Downhill surfForecast / Londonderry / Ireland

information circle48hr Weather and Surf, issued 6 am Tuesday 28 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
9.9° C
(Which is slightly warmer than usual)

How big are the waves at Downhill today?

The current surf forecast for Downhill at 1PM is: 0.2m 14s primary swell from a West-northwest direction and 0.2m 4s secondary swell from a North direction (forecast issued at 06:00am April 28). The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (28 Apr)0.5ft (0.1m)15s
Afternoon (28 Apr)0.5ft (0.2m)14s
Evening (28 Apr)1.5ft (0.4m)13s

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 14°C on Tue afternoon, min 7°C on Wed night). Winds increasing (light winds from the ESE on Tue night, fresh winds from the ESE by Thu morning).

Tuesday
28
Wednesday
29
Thursday
30
Fri
1
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
1 AM
Rating
(10 max)
0
0
0
0
0
0
1
1
1
1
1
1
1
3
3
3
3
2
0
1
2
2
2
2
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>
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<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)
0.2
NNW
4
0.1
NW
15
0.2
WNW
15
0.2
WNW
14
0.3
WNW
13
0.4
NW
13
0.4
WNW
13
0.4
WNW
13
0.4
WNW
13
0.4
WNW
13
0.4
NW
18
0.7
NW
17
1
NW
16
1.3
NW
16
1.3
NW
16
1.3
NW
15
1.3
NW
15
1.3
NW
14
1.2
NW
14
1.2
NW
14
1.1
NW
14
1.1
NW
13
1.1
NW
13
1.1
NW
13
Wave Graph
Metric surfscale
Energy kJ
1
9
21
20
35
44
65
65
66
63
119
309
521
803
783
733
695
676
581
565
457
386
380
369
Wind (km/h)
10
NNW
5
SSE
10
ESE
15
E
15
ENE
10
E
5
ESE
10
SSE
10
SSE
10
SE
10
ESE
20
ESE
20
ESE
15
ESE
10
ESE
15
SE
15
ESE
15
ESE
25
ESE
30
ESE
25
SE
20
SE
10
ESE
15
SE
on
glassy
off
cross-off
cross-off
cross-off
off
off
cross-off
off
off
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
off
off
off
off
off
High Tide
5:08AM2.05m
5:30PM1.76m
5:44AM2.09m
6:04PM1.88m
6:17AM2.11m
6:34PM1.97m
Low Tide
11:33AM0.28m
11:28PM0.28m
12:04PM0.21m
00:05AM0.22m
12:32PM0.18m
00:39AM0.19m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:52
5:50
5:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:55
8:58
9:00
9:01
Temp °C
10
10
11
13
14
14
12
11
9
8
9
12
13
13
12
9
8
7
9
11
14
14
13
12
8
9
9
10
10
12
10
9
6
5
6
7
8
9
9
5
3
2
3
4
9
10
10
9
Swell 1
Height (m)
Direction
Period (s)
0.2
NNE
3
0.3
NNW
4
0.2
NNW
4
0.2
WNW
14
0.3
WNW
13
0.4
NW
13
0.4
WNW
13
0.4
WNW
13
0.4
WNW
13
0.4
WNW
13
0.4
NW
18
0.7
NW
17
1
NW
16
1.3
NW
16
1.3
NW
16
1.3
NW
15
1.3
NW
15
1.3
NW
14
1.2
NW
14
1.2
NW
14
1.1
NW
14
1.1
NW
13
1.1
NW
13
1.1
NW
13
Energy kJ
1
2
1
20
35
44
65
65
66
63
119
309
521
803
783
733
695
676
581
565
457
386
380
369
Swell 2
Height (m)
Direction
Period (s)
0.2
NNW
4
0.1
NW
15
0.2
WNW
15
0.2
N
4
0.2
NNW
4
0.1
NW
4
0.2
N
5
0.1
N
9
0.1
N
9
0.1
NW
20
0.4
WNW
12
0.4
WNW
12
0.3
WNW
12
Energy kJ
1
9
21
1
1
1
2
2
2
16
50
48
27
Swell 3
Height (m)
Direction
Period (s)
0.1
NW
5
0.1
N
10
0.1
N
10
0.1
N
10
0.1
N
10
0.1
N
10
Energy kJ
1
2
2
2
2
2
Wind waves
Height (m)
Direction
Period (s)
0.5
NW
12
0.4
E
3
0.4
ESE
3
0.4
E
3
0.4
E
3
0.6
E
4
0.8
ESE
4
0.9
ESE
4
0.7
ESE
4
0.4
ESE
4
0.4
SE
3
Energy kJ
72
3
3
4
4
9
21
25
15
5
2
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
4
3
3
3
3
3
4
4
2
2
2
2
2
Distance (km)
93
37
37
37
20
20
0
0
0
0
0
37
28
0
0
0
0
37
64
74
0
0
0
0
Best forecast wave conditions in Londonderry
Rating
(10 max)
1
1
1
1
1
3
3
3
3
2
2
2
2
Best forecast wave conditions in Ireland
Rating
(10 max)
1
1
2
2
2
2
3
3
3
3
1
4
4
4
3
3
4
4
4
4
4
4
3
3
Header Global
Rating
(10 max)
5
5
5
4
5
8
8
9
9
8
7
7
7
7
6
6
5
5
5
5
6
6
6
6
  • 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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