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Surf Forecasts:

Downhill surfForecast / Londonderry / Ireland

information circle12 Day Weather and Surf, issued 5 am Monday 12 Jan 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Downhill surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Downhill sea temperature is
9.2° C
 (Which is normal for this time of year)

Best Forecast Surf Conditions for Downhill this week:

The surf forecast for Downhill over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jan 13) at 12AM. The primary swell is predicted to be 1.9m and 11s period with a secondary swell of 0.2m and 12s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Downhill in the next 12 days are 1.8m 18s and forecast to arrive on Thursday (Jan 15) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Monday (Jan 19) at 12PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+)12AM (Tue 13th Jan)6ft (1.9m) 11s
Best Surf 3PM (Thu 15th Jan)6ft (1.8m) 17s
Most Powerful12PM (Thu 15th Jan)6ft (1.8m) 18s

Table - best surf conditions forecast for Downhill over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Moderate rain (total 15mm), heaviest on Mon night. Mild temperatures (max 9°C on Mon morning, min 4°C on Tue night). Winds decreasing (fresh winds from the SSW on Mon morning, light winds from the NW by Mon night).

Days 3-6 Weather Summary Light rain (total 9mm), mostly falling on Fri afternoon. Mild temperatures (max 7°C on Sat afternoon, min 3°C on Thu night). Mainly fresh winds.

Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
3
0
0
0
1
0
0
3
4
4
3
3
1
0
1
1
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
WNW
1
NW
1.9
NNW
1.7
NNW
1.7
NW
1.9
NW
1.5
NW
1.1
NW
0.5
NW
1.6
NW
1.8
NW
1.6
NW
1.4
NW
1.3
WNW
1.2
WNW
0.8
WNW
0.7
WNW
0.6
WNW
0.4
WNW
0.3
WNW
0.4
WNW
Period(s) (?)11911111111111010191717161515131211101013
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1831528607366527624962294817091882147199373057621912779391966
Wind
(km/h)
30
SSW
25
SSW
5
NW
25
W
30
WNW
20
WSW
25
S
30
S
15
S
20
SSW
15
SSW
15
SSE
15
ESE
10
SSE
20
E
15
E
10
E
20
SE
30
SSE
35
SSE
35
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		glasscross-
on		cross-
on		cross-
on		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffcross-
off		cross-
off		cross-
off		offcross-
off		offcross-
off
High Tide
/ height (m)
1:22PM
1.47
2:18AM
1.40
2:46PM
1.47
3:28AM
1.52
3:48PM
1.53
4:18AM
1.66
4:33PM
1.63
4:58AM
1.80
5:10PM
1.72
5:33AM
1.93
5:43PM
1.81
6:06AM
2.04
6:14PM
1.87
Low Tide
/ height (m)
7:45PM
0.78
8:16AM
0.82
8:58PM
0.75
9:37AM
0.76
9:58PM
0.67
10:33AM
0.66
10:44PM
0.56
11:16AM
0.55
11:22PM
0.44
11:53AM
0.45
11:56PM
0.31
12:27PM
0.37
12:27AM
0.21
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Sunrise8:47--8:45--8:45--8:44--8:42--8:41--8:41--
Sunset-4:23--4:24--4:27--4:29--4:30--4:31--4:34-
cloud
light rain
mod rain
part cloud
part cloud
part cloud
cloud
light rain
rain showers
part cloud
clear
part cloud
rain showers
light rain
rain showers
cloud
cloud
part cloud
cloud
cloud
light rain
Rain (mm)
-18----51---153-----4
Temp. °C997765557663666676787
Feels °C (?)233-1-2-2-2-2112-1131232-20-1
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Latest Updates

The World’s Most Inconsistent Waves
Ben Mondy

The World’s Most Inconsistent Waves

Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

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Discover more articles and updates in the Greenroom.

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Quick surf report for Downhill:

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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Downhill 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.

View detailed surf forecast for Downhill at:
surf-forecast.com

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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 12 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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