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Surf Forecasts:

Downhill surfForecast / Londonderry / Ireland

information circle48hr Weather and Surf, issued 5 am Sunday 18 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
8.8° C
 (Which is normal for this time of year)

How big are the waves at Downhill today?

The current surf forecast for Downhill at 7AM is: 0.6m 10s primary swell from a West-northwest direction (forecast issued at 05:00am January 18). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (GMT) & DateWave HeightWave Period
Morning (18 Jan)2ft (0.6m)10s
Afternoon (18 Jan)1.5ft (0.4m)10s
Evening (18 Jan)1ft (0.3m)9s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Sunday
18
Monday
19
Tuesday
20
Wed
21
3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM
Rating
(10 max)
1
1
0
0
0
0
0
0
0
0
2
4
4
4
4
3
2
4
2
1
1
3
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
WNW
0.6
WNW
0.6
WNW
0.6
WNW
0.4
WNW
0.4
WNW
0.3
WNW
0.3
WNW
0.2
WNW
0.3
NW
0.9
NW
1.6
NW
1.8
NW
1.8
NW
1.7
NW
1.7
NW
1.8
NW
1.7
NW
1.6
NW
1.6
NW
1.4
NW
1.3
NW
1.2
NW
1.1
NW
Period(s) (?)1111101010109912201917161616161616161515141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)78756564383717161563589144817281707147414741571142012481062856676590514
Wind
(km/h)
20
SE
20
SSE
20
SSE
20
SSE
20
SSE
20
SSE
20
SSE
20
S
30
S
20
S
10
S
5
S
5
SSE
20
SE
20
ESE
30
ESE
30
SSE
20
SE
25
SE
35
ESE
45
ESE
25
SE
15
SSE
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		glassglassoffoffoffcross-
off		offoffoffoffoffoffoff
High Tide
/ height (m)
6:14PM
1.87
6:38AM
2.13
6:44PM
1.91
7:10AM
2.20
7:16PM
1.91
Low Tide
/ height (m)
12:27PM
0.37
12:27AM
0.21
1:00PM
0.31
12:57AM
0.13
1:32PM
0.27
Sunday
18
Monday
19
Tuesday
20
Wed
21
Sunrise--8:41-------8:38-------8:37-----
Sunset----4:34-------4:36-------4:37---
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
light rain
cloud
light rain
light rain
Rain (mm)
---------1221-------2-12
Temp. °C656776656666676754677865
Feels °C (?)10122110-11344210-2-1-1-2-2320
  • 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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