Dipper › Co. Cavan

Killyran Big Lough

Monitored, not designated

Any tidePrefer highPrefer low
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
94
Grand · gentle breeze, dry
Wind
19 km/h
Gentle breeze, S, gusts 38
Daylight
07:33
Sunrise. Sunset 19:06. Air 14°C.

Best dip each day

Daylight hours
Today
10:00
Grand 94/100
gentle breeze, dry · 19 km/h
☀ 07:33–19:06
Sat, 3 Oct
13:00
Grand 100/100
light winds, dry, sunny · 11 km/h
☀ 07:35–19:04
Sun, 4 Oct
18:00
Grand 94/100
gentle breeze, dry · 19 km/h
☀ 07:37–19:01
Mon, 5 Oct
19:00
Grand 100/100
light winds, dry · 11 km/h
☀ 07:39–18:59
Tue, 6 Oct
16:00
Grand 100/100
light winds, dry · 12 km/h
☀ 07:41–18:56
Wed, 7 Oct
10:00
Grand 97/100
light winds, dry · 10 km/h
☀ 07:43–18:54
Thu, 8 Oct
13:00
Grand 91/100
gentle breeze, dry · 13 km/h
☀ 07:44–18:51

Week at a glance

Tap or drag to pick an hour. Everything below follows.
Fri 10:0094 · Grandgentle breeze · dry
Fri 2Sat 3Sun 4Mon 5Tue 6Wed 7Thu 80003060912151821Fri 09:00 · 91 GrandFri 10:00 · 94 GrandFri 11:00 · 84 GrandFri 12:00 · 70 DecentFri 13:00 · 60 FreshFri 14:00 · 38 BlowyFri 15:00 · 76 DecentFri 16:00 · 94 GrandFri 17:00 · 94 GrandFri 18:00 · 94 GrandFri 19:00 · 91 GrandFri 20:00 · 97 Grand · nightFri 21:00 · 86 Grand · nightFri 22:00 · 92 Grand · nightFri 23:00 · 92 Grand · nightSat 00:00 · 86 Grand · nightSat 01:00 · 92 Grand · nightSat 02:00 · 86 Grand · nightSat 03:00 · 86 Grand · nightSat 04:00 · 86 Grand · nightSat 05:00 · 92 Grand · nightSat 06:00 · 86 Grand · nightSat 07:00 · 86 Grand · nightSat 08:00 · 86 GrandSat 09:00 · 92 GrandSat 10:00 · 92 GrandSat 11:00 · 97 GrandSat 12:00 · 97 GrandSat 13:00 · 100 GrandSat 14:00 · 100 GrandSat 15:00 · 94 GrandSat 16:00 · 94 GrandSat 17:00 · 94 GrandSat 18:00 · 100 GrandSat 19:00 · 100 GrandSat 20:00 · 97 Grand · nightSat 21:00 · 97 Grand · nightSat 22:00 · 97 Grand · nightSat 23:00 · 97 Grand · nightSun 00:00 · 97 Grand · nightSun 01:00 · 91 Grand · nightSun 02:00 · 91 Grand · nightSun 03:00 · 91 Grand · nightSun 04:00 · 91 Grand · nightSun 05:00 · 91 Grand · nightSun 06:00 · 94 Grand · nightSun 07:00 · 94 Grand · nightSun 08:00 · 84 GrandSun 09:00 · 84 GrandSun 10:00 · 84 GrandSun 11:00 · 84 GrandSun 12:00 · 84 GrandSun 13:00 · 84 GrandSun 14:00 · 84 GrandSun 15:00 · 84 GrandSun 16:00 · 84 GrandSun 17:00 · 84 GrandSun 18:00 · 94 GrandSun 19:00 · 84 GrandSun 20:00 · 84 Grand · nightSun 21:00 · 84 Grand · nightSun 22:00 · 84 Grand · nightSun 23:00 · 84 Grand · nightMon 00:00 · 84 Grand · nightMon 01:00 · 84 Grand · nightMon 02:00 · 84 Grand · nightMon 03:00 · 84 Grand · nightMon 04:00 · 94 Grand · nightMon 05:00 · 84 Grand · nightMon 06:00 · 84 Grand · nightMon 07:00 · 84 Grand · nightMon 10:00 · 94 GrandMon 13:00 · 86 GrandMon 16:00 · 86 GrandMon 19:00 · 100 GrandMon 22:00 · 94 Grand · nightTue 01:00 · 86 Grand · nightTue 04:00 · 86 Grand · nightTue 07:00 · 86 Grand · nightTue 10:00 · 83 GrandTue 13:00 · 86 GrandTue 16:00 · 100 GrandTue 19:00 · 91 GrandTue 22:00 · 92 Grand · nightWed 01:00 · 92 Grand · nightWed 04:00 · 92 Grand · nightWed 07:00 · 92 Grand · nightWed 10:00 · 97 GrandWed 13:00 · 83 GrandWed 19:00 · 84 GrandThu 01:00 · 86 Grand · nightThu 07:00 · 92 Grand · nightThu 13:00 · 91 GrandThu 19:00 · 73 Decent

Fri, 2 Oct, 10:00

94 Grand
  • gentle breeze
  • dry
NESWsunrisesunset19 km/h
facing unknown
Waves
–
Wind
19 km/h S · gusts 38
Tide
–
Air
14°C · dry

Meteogram

Score, waves, wind (green offshore, amber cross, red onshore), rain and air, tide

Hour by hour

Next 48 hours
TimeDipWavesPeriodFromWindGustTideRainAirWhy
Today
09:0091 Grand–––17 km/h S31–dry13°gentle breeze, dry
10:0094 Grand–––19 km/h S38–dry14°gentle breeze, dry
11:0084 Grand–––25 km/h S44–0.1 mm14°moderate breeze, dry
12:0070 Decent–––26 km/h S47–0.6 mm14°moderate breeze, rain
13:0060 Fresh–––25 km/h S50–2.3 mm14°moderate breeze, rain
14:0038 Blowy–––32 km/h SSW54–4.5 mm15°fresh breeze, rain
15:0076 Decent–––14 km/h SSW50–1.3 mm14°gentle breeze, rain
16:0094 Grand–––15 km/h WSW41–0.1 mm14°gentle breeze, dry
17:0094 Grand–––15 km/h WSW38–dry15°gentle breeze, dry
18:0094 Grand–––12 km/h WSW33–dry14°gentle breeze, dry
19:0091 Grand–––13 km/h W31–dry12°gentle breeze, dry, sunny
20:0097 Grand–––11 km/h WSW25–dry10°light winds, dry, sunny
21:0086 Grand–––16 km/h WSW19–dry10°gentle breeze, dry
22:0092 Grand–––9 km/h WSW18–dry8°light winds, dry, sunny
23:0092 Grand–––12 km/h WSW18–dry7°light winds, dry, sunny
Saturday, 3 October
00:0086 Grand–––14 km/h WSW17–dry7°gentle breeze, dry
01:0092 Grand–––11 km/h WSW16–dry6°light winds, dry
02:0086 Grand–––11 km/h WSW14–dry6°light winds, dry
03:0086 Grand–––9 km/h SW14–dry6°light winds, dry
04:0086 Grand–––7 km/h SW13–dry6°light winds, dry
05:0092 Grand–––8 km/h SW13–dry6°light winds, dry
06:0086 Grand–––11 km/h SW13–dry6°light winds, dry
07:0086 Grand–––10 km/h SW14–dry5°light winds, dry, sunny
08:0086 Grand–––12 km/h SW14–dry5°light winds, dry, sunny
09:0092 Grand–––9 km/h SW13–dry6°light winds, dry, sunny
10:0092 Grand–––11 km/h SW15–dry9°light winds, dry, sunny
11:0097 Grand–––10 km/h SW17–dry11°light winds, dry, sunny
12:0097 Grand–––10 km/h SW20–dry13°light winds, dry
13:00100 Grand–––11 km/h SW23–dry15°light winds, dry, sunny
14:00100 Grand–––12 km/h SW26–dry15°light winds, dry, sunny
15:0094 Grand–––14 km/h SSW28–dry16°gentle breeze, dry
16:0094 Grand–––14 km/h SSW29–dry16°gentle breeze, dry
17:0094 Grand–––15 km/h SSW29–dry15°gentle breeze, dry
18:00100 Grand–––11 km/h SSW27–dry15°light winds, dry
19:00100 Grand–––11 km/h S21–dry13°light winds, dry
20:0097 Grand–––11 km/h SSW19–dry13°light winds, dry
21:0097 Grand–––12 km/h SSW21–dry12°light winds, dry
22:0097 Grand–––11 km/h SW23–dry12°light winds, dry
23:0097 Grand–––11 km/h SSW26–dry12°light winds, dry
Sunday, 4 October
00:0097 Grand–––9 km/h SW28–dry11°light winds, dry
01:0091 Grand–––14 km/h SSW30–dry12°gentle breeze, dry
02:0091 Grand–––19 km/h SSW31–dry12°gentle breeze, dry
03:0091 Grand–––17 km/h SSW32–dry12°gentle breeze, dry
04:0091 Grand–––17 km/h SSW33–0.1 mm13°gentle breeze, dry
05:0091 Grand–––15 km/h SSW34–0.1 mm13°gentle breeze, dry
06:0094 Grand–––18 km/h SSW35–0.1 mm13°gentle breeze, dry
07:0094 Grand–––17 km/h SSW36–0.1 mm13°gentle breeze, dry
08:0084 Grand–––22 km/h SW36–dry15°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

Open in Maps · OpenStreetMap

Access, parking and swimming areas are not recorded for this lake. Respect private land.

Sauna after?

Lough Allen Adventure Sauna · Lough Allen Adventure Centre, Ballinaglera, Co. Leitrim · 24 km · fixed

Cavetown Lake Sauna · Cavetown Lough, near Croghan, Co. Roscommon · 37 km · fixed

Put Killyran Big 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
🌊 Killyran Big Lough dip · GrandFri, 2 Oct 09:30–10:30 · gentle breeze, dry
🌊 Killyran Big Lough dip · GrandSat, 3 Oct 12:30–13:30 · light winds, dry, sunny
🌊 Killyran Big Lough dip · GrandSun, 4 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.