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Surf Forecasts:

Downhill surfForecast / Londonderry / Ireland

information circle48hr Weather and Surf, issued 11 am Tuesday 20 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
8.7° C
 (Which is normal for this time of year)

How big are the waves at Downhill today?

The current surf forecast for Downhill at 4PM is: 1.3m 15s primary swell from a Northwest direction (forecast issued at 11:00am January 20). An open ocean swell of 2.2m 6s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (GMT) & DateWave HeightWave Period
Morning (20 Jan)5ft (1.6m)15s
Afternoon (20 Jan)4.5ft (1.3m)15s
Evening (20 Jan)4ft (1.2m)14s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM
Rating
(10 max)
2
1
0
0
1
0
1
2
0
0
0
0
0
0
0
1
1
1
1
2
2
2
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.6
NW
1.5
NW
1.3
NW
1.2
NW
1.2
NW
1.1
NW
1
NW
0.9
NW
0.9
NW
0.8
NW
0.7
NW
0.6
NW
0.6
WNW
0.5
NW
0.5
NW
0.6
WNW
0.7
NW
0.9
WNW
1
WNW
1
WNW
1
WNW
1
WNW
0.9
WNW
0.8
WNW
Period(s) (?)151515151414141313131212121212191816151414131213
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1200962767606598453368295253199154118987168241312441468437413336245189
Wind
(km/h)
35
ESE
45
SE
50
ESE
50
SE
35
SSE
45
SE
30
SSE
20
SE
30
SE
35
ESE
40
ESE
40
E
40
ESE
40
SE
30
SE
35
SE
25
SE
30
SE
30
SE
20
SE
10
SE
15
SSE
20
ESE
35
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffoffoffoffoffoffcross-
off		cross-
off		cross-
off		offoffoffoffoffoffoffoffoffcross-
off		cross-
off		cross-
off
High Tide
/ height (m)
7:10AM
2.20
7:16PM
1.91
7:42AM
2.22
7:48PM
1.89
8:15AM
2.21
8:22PM
1.85
Low Tide
/ height (m)
1:32PM
0.27
1:26AM
0.09
2:03PM
0.25
1:56AM
0.09
2:36PM
0.26
2:27AM
0.13
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sunrise8:37-------8:37-------8:34-------
Sunset--4:37-------4:39-------4:42-----
cloud
cloud
light rain
light rain
light rain
cloud
part cloud
cloud
cloud
clear
cloud
cloud
light rain
light rain
part cloud
cloud
cloud
part cloud
light rain
light rain
light rain
light rain
clear
part cloud
Rain (mm)
--334-------13----1231--
Temp. °C788888766767999999986667
Feels °C (?)-1-2-3-20-2-10-1-2-4-211223333321-1
  • 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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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.

View detailed surf forecast for Downhill at:
surf-forecast.com

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