Downhill surfForecast / Londonderry / Ireland

information circle48hr Weather and Surf, issued 12 am Thursday 23 Apr 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
9.3° C
(Which is normal for this time of year)

How big are the waves at Downhill today?

The current surf forecast for Downhill at 9AM is: 0.1m 9s primary swell from a Northwest direction (forecast issued at 12:00am April 23). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (BST) & DateWave HeightWave Period
Morning (23 Apr)0.5ft (0.1m)9s
Afternoon (23 Apr)0.5ft (0.1m)9s
Evening (23 Apr)0.5ft (0.1m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 16°C on Sat afternoon, min 5°C on Wed night). Wind will be generally light.

Thursday
23
Friday
24
Saturday
25
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
10 AM
1 PM
4 PM
7 PM
10 PM
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
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.1
NW
10
0.1
NW
10
0.1
NW
9
0.1
W
9
0.1
W
9
0.1
W
9
0.1
W
9
0.1
W
10
0.1
W
8
0.1
W
9
0.1
W
9
0.2
ESE
2
0.1
N
7
0.1
N
7
0.1
N
7
0.1
NW
6
0.1
W
14
0.1
N
9
0.1
N
8
0.1
NW
8
0.1
NW
8
0.1
NW
8
0.1
NW
7
Wave Graph
Metric surfscale
Energy kJ
4
4
3
2
2
2
2
2
1
2
2
0
0
1
1
1
2
4
2
1
3
3
2
2
Wind (km/h)
25
ESE
25
SE
20
SE
20
SE
25
SE
20
SE
15
SE
10
SE
10
SE
10
SE
10
SE
15
SE
15
SE
15
SE
10
SE
10
SSE
10
S
10
S
10
S
10
SSE
10
SSE
10
SSE
10
SE
10
SSE
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
High Tide
10:53PM1.88m
11:30AM1.48m
00:19AM1.75m
1:14PM1.34m
2:06AM1.74m
2:59PM1.37m
Low Tide
5:34AM0.55m
5:37PM0.62m
7:12AM0.66m
7:09PM0.68m
8:55AM0.62m
8:42PM0.63m
cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:03
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:45
8:47
8:50
Temp °C
7
6
5
7
10
12
11
11
11
11
10
11
14
15
14
12
11
10
10
11
15
16
16
15
0
0
-1
2
4
7
7
8
8
8
7
8
10
11
11
8
7
6
6
8
12
13
13
12
Swell 1
Height (m)
Direction
Period (s)
0.1
NW
10
0.1
NW
10
0.1
NW
9
0.1
W
9
0.1
W
9
0.1
W
9
0.1
W
9
0.1
W
8
0.1
W
9
0.1
W
9
0.1
N
7
0.1
N
7
0.1
NW
6
0.1
NW
6
0.1
NW
6
0.1
NW
6
0.1
NW
6
0.1
NW
6
0.1
NW
8
0.1
NW
7
Energy kJ
4
4
3
2
2
2
2
1
2
2
1
1
2
2
2
1
1
1
2
2
Swell 2
Height (m)
Direction
Period (s)
0.1
W
10
0.1
W
8
0.1
N
7
0.1
W
14
0.1
N
9
0.1
N
8
0.1
NW
8
0.1
NW
8
0.1
NW
6
0.1
N
6
Energy kJ
2
1
1
4
2
1
3
3
1
1
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.7
E
4
0.7
E
4
0.6
E
4
0.6
E
4
0.6
E
4
0.5
E
4
0.4
ESE
3
0.3
ESE
3
0.2
E
3
0.2
ESE
2
Energy kJ
16
16
10
10
9
6
3
2
1
1
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
396
396
396
794
760
300
262
255
255
255
279
255
145
145
144
144
144
87
87
145
145
145
145
150
Best forecast wave conditions in Londonderry
Rating
(10 max)
Best forecast wave conditions in Ireland
Rating
(10 max)
1
1
1
2
2
1
1
1
2
1
2
1
2
2
2
2
1
1
1
1
Header Global
Rating
(10 max)
9
6
5
5
5
5
5
5
5
5
5
6
9
5
5
4
5
5
7
4
5
4
4
4
  • 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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