Downhill surfForecast / Londonderry / Ireland

information circle48hr Weather and Surf, issued 5 am Thursday 15 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
9.0° C
(Which is normal for this time of year)


How big are the waves at Downhill today?

The current surf forecast for Downhill at 10AM is: 1.6m 18s primary swell from a Northwest direction and 0.7m 8s secondary swell from a West-northwest direction (forecast issued at 05:00am January 15). The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (15 Jan)4.5ft (1.4m)18s
Afternoon (15 Jan)6ft (1.8m)18s
Evening (15 Jan)6ft (1.8m)17s

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

Updates in  hr  min  s Forecast update imminent
Thursday
15
Friday
16
Saturday
17
Sun
18
3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM
Rating
(10 max)
0
1
3
3
4
3
4
3
4
3
3
3
3
2
2
2
2
2
0
1
0
0
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.3
NW
0.8
NW
1.4
NW
1.8
NW
1.8
NW
1.7
NW
1.8
NW
1.6
NW
1.6
NW
1.5
NW
1.4
NW
1.4
NW
1.3
WNW
1.2
NW
1.2
WNW
1.2
WNW
1
WNW
0.9
WNW
0.8
WNW
0.8
WNW
0.7
WNW
0.7
WNW
0.6
WNW
0.6
WNW
Period(s) (?)232118181817171616161515151515141413131312121211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)82508135619251904171718181419135011018607957306405845614073132192121311259182
Wind
(km/h)
20
SSW
25
SW
20
SSW
15
SSW
15
S
15
S
15
S
20
SSE
15
SSE
15
SSE
15
SSE
15
SE
15
SE
10
SSE
10
SE
15
SE
20
SE
20
SE
15
ESE
20
SE
20
ESE
20
ESE
20
SE
20
SE
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
offoffoffoffoffcross-
off
offoffoffoffcross-
off
offcross-
off
cross-
off
offoff
High Tide
/ height (m)
4:33PM
1.63
4:58AM
1.80
5:10PM
1.72
5:33AM
1.93
5:43PM
1.81
Low Tide
/ height (m)
10:33AM
0.66
10:44PM
0.56
11:16AM
0.55
11:22PM
0.44
11:53AM
0.45
11:56PM
0.31
Thursday
15
Friday
16
Saturday
17
Sun
18
Sunrise--8:44-------8:42-------8:41-----
Sunset----4:29-------4:30-------4:31---
cloud
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
clear
cloud
cloud
cloud
cloud
cloud
cloud
cloud
rain showers
rain showers
rain showers
part cloud
clear
clear
Rain (mm)
------------------111---
Temp. °C654564444446765566677765
Feels °C (?)0-1-101-1-1-1-1-1-12322111222210
  • 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

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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