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Surf Forecasts:

Downhill surfForecast / Londonderry / Ireland

information circle48hr Weather and Surf, issued 11 am Tuesday 17 Mar 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
8.0° C
 (Which is normal for this time of year)

How big are the waves at Downhill today?

The current surf forecast for Downhill at 2PM is: 1.8m 14s primary swell from a Northwest direction (forecast issued at 11:00am March 17). An open ocean swell of 0.2m 7s is not directed at the surf break, a second open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (17 Mar)6ft (1.9m)14s
Afternoon (17 Mar)6ft (1.8m)14s
Evening (17 Mar)4.5ft (1.4m)13s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
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
2
2
2
2
2
3
3
3
3
2
2
1
2
2
2
2
2
2
2
1
1
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.9
NW
1.9
NW
1.8
NW
1.6
NW
1.4
NW
1.3
NW
1.4
NW
1.2
NW
0.9
NW
1.4
NW
1.4
NW
1.4
NW
1.3
NW
1.4
NW
1.4
NW
1.3
NW
1.3
NW
1.2
NW
1.1
NW
1
NW
0.9
NW
0.9
NW
0.8
NW
0.8
NW
Period(s) (?)141414131312121216161514131313131313131212121211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)144314031152846680494540435432871868787637694673529512451352291236232187145
Wind
(km/h)
35
S
35
S
25
SSW
20
SSW
20
SSW
15
SSW
10
SSW
10
S
5
S
5
ENE
10
NE
10
NE
10
NNE
15
NNE
5
NE
5
ENE
5
ENE
10
E
15
ESE
15
SE
15
SSE
15
SSE
15
S
10
S
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		glasscross-
off		crosscrosscross-
on		crosscrossglassglasscross-
off		cross-
off		offoffcross-
off		cross-
off		cross-
off
High Tide
/ height (m)
5:28PM
1.91
5:45AM
2.29
5:59PM
2.03
6:16AM
2.40
6:31PM
2.11
Low Tide
/ height (m)
11:38AM
0.20
11:33PM
0.09
12:07PM
0.06
12:03AM
-0.01
12:36PM
-0.03
12:35AM
-0.07
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Sunrise6:37-------6:35-------6:33-------
Sunset---6:32-------6:35-------6:37----
cloud
part cloud
light rain
light rain
light rain
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
Rain (mm)
--111-------------------
Temp. °C1112119998789998899911131210998
Feels °C (?)45644654665544677910107554
  • 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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