Downhill surfForecast / Londonderry / Ireland

information circle48hr Weather and Surf, issued 5 pm Sunday 15 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 10PM is: 4.5m 19s primary swell from a Northwest direction (forecast issued at 05:00pm March 15). The wind direction is predicted to be cross-onshore.

Time (GMT) & DateWave HeightWave Period
Morning (15 Mar)--
Afternoon (15 Mar)10ft (3.0m)12s
Evening (15 Mar)15ft (4.5m)19s

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


Updates in  hr  min  s Forecast update imminent
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM
Rating
(10 max)
0
0
0
0
!
!
!
!
!
3
2
2
2
2
1
1
0
3
3
3
3
3
3
3
Swell
Height Map
Wave Height (m) & direction (?)
3
NW
3.5
NW
4.5
NW
5
NW
4.5
NW
4.5
NW
4.5
NW
4
NW
3.5
NW
3
NW
3
NW
2.4
NW
2.2
NW
1.9
NW
1.7
NW
1.7
NW
1.6
NW
1.6
NW
1.5
NW
1.4
NW
1.4
NW
0.9
NW
1.5
NW
1.4
NW
Period(s) (?)121319191919181817171616141414141413131312171615
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2555400315431170601608714097116149262707152413772275819831443111510529478467576595494821115795
Wind
(km/h)
45
W
40
W
40
W
40
WSW
30
WSW
25
SW
25
SW
25
S
30
SSW
30
SSW
30
SSW
30
SSW
25
S
30
S
35
S
30
S
25
WSW
10
SSW
10
SSE
15
SSE
10
SSE
5
SSE
5
SSE
0
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
off
offcross-
off
cross-
off
offoffglass
High Tide
/ height (m)
4:27PM
1.62
4:47AM
1.95
4:57PM
1.77
5:16AM
2.13
5:28PM
1.91
5:45AM
2.29
Low Tide
/ height (m)
10:33PM
0.42
11:10AM
0.38
11:03PM
0.24
11:38AM
0.20
11:33PM
0.09
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Sunrise------6:41-------6:37-------6:35-
Sunset-6:29-------6:30-------6:32------
rain showers
light rain
light rain
light rain
light rain
light rain
cloud
cloud
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
cloud
cloud
cloud
part cloud
cloud
Rain (mm)
111111--2-------121-----
Temp. °C654445679111111111111111099898911
Feels °C (?)-5-5-6-5-4-20125555534566566710
  • 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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