Downhill Surf Break

Lat Long: 55.17° N 6.84° W

Downhill Surf Forecast and Surf Report

Issued: 6 pm 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's Downhill sea temperature is
16.1° C
1.6° 

Downhill surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Downhill surf forecast from 19 Aug 2026:

  • Best quality surf: Monday 24 Aug, 7AM (local time) - 3.5ft (1.1m), 11s period, NW swell with offshore winds.
  • Most powerful swell: Monday 24 Aug, 10AM (local time) - 3.5ft (1.1m), 12s period, NW swell with 332 kJ wave energy.
  • Next surfable swell (1★+): Monday 24 Aug, 1AM (local time) - 2.5ft (0.8m), 10s period with NW swell.

Best Forecast Surf Conditions for Downhill this week:

The surf forecast for Downhill over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 24) at 1AM. The primary swell is predicted to be 0.8m and 10s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Downhill in the next 16 days are 1.1m 12s and forecast to arrive on Monday (Aug 24) at 10AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Wednesday (Aug 26) at 1AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Mon 24th Aug)2.5ft (0.8m) 10s
Best Surf 7AM (Mon 24th Aug)3.5ft (1.1m) 11s
Most Powerful10AM (Mon 24th Aug)3.5ft (1.1m) 12s

Table - best surf conditions forecast for Downhill over the next 16 days.


Short Range Forecast

Moderate rain (total 12mm), heaviest on Wed afternoon. Very mild (max 16°C on Wed afternoon, min 12°C on Wed night). Winds increasing (light winds from the NNW on Wed night, fresh winds from the NNW by Thu afternoon).

Days 5-7 Weather Summary

Mostly dry. Warm (max 20°C on Mon afternoon, min 13°C on Sat night). Winds increasing (calm on Sun night, fresh winds from the ESE by Tue morning).

Wed
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
WNW
10
0.7
NW
10
1.5
NNW
8
1.7
NNW
7
1.7
NNW
7
1.3
NNW
6
1
NNW
6
0.9
NNW
5
0.6
NNW
5
0.6
NNW
5
0.6
NNW
6
0.6
NW
6
0.6
NW
7
0.8
NW
10
1.1
NW
12
1
NW
11
0.7
WNW
10
0.6
WNW
11
0.4
NW
10
0.1
N
11
Wave Graph
Metric surfscale
Energy kJ
151
96
273
285
277
126
74
48
17
14
22
32
36
122
332
220
86
75
24
3
Wind (km/h)
15
WNW
10
N
20
N
30
NNW
30
N
25
N
25
NNW
20
NNW
20
NW
20
NW
10
WSW
10
WSW
10
N
5
SE
10
SE
20
SE
25
SE
30
ESE
25
ESE
35
ESE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
off
off
off
off
cross-off
cross-off
cross-off
High Tide
11:22PM1.56m
11:47AM1.48m
00:21AM1.37m
1:30PM1.38m
2:44AM1.29m
3:48PM1.45m
4:22AM1.38m
4:52PM1.60m
5:08AM1.51m
5:31PM1.76m
5:41AM1.64m
6:03PM1.92m
Low Tide
5:19PM0.62m
5:48AM0.75m
6:23PM0.82m
6:56AM0.87m
8:10PM0.93m
8:47AM0.90m
10:09PM0.87m
10:19AM0.79m
11:12PM0.74m
11:11AM0.62m
11:51PM0.59m
11:48AM0.45m
00:23AM0.44m
thunderstorm
rain showers
rain showers
clear
rain showers
rain showers
part cloud
part cloud
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:11
6:13
6:15
6:16
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:52
8:50
8:47
8:45
8:43
8:40
8:37
 mm
4
4
2
1
1
Temp °C
16
14
13
13
13
13
13
13
14
14
13
16
16
14
18
20
16
17
19
17
Feels °C
14
13
9
6
7
8
8
8
10
10
11
15
14
14
15
16
14
11
14
11
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Downhill Surf forecast

The above surf forecast table for Downhill provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Downhill can be found by selecting the local surf guide option on the grey menu. Our Downhill surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Downhill) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Downhill may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Londonderry? If you are looking for accommodation near Downhill, camping, hotels and holiday cottages in Londonderry, consider staying in Coleraine which is 11 km (7 miles) away. Other places in and around Londonderry where you can find information about places to rent, and car hire include Derry which is 36 km (22 miles) away, Londonderry County Borough, Ballycastle and Derry.

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