Downhill surfForecast / Londonderry / Ireland

information circle48hr Weather and Surf, issued 5 pm Friday 12 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 9PM is: 1.9m 17s primary swell from a Northwest direction (forecast issued at 05:00pm December 12). The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (12 Dec)--
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
Monday
15
3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM
Rating
(10 max)
2
2
3
3
2
2
1
1
1
0
0
1
1
0
0
0
1
0
0
0
0
3
3
3
Swell
Height Map
Wave Height (m) & direction (?)
2.2
NW
2.1
NW
1.9
NW
2.1
NW
2.3
NW
2.3
NW
2.1
NW
2
NW
2
NW
2
NW
1.8
NW
1.7
WNW
1.4
NW
1.3
WNW
1.3
WNW
1.3
WNW
1.3
WNW
1.2
NW
1.4
NW
1.4
NW
1.4
NW
1.4
NW
1.5
NW
1.5
NW
Period(s) (?)181817171716161514141414131313121313131313141415
Wave
Graph
(?)Metric surfscale
Energy kJ (?)302826002212245429662756215716471604158112671005732572529521581525642701690722804940
Wind
(km/h)
30
SSW
25
SSW
25
SSW
25
SSW
25
SSW
30
S
40
SSW
40
SSW
45
SSW
45
SSW
45
SSW
35
SSW
30
S
40
SSW
30
SSW
25
SSW
20
SSE
30
S
30
NW
20
WNW
20
WNW
15
SSW
15
SSW
15
SSW
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
ononcross-
on
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
12:20PM
1.75
12:58AM
1.33
1:32PM
1.69
2:13AM
1.40
2:34PM
1.67
3:10AM
1.52
Low Tide
/ height (m)
6:58PM
0.65
6:42AM
0.64
8:02PM
0.63
7:56AM
0.66
8:55PM
0.59
9:02AM
0.63
Friday
12
Saturday
13
Sunday
14
Monday
15
Sunrise------8:44-------8:45-------8:45-
Sunset3:56-------3:56-------3:56-------
part cloud
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
part cloud
rain showers
cloud
light rain
rain showers
light rain
mod rain
cloud
cloud
cloud
part cloud
Rain (mm)
------------1-1-2136----
Temp. °C8876767810111212121313131212977778
Feels °C (?)11101-1-2-20136667886322334
  • 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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