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Surf Forecasts:

Downhill surfForecast / Londonderry / Ireland

information circle48hr Weather and Surf, issued 11 am Tuesday 17 Feb 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 5PM is: 0.9m 9s primary swell from a North-northwest direction and 0.6m 12s secondary swell from a West-northwest direction (forecast issued at 11:00am February 17). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (GMT) & DateWave HeightWave Period
Morning (17 Feb)5.5ft (1.7m)10s
Afternoon (17 Feb)2.5ft (0.7m)13s
Evening (17 Feb)1.5ft (0.4m)12s

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

Updates in  hr  min  s Forecast update imminent 
12 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
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
2
0
0
1
1
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.7
NNW
1.4
NNW
0.7
WNW
0.9
NNW
0.4
WNW
0.4
WNW
0.3
WNW
0.2
WNW
0.2
WNW
0.2
WNW
0.2
N
0.2
N
0.2
N
0.3
WNW
0.4
WNW
0.5
WNW
0.7
WNW
0.8
WNW
1
WNW
1.3
WNW
1.4
WNW
1.3
WNW
1.2
WNW
1.1
NW
Period(s) (?)10101391212111111111818181414141414131212111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4973481891135646251212122424243778110166257362458527411329273
Wind
(km/h)
10
NE
15
E
25
ESE
30
SE
35
SE
40
SE
45
SE
50
SE
50
SE
45
SE
45
SE
40
SE
40
SE
30
SE
25
ESE
25
SE
25
SE
30
SE
25
SSE
35
W
20
SW
20
S
25
SSE
35
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off		offoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffcross-
on		crosscross-
off		offcross-
off
High Tide
/ height (m)
6:25PM
1.98
6:47AM
2.33
6:56PM
2.02
7:17AM
2.38
7:28PM
2.04
Low Tide
/ height (m)
12:38PM
0.17
12:33AM
0.01
1:07PM
0.09
1:02AM
-0.04
1:37PM
0.06
1:32AM
-0.04
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Sunrise7:47-------7:43-------7:41-------
Sunset--5:36-------5:37-------5:39-----
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
part cloud
cloud
light rain
light rain
Rain (mm)
---------34-------22--22
Temp. °C444333333334443344475558
Feels °C (?)-1-2-3-6-7-8-8-9-8-8-8-6-5-3-3-4-2-3-2-100-20
  • 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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