Castle Lough
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
73
Decent · moderate breeze, showers possible
Wind
21 km/h
Moderate breeze, SW, gusts 40
Daylight
07:36
Sunrise. Sunset 19:08. Air 12°C.
Best dip each day
Daylight hoursToday
16:00
Grand 91/100
gentle breeze, dry · 16 km/h
☀ 07:36–19:08
Sat, 3 Oct
10:00
Grand 97/100
light winds, dry, sunny · 9 km/h
☀ 07:38–19:05
Sun, 4 Oct
14:00
Grand 86/100
gentle breeze, showers possible · 19 km/h
☀ 07:40–19:03
Mon, 5 Oct
19:00
Grand 80/100
gentle breeze, rain · 16 km/h
☀ 07:41–19:00
Tue, 6 Oct
10:00
Grand 89/100
light winds, showers possible · 9 km/h
☀ 07:43–18:57
Wed, 7 Oct
13:00
Decent 78/100
gentle breeze, rain · 19 km/h
☀ 07:45–18:55
Thu, 8 Oct
13:00
Grand 83/100
gentle breeze, showers possible · 13 km/h
☀ 07:47–18:52
Week at a glance
Tap or drag to pick an hour. Everything below follows.Fri 15:0073 · Decent
Fri, 2 Oct, 15:00
73 Decent- moderate breeze
- showers possible
Waves
–
Wind
21 km/h SW · gusts 40
Tide
–
Air
12°C · 0.7 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 | ||||||||||
| 14:00 | 73 Decent | – | – | – | 19 km/h SSW | 47 | – | 1.3 mm | 12° | gentle breeze, rain |
| 15:00 | 73 Decent | – | – | – | 21 km/h SW | 40 | – | 0.7 mm | 12° | moderate breeze, showers possible |
| 16:00 | 91 Grand | – | – | – | 16 km/h SW | 37 | – | 0.1 mm | 11° | gentle breeze, dry |
| 17:00 | 91 Grand | – | – | – | 19 km/h W | 36 | – | dry | 11° | gentle breeze, dry |
| 18:00 | 81 Grand | – | – | – | 21 km/h W | 36 | – | dry | 11° | moderate breeze, dry |
| 19:00 | 91 Grand | – | – | – | 17 km/h W | 35 | – | dry | 10° | gentle breeze, dry |
| 20:00 | 91 Grand | – | – | – | 15 km/h W | 28 | – | dry | 10° | gentle breeze, dry |
| 21:00 | 91 Grand | – | – | – | 17 km/h WSW | 26 | – | dry | 10° | gentle breeze, dry |
| 22:00 | 91 Grand | – | – | – | 16 km/h W | 24 | – | dry | 10° | gentle breeze, dry |
| 23:00 | 92 Grand | – | – | – | 11 km/h WSW | 23 | – | dry | 10° | light winds, dry |
| Saturday, 3 October | ||||||||||
| 00:00 | 92 Grand | – | – | – | 10 km/h WSW | 22 | – | dry | 9° | light winds, dry |
| 01:00 | 92 Grand | – | – | – | 10 km/h SW | 21 | – | dry | 8° | light winds, dry |
| 02:00 | 92 Grand | – | – | – | 10 km/h SW | 21 | – | dry | 8° | light winds, dry |
| 03:00 | 92 Grand | – | – | – | 12 km/h SW | 21 | – | dry | 9° | light winds, dry |
| 04:00 | 86 Grand | – | – | – | 13 km/h SW | 21 | – | dry | 10° | gentle breeze, dry |
| 05:00 | 92 Grand | – | – | – | 11 km/h SW | 21 | – | dry | 10° | light winds, dry |
| 06:00 | 92 Grand | – | – | – | 9 km/h WSW | 20 | – | dry | 9° | light winds, dry |
| 07:00 | 92 Grand | – | – | – | 12 km/h WSW | 19 | – | dry | 10° | light winds, dry |
| 08:00 | 92 Grand | – | – | – | 6 km/h SW | 19 | – | dry | 9° | light winds, dry |
| 09:00 | 92 Grand | – | – | – | 5 km/h SW | 18 | – | dry | 10° | light winds, dry, sunny |
| 10:00 | 97 Grand | – | – | – | 9 km/h SW | 22 | – | dry | 11° | light winds, dry, sunny |
| 11:00 | 91 Grand | – | – | – | 14 km/h SSW | 26 | – | dry | 12° | gentle breeze, dry |
| 12:00 | 91 Grand | – | – | – | 15 km/h SSW | 27 | – | dry | 13° | gentle breeze, dry |
| 13:00 | 91 Grand | – | – | – | 18 km/h SW | 28 | – | dry | 13° | gentle breeze, dry |
| 14:00 | 94 Grand | – | – | – | 18 km/h SSW | 30 | – | dry | 14° | gentle breeze, dry, sunny |
| 15:00 | 84 Grand | – | – | – | 20 km/h SSW | 31 | – | dry | 14° | moderate breeze, dry |
| 16:00 | 94 Grand | – | – | – | 19 km/h SSW | 32 | – | dry | 14° | gentle breeze, dry |
| 17:00 | 84 Grand | – | – | – | 20 km/h SSW | 32 | – | dry | 14° | moderate breeze, dry |
| 18:00 | 84 Grand | – | – | – | 21 km/h SSW | 32 | – | dry | 13° | moderate breeze, dry |
| 19:00 | 81 Grand | – | – | – | 21 km/h SSW | 31 | – | dry | 12° | moderate breeze, dry |
| 20:00 | 81 Grand | – | – | – | 21 km/h SSW | 33 | – | dry | 12° | moderate breeze, dry |
| 21:00 | 81 Grand | – | – | – | 21 km/h SSW | 35 | – | dry | 12° | moderate breeze, dry |
| 22:00 | 81 Grand | – | – | – | 20 km/h SSW | 37 | – | dry | 12° | moderate breeze, dry |
| 23:00 | 81 Grand | – | – | – | 22 km/h SSW | 39 | – | dry | 13° | moderate breeze, dry |
| Sunday, 4 October | ||||||||||
| 00:00 | 81 Grand | – | – | – | 21 km/h SSW | 41 | – | dry | 13° | moderate breeze, dry |
| 01:00 | 84 Grand | – | – | – | 24 km/h SSW | 45 | – | dry | 13° | moderate breeze, dry |
| 02:00 | 73 Decent | – | – | – | 24 km/h SSW | 44 | – | 0.1 mm | 13° | moderate breeze, showers possible |
| 03:00 | 76 Decent | – | – | – | 24 km/h SSW | 44 | – | 0.2 mm | 13° | moderate breeze, showers possible |
| 04:00 | 76 Decent | – | – | – | 23 km/h SSW | 44 | – | 0.3 mm | 14° | moderate breeze, showers possible |
| 05:00 | 76 Decent | – | – | – | 22 km/h SSW | 44 | – | 0.3 mm | 14° | moderate breeze, showers possible |
| 06:00 | 76 Decent | – | – | – | 22 km/h SW | 44 | – | 0.3 mm | 14° | moderate breeze, showers possible |
| 07:00 | 76 Decent | – | – | – | 22 km/h SW | 43 | – | 0.2 mm | 14° | moderate breeze, showers possible |
| 08:00 | 76 Decent | – | – | – | 21 km/h SW | 42 | – | 0.2 mm | 14° | moderate breeze, showers possible |
| 09:00 | 76 Decent | – | – | – | 21 km/h SW | 42 | – | 0.2 mm | 14° | moderate breeze, showers possible |
| 10:00 | 76 Decent | – | – | – | 21 km/h SW | 42 | – | 0.2 mm | 14° | moderate breeze, showers possible |
| 11:00 | 76 Decent | – | – | – | 20 km/h SW | 43 | – | 0.2 mm | 14° | moderate breeze, showers possible |
| 12:00 | 76 Decent | – | – | – | 20 km/h SW | 44 | – | 0.1 mm | 15° | moderate breeze, showers possible |
| 13:00 | 76 Decent | – | – | – | 23 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?
Wild Atlantic Sea Sauna Dooey Beach · Dooey Beach, Lettermacaward · 15 km · fixed
Inishkeel Sauna · Narin Strand, Portnoo · 18 km · fixed
Loughros Point Sauna · Loughros Point, Ardara · 23 km · mobile
Secret Sauna · Donegal Bay coast near Mountcharles · 24 km · mobile
Put Castle Lough 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🌊 Castle Lough dip · GrandFri, 2 Oct 15:30–16:30 · gentle breeze, dry
🌊 Castle Lough dip · GrandSat, 3 Oct 09:30–10:30 · light winds, dry, sunny
🌊 Castle Lough dip · GrandSun, 4 Oct 13:30–14:30 · gentle breeze, showers possible
Nearby spots
Score is Dipper's own blend. It rates comfort, not safety. Forecast: Met Éireann. Lake data: © OpenStreetMap contributors.