Lough Nasmullon
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
60
Fresh · moderate breeze, rain
Wind
21 km/h
Moderate breeze, SSE, gusts 42
Daylight
07:35
Sunrise. Sunset 19:07. Air 13°C.
Best dip each day
Daylight hoursToday
16:00
Grand 94/100
gentle breeze, dry · 14 km/h
☀ 07:35–19:07
Sat, 3 Oct
12:00
Grand 100/100
light winds, dry · 10 km/h
☀ 07:37–19:04
Sun, 4 Oct
12:00
Grand 94/100
gentle breeze, dry · 19 km/h
☀ 07:39–19:02
Mon, 5 Oct
13:00
Grand 82/100
gentle breeze, rain · 19 km/h
☀ 07:40–18:59
Tue, 6 Oct
19:00
Grand 92/100
light winds, dry · 11 km/h
☀ 07:42–18:57
Wed, 7 Oct
10:00
Grand 92/100
light winds, dry · 12 km/h
☀ 07:44–18:55
Thu, 8 Oct
13:00
Grand 83/100
gentle breeze, showers possible · 13 km/h
☀ 07:46–18:52
Week at a glance
Tap or drag to pick an hour. Everything below follows.Fri 12:0060 · Fresh
Fri, 2 Oct, 12:00
60 Fresh- moderate breeze
- rain
Waves
–
Wind
21 km/h SSE · gusts 42
Tide
–
Air
13°C · 1.9 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 | 60 Fresh | – | – | – | 21 km/h SSE | 42 | – | 1.9 mm | 13° | moderate breeze, rain |
| 13:00 | 64 Decent | – | – | – | 19 km/h S | 44 | – | 3.5 mm | 13° | gentle breeze, rain |
| 14:00 | 67 Decent | – | – | – | 10 km/h WSW | 44 | – | 3.3 mm | 12° | light winds, rain |
| 15:00 | 76 Decent | – | – | – | 13 km/h SW | 40 | – | 0.8 mm | 12° | gentle breeze, rain |
| 16:00 | 94 Grand | – | – | – | 14 km/h SW | 41 | – | 0.1 mm | 13° | gentle breeze, dry |
| 17:00 | 91 Grand | – | – | – | 15 km/h W | 43 | – | dry | 13° | gentle breeze, dry |
| 18:00 | 91 Grand | – | – | – | 15 km/h W | 43 | – | dry | 12° | gentle breeze, dry |
| 19:00 | 91 Grand | – | – | – | 19 km/h W | 39 | – | dry | 12° | gentle breeze, dry |
| 20:00 | 91 Grand | – | – | – | 17 km/h W | 31 | – | dry | 11° | gentle breeze, dry |
| 21:00 | 91 Grand | – | – | – | 13 km/h W | 26 | – | dry | 11° | gentle breeze, dry |
| 22:00 | 91 Grand | – | – | – | 14 km/h W | 24 | – | dry | 11° | gentle breeze, dry |
| 23:00 | 86 Grand | – | – | – | 13 km/h WNW | 22 | – | dry | 10° | gentle breeze, dry |
| Saturday, 3 October | ||||||||||
| 00:00 | 92 Grand | – | – | – | 12 km/h W | 20 | – | dry | 9° | light winds, dry |
| 01:00 | 92 Grand | – | – | – | 9 km/h W | 20 | – | dry | 8° | light winds, dry |
| 02:00 | 92 Grand | – | – | – | 9 km/h SW | 19 | – | dry | 9° | light winds, dry |
| 03:00 | 92 Grand | – | – | – | 10 km/h SW | 19 | – | dry | 9° | light winds, dry |
| 04:00 | 92 Grand | – | – | – | 9 km/h SW | 20 | – | dry | 9° | light winds, dry |
| 05:00 | 92 Grand | – | – | – | 8 km/h SW | 20 | – | dry | 9° | light winds, dry |
| 06:00 | 92 Grand | – | – | – | 8 km/h SW | 20 | – | dry | 9° | light winds, dry |
| 07:00 | 92 Grand | – | – | – | 10 km/h WSW | 20 | – | dry | 10° | light winds, dry |
| 08:00 | 92 Grand | – | – | – | 8 km/h SW | 20 | – | dry | 10° | light winds, dry |
| 09:00 | 92 Grand | – | – | – | 6 km/h SSW | 19 | – | dry | 10° | light winds, dry, sunny |
| 10:00 | 97 Grand | – | – | – | 9 km/h WSW | 20 | – | dry | 11° | light winds, dry, sunny |
| 11:00 | 97 Grand | – | – | – | 10 km/h WSW | 22 | – | dry | 13° | light winds, dry |
| 12:00 | 100 Grand | – | – | – | 10 km/h SW | 24 | – | dry | 13° | light winds, dry |
| 13:00 | 100 Grand | – | – | – | 10 km/h SSW | 24 | – | dry | 14° | light winds, dry |
| 14:00 | 100 Grand | – | – | – | 10 km/h SW | 26 | – | dry | 14° | light winds, dry |
| 15:00 | 100 Grand | – | – | – | 12 km/h SSW | 27 | – | dry | 15° | light winds, dry |
| 16:00 | 94 Grand | – | – | – | 14 km/h SSW | 28 | – | dry | 15° | gentle breeze, dry |
| 17:00 | 94 Grand | – | – | – | 14 km/h SSW | 29 | – | dry | 14° | gentle breeze, dry |
| 18:00 | 94 Grand | – | – | – | 14 km/h SSW | 28 | – | dry | 14° | gentle breeze, dry |
| 19:00 | 97 Grand | – | – | – | 12 km/h SSW | 26 | – | dry | 13° | light winds, dry |
| 20:00 | 97 Grand | – | – | – | 10 km/h SSW | 23 | – | dry | 12° | light winds, dry |
| 21:00 | 91 Grand | – | – | – | 12 km/h SSW | 24 | – | dry | 12° | gentle breeze, dry |
| 22:00 | 97 Grand | – | – | – | 7 km/h SSW | 27 | – | dry | 12° | light winds, dry |
| 23:00 | 97 Grand | – | – | – | 10 km/h SSW | 30 | – | dry | 13° | light winds, dry |
| Sunday, 4 October | ||||||||||
| 00:00 | 91 Grand | – | – | – | 18 km/h SSW | 32 | – | dry | 13° | gentle breeze, dry |
| 01:00 | 81 Grand | – | – | – | 21 km/h SSW | 34 | – | dry | 13° | moderate breeze, dry |
| 02:00 | 81 Grand | – | – | – | 20 km/h SSW | 35 | – | dry | 13° | moderate breeze, dry |
| 03:00 | 91 Grand | – | – | – | 18 km/h SSW | 37 | – | 0.1 mm | 13° | gentle breeze, dry |
| 04:00 | 91 Grand | – | – | – | 19 km/h SSW | 37 | – | 0.1 mm | 13° | gentle breeze, dry |
| 05:00 | 94 Grand | – | – | – | 16 km/h SW | 38 | – | 0.1 mm | 13° | gentle breeze, dry |
| 06:00 | 86 Grand | – | – | – | 17 km/h SW | 38 | – | 0.2 mm | 13° | gentle breeze, showers possible |
| 07:00 | 86 Grand | – | – | – | 17 km/h SSW | 38 | – | 0.2 mm | 14° | gentle breeze, showers possible |
| 08:00 | 76 Decent | – | – | – | 20 km/h SW | 38 | – | 0.2 mm | 14° | moderate breeze, showers possible |
| 09:00 | 76 Decent | – | – | – | 21 km/h SW | 38 | – | 0.2 mm | 14° | moderate breeze, showers possible |
| 10:00 | 76 Decent | – | – | – | 21 km/h SW | 38 | – | 0.1 mm | 14° | moderate breeze, showers possible |
| 11:00 | 76 Decent | – | – | – | 20 km/h SW | 39 | – | 0.1 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?
OM Saunas · Rossnowlagh Beach, The Dunes · 15 km · mobile
Secret Sauna · Donegal Bay coast near Mountcharles · 16 km · mobile
Salt and Ember Sauna · Bundoran (also Creevy Pier, Rossnowlagh Beach) · 23 km · mobile
Put Lough Nasmullon 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 Nasmullon dip · GrandFri, 2 Oct 15:30–16:30 · gentle breeze, dry
🌊 Lough Nasmullon dip · GrandSat, 3 Oct 11:30–12:30 · light winds, dry
🌊 Lough Nasmullon dip · GrandSun, 4 Oct 11:30–12:30 · gentle breeze, dry
Nearby spots
Score is Dipper's own blend. It rates comfort, not safety. Forecast: Met Éireann. Lake data: © OpenStreetMap contributors.