Lough Nahanagan
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, SSW, gusts 61
Daylight
07:28
Sunrise. Sunset 19:02. Air 13°C.
Best dip each day
Daylight hours, preferring high tideToday
13:00
Fresh 52/100
fresh breeze, showers possible · 31 km/h
☀ 07:28–19:02
Sat, 3 Oct
11:00
Grand 97/100
light winds, dry, sunny · 12 km/h
☀ 07:29–18:59
Sun, 4 Oct
14:00
Grand 94/100
gentle breeze, dry · 15 km/h
☀ 07:31–18:57
Mon, 5 Oct
10:00
Grand 94/100
gentle breeze, dry · 17 km/h
☀ 07:33–18:54
Tue, 6 Oct
10:00
Grand 89/100
light winds, showers possible · 9 km/h
☀ 07:35–18:52
Wed, 7 Oct
10:00
Grand 86/100
gentle breeze, dry · 13 km/h
☀ 07:36–18:50
Thu, 8 Oct
19:00
Grand 92/100
light winds, dry · 7 km/h
☀ 07:38–18:47
Week at a glance
Tap or drag to pick an hour. Everything below follows.Fri 13:0052 · Fresh
Fri, 2 Oct, 13:00
52 Fresh- fresh breeze
- showers possible
Waves
–
Wind
31 km/h SSW · gusts 61
Tide
–
Air
13°C · 0.3 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 | ||||||||||
| 12:00 | 46 Fresh | – | – | – | 29 km/h SW | 57 | – | 0.7 mm | 13° | fresh breeze, rain |
| 13:00 | 52 Fresh | – | – | – | 31 km/h SSW | 61 | – | 0.3 mm | 13° | fresh breeze, showers possible |
| 14:00 | 36 Blowy | – | – | – | 39 km/h SSW | 65 | – | 0.2 mm | 13° | strong wind, showers possible |
| 15:00 | 36 Blowy | – | – | – | 41 km/h SSW | 66 | – | 0.2 mm | 13° | strong wind, showers possible |
| 16:00 | 30 Blowy | – | – | – | 39 km/h SSW | 65 | – | 0.6 mm | 13° | strong wind, rain |
| 17:00 | 41 Blowy | – | – | – | 38 km/h SW | 64 | – | 1.5 mm | 13° | fresh breeze, rain |
| 18:00 | 27 Grim | – | – | – | 36 km/h WSW | 63 | – | 3.4 mm | 13° | fresh breeze, rain |
| 19:00 | 28 Blowy | – | – | – | 36 km/h WSW | 56 | – | 3.2 mm | 12° | fresh breeze, rain |
| 20:00 | 57 Fresh | – | – | – | 31 km/h W | 47 | – | 0.2 mm | 11° | fresh breeze, showers possible |
| 21:00 | 60 Fresh | – | – | – | 32 km/h W | 41 | – | dry | 10° | fresh breeze, dry, sunny |
| 22:00 | 76 Decent | – | – | – | 28 km/h WNW | 38 | – | dry | 9° | moderate breeze, dry |
| 23:00 | 76 Decent | – | – | – | 26 km/h WNW | 37 | – | dry | 8° | moderate breeze, dry, sunny |
| Saturday, 3 October | ||||||||||
| 00:00 | 76 Decent | – | – | – | 27 km/h WNW | 33 | – | dry | 7° | moderate breeze, dry, sunny |
| 01:00 | 76 Decent | – | – | – | 28 km/h WNW | 32 | – | dry | 7° | moderate breeze, dry, sunny |
| 02:00 | 76 Decent | – | – | – | 26 km/h WNW | 31 | – | dry | 6° | moderate breeze, dry, sunny |
| 03:00 | 76 Decent | – | – | – | 26 km/h WNW | 29 | – | dry | 6° | moderate breeze, dry |
| 04:00 | 76 Decent | – | – | – | 20 km/h WNW | 23 | – | dry | 6° | moderate breeze, dry |
| 05:00 | 80 Grand | – | – | – | 14 km/h WNW | 19 | – | dry | 6° | gentle breeze, dry |
| 06:00 | 86 Grand | – | – | – | 9 km/h WNW | 16 | – | dry | 5° | light winds, dry |
| 07:00 | 86 Grand | – | – | – | 6 km/h W | 15 | – | dry | 5° | light winds, dry |
| 08:00 | 92 Grand | – | – | – | 9 km/h W | 15 | – | dry | 6° | light winds, dry |
| 09:00 | 92 Grand | – | – | – | 10 km/h WSW | 15 | – | dry | 8° | light winds, dry |
| 10:00 | 92 Grand | – | – | – | 12 km/h WSW | 18 | – | dry | 9° | light winds, dry |
| 11:00 | 97 Grand | – | – | – | 12 km/h W | 21 | – | dry | 10° | light winds, dry, sunny |
| 12:00 | 97 Grand | – | – | – | 9 km/h W | 21 | – | dry | 11° | light winds, dry, sunny |
| 13:00 | 97 Grand | – | – | – | 7 km/h W | 19 | – | dry | 12° | light winds, dry, sunny |
| 14:00 | 97 Grand | – | – | – | 7 km/h WSW | 19 | – | dry | 12° | light winds, dry, sunny |
| 15:00 | 97 Grand | – | – | – | 10 km/h WSW | 20 | – | dry | 13° | light winds, dry, sunny |
| 16:00 | 97 Grand | – | – | – | 9 km/h WSW | 21 | – | dry | 13° | light winds, dry, sunny |
| 17:00 | 97 Grand | – | – | – | 9 km/h WSW | 21 | – | dry | 12° | light winds, dry, sunny |
| 18:00 | 97 Grand | – | – | – | 9 km/h WSW | 20 | – | dry | 12° | light winds, dry, sunny |
| 19:00 | 92 Grand | – | – | – | 7 km/h WSW | 15 | – | dry | 9° | light winds, dry, sunny |
| 20:00 | 92 Grand | – | – | – | 8 km/h WSW | 15 | – | dry | 7° | light winds, dry, sunny |
| 21:00 | 86 Grand | – | – | – | 14 km/h SW | 19 | – | dry | 7° | gentle breeze, dry |
| 22:00 | 86 Grand | – | – | – | 14 km/h SW | 22 | – | dry | 7° | gentle breeze, dry, sunny |
| 23:00 | 86 Grand | – | – | – | 14 km/h SW | 24 | – | dry | 7° | gentle breeze, dry, sunny |
| Sunday, 4 October | ||||||||||
| 00:00 | 86 Grand | – | – | – | 13 km/h SW | 26 | – | dry | 7° | gentle breeze, dry, sunny |
| 01:00 | 86 Grand | – | – | – | 15 km/h SW | 27 | – | dry | 7° | gentle breeze, dry, sunny |
| 02:00 | 86 Grand | – | – | – | 15 km/h WSW | 28 | – | dry | 8° | gentle breeze, dry |
| 03:00 | 76 Decent | – | – | – | 21 km/h WSW | 30 | – | dry | 9° | moderate breeze, dry |
| 04:00 | 76 Decent | – | – | – | 24 km/h WSW | 31 | – | dry | 10° | moderate breeze, dry |
| 05:00 | 81 Grand | – | – | – | 24 km/h WSW | 32 | – | dry | 10° | moderate breeze, dry |
| 06:00 | 81 Grand | – | – | – | 23 km/h WSW | 34 | – | dry | 10° | moderate breeze, dry |
| 07:00 | 81 Grand | – | – | – | 24 km/h WSW | 35 | – | dry | 11° | moderate breeze, dry |
| 08:00 | 81 Grand | – | – | – | 25 km/h WSW | 35 | – | dry | 11° | moderate breeze, dry |
| 09:00 | 81 Grand | – | – | – | 26 km/h W | 35 | – | dry | 12° | moderate breeze, dry |
| 10:00 | 81 Grand | – | – | – | 28 km/h W | 36 | – | dry | 13° | moderate breeze, dry, sunny |
| 11:00 | 68 Decent | – | – | – | 29 km/h W | 37 | – | dry | 14° | fresh breeze, dry |
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?
The Boat Yard Sauna · Wicklow Harbour, Wicklow town · 24 km · fixed
The Barrel Sauna (Greystones) · The Boatyard, Beach Road, Greystones · 25 km · fixed
Fad Saoil Saunas (Greystones) · Rise at The Cove, Marine Road, Greystones · 26 km · fixed
Helios Sauna (Bray Rooftop) · Bray seafront · 27 km · fixed
Put Lough Nahanagan 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 Nahanagan dip · FreshFri, 2 Oct 12:30–13:30 · fresh breeze, showers possible
🌊 Lough Nahanagan dip · GrandSat, 3 Oct 10:30–11:30 · light winds, dry, sunny
🌊 Lough Nahanagan dip · GrandSun, 4 Oct 13:30–14:30 · gentle breeze, dry
Nearby spots
Score is Dipper's own blend. It rates comfort, not safety. Forecast: Met Éireann. Lake data: © OpenStreetMap contributors.