Downhill surfForecast / Londonderry / Ireland

information circle48hr Weather and Surf, issued 5 pm Thursday 19 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
8.1° C
(Which is normal for this time of year)

How big are the waves at Downhill today?

The current surf forecast for Downhill at 1AM is: 0.9m 12s primary swell from a Northwest direction (forecast issued at 05:00pm March 19). The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (20 Mar)2ft (0.6m)11s
Afternoon (20 Mar)3.5ft (1.1m)13s
Evening (20 Mar)4.5ft (1.3m)13s

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


Updates in  hr  min  s Forecast update imminent
Thursday
19
Friday
20
Saturday
21
Sunday
22
3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM
Rating
(10 max)
2
2
2
1
1
1
1
1
2
1
2
3
4
4
4
4
4
4
4
4
4
4
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.1
NW
1.1
NW
1
NW
0.9
NW
0.8
NW
0.8
NW
0.6
NW
0.7
NW
1.1
NW
1.2
NW
1.3
NW
1.7
NW
1.9
NW
2.1
NW
2.3
NW
2.4
NW
2.5
NW
2.5
NW
2.4
NW
2.3
NW
2.1
NW
1.9
NW
1.8
NW
2.1
NW
Period(s) (?)121212121111111413131315151416161616151515141413
Wave
Graph
(?)Metric surfscale
Energy kJ (?)386367272228183145961974444886181349165017282610291732603178277223071914150013071496
Wind
(km/h)
10
ENE
10
SE
15
SSE
15
S
10
S
10
S
10
S
5
SW
5
NNE
10
NNW
5
S
10
SW
10
SSW
10
SSW
10
S
5
SSE
5
SE
10
S
15
S
15
S
15
S
15
SSW
20
W
25
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crossglasscross-
on
cross-
off
crosscross-
off
cross-
off
cross-
off
offoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
on
High Tide
/ height (m)
6:31PM
2.11
6:49AM
2.44
7:05PM
2.15
7:24AM
2.40
7:40PM
2.14
8:01AM
2.27
Low Tide
/ height (m)
12:36PM
-0.03
12:35AM
-0.07
1:07PM
-0.05
1:09AM
-0.07
1:39PM
0.00
1:45AM
-0.00
Thursday
19
Friday
20
Saturday
21
Sunday
22
Sunrise------6:31-------6:28-------6:24-
Sunset-6:37-------6:38-------6:40------
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
cloud
cloud
Rain (mm)
------------------------
Temp. °C121211111099131311998781012121087688
Feels °C (?)9108876612129765358109743132
  • 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest