Downhill surfForecast / Londonderry / Ireland

information circle12 Day Weather and Surf, issued 11 pm Saturday 24 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
8.8° 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 Wednesday (Jan 28) at 3AM. The primary swell is predicted to be 1.5m and 16s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Downhill in the next 12 days are 1.5m 18s and forecast to arrive on Wednesday (Jan 28) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Tuesday (Jan 27) at 6PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Wed 28th Jan)5ft (1.5m) 16s
Best Surf 3AM (Wed 28th Jan)5ft (1.5m) 16s
Most Powerful12AM (Wed 28th Jan)5ft (1.5m) 18s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 27mm), heaviest during Mon afternoon. Mild temperatures (max 7°C on Sat night, min 4°C on Mon night). Mainly gales.

Days 3-6 Weather Summary Heavy rain (total 28mm), heaviest during Thu night. Mild temperatures (max 7°C on Wed afternoon, min 2°C on Tue night). Winds decreasing (near gales from the SE on Wed night, light winds from the E by Thu night).

Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Sat
31
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
3
3
1
0
0
0
0
0
1
2
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1.1
NW
0.8
WNW
0.6
WNW
0.7
WNW
0.5
WNW
0.4
WNW
0.3
WNW
0.9
WNW
1
WNW
1.5
NW
1.5
WNW
1.2
WNW
0.8
WNW
0.6
WNW
0.4
WNW
0.3
WNW
0.3
WNW
0.8
WNW
1
WNW
0.8
WNW
0.8
WNW
Period(s) (?)151413141312121516181716151514131619171514
Wave
Graph
(?)Metric surfscale
Energy kJ (?)54425712018695602836752513511274700283144733251450573294268
Wind
(km/h)
45
E
40
ESE
30
ESE
30
SE
40
SE
45
SE
15
SE
65
E
45
SSE
15
S
25
SE
40
ESE
50
ESE
40
SE
35
E
30
ENE
20
W
20
S
15
SSE
20
ESE
25
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
offoffoffoffcross-
off
offcross-
off
offoffoffoffcross-
off
cross-
off
cross-
on
cross-
off
offcross-
off
cross-
off
High Tide
/ height (m)
9:41PM
1.68
10:10AM
1.93
10:32PM
1.58
11:06AM
1.78
11:43PM
1.50
12:27PM
1.64
1:25AM
1.50
2:11PM
1.61
3:00AM
1.64
3:35PM
1.69
4:08AM
1.86
4:36PM
1.82
5:01AM
2.08
5:24PM
1.92
Low Tide
/ height (m)
3:43AM
0.35
4:36PM
0.48
4:36AM
0.50
5:36PM
0.59
5:50AM
0.64
6:57PM
0.67
7:33AM
0.69
8:32PM
0.65
9:17AM
0.60
9:49PM
0.52
10:31AM
0.42
10:45PM
0.35
11:26AM
0.24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Sat
31
Sunrise-8:30--8:29--8:27--8:26--8:23--8:22--8:21-
Sunset--4:47--4:50--4:52--4:53--4:55--4:58--5:00
light rain
light rain
light rain
cloud
cloud
mod rain
rain showers
light rain
light rain
part cloud
part cloud
cloud
light rain
light rain
light rain
heavy rain
light rain
cloud
light rain
cloud
part cloud
Rain (mm)
431--7624---533152-1--
Temp. °C777755564567775667655
Feels °C (?)-3-200-4-50-8-6-2-3-3-4-3-311220-2
  • 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

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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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