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
97
Grand · light winds, dry
Wind
9 km/h
Light breeze, WNW, gusts 17
Daylight
07:29
Sunrise. Sunset 18:59. Air 11°C.
Best dip each day
Daylight hoursToday
12:00
Grand 97/100
light winds, dry, sunny · 9 km/h
☀ 07:29–18:59
Sun, 4 Oct
08:00
Grand 91/100
gentle breeze, dry · 19 km/h
☀ 07:31–18:57
Mon, 5 Oct
18:00
Grand 94/100
gentle breeze, dry · 15 km/h
☀ 07:33–18:54
Tue, 6 Oct
19:00
Grand 92/100
light winds, dry · 10 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
10:00
Grand 92/100
light winds, dry · 9 km/h
☀ 07:38–18:47
Fri, 9 Oct
13:00
Fresh 61/100
moderate breeze, rain · 27 km/h
☀ 07:40–18:45
Week at a glance
Tap or drag to pick an hour. Everything below follows.Sat 12:0097 · Grand
Sat, 3 Oct, 12:00
97 Grand- light winds
- dry
- sunny
Waves
–
Wind
9 km/h WNW · gusts 17
Tide
–
Air
11°C · dry
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 | 97 Grand | – | – | – | 9 km/h WNW | 17 | – | dry | 11° | light winds, dry, sunny |
| 13:00 | 97 Grand | – | – | – | 8 km/h WNW | 16 | – | dry | 12° | light winds, dry, sunny |
| 14:00 | 97 Grand | – | – | – | 5 km/h W | 17 | – | dry | 12° | light winds, dry, sunny |
| 15:00 | 97 Grand | – | – | – | 6 km/h W | 18 | – | dry | 13° | light winds, dry, sunny |
| 16:00 | 97 Grand | – | – | – | 8 km/h WSW | 19 | – | dry | 13° | light winds, dry, sunny |
| 17:00 | 97 Grand | – | – | – | 9 km/h WSW | 18 | – | dry | 12° | light winds, dry, sunny |
| 18:00 | 97 Grand | – | – | – | 8 km/h SW | 17 | – | dry | 11° | light winds, dry, sunny |
| 19:00 | 92 Grand | – | – | – | 5 km/h SW | 13 | – | dry | 9° | light winds, dry, sunny |
| 20:00 | 92 Grand | – | – | – | 10 km/h SW | 10 | – | dry | 7° | light winds, dry, sunny |
| 21:00 | 86 Grand | – | – | – | 12 km/h WSW | 13 | – | dry | 7° | gentle breeze, dry, sunny |
| 22:00 | 86 Grand | – | – | – | 13 km/h WSW | 14 | – | dry | 7° | gentle breeze, dry, sunny |
| 23:00 | 92 Grand | – | – | – | 11 km/h SW | 15 | – | dry | 7° | light winds, dry, sunny |
| Sunday, 4 October | ||||||||||
| 00:00 | 86 Grand | – | – | – | 13 km/h SW | 17 | – | dry | 6° | gentle breeze, dry, sunny |
| 01:00 | 86 Grand | – | – | – | 15 km/h WSW | 18 | – | dry | 7° | gentle breeze, dry, sunny |
| 02:00 | 86 Grand | – | – | – | 17 km/h WSW | 19 | – | dry | 8° | gentle breeze, dry |
| 03:00 | 86 Grand | – | – | – | 18 km/h WSW | 21 | – | dry | 9° | gentle breeze, dry |
| 04:00 | 86 Grand | – | – | – | 17 km/h WSW | 22 | – | dry | 9° | gentle breeze, dry |
| 05:00 | 76 Decent | – | – | – | 21 km/h WSW | 24 | – | dry | 10° | moderate breeze, dry |
| 06:00 | 81 Grand | – | – | – | 21 km/h WSW | 26 | – | dry | 10° | moderate breeze, dry |
| 07:00 | 91 Grand | – | – | – | 19 km/h WSW | 27 | – | dry | 11° | gentle breeze, dry |
| 08:00 | 91 Grand | – | – | – | 19 km/h WSW | 28 | – | dry | 11° | gentle breeze, dry |
| 09:00 | 91 Grand | – | – | – | 19 km/h WSW | 30 | – | dry | 12° | gentle breeze, dry |
| 10:00 | 81 Grand | – | – | – | 21 km/h W | 32 | – | dry | 12° | moderate breeze, dry |
| 11:00 | 81 Grand | – | – | – | 25 km/h W | 34 | – | dry | 12° | moderate breeze, dry |
| 12:00 | 81 Grand | – | – | – | 28 km/h W | 35 | – | dry | 13° | moderate breeze, dry |
| 13:00 | 84 Grand | – | – | – | 28 km/h W | 35 | – | dry | 14° | moderate breeze, dry |
| 14:00 | 84 Grand | – | – | – | 27 km/h W | 36 | – | dry | 15° | moderate breeze, dry |
| 15:00 | 84 Grand | – | – | – | 26 km/h W | 36 | – | dry | 15° | moderate breeze, dry |
| 16:00 | 84 Grand | – | – | – | 25 km/h WSW | 36 | – | dry | 15° | moderate breeze, dry |
| 17:00 | 84 Grand | – | – | – | 26 km/h WSW | 36 | – | dry | 15° | moderate breeze, dry |
| 18:00 | 84 Grand | – | – | – | 26 km/h WSW | 35 | – | dry | 15° | moderate breeze, dry |
| 19:00 | 84 Grand | – | – | – | 27 km/h WSW | 34 | – | dry | 15° | moderate breeze, dry |
| 20:00 | 84 Grand | – | – | – | 23 km/h WSW | 33 | – | dry | 14° | moderate breeze, dry |
| 21:00 | 84 Grand | – | – | – | 22 km/h WSW | 35 | – | dry | 14° | moderate breeze, dry |
| 22:00 | 84 Grand | – | – | – | 22 km/h WSW | 36 | – | dry | 14° | moderate breeze, dry |
| 23:00 | 84 Grand | – | – | – | 22 km/h WSW | 37 | – | dry | 14° | moderate breeze, dry |
| Monday, 5 October | ||||||||||
| 00:00 | 84 Grand | – | – | – | 22 km/h WSW | 37 | – | dry | 14° | moderate breeze, dry |
| 01:00 | 84 Grand | – | – | – | 22 km/h WSW | 37 | – | dry | 14° | moderate breeze, dry |
| 02:00 | 91 Grand | – | – | – | 18 km/h SW | 31 | – | dry | 13° | gentle breeze, dry |
| 03:00 | 81 Grand | – | – | – | 20 km/h WSW | 31 | – | dry | 13° | moderate breeze, dry |
| 04:00 | 91 Grand | – | – | – | 18 km/h SW | 31 | – | dry | 13° | gentle breeze, dry |
| 05:00 | 91 Grand | – | – | – | 16 km/h WSW | 31 | – | dry | 13° | gentle breeze, dry |
| 06:00 | 91 Grand | – | – | – | 17 km/h WSW | 31 | – | dry | 13° | gentle breeze, dry |
| 07:00 | 91 Grand | – | – | – | 17 km/h WSW | 31 | – | dry | 13° | gentle breeze, dry |
| 08:00 | 91 Grand | – | – | – | 17 km/h SW | 30 | – | dry | 13° | gentle breeze, dry |
| 09:00 | 81 Grand | – | – | – | 21 km/h WSW | 31 | – | dry | 13° | moderate breeze, dry |
| 10:00 | 84 Grand | – | – | – | 21 km/h WSW | 33 | – | 0.1 mm | 13° | moderate breeze, dry |
| 11:00 | 84 Grand | – | – | – | 21 km/h WSW | 35 | – | 0.1 mm | 14° | moderate 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 · GrandSat, 3 Oct 11:30–12:30 · light winds, dry, sunny
🌊 Lough Nahanagan dip · GrandSun, 4 Oct 07:30–08:30 · gentle breeze, dry
🌊 Lough Nahanagan dip · GrandMon, 5 Oct 17:30–18:30 · gentle breeze, dry
Nearby spots
Score is Dipper's own blend. It rates comfort, not safety. Forecast: Met Éireann. Lake data: © OpenStreetMap contributors.