Lough Nahillion
Monitored, not designated
Not an EPA-monitored bathing water. This lake comes from OpenStreetMap. There is no water-quality testing, no bathing notices and no facilities information here; the score is weather and daylight only. Check locally for blue-green algae warnings before you swim.
Dip score now
52
Fresh · fresh breeze, showers possible
Wind
31 km/h
Fresh breeze, S, gusts 56
Daylight
07:42
Sunrise. Sunset 19:15. Air 14°C.
Best dip each day
Daylight hoursToday
17:00
Grand 91/100
gentle breeze, dry · 19 km/h
☀ 07:42–19:15
Sat, 3 Oct
10:00
Grand 97/100
light winds, dry · 6 km/h
☀ 07:44–19:13
Sun, 4 Oct
11:00
Grand 94/100
gentle breeze, dry · 19 km/h
☀ 07:46–19:11
Mon, 5 Oct
13:00
Grand 82/100
gentle breeze, rain · 18 km/h
☀ 07:47–19:08
Tue, 6 Oct
19:00
Grand 91/100
gentle breeze, dry · 17 km/h
☀ 07:49–19:06
Wed, 7 Oct
10:00
Grand 83/100
gentle breeze, showers possible · 17 km/h
☀ 07:51–19:03
Thu, 8 Oct
13:00
Grand 83/100
gentle breeze, showers possible · 19 km/h
☀ 07:53–19:01
Week at a glance
Tap or drag to pick an hour. Everything below follows.Fri 07:0052 · Fresh
Fri, 2 Oct, 07:00
52 Fresh- fresh breeze
- showers possible
Waves
–
Wind
31 km/h S · gusts 56
Tide
–
Air
14°C · 0.5 mm rain
Meteogram
Score, waves, wind (green offshore, amber cross, red onshore), rain and air, tideHour by hour
Next 48 hours| Time | Dip | Waves | Period | From | Wind | Gust | Tide | Rain | Air | Why |
|---|---|---|---|---|---|---|---|---|---|---|
| Today | ||||||||||
| 07:00 | 52 Fresh | – | – | – | 31 km/h S | 56 | – | 0.5 mm | 14° | fresh breeze, showers possible |
| 08:00 | 44 Blowy | – | – | – | 31 km/h S | 60 | – | 1.0 mm | 14° | fresh breeze, rain |
| 09:00 | 34 Blowy | – | – | – | 36 km/h S | 63 | – | 2.7 mm | 14° | fresh breeze, rain |
| 10:00 | 14 Grim | – | – | – | 42 km/h S | 69 | – | 4.3 mm | 14° | strong wind, rain |
| 11:00 | 30 Blowy | – | – | – | 37 km/h SSW | 71 | – | 5.3 mm | 14° | fresh breeze, rain |
| 12:00 | 30 Blowy | – | – | – | 30 km/h WSW | 59 | – | 4.8 mm | 14° | fresh breeze, rain |
| 13:00 | 83 Grand | – | – | – | 16 km/h WSW | 42 | – | 0.5 mm | 13° | gentle breeze, showers possible |
| 14:00 | 84 Grand | – | – | – | 21 km/h W | 40 | – | 0.1 mm | 14° | moderate breeze, dry |
| 15:00 | 84 Grand | – | – | – | 20 km/h WNW | 39 | – | dry | 13° | moderate breeze, dry |
| 16:00 | 84 Grand | – | – | – | 20 km/h WNW | 41 | – | dry | 13° | moderate breeze, dry |
| 17:00 | 91 Grand | – | – | – | 19 km/h WNW | 40 | – | dry | 12° | gentle breeze, dry |
| 18:00 | 91 Grand | – | – | – | 19 km/h W | 38 | – | dry | 12° | gentle breeze, dry |
| 19:00 | 91 Grand | – | – | – | 18 km/h WNW | 35 | – | dry | 11° | gentle breeze, dry |
| 20:00 | 86 Grand | – | – | – | 13 km/h WNW | 28 | – | dry | 10° | gentle breeze, dry |
| 21:00 | 92 Grand | – | – | – | 12 km/h WNW | 24 | – | dry | 9° | light winds, dry |
| 22:00 | 92 Grand | – | – | – | 10 km/h WNW | 22 | – | dry | 8° | light winds, dry |
| 23:00 | 92 Grand | – | – | – | 9 km/h WNW | 18 | – | dry | 8° | light winds, dry |
| Saturday, 3 October | ||||||||||
| 00:00 | 92 Grand | – | – | – | 10 km/h WNW | 15 | – | dry | 8° | light winds, dry |
| 01:00 | 92 Grand | – | – | – | 8 km/h W | 15 | – | dry | 8° | light winds, dry |
| 02:00 | 92 Grand | – | – | – | 6 km/h WSW | 15 | – | dry | 9° | light winds, dry |
| 03:00 | 92 Grand | – | – | – | 7 km/h WSW | 15 | – | dry | 9° | light winds, dry |
| 04:00 | 92 Grand | – | – | – | 9 km/h WSW | 15 | – | dry | 10° | light winds, dry |
| 05:00 | 92 Grand | – | – | – | 8 km/h W | 14 | – | dry | 9° | light winds, dry |
| 06:00 | 92 Grand | – | – | – | 6 km/h WNW | 13 | – | dry | 8° | light winds, dry, sunny |
| 07:00 | 92 Grand | – | – | – | 3 km/h SSW | 12 | – | dry | 8° | light winds, dry, sunny |
| 08:00 | 92 Grand | – | – | – | 5 km/h ESE | 11 | – | dry | 7° | light winds, dry, sunny |
| 09:00 | 92 Grand | – | – | – | 6 km/h S | 12 | – | dry | 9° | light winds, dry, sunny |
| 10:00 | 97 Grand | – | – | – | 6 km/h S | 15 | – | dry | 11° | light winds, dry |
| 11:00 | 94 Grand | – | – | – | 14 km/h SSW | 24 | – | dry | 13° | gentle breeze, dry |
| 12:00 | 94 Grand | – | – | – | 15 km/h SSW | 29 | – | dry | 14° | gentle breeze, dry |
| 13:00 | 94 Grand | – | – | – | 17 km/h SSW | 32 | – | dry | 14° | gentle breeze, dry, sunny |
| 14:00 | 94 Grand | – | – | – | 19 km/h SSW | 36 | – | dry | 14° | gentle breeze, dry |
| 15:00 | 84 Grand | – | – | – | 21 km/h S | 38 | – | dry | 14° | moderate breeze, dry |
| 16:00 | 84 Grand | – | – | – | 23 km/h S | 38 | – | dry | 14° | moderate breeze, dry |
| 17:00 | 84 Grand | – | – | – | 23 km/h SSW | 37 | – | dry | 13° | moderate breeze, dry |
| 18:00 | 84 Grand | – | – | – | 21 km/h SSW | 36 | – | dry | 13° | moderate breeze, dry |
| 19:00 | 84 Grand | – | – | – | 20 km/h S | 36 | – | dry | 13° | moderate breeze, dry |
| 20:00 | 84 Grand | – | – | – | 20 km/h SSW | 37 | – | dry | 13° | moderate breeze, dry |
| 21:00 | 84 Grand | – | – | – | 20 km/h SSW | 39 | – | dry | 13° | moderate breeze, dry |
| 22:00 | 84 Grand | – | – | – | 22 km/h SSW | 41 | – | dry | 14° | moderate breeze, dry |
| 23:00 | 84 Grand | – | – | – | 23 km/h SSW | 43 | – | 0.1 mm | 14° | moderate breeze, dry |
| Sunday, 4 October | ||||||||||
| 00:00 | 84 Grand | – | – | – | 23 km/h SSW | 44 | – | 0.1 mm | 14° | moderate breeze, dry |
| 01:00 | 84 Grand | – | – | – | 23 km/h SSW | 45 | – | 0.1 mm | 14° | moderate breeze, dry |
| 02:00 | 84 Grand | – | – | – | 23 km/h SSW | 46 | – | 0.1 mm | 14° | moderate breeze, dry |
| 03:00 | 76 Decent | – | – | – | 23 km/h SSW | 46 | – | 0.2 mm | 14° | moderate breeze, showers possible |
| 04:00 | 76 Decent | – | – | – | 23 km/h SSW | 46 | – | 0.2 mm | 14° | moderate breeze, showers possible |
| 05:00 | 76 Decent | – | – | – | 25 km/h SSW | 46 | – | 0.2 mm | 14° | moderate breeze, showers possible |
| 06:00 | 76 Decent | – | – | – | 25 km/h SW | 45 | – | 0.2 mm | 15° | moderate breeze, showers possible |
The spot
Faces
Unknown (inland)
Swell window
None (sheltered)
Exposure
Lake
Water
Not classified
Lakes have no tide or swell; the score is wind, rain, air temperature and daylight. Know better? Tell us.
Getting there
Access, parking and swimming areas are not recorded for this lake. Respect private land.
Sauna after?
Sweathouse (Renvyle) · Gurteen Pier, Renvyle, Connemara · 10 km · fixed
Cois Tra Rugged Retreat · Connemara Sands Hotel, Mannin Bay, Ballyconneely · 14 km · fixed
Big Dipper Sauna · Carrowniskey Beach, BigStyle Atlantic Lodge, Louisburgh, Co. Mayo · 21 km · fixed
Put Lough Nahillion in your calendar
Dipper Plus drops the best dip hour here into your phone every day, with waves, sea temperature, tide and a 45-minute nudge. Up to three spots.
Set up Dipper Plus🌊 Lough Nahillion dip · GrandFri, 2 Oct 16:30–17:30 · gentle breeze, dry
🌊 Lough Nahillion dip · GrandSat, 3 Oct 09:30–10:30 · light winds, dry
🌊 Lough Nahillion dip · GrandSun, 4 Oct 10:30–11:30 · gentle breeze, dry
Nearby spots
Score is Dipper's own blend. It rates comfort, not safety. Forecast: Met Éireann. Lake data: © OpenStreetMap contributors.