 7:47AM3.46m | 8:00PM3.74m | 8:20AM3.39m | 8:34PM3.49m | 8:53AM3.26m | 9:08PM3.19m | 9:26AM3.07m | 9:44PM2.87m | 10:03AM2.85m | 10:23PM2.55m | |||||||
Low Tide | 12:26PM0.09m | 1:01AM-0.11m | 1:03PM0.03m | 1:34AM-0.07m | 1:39PM0.07m | 2:06AM0.07m | 2:15PM0.19m | 2:37AM0.27m | 2:50PM0.39m | 3:07AM0.52m | 3:27PM0.65m | 3:40AM0.79m | 4:07PM0.93m | ||||||||
 | |  | |  |  |  | | |  | |  | | | | | |  |  | |  | |
 | 6:58 | — | — | 6:58 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — |
 | — | 8:00 | — | — | 7:59 | — | — | 7:55 | — | — | 7:53 | — | — | 7:51 | — | — | 7:49 | — | — | 7:45 | — |
mm | — | — | 24 | — | 1 | — | — | — | — | 4 | 2 | 24 | 2 | 2 | 2 | — | — | 5 | 6 | 1 | — |
Temp °C | 15 | 16 | 17 | 18 | 16 | 15 | 17 | 19 | 17 | 19 | 20 | 17 | 14 | 14 | 14 | 12 | 14 | 14 | 14 | 13 | 13 |
Feels °C | 11 | 13 | 14 | 15 | 13 | 15 | 17 | 18 | 16 | 18 | 19 | 16 | 9 | 8 | 7 | 5 | 9 | 8 | 8 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 9 | WNW 13 | W 12 | W 12 | WNW 12 | WNW 11 | WNW 10 | WNW 9 | W 8 | W 8 | W 9 | NW 12 | NW 11 | — | WNW 11 | WNW 10 | — | — | WNW 13 | WNW 12 |
| kJ | 205 | 269 | 823 | 1040 | 879 | 392 | 218 | 169 | 84 | 74 | 84 | 173 | 5 | 5 | — | 672 | 386 | — | — | 2005 | 1240 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | W 10 | W 10 | — | NW 13 | NW 9 | W 11 | NW 12 | — | — | — | N 10 | — | — | — | — | — |
| kJ | — | — | — | — | — | 92 | 49 | — | 7 | 19 | 39 | 6 | — | — | — | 2 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NW 13 | NW 13 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 7 | 7 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | S 4 | — | — | — | — | — | S 3 | SSW 3 | SSW 3 | SW 4 | W 10 | W 10 | WNW 12 | — | — | W 9 | WNW 13 | — | — |
| kJ | — | — | 9 | — | — | — | — | — | 2 | 2 | 3 | 10 | 244 | 332 | 757 | — | — | 342 | 1497 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 29 | 3 | 266 | 55 | 125 | 0 | 3 | 3 | 9 | 8 | 55 | 55 | 492 | 540 | 568 | 981 | 727 | 142 | 142 | 107 | 39 |
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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