Surf Forecast Surf Report
Rossnowlagh surf break

Rossnowlagh surfForecast / Donegal / Ireland

information circle12 Day Weather and Surf, issued 6 am Monday 31 Mar 2025 IST
Forecast update in hr  min  s Forecast update imminent
Rossnowlagh surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rossnowlagh sea temperature is
9.1° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Rossnowlagh this week:

The surf forecast for Rossnowlagh over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Mar 31) at 10AM. The primary swell is predicted to be 0.7m and 21s period with a secondary swell of 1.3m and 11s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Rossnowlagh in the next 12 days are 2.5m 16s and forecast to arrive on Monday (Mar 31) at 4PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Saturday (Apr 05) at 10AM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+)10AM (Mon 31st Mar)2.5ft (0.7m) 21s
Best Surf 7PM (Mon 31st Mar)7.5ft (2.3m) 14s
Most Powerful 4PM (Mon 31st Mar)8ft (2.5m) 16s

Table - best surf conditions forecast for Rossnowlagh over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Monday
31
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
WNW
2.5
W
1.8
W
1.3
W
1.2
W
0.7
W
0.5
W
0.5
W
0.4
W
0.4
W
0.4
W
0.4
WNW
0.4
WNW
0.3
W
0.2
W
0.2
W
0.4
W
0.5
W
0.7
W
0.6
W
0.5
W
0.4
WNW
0.3
W
0.2
W
0.2
W
0.2
W
0.1
W
0.1
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.2
W
0.4
NNW
0.4
NW
Period(s) (?)2116131212111211121212911101212111613121211101113131312131513121211810
Wave
Graph
(?)Metric surfscale
Energy (?)441343010944723831166660484541313718101138124171113714019101413331317131211102727
Wind
(km/h)
10
SSE
15
S
15
SE
20
SE
25
SE
15
ESE
20
ESE
20
ESE
10
E
15
E
20
ESE
15
E
20
E
25
E
20
E
20
E
25
ESE
15
ESE
20
ESE
15
SE
10
ESE
10
ESE
10
SE
10
ESE
10
ESE
5
WSW
5
ESE
5
E
5
NE
10
E
10
E
10
NW
5
NE
10
N
15
NNW
5
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffoffoffoffoffoffoffoffoffcross-
off
cross-
off
offoffcross-
off
offoffglassoffglassglassoffoffcross-
on
cross-
off
crosscross-
on
cross-
off
High Tide
/ height (m)
8:09PM
3.77
8:27AM
3.88
8:51PM
3.66
9:13AM
3.55
9:35PM
3.46
10:03AM
3.13
10:27PM
3.20
11:04AM
2.72
11:33PM
2.93
12:26PM
2.41
1:01AM
2.77
2:10PM
2.31
2:37AM
2.81
3:36PM
2.44
3:50AM
2.99
4:32PM
2.65
4:40AM
3.18
5:13PM
2.87
5:19AM
3.34
5:46PM
3.05
5:51AM
3.45
6:15PM
3.21
Low Tide
/ height (m)
1:53PM
-0.29
2:07AM
-0.12
2:32PM
-0.07
2:52AM
0.05
3:12PM
0.24
3:40AM
0.34
3:57PM
0.61
4:38AM
0.69
4:51PM
0.97
5:59AM
1.00
6:11PM
1.25
7:56AM
1.11
8:04PM
1.31
9:29AM
0.98
9:28PM
1.15
10:25AM
0.77
10:21PM
0.93
11:04AM
0.58
11:01PM
0.73
11:35AM
0.42
11:35PM
0.56
12:03PM
0.29
12:06AM
0.43
Monday
31
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Sunrise7:09--7:05--7:03--7:01--6:58--6:56--6:54--6:50--6:48--6:46--6:43--6:41--
Sunset-8:06--8:07--8:09--8:12--8:14--8:15--8:16--8:19--8:21--8:22--8:24--8:27-
part cloudcloudpart cloudpart cloudpart cloudclearclearclearclearclearclearclearclearclearpart cloudclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearpart cloud
Rain (mm)
------------------------------------
Temp. °C151513131481214912151112149101281113813161214161315171214151112137
Feels °C (?)1112107837967107685463795101310111412131510111210894

Short Range Forecast: Mostly dry. Very mild (max 15°C on Mon morning, min 5°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 15°C on Thu afternoon, min 3°C on Fri night). Wind will be generally light.

Days 6-9 Weather Summary Mostly dry. Very mild (max 16°C on Mon afternoon, min 5°C on Sun night). Wind will be generally light.

Long Range Forecast: Mostly dry. Very mild (max 17°C on Wed afternoon, min 5°C on Thu night). Wind will be generally light.

  • 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 Rossnowlagh Surf forecast

The above surf forecast table for Rossnowlagh provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Rossnowlagh can be found by selecting the local surf guide option on the grey menu. Our Rossnowlagh 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 (Rossnowlagh) 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 Rossnowlagh 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.

Rossnowlagh is 17 km (11 miles) from Killybegs. If you plan a holiday in Donegal, look for hotels and other accommodation in Killybegs. Killybegs has rooms for a wide range of budgets as well as car hire and transport links.

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