Surf Forecasts:
Downhill surf forecast from 12 Nov 2026:
- Best quality surf: Tuesday 24 Nov, 3AM (local time) - 8ft (2.5m), 11s period, WNW swell with offshore winds.
- Most powerful swell: Tuesday 24 Nov, 6AM (local time) - 8ft (2.5m), 12s period, NW swell with 2,130 kJ wave energy.
- Next surfable swell (1★+): Sunday 15 Nov, 6AM (local time) - 2ft (0.6m), 16s period with N swell.
Best Forecast Surf Conditions for Downhill this week:
The surf forecast for Downhill over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Nov 15) at 6AM. The primary swell is predicted to be 0.6m and 16s period with a secondary swell of 0.8m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Downhill in the next 16 days are 2.5m 12s and forecast to arrive on Tuesday (Nov 24) at 6AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 6s period and expected on Tuesday (Nov 17) at 3PM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Sun 15th Nov) | 2ft (0.6m) 16s |
| Best Surf | 3AM (Tue 24th Nov) | 8ft (2.5m) 11s |
| Most Powerful | 6AM (Tue 24th Nov) | 8ft (2.5m) 12s |
Table - best surf conditions forecast for Downhill over the next 16 days.
Short Range ForecastSome drizzle, heaviest during Sat night. Mild temperatures (max 9°C on Thu morning, min 4°C on Fri night). Mainly fresh winds. | Days 4-6 Weather SummaryModerate rain (total 18mm), heaviest on Tue afternoon. Mild temperatures (max 9°C on Sun morning, min 3°C on Mon night). Winds increasing (calm on Sun afternoon, near gales from the N by Sun night). | ||||||||||||||||||||
Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | |||||||||||||||
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) | NNW 8 | NNW 8 | NNW 12 | NNW 9 | NW 5 | NW 7 | NW 8 | NNW 9 | NNW 9 | NNW 15 | NNW 14 | NW 9 | NNW 11 | NNW 9 | NNW 7 | NNW 7 | NNW 7 | N 7 | NNW 9 | NNW 10 | NNW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 346 | 385 | 106 | 106 | 30 | 65 | 91 | 184 | 184 | 395 | 565 | 225 | 954 | 522 | 82 | 17 | 5 | 328 | 308 | 326 | 474 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 7:33PM1.80m | 7:55AM1.95m | 8:05PM1.68m | 8:33AM1.84m | 8:40PM1.55m | 9:18AM1.71m | 9:22PM1.42m | 10:16AM1.60m | 10:21PM1.31m | 11:33AM1.54m | 11:55PM1.26m | 12:56PM1.57m | 1:31AM1.32m | ||||||||
Low Tide | 1:41PM0.40m | 1:42AM0.40m | 2:19PM0.53m | 2:16AM0.49m | 3:03PM0.66m | 2:56AM0.58m | 3:56PM0.78m | 3:46AM0.66m | 5:07PM0.85m | 4:53AM0.72m | 6:30PM0.83m | 6:13AM0.74m | 7:41PM0.74m | ||||||||
 | |  | |  | | | |  | |  | | | |  | |  | | | | | |
 | 7:52 | — | — | 7:54 | — | — | 7:56 | — | — | 7:58 | — | — | 8:00 | — | — | 8:02 | — | — | 8:03 | — | — |
 | — | 4:29 | — | — | 4:27 | — | — | 4:24 | — | — | 4:23 | — | — | 4:22 | — | — | 4:20 | — | — | 4:19 | — |
mm | — | — | — | — | — | — | — | — | 1 | — | 1 | 1 | — | — | — | 2 | 11 | 3 | — | 2 | 3 |
Temp °C | 9 | 8 | 8 | 8 | 8 | 6 | 7 | 9 | 8 | 9 | 9 | 9 | 7 | 6 | 6 | 6 | 4 | 6 | 7 | 7 | 7 |
Feels °C | 1 | -1 | 1 | 3 | 3 | 0 | 1 | 4 | 3 | 7 | 8 | 3 | -3 | -2 | 2 | -4 | -4 | 1 | 0 | 0 | -1 |
Swell 1 Height (m) Direction Period (s) | — | NNW 13 | NNW 6 | NNW 9 | NW 5 | NW 7 | NW 8 | NNW 9 | NNW 9 | NNW 15 | NNW 14 | NW 9 | NNW 11 | NNW 9 | NNW 7 | NNW 7 | NNW 7 | NE 6 | NNW 9 | NNW 10 | NNW 9 |
| kJ | — | 59 | 104 | 106 | 30 | 65 | 91 | 184 | 184 | 395 | 565 | 225 | 954 | 522 | 82 | 17 | 5 | 47 | 308 | 326 | 474 |
Swell 2 Height (m) Direction Period (s) | — | — | NNW 12 | NNW 8 | NNW 8 | W 15 | W 13 | W 13 | N 18 | NNW 9 | ESE 4 | NNW 13 | W 11 | W 10 | NNW 9 | W 9 | W 10 | SE 7 | NW 17 | N 14 | WNW 16 |
| kJ | — | — | 106 | 28 | 14 | 4 | 4 | 3 | 6 | 99 | 2 | 59 | 2 | 2 | 17 | 2 | 2 | 2 | 75 | 140 | 137 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | NW 7 | — | — | — | — | W 12 | W 12 | WNW 11 | — | — | W 10 | — | — | W 12 | WNW 14 | WNW 15 | — |
| kJ | — | — | — | — | 2 | — | — | — | — | 3 | 3 | 12 | — | — | 2 | — | — | 3 | 20 | 191 | — |
Wind waves Height (m) Direction Period (s) | NNW 8 | NNW 8 | — | — | — | SSW 2 | S 2 | S 3 | SSE 3 | — | — | WSW 2 | — | — | — | E 5 | ENE 6 | N 7 | — | — | — |
| kJ | 346 | 385 | — | — | — | 1 | 1 | 3 | 1 | — | — | 1 | — | — | — | 117 | 414 | 328 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 397 | 336 | 111 | 6 | 139 | 4 | 4 | 4 | 4 | 0 | 0 | 111 | 1084 | 148 | 0 | 273 | 152 | 37 | 237 | 111 | 237 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Downhill Surf forecast
The above surf forecast table for Downhill provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Downhill can be found by selecting the local surf guide option on the grey menu. Our Downhill 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 (Downhill) 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 Downhill 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 Londonderry? If you are looking for accommodation near Downhill, camping, hotels and holiday cottages in Londonderry, consider staying in Coleraine which is 11 km (7 miles) away. Other places in and around Londonderry where you can find information about places to rent, and car hire include Derry which is 36 km (22 miles) away, Londonderry County Borough, Ballycastle and Derry.
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