Derry 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.
Met Éireann Yellow yellow; Moderate warning. Rain warning for Mayo Until 12:00 Fri, 2 Oct.
Dip score now
54
Fresh · moderate breeze, rain
Wind
26 km/h
Moderate breeze, SSW, gusts 54
Daylight
07:38
Sunrise. Sunset 19:11. Air 14°C.
Best dip each day
Daylight hours, preferring high tideToday
15:00
Grand 94/100
gentle breeze, dry · 18 km/h
☀ 07:38–19:11
Sat, 3 Oct
11:00
Grand 97/100
light winds, dry, sunny · 10 km/h
☀ 07:40–19:09
Sun, 4 Oct
09:00
Grand 94/100
gentle breeze, dry · 19 km/h
☀ 07:42–19:06
Mon, 5 Oct
10:00
Grand 94/100
gentle breeze, dry · 16 km/h
☀ 07:44–19:04
Tue, 6 Oct
13:00
Grand 91/100
gentle breeze, dry · 15 km/h
☀ 07:45–19:02
Wed, 7 Oct
10:00
Grand 97/100
light winds, dry · 9 km/h
☀ 07:47–18:59
Thu, 8 Oct
13:00
Grand 91/100
gentle breeze, dry · 16 km/h
☀ 07:49–18:57
Week at a glance
Tap or drag to pick an hour. Everything below follows.Fri 12:0054 · Fresh
Fri, 2 Oct, 12:00
54 Fresh- moderate breeze
- rain
Waves
–
Wind
26 km/h SSW · gusts 54
Tide
–
Air
14°C · 3.9 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 | ||||||||||
| 11:00 | 60 Fresh | – | – | – | 28 km/h S | 50 | – | 2.3 mm | 13° | moderate breeze, rain |
| 12:00 | 54 Fresh | – | – | – | 26 km/h SSW | 54 | – | 3.9 mm | 14° | moderate breeze, rain |
| 13:00 | 38 Blowy | – | – | – | 33 km/h SSW | 51 | – | 4.5 mm | 15° | fresh breeze, rain |
| 14:00 | 86 Grand | – | – | – | 18 km/h SW | 41 | – | 0.6 mm | 13° | gentle breeze, showers possible |
| 15:00 | 94 Grand | – | – | – | 18 km/h SW | 37 | – | dry | 15° | gentle breeze, dry |
| 16:00 | 84 Grand | – | – | – | 21 km/h W | 36 | – | dry | 14° | moderate breeze, dry |
| 17:00 | 84 Grand | – | – | – | 22 km/h W | 37 | – | dry | 14° | moderate breeze, dry |
| 18:00 | 91 Grand | – | – | – | 19 km/h W | 36 | – | dry | 13° | gentle breeze, dry |
| 19:00 | 91 Grand | – | – | – | 17 km/h W | 30 | – | dry | 12° | gentle breeze, dry, sunny |
| 20:00 | 86 Grand | – | – | – | 15 km/h WSW | 21 | – | dry | 10° | gentle breeze, dry, sunny |
| 21:00 | 86 Grand | – | – | – | 13 km/h WSW | 18 | – | dry | 9° | gentle breeze, dry |
| 22:00 | 92 Grand | – | – | – | 11 km/h WSW | 16 | – | dry | 8° | light winds, dry, sunny |
| 23:00 | 92 Grand | – | – | – | 11 km/h WSW | 14 | – | dry | 7° | light winds, dry |
| Saturday, 3 October | ||||||||||
| 00:00 | 86 Grand | – | – | – | 10 km/h SSW | 13 | – | dry | 6° | light winds, dry |
| 01:00 | 86 Grand | – | – | – | 9 km/h SSW | 13 | – | dry | 5° | light winds, dry |
| 02:00 | 86 Grand | – | – | – | 10 km/h SSW | 14 | – | dry | 5° | light winds, dry |
| 03:00 | 92 Grand | – | – | – | 10 km/h S | 14 | – | dry | 7° | light winds, dry |
| 04:00 | 92 Grand | – | – | – | 9 km/h SSW | 13 | – | dry | 7° | light winds, dry |
| 05:00 | 92 Grand | – | – | – | 8 km/h SSW | 13 | – | dry | 7° | light winds, dry |
| 06:00 | 92 Grand | – | – | – | 9 km/h S | 12 | – | dry | 6° | light winds, dry, sunny |
| 07:00 | 86 Grand | – | – | – | 9 km/h S | 12 | – | dry | 5° | light winds, dry, sunny |
| 08:00 | 86 Grand | – | – | – | 10 km/h S | 13 | – | dry | 5° | light winds, dry, sunny |
| 09:00 | 92 Grand | – | – | – | 9 km/h S | 13 | – | dry | 6° | light winds, dry, sunny |
| 10:00 | 92 Grand | – | – | – | 8 km/h S | 14 | – | dry | 10° | light winds, dry |
| 11:00 | 97 Grand | – | – | – | 10 km/h SSW | 18 | – | dry | 13° | light winds, dry, sunny |
| 12:00 | 94 Grand | – | – | – | 14 km/h SW | 23 | – | dry | 14° | gentle breeze, dry, sunny |
| 13:00 | 94 Grand | – | – | – | 13 km/h SSW | 26 | – | dry | 15° | gentle breeze, dry |
| 14:00 | 94 Grand | – | – | – | 15 km/h SSW | 30 | – | dry | 16° | gentle breeze, dry |
| 15:00 | 94 Grand | – | – | – | 17 km/h SSW | 32 | – | dry | 16° | gentle breeze, dry |
| 16:00 | 94 Grand | – | – | – | 19 km/h SSW | 33 | – | dry | 15° | gentle breeze, dry |
| 17:00 | 94 Grand | – | – | – | 18 km/h SSW | 32 | – | dry | 15° | gentle breeze, dry |
| 18:00 | 94 Grand | – | – | – | 12 km/h SSW | 29 | – | dry | 14° | gentle breeze, dry |
| 19:00 | 97 Grand | – | – | – | 12 km/h S | 23 | – | dry | 13° | light winds, dry |
| 20:00 | 97 Grand | – | – | – | 12 km/h S | 22 | – | dry | 12° | light winds, dry |
| 21:00 | 97 Grand | – | – | – | 11 km/h S | 25 | – | dry | 12° | light winds, dry |
| 22:00 | 97 Grand | – | – | – | 12 km/h S | 28 | – | dry | 12° | light winds, dry |
| 23:00 | 97 Grand | – | – | – | 11 km/h S | 31 | – | dry | 12° | light winds, dry |
| Sunday, 4 October | ||||||||||
| 00:00 | 91 Grand | – | – | – | 17 km/h S | 33 | – | dry | 13° | gentle breeze, dry |
| 01:00 | 94 Grand | – | – | – | 18 km/h SSW | 35 | – | 0.1 mm | 13° | gentle breeze, dry |
| 02:00 | 94 Grand | – | – | – | 18 km/h S | 37 | – | 0.1 mm | 13° | gentle breeze, dry |
| 03:00 | 94 Grand | – | – | – | 18 km/h SSW | 38 | – | 0.1 mm | 13° | gentle breeze, dry |
| 04:00 | 94 Grand | – | – | – | 17 km/h SSW | 38 | – | 0.1 mm | 14° | gentle breeze, dry |
| 05:00 | 94 Grand | – | – | – | 17 km/h SSW | 39 | – | 0.1 mm | 14° | gentle breeze, dry |
| 06:00 | 84 Grand | – | – | – | 23 km/h SSW | 39 | – | 0.1 mm | 15° | moderate breeze, dry |
| 07:00 | 84 Grand | – | – | – | 23 km/h SW | 38 | – | 0.1 mm | 15° | moderate breeze, dry |
| 08:00 | 84 Grand | – | – | – | 20 km/h SW | 35 | – | dry | 15° | moderate breeze, dry |
| 09:00 | 94 Grand | – | – | – | 19 km/h SW | 35 | – | dry | 15° | gentle breeze, dry |
| 10:00 | 84 Grand | – | – | – | 21 km/h SW | 36 | – | dry | 15° | 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?
West Coast Sauna Co. (Enniscrone) · Enniscrone Pier, Cliff Road, Co. Sligo · 51 km · mobile
Cavetown Lake Sauna · Cavetown Lough, near Croghan, Co. Roscommon · 52 km · fixed
Nothing closer that we know of. All saunas.
Put Derry 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🌊 Derry Lough dip · GrandFri, 2 Oct 14:30–15:30 · gentle breeze, dry
🌊 Derry Lough dip · GrandSat, 3 Oct 10:30–11:30 · light winds, dry, sunny
🌊 Derry Lough dip · GrandSun, 4 Oct 08:30–09:30 · gentle breeze, dry
Nearby spots
Score is Dipper's own blend. It rates comfort, not safety. Forecast: Met Éireann. Lake data: © OpenStreetMap contributors.