Surf Forecasts:
Mullaghderg Beach surf forecast from 25 Sep 2026:
- Best quality surf: Thursday 1 Oct, 7PM (local time) - 7ft (2.2m), 12s period, WNW swell with offshore winds.
- Most powerful swell: Friday 25 Sep, 7AM (local time) - 15ft (4.5m), 16s period, WNW swell with 10,812 kJ wave energy.
- Next surfable swell (1★+): Monday 28 Sep, 7PM (local time) - 5.5ft (1.7m), 11s period with WNW swell.
Best Forecast Surf Conditions for Mullaghderg Beach this week:
The surf forecast for Mullaghderg Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 28) at 7PM. The primary swell is predicted to be 1.7m and 11s period with a secondary swell of 0.3m and 12s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Mullaghderg Beach in the next 16 days are 4.5m 16s and forecast to arrive on Friday (Sep 25) at 7AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Wednesday (Sep 30) at 1AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Mon 28th Sep) | 5.5ft (1.7m) 11s |
| Best Surf | 7PM (Thu 1st Oct) | 7ft (2.2m) 12s |
| Most Powerful | 7AM (Fri 25th Sep) | 15ft (4.5m) 16s |
Table - best surf conditions forecast for Mullaghderg Beach over the next 16 days.
Short Range ForecastModerate rain (total 14mm), heaviest on Sun morning. Very mild (max 16°C on Sat afternoon, min 11°C on Sun morning). Mainly near gales. | Days 4-6 Weather SummaryModerate rain (total 11mm), heaviest on Tue night. Very mild (max 18°C on Tue afternoon, min 10°C on Sun night). Winds increasing (light winds from the SE on Mon afternoon, strong winds from the SE by Tue night). | ||||||||||||||||||||
Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 1 | |||||||||||||||
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 15 | WNW 14 | W 12 | W 10 | W 11 | W 11 | W 11 | W 11 | W 12 | W 11 | W 11 | WNW 11 | W 10 | WSW 10 | WSW 10 | W 9 | WSW 9 | WNW 14 | WNW 12 | WNW 12 | WNW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 9223 | 5182 | 3588 | 973 | 1492 | 1289 | 1344 | 1604 | 1889 | 1124 | 762 | 582 | 290 | 170 | 104 | 83 | 267 | 331 | 1981 | 1553 | 1390 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | off | off | off | off | cross-off | cross | cross-off | cross-off | cross-off | cross |
High Tide | 5:52AM3.01m | 6:04PM3.42m | 6:23AM3.19m | 6:36PM3.57m | 6:55AM3.34m | 7:08PM3.64m | 7:27AM3.42m | 7:42PM3.63m | 8:02AM3.42m | 8:19PM3.52m | 8:39AM3.35m | 8:58PM3.31m | 9:20AM3.19m | 9:44PM3.03m | |||||||
Low Tide | 11:47AM0.34m | 00:15AM0.17m | 12:19PM0.16m | 00:45AM0.02m | 12:51PM0.05m | 1:16AM-0.04m | 1:25PM0.02m | 1:49AM-0.02m | 2:02PM0.06m | 2:24AM0.11m | 2:41PM0.20m | 3:03AM0.31m | 3:26PM0.42m | 3:47AM0.58m | |||||||
 |  |  |  |  |  |  | | | | |  | | | | | | | | | | |
 | 7:22 | — | — | 7:24 | — | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — | 7:31 | — | — | 7:33 | — | — |
 | — | 7:25 | — | — | 7:22 | — | — | 7:20 | — | — | 7:17 | — | — | 7:15 | — | — | 7:13 | — | — | 7:09 | — |
mm | — | — | 3 | — | 1 | — | 7 | 1 | 2 | — | — | — | — | — | 8 | — | 1 | 2 | — | — | 2 |
Temp °C | 14 | 14 | 13 | 15 | 16 | 14 | 12 | 13 | 12 | 13 | 14 | 12 | 17 | 18 | 18 | 14 | 14 | 12 | 14 | 15 | 12 |
Feels °C | 7 | 7 | 5 | 8 | 9 | 7 | 6 | 6 | 7 | 8 | 9 | 8 | 11 | 10 | 10 | 6 | 9 | 8 | 8 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | — | WNW 14 | — | W 10 | NW 13 | W 11 | W 11 | NW 10 | W 12 | W 11 | W 11 | WNW 11 | W 10 | WSW 10 | WSW 10 | W 9 | W 12 | W 8 | WNW 12 | WNW 12 | WNW 12 |
| kJ | — | 5182 | — | 973 | 63 | 1289 | 1344 | 48 | 1889 | 1124 | 762 | 582 | 290 | 170 | 104 | 83 | 48 | 201 | 1981 | 1553 | 1390 |
Swell 2 Height (m) Direction Period (s) | — | — | — | WNW 11 | — | NW 10 | NW 11 | — | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | WNW 10 | NNW 11 | NNW 11 | NNW 10 | WNW 14 | N 9 | — | — |
| kJ | — | — | — | 753 | — | 124 | 94 | — | 14 | 13 | 28 | 27 | 24 | 40 | 23 | 11 | 11 | 331 | 2 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 11 | WNW 10 | W 15 | — | N 10 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 23 | 9 | 17 | — | 8 | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 15 | — | W 12 | — | W 11 | — | — | W 11 | — | — | — | SE 2 | SE 2 | SSE 3 | SSE 4 | WSW 6 | WSW 9 | — | — | — | — |
| kJ | 9223 | — | 3588 | — | 1492 | — | — | 1604 | — | — | — | 1 | 1 | 5 | 23 | 44 | 267 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 112 | 83 | 328 | 89 | 65 | 103 | 100 | 65 | 27 | 18 | 37 | 0 | 60 | 731 | 359 | 105 | 76 | 18 | 18 | 18 | 17 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 Mullaghderg Beach 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 Mullaghderg Beach Surf forecast
The above surf forecast table for Mullaghderg Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mullaghderg Beach can be found by selecting the local surf guide option on the grey menu. Our Mullaghderg Beach 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 (Mullaghderg Beach) 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 Mullaghderg Beach 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.
Are you planning a holiday in Donegal? If you are looking for accommodation near Mullaghderg Beach, camping, hotels and holiday cottages in Donegal, consider staying in Letterkenny which is 42 km (26 miles) away. Other places in and around Donegal where you can find information about places to rent, and car hire include Killybegs which is 45 km (28 miles) away, Derry, Derry and Londonderry County Borough.
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