Dipper › Co. Donegal

Lough Boy

Monitored, not designated

🌊 Dip🏄 Surf
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
91
Grand · gentle breeze, dry
Wind
13 km/h
Gentle breeze, SSW, gusts 42
Daylight
07:34
Sunrise. Sunset 19:06. Air 12°C.

Best dip each day

Daylight hours, preferring high tide
Today
16:00
Grand 91/100
gentle breeze, dry · 13 km/h
☀ 07:34–19:06
Sat, 3 Oct
13:00
Grand 100/100
light winds, dry · 12 km/h
☀ 07:36–19:04
Sun, 4 Oct
08:00
Decent 76/100
moderate breeze, showers possible · 21 km/h
☀ 07:38–19:01
Mon, 5 Oct
19:00
Grand 86/100
gentle breeze, showers possible · 15 km/h
☀ 07:40–18:59
Tue, 6 Oct
19:00
Grand 92/100
light winds, dry · 9 km/h
☀ 07:42–18:56
Wed, 7 Oct
10:00
Grand 92/100
light winds, dry · 12 km/h
☀ 07:44–18:54
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 16:0091 · Grandgentle breeze · dry
Fri 2Sat 3Sun 4Mon 5Tue 6Wed 7Thu 80003060912151821Fri 09:00 · 91 GrandFri 10:00 · 91 GrandFri 11:00 · 77 DecentFri 12:00 · 67 DecentFri 13:00 · 61 FreshFri 14:00 · 61 FreshFri 15:00 · 74 DecentFri 16:00 · 91 GrandFri 17:00 · 91 GrandFri 18:00 · 91 GrandFri 19:00 · 91 GrandFri 20:00 · 91 Grand · nightFri 21:00 · 92 Grand · nightFri 22:00 · 92 Grand · nightFri 23:00 · 92 Grand · nightSat 00:00 · 92 Grand · nightSat 01:00 · 92 Grand · nightSat 02:00 · 92 Grand · nightSat 03:00 · 92 Grand · nightSat 04:00 · 92 Grand · nightSat 05:00 · 92 Grand · nightSat 06:00 · 92 Grand · nightSat 07:00 · 92 Grand · nightSat 08:00 · 92 GrandSat 09:00 · 92 GrandSat 10:00 · 97 GrandSat 11:00 · 91 GrandSat 12:00 · 97 GrandSat 13:00 · 100 GrandSat 14:00 · 100 GrandSat 15:00 · 100 GrandSat 16:00 · 94 GrandSat 17:00 · 94 GrandSat 18:00 · 94 GrandSat 19:00 · 91 GrandSat 20:00 · 91 Grand · nightSat 21:00 · 91 Grand · nightSat 22:00 · 91 Grand · nightSat 23:00 · 97 Grand · nightSun 00:00 · 91 Grand · nightSun 01:00 · 91 Grand · nightSun 02:00 · 91 Grand · nightSun 03:00 · 91 Grand · nightSun 04:00 · 83 Grand · nightSun 05:00 · 83 Grand · nightSun 06:00 · 86 Grand · nightSun 07:00 · 86 Grand · nightSun 08:00 · 76 DecentSun 09:00 · 76 DecentSun 10:00 · 76 DecentSun 11:00 · 76 DecentSun 12:00 · 76 DecentSun 13:00 · 76 DecentSun 14:00 · 76 DecentSun 15:00 · 76 DecentSun 16:00 · 76 DecentSun 17:00 · 76 DecentSun 18:00 · 76 DecentSun 19:00 · 76 DecentSun 20:00 · 76 Decent · nightSun 21:00 · 76 Decent · nightSun 22:00 · 86 Grand · nightSun 23:00 · 76 Decent · nightMon 00:00 · 76 Decent · nightMon 01:00 · 84 Grand · nightMon 02:00 · 84 Grand · nightMon 03:00 · 84 Grand · nightMon 04:00 · 84 Grand · nightMon 05:00 · 84 Grand · nightMon 06:00 · 84 Grand · nightMon 07:00 · 81 Grand · nightMon 10:00 · 72 DecentMon 13:00 · 72 DecentMon 16:00 · 82 GrandMon 19:00 · 86 GrandMon 22:00 · 86 Grand · nightTue 01:00 · 79 Decent · nightTue 04:00 · 78 Decent · nightTue 07:00 · 79 Decent · nightTue 10:00 · 89 GrandTue 13:00 · 89 GrandTue 16:00 · 83 GrandTue 19:00 · 92 GrandTue 22:00 · 92 Grand · nightWed 01:00 · 92 Grand · nightWed 04:00 · 92 Grand · nightWed 07:00 · 92 Grand · nightWed 10:00 · 92 GrandWed 13:00 · 83 GrandWed 19:00 · 74 DecentThu 01:00 · 78 Decent · nightThu 07:00 · 92 Grand · nightThu 13:00 · 83 GrandThu 19:00 · 68 Decent

Fri, 2 Oct, 16:00

91 Grand
  • gentle breeze
  • dry
NESWsunrisesunset13 km/h
facing unknown
Waves
–
Wind
13 km/h SSW · gusts 42
Tide
–
Air
12°C · 0.1 mm rain

Meteogram

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

Hour by hour

Next 48 hours
TimeDipWavesPeriodFromWindGustTideRainAirWhy
Today
15:0074 Decent–––12 km/h SW42–1.2 mm12°gentle breeze, rain
16:0091 Grand–––13 km/h SSW42–0.1 mm12°gentle breeze, dry
17:0091 Grand–––15 km/h WSW44–dry12°gentle breeze, dry
18:0091 Grand–––13 km/h W42–dry12°gentle breeze, dry
19:0091 Grand–––14 km/h WSW37–dry11°gentle breeze, dry
20:0091 Grand–––12 km/h W30–dry10°gentle breeze, dry
21:0092 Grand–––9 km/h W24–dry9°light winds, dry, sunny
22:0092 Grand–––10 km/h WSW22–dry9°light winds, dry, sunny
23:0092 Grand–––10 km/h WSW21–dry8°light winds, dry, sunny
Saturday, 3 October
00:0092 Grand–––9 km/h W19–dry8°light winds, dry
01:0092 Grand–––8 km/h WSW19–dry8°light winds, dry
02:0092 Grand–––8 km/h SW18–dry8°light winds, dry
03:0092 Grand–––9 km/h SW19–dry8°light winds, dry
04:0092 Grand–––11 km/h SW20–dry9°light winds, dry
05:0092 Grand–––12 km/h SW21–dry9°light winds, dry
06:0092 Grand–––9 km/h SW22–dry9°light winds, dry
07:0092 Grand–––7 km/h SW21–dry9°light winds, dry
08:0092 Grand–––9 km/h SW21–dry10°light winds, dry
09:0092 Grand–––10 km/h WSW19–dry10°light winds, dry, sunny
10:0097 Grand–––12 km/h WSW20–dry11°light winds, dry, sunny
11:0091 Grand–––13 km/h WSW23–dry12°gentle breeze, dry
12:0097 Grand–––12 km/h WSW25–dry13°light winds, dry
13:00100 Grand–––12 km/h SW27–dry14°light winds, dry
14:00100 Grand–––10 km/h SW28–dry14°light winds, dry, sunny
15:00100 Grand–––11 km/h SSW30–dry15°light winds, dry
16:0094 Grand–––13 km/h SSW31–dry15°gentle breeze, dry
17:0094 Grand–––13 km/h SSW31–dry14°gentle breeze, dry
18:0094 Grand–––14 km/h SSW31–dry14°gentle breeze, dry
19:0091 Grand–––14 km/h SSW29–dry13°gentle breeze, dry
20:0091 Grand–––13 km/h SSW27–dry12°gentle breeze, dry
21:0091 Grand–––13 km/h SSW27–dry12°gentle breeze, dry
22:0091 Grand–––12 km/h SSW29–dry12°gentle breeze, dry
23:0097 Grand–––11 km/h SSW31–dry12°light winds, dry
Sunday, 4 October
00:0091 Grand–––13 km/h SSW33–dry13°gentle breeze, dry
01:0091 Grand–––16 km/h SSW35–dry13°gentle breeze, dry
02:0091 Grand–––17 km/h SSW36–0.1 mm12°gentle breeze, dry
03:0091 Grand–––18 km/h SSW38–0.1 mm12°gentle breeze, dry
04:0083 Grand–––19 km/h SSW40–0.2 mm13°gentle breeze, showers possible
05:0083 Grand–––17 km/h SW40–0.2 mm13°gentle breeze, showers possible
06:0086 Grand–––17 km/h SW41–0.2 mm13°gentle breeze, showers possible
07:0086 Grand–––18 km/h SW42–0.2 mm14°gentle breeze, showers possible
08:0076 Decent–––21 km/h SW38–0.2 mm14°moderate breeze, showers possible
09:0076 Decent–––20 km/h SW38–0.2 mm14°moderate breeze, showers possible
10:0076 Decent–––20 km/h SW38–0.1 mm14°moderate breeze, showers possible
11:0076 Decent–––21 km/h SW39–0.2 mm14°moderate breeze, showers possible
12:0076 Decent–––20 km/h SW41–0.1 mm15°moderate breeze, showers possible
13:0076 Decent–––22 km/h SW42–0.2 mm15°moderate breeze, showers possible
14:0076 Decent–––20 km/h SW43–0.2 mm15°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

Open in Maps · OpenStreetMap

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

Sauna after?

Secret Sauna · Donegal Bay coast near Mountcharles · 22 km · mobile

OM Saunas · Rossnowlagh Beach, The Dunes · 24 km · mobile

Put Lough Boy 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 Boy dip · GrandFri, 2 Oct 15:30–16:30 · gentle breeze, dry
🌊 Lough Boy dip · GrandSat, 3 Oct 12:30–13:30 · light winds, dry
🌊 Lough Boy dip · DecentSun, 4 Oct 07:30–08:30 · moderate breeze, showers possible

Nearby spots

Mur Lough

3 km · Co. Donegal · Not classified

Lough Derg

3 km · Co. Donegal · Not classified

Lough Binna

3 km · Co. Donegal · Not classified

Lough Nadun

4 km · Co. Donegal · Not classified

Score is Dipper's own blend. It rates comfort, not safety. Forecast: Met Éireann. Lake data: © OpenStreetMap contributors.