Lough Altmanus
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
81
Grand · moderate breeze, dry
Wind
23 km/h
Moderate breeze, SSE, gusts 41
Daylight
07:36
Sunrise. Sunset 19:08. Air 11°C.
Best dip each day
Daylight hoursToday
17:00
Grand 91/100
gentle breeze, dry · 18 km/h
☀ 07:36–19:08
Sat, 3 Oct
10:00
Grand 97/100
light winds, dry, sunny · 10 km/h
☀ 07:38–19:05
Sun, 4 Oct
08:00
Decent 76/100
moderate breeze, showers possible · 23 km/h
☀ 07:40–19:03
Mon, 5 Oct
19:00
Decent 76/100
gentle breeze, rain · 19 km/h
☀ 07:42–19:00
Tue, 6 Oct
10:00
Grand 89/100
light winds, showers possible · 11 km/h
☀ 07:44–18:57
Wed, 7 Oct
13:00
Decent 79/100
gentle breeze, rain · 19 km/h
☀ 07:45–18:55
Thu, 8 Oct
13:00
Grand 83/100
gentle breeze, showers possible · 14 km/h
☀ 07:47–18:52
Week at a glance
Tap or drag to pick an hour. Everything below follows.Fri 07:0081 · Grand
Fri, 2 Oct, 07:00
81 Grand- moderate breeze
- dry
Waves
–
Wind
23 km/h SSE · gusts 41
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 | ||||||||||
| 07:00 | 81 Grand | – | – | – | 23 km/h SSE | 41 | – | dry | 11° | moderate breeze, dry |
| 08:00 | 81 Grand | – | – | – | 26 km/h S | 41 | – | dry | 11° | moderate breeze, dry |
| 09:00 | 73 Decent | – | – | – | 27 km/h SSE | 43 | – | 0.3 mm | 11° | moderate breeze, showers possible |
| 10:00 | 51 Fresh | – | – | – | 29 km/h S | 46 | – | 0.7 mm | 11° | fresh breeze, rain |
| 11:00 | 45 Fresh | – | – | – | 29 km/h S | 47 | – | 1.7 mm | 12° | fresh breeze, rain |
| 12:00 | 71 Decent | – | – | – | 11 km/h S | 47 | – | 2.7 mm | 12° | light winds, rain |
| 13:00 | 58 Fresh | – | – | – | 21 km/h S | 47 | – | 2.1 mm | 12° | moderate breeze, rain |
| 14:00 | 64 Decent | – | – | – | 20 km/h SSW | 44 | – | 1.2 mm | 11° | moderate breeze, rain |
| 15:00 | 73 Decent | – | – | – | 22 km/h SW | 39 | – | 0.8 mm | 11° | moderate breeze, showers possible |
| 16:00 | 83 Grand | – | – | – | 16 km/h WSW | 36 | – | 0.1 mm | 11° | gentle breeze, showers possible |
| 17:00 | 91 Grand | – | – | – | 18 km/h W | 38 | – | dry | 11° | gentle breeze, dry |
| 18:00 | 81 Grand | – | – | – | 26 km/h W | 37 | – | dry | 10° | moderate breeze, dry |
| 19:00 | 86 Grand | – | – | – | 19 km/h W | 36 | – | dry | 10° | gentle breeze, dry |
| 20:00 | 86 Grand | – | – | – | 15 km/h W | 30 | – | dry | 9° | gentle breeze, dry |
| 21:00 | 76 Decent | – | – | – | 21 km/h W | 27 | – | dry | 10° | moderate breeze, dry |
| 22:00 | 76 Decent | – | – | – | 21 km/h W | 24 | – | dry | 10° | moderate breeze, dry |
| 23:00 | 86 Grand | – | – | – | 15 km/h W | 23 | – | dry | 9° | gentle breeze, dry |
| Saturday, 3 October | ||||||||||
| 00:00 | 86 Grand | – | – | – | 14 km/h W | 21 | – | dry | 8° | gentle breeze, dry |
| 01:00 | 86 Grand | – | – | – | 13 km/h W | 20 | – | dry | 9° | gentle breeze, dry |
| 02:00 | 92 Grand | – | – | – | 9 km/h SW | 19 | – | dry | 8° | light winds, dry |
| 03:00 | 92 Grand | – | – | – | 6 km/h SW | 19 | – | dry | 8° | light winds, dry |
| 04:00 | 86 Grand | – | – | – | 16 km/h W | 19 | – | dry | 9° | gentle breeze, dry |
| 05:00 | 76 Decent | – | – | – | 24 km/h W | 19 | – | dry | 10° | moderate breeze, dry |
| 06:00 | 86 Grand | – | – | – | 16 km/h W | 19 | – | dry | 9° | gentle breeze, dry |
| 07:00 | 86 Grand | – | – | – | 15 km/h WSW | 18 | – | dry | 9° | gentle breeze, dry |
| 08:00 | 92 Grand | – | – | – | 8 km/h SW | 17 | – | dry | 9° | light winds, dry |
| 09:00 | 92 Grand | – | – | – | 5 km/h SSW | 16 | – | dry | 9° | light winds, dry |
| 10:00 | 97 Grand | – | – | – | 10 km/h SSW | 20 | – | dry | 10° | light winds, dry, sunny |
| 11:00 | 91 Grand | – | – | – | 15 km/h SSW | 26 | – | dry | 11° | gentle breeze, dry |
| 12:00 | 91 Grand | – | – | – | 18 km/h SSW | 28 | – | dry | 12° | gentle breeze, dry |
| 13:00 | 81 Grand | – | – | – | 20 km/h SSW | 29 | – | dry | 12° | moderate breeze, dry |
| 14:00 | 94 Grand | – | – | – | 19 km/h SSW | 31 | – | dry | 13° | gentle breeze, dry, sunny |
| 15:00 | 84 Grand | – | – | – | 22 km/h SSW | 32 | – | dry | 13° | moderate breeze, dry |
| 16:00 | 84 Grand | – | – | – | 21 km/h SSW | 32 | – | dry | 13° | moderate breeze, dry |
| 17:00 | 81 Grand | – | – | – | 23 km/h SSW | 31 | – | dry | 13° | moderate breeze, dry |
| 18:00 | 81 Grand | – | – | – | 23 km/h SSW | 31 | – | dry | 12° | moderate breeze, dry |
| 19:00 | 81 Grand | – | – | – | 22 km/h S | 28 | – | dry | 12° | moderate breeze, dry |
| 20:00 | 81 Grand | – | – | – | 20 km/h S | 29 | – | dry | 12° | moderate breeze, dry |
| 21:00 | 81 Grand | – | – | – | 20 km/h S | 32 | – | dry | 12° | moderate breeze, dry |
| 22:00 | 81 Grand | – | – | – | 22 km/h S | 35 | – | dry | 12° | moderate breeze, dry |
| 23:00 | 81 Grand | – | – | – | 22 km/h SSW | 37 | – | dry | 12° | moderate breeze, dry |
| Sunday, 4 October | ||||||||||
| 00:00 | 81 Grand | – | – | – | 23 km/h SSW | 40 | – | dry | 12° | moderate breeze, dry |
| 01:00 | 81 Grand | – | – | – | 27 km/h SSW | 42 | – | dry | 13° | moderate breeze, dry |
| 02:00 | 73 Decent | – | – | – | 27 km/h SSW | 47 | – | 0.1 mm | 13° | moderate breeze, showers possible |
| 03:00 | 73 Decent | – | – | – | 27 km/h SSW | 47 | – | 0.2 mm | 13° | moderate breeze, showers possible |
| 04:00 | 76 Decent | – | – | – | 26 km/h SSW | 46 | – | 0.3 mm | 13° | moderate breeze, showers possible |
| 05:00 | 72 Decent | – | – | – | 25 km/h SW | 46 | – | 0.3 mm | 13° | moderate breeze, rain |
| 06:00 | 76 Decent | – | – | – | 24 km/h SW | 46 | – | 0.2 mm | 13° | 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?
Wild Atlantic Sea Sauna Dooey Beach · Dooey Beach, Lettermacaward · 16 km · fixed
Inishkeel Sauna · Narin Strand, Portnoo · 21 km · fixed
Loughros Point Sauna · Loughros Point, Ardara · 29 km · mobile
Cocoon Sauna · Portnablagh Pier, Dunfanaghy · 29 km · fixed
Put Lough Altmanus 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 Altmanus dip · GrandFri, 2 Oct 16:30–17:30 · gentle breeze, dry
🌊 Lough Altmanus dip · GrandSat, 3 Oct 09:30–10:30 · light winds, dry, sunny
🌊 Lough Altmanus dip · DecentSun, 4 Oct 07:30–08:30 · moderate breeze, showers possible
Nearby spots
Score is Dipper's own blend. It rates comfort, not safety. Forecast: Met Éireann. Lake data: © OpenStreetMap contributors.