Downhill surfForecast / Londonderry / Ireland

information circle48hr Weather and Surf, issued 5 pm Friday 21 Nov 2025 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
12.2° C
(Which is 1.3°C warmer than normal for this time of year)


How big are the waves at Downhill today?

The current surf forecast for Downhill at 8PM is: 0.4m 13s primary swell from a West-northwest direction and 0.5m 9s secondary swell from a West-northwest direction (forecast issued at 05:00pm November 21). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (21 Nov)--
Afternoon (21 Nov)1.5ft (0.4m)14s
Evening (21 Nov)1.5ft (0.4m)13s

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

Updates in  hr  min  s Forecast update imminent
Friday
21
Saturday
22
Sunday
23
Monday
24
3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM
Rating
(10 max)
0
0
0
0
0
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
NW
0.4
NW
0.4
WNW
0.7
WNW
0.6
WNW
0.4
NW
0.7
NW
0.8
WNW
0.9
NW
0.9
NW
0.9
NW
0.8
NW
0.7
NW
0.8
WNW
0.9
WNW
0.9
WNW
0.9
WNW
0.8
WNW
0.8
WNW
0.8
WNW
0.8
WNW
0.7
NW
1.2
NNW
1.9
NNW
Period(s) (?)1414131011131013121211111111121211111111101077
Wave
Graph
(?)Metric surfscale
Energy kJ (?)51496883755698212220199182145121163222215190154151146123110164365
Wind
(km/h)
30
SSW
25
S
25
SSW
20
SW
15
WSW
15
SW
15
SSW
20
SSW
15
WSW
15
SSW
20
SSE
25
SSE
25
SW
30
SW
35
SSW
30
WSW
25
NNW
25
N
15
NE
15
NNE
25
NNE
25
NNE
30
N
40
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
crosscrosscrosscross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
crosscrosscross-
off
crosscross-
on
cross-
on
crosscrosscross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
6:34PM
1.92
6:53AM
2.04
7:05PM
1.85
7:27AM
2.00
7:37PM
1.77
8:03AM
1.92
Low Tide
/ height (m)
12:38PM
0.32
12:44AM
0.31
1:12PM
0.39
1:15AM
0.36
1:47PM
0.48
1:47AM
0.41
Friday
21
Saturday
22
Sunday
23
Monday
24
Sunrise------8:11-------8:14-------8:15-
Sunset4:14-------4:13-------4:12-------
cloud
light rain
light rain
part cloud
clear
clear
cloud
part cloud
part cloud
cloud
cloud
light rain
rain showers
part cloud
mod rain
rain showers
rain showers
light rain
rain showers
clear
cloud
part cloud
clear
cloud
Rain (mm)
-24--------33-62131-----
Temp. °C5556666887678779977779910
Feels °C (?)-2-2-212224431120-1340321211
  • 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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