Downhill surfForecast / Londonderry / Ireland

information circle48hr Weather and Surf, issued 11 pm Thursday 11 Dec 2025 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
10.9° C
(Which is slightly warmer than usual)


How big are the waves at Downhill today?

The current surf forecast for Downhill at 3AM is: 1.7m 16s primary swell from a Northwest direction and 0.1m 9s secondary swell from a North direction (forecast issued at 11:00pm December 11). The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (12 Dec)7.5ft (2.3m)18s
Afternoon (12 Dec)7ft (2.2m)18s
Evening (12 Dec)6ft (1.9m)17s

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

Updates in  hr  min  s Forecast update imminent
Friday
12
Saturday
13
Sunday
14
9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM
Rating
(10 max)
4
4
3
3
3
3
3
2
3
3
2
2
1
1
0
0
0
1
1
0
0
1
2
2
Swell
Height Map
Wave Height (m) & direction (?)
1.6
NW
1.7
NW
1.7
NW
2
NW
2.3
NW
2.4
NW
2.2
NW
2.1
NW
1.9
NW
2.1
NW
2.3
NW
2.3
NW
2.1
NW
2
NW
1.9
NW
1.9
NW
1.8
NW
1.7
WNW
1.4
NW
1.3
WNW
1.4
WNW
1.3
WNW
1.3
WNW
1.3
WNW
Period(s) (?)171716171818181817171716161514141414131313131414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)15241599152321613194353930282600221226262966275621851669148013301179990721572610590663653
Wind
(km/h)
15
S
15
S
15
S
20
S
20
S
25
S
25
SSW
25
SSW
20
SSW
25
SSW
25
SSW
30
SSW
35
S
45
SSW
45
SSW
50
SSW
45
SSW
35
SSW
30
S
35
SSW
30
SSW
20
SSW
10
S
5
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
11:33PM
1.34
12:20PM
1.75
12:58AM
1.33
1:32PM
1.69
2:13AM
1.40
2:34PM
1.67
Low Tide
/ height (m)
5:30AM
0.57
6:58PM
0.65
6:42AM
0.64
8:02PM
0.63
7:56AM
0.66
Friday
12
Saturday
13
Sunday
14
Sunrise----8:42-------8:44-------8:45---
Sunset------3:56-------3:56-------3:56-
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
light rain
cloud
cloud
light rain
light rain
light rain
light rain
light rain
Rain (mm)
----------------1--11223
Temp. °C8665568876778911121212121313131210
Feels °C (?)4110-10222010-1012367689109
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Latest Updates

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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