Downhill surfForecast / Londonderry / Ireland

information circle48hr Weather and Surf, issued 12 pm Tuesday 12 May 2026 BST
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
10.5° C
(Which is normal for this time of year)

How big are the waves at Downhill today?

The current surf forecast for Downhill at 5PM is: 2.1m 10s primary swell from a Northwest direction (forecast issued at 12:00pm May 12). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (12 May)6ft (1.8m)8s
Afternoon (12 May)6.5ft (2.0m)9s
Evening (12 May)8ft (2.5m)10s

Table - waves today at Downhill. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 8mm), mostly falling on Tue night. Very mild (max 10°C on Tue morning, min 8°C on Tue night). Mainly strong winds.

Tue
12
Wednesday
13
Thursday
14
Fri
15
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.8
NW
8
2
NW
9
2.1
NW
10
2.1
NW
10
2.5
NW
10
3
NW
11
3
NW
11
3.5
NW
12
3.5
NW
13
3
NW
12
3
NW
12
3
NW
12
3
NW
11
2.5
NNW
11
2.4
NNW
11
2.3
NNW
10
2.4
NNW
10
2.1
NNW
9
2.1
NNW
9
2.2
NNW
8
1.9
NNW
8
1.9
NNW
8
1.8
NNW
7
1.6
NNW
7
Wave Graph
Metric surfscale
Energy kJ
446
609
796
859
1259
1980
2501
3192
3447
2815
2271
2196
2010
1658
1289
1042
1058
766
671
612
445
397
328
254
Wind (km/h)
35
WNW
35
WNW
35
WNW
35
W
40
W
40
WNW
40
NW
35
NW
40
NNW
40
NW
40
NNW
40
NNW
40
NNW
35
NNW
35
NNW
30
NNW
35
N
35
NNW
30
NNW
35
N
35
NNW
30
N
30
N
25
N
on
on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
3:53PM1.52m
4:09AM1.90m
4:39PM1.69m
4:53AM2.06m
5:22PM1.87m
5:36AM2.19m
Low Tide
9:54AM0.52m
9:44PM0.52m
10:37AM0.35m
10:33PM0.38m
11:17AM0.20m
11:19PM0.25m
cloud
clear
clear
clear
light rain
light rain
light rain
rain showers
rain showers
rain showers
rain showers
clear
cloud
cloud
cloud
light rain
cloud
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:24
5:22
5:20
5:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:22
9:24
9:25
9:28
1
1
1
1
1
1
1
1
Temp °C
10
10
10
10
8
8
8
8
9
9
9
9
9
8
8
8
9
9
9
9
8
8
8
8
2
2
1
2
-1
-1
-2
-1
0
0
0
0
1
0
0
0
1
1
2
1
0
0
1
1
Swell 1
Height (m)
Direction
Period (s)
2.1
NW
10
Energy kJ
859
Swell 2
Height (m)
Direction
Period (s)
Energy kJ
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
1.8
NW
8
2
NW
9
2.1
NW
10
2.5
NW
10
3
NW
11
3
NW
11
3.5
NW
12
3.5
NW
13
3
NW
12
3
NW
12
3
NW
12
3
NW
11
2.5
NNW
11
2.4
NNW
11
2.3
NNW
10
2.4
NNW
10
2.1
NNW
9
2.1
NNW
9
2.2
NNW
8
1.9
NNW
8
1.9
NNW
8
1.8
NNW
7
1.6
NNW
7
Energy kJ
446
609
796
1259
1980
2501
3192
3447
2815
2271
2196
2010
1658
1289
1042
1058
766
671
612
445
397
328
254
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
4
1
2
2
2
2
2
1
3
1
1
1
1
1
1
1
1
Distance (km)
401
503
613
345
342
344
402
383
434
888
882
882
445
863
589
383
615
615
410
345
338
430
349
298
Best forecast wave conditions in Londonderry
Rating
(10 max)
Best forecast wave conditions in Ireland
Rating
(10 max)
1
1
1
Header Global
Rating
(10 max)
9
8
9
9
9
9
9
8
8
8
7
9
9
9
9
5
5
5
5
5
5
5
5
5
  • 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

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.


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