Dipper › Co. Galway

Derrydoo Lough

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
84
Grand · moderate breeze, dry
Wind
22 km/h
Moderate breeze, S, gusts 33
Daylight
07:37
Sunrise. Sunset 19:10. Air 13°C.

Best dip each day

Daylight hours, preferring low tide
Today
16:00
Grand 94/100
gentle breeze, dry · 19 km/h
☀ 07:37–19:10
Sat, 3 Oct
11:00
Grand 100/100
light winds, dry · 10 km/h
☀ 07:38–19:08
Sun, 4 Oct
08:00
Grand 84/100
moderate breeze, dry · 22 km/h
☀ 07:40–19:05
Mon, 5 Oct
13:00
Decent 76/100
moderate breeze, showers possible · 28 km/h
☀ 07:42–19:03
Tue, 6 Oct
16:00
Grand 100/100
light winds, dry · 11 km/h
☀ 07:44–19:00
Wed, 7 Oct
10:00
Grand 92/100
light winds, dry · 9 km/h
☀ 07:45–18:58
Thu, 8 Oct
13:00
Grand 91/100
gentle breeze, dry · 14 km/h
☀ 07:47–18:56

Week at a glance

Tap or drag to pick an hour. Everything below follows.
Fri 09:0084 · Grandmoderate breeze · dry
Fri 2Sat 3Sun 4Mon 5Tue 6Wed 7Thu 80003060912151821Fri 05:00 · 91 Grand · nightFri 06:00 · 91 Grand · nightFri 07:00 · 91 Grand · nightFri 08:00 · 91 GrandFri 09:00 · 84 GrandFri 10:00 · 84 GrandFri 11:00 · 76 DecentFri 12:00 · 67 DecentFri 13:00 · 38 BlowyFri 14:00 · 54 FreshFri 15:00 · 86 GrandFri 16:00 · 94 GrandFri 17:00 · 94 GrandFri 18:00 · 94 GrandFri 19:00 · 91 GrandFri 20:00 · 92 Grand · nightFri 21:00 · 92 Grand · nightFri 22:00 · 92 Grand · nightFri 23:00 · 92 Grand · nightSat 00:00 · 86 Grand · nightSat 01:00 · 86 Grand · nightSat 02:00 · 86 Grand · nightSat 03:00 · 92 Grand · nightSat 04:00 · 92 Grand · nightSat 05:00 · 92 Grand · nightSat 06:00 · 92 Grand · nightSat 07:00 · 86 Grand · nightSat 08:00 · 86 GrandSat 09:00 · 92 GrandSat 10:00 · 92 GrandSat 11:00 · 100 GrandSat 12:00 · 100 GrandSat 13:00 · 94 GrandSat 14:00 · 94 GrandSat 15:00 · 94 GrandSat 16:00 · 94 GrandSat 17:00 · 94 GrandSat 18:00 · 100 GrandSat 19:00 · 100 GrandSat 20:00 · 94 Grand · nightSat 21:00 · 97 Grand · nightSat 22:00 · 97 Grand · nightSat 23:00 · 94 Grand · nightSun 00:00 · 94 Grand · nightSun 01:00 · 84 Grand · nightSun 02:00 · 84 Grand · nightSun 03:00 · 84 Grand · nightSun 04:00 · 84 Grand · nightSun 05:00 · 84 Grand · nightSun 06:00 · 84 Grand · nightSun 07:00 · 84 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 · 84 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 · 68 Decent · nightMon 05:00 · 68 Decent · nightMon 06:00 · 84 Grand · nightMon 07:00 · 84 Grand · nightMon 10:00 · 60 FreshMon 13:00 · 76 DecentMon 16:00 · 76 DecentMon 19:00 · 76 DecentMon 22:00 · 94 Grand · nightTue 01:00 · 86 Grand · nightTue 04:00 · 86 Grand · nightTue 07:00 · 76 Decent · nightTue 10:00 · 83 GrandTue 13:00 · 86 GrandTue 16:00 · 100 GrandTue 19:00 · 91 GrandTue 22:00 · 86 Grand · nightWed 01:00 · 86 Grand · nightWed 04:00 · 92 Grand · nightWed 07:00 · 92 Grand · nightWed 10:00 · 92 GrandWed 13:00 · 91 GrandWed 19:00 · 78 DecentThu 01:00 · 86 Grand · nightThu 07:00 · 92 Grand · nightThu 13:00 · 91 GrandThu 19:00 · 73 Decent

Fri, 2 Oct, 09:00

84 Grand
  • moderate breeze
  • dry
NESWsunrisesunset22 km/h
facing unknown
Waves
–
Wind
22 km/h S · gusts 33
Tide
–
Air
13°C · dry

Meteogram

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

Hour by hour

Next 48 hours
TimeDipWavesPeriodFromWindGustTideRainAirWhy
Today
08:0091 Grand–––18 km/h S28–dry12°gentle breeze, dry
09:0084 Grand–––22 km/h S33–dry13°moderate breeze, dry
10:0084 Grand–––23 km/h S39–dry14°moderate breeze, dry
11:0076 Decent–––24 km/h S44–0.4 mm14°moderate breeze, showers possible
12:0067 Decent–––27 km/h S47–1.1 mm14°moderate breeze, rain
13:0038 Blowy–––29 km/h SSW51–3.7 mm14°fresh breeze, rain
14:0054 Fresh–––24 km/h WSW50–3.9 mm14°moderate breeze, rain
15:0086 Grand–––17 km/h SW43–0.7 mm13°gentle breeze, showers possible
16:0094 Grand–––19 km/h WSW38–dry14°gentle breeze, dry
17:0094 Grand–––17 km/h W34–dry14°gentle breeze, dry
18:0094 Grand–––18 km/h W31–dry13°gentle breeze, dry
19:0091 Grand–––14 km/h W28–dry12°gentle breeze, dry
20:0092 Grand–––10 km/h WSW20–dry10°light winds, dry, sunny
21:0092 Grand–––11 km/h W15–dry9°light winds, dry, sunny
22:0092 Grand–––9 km/h W13–dry7°light winds, dry
23:0092 Grand–––6 km/h SW13–dry6°light winds, dry, sunny
Saturday, 3 October
00:0086 Grand–––6 km/h S12–dry5°light winds, dry
01:0086 Grand–––7 km/h SSW11–dry5°light winds, dry
02:0086 Grand–––8 km/h SW10–dry6°light winds, dry
03:0092 Grand–––5 km/h SSW9–dry6°light winds, dry
04:0092 Grand–––5 km/h SSE9–dry7°light winds, dry
05:0092 Grand–––5 km/h SSE9–dry7°light winds, dry
06:0092 Grand–––5 km/h S10–dry6°light winds, dry
07:0086 Grand–––5 km/h S10–dry6°light winds, dry, sunny
08:0086 Grand–––6 km/h S10–dry5°light winds, dry, sunny
09:0092 Grand–––5 km/h SE10–dry6°light winds, dry, sunny
10:0092 Grand–––6 km/h S13–dry10°light winds, dry, sunny
11:00100 Grand–––10 km/h SSW17–dry13°light winds, dry
12:00100 Grand–––12 km/h SSW20–dry14°light winds, dry
13:0094 Grand–––12 km/h S22–dry15°gentle breeze, dry
14:0094 Grand–––15 km/h SSW23–dry15°gentle breeze, dry, sunny
15:0094 Grand–––16 km/h SSW24–dry16°gentle breeze, dry
16:0094 Grand–––16 km/h SSW24–dry16°gentle breeze, dry
17:0094 Grand–––13 km/h SSW23–dry15°gentle breeze, dry
18:00100 Grand–––9 km/h S21–dry15°light winds, dry
19:00100 Grand–––11 km/h S17–dry14°light winds, dry
20:0094 Grand–––12 km/h S19–dry13°gentle breeze, dry
21:0097 Grand–––10 km/h S21–dry13°light winds, dry
22:0097 Grand–––11 km/h S24–dry13°light winds, dry
23:0094 Grand–––17 km/h SSW27–dry14°gentle breeze, dry
Sunday, 4 October
00:0094 Grand–––19 km/h SSW28–dry14°gentle breeze, dry
01:0084 Grand–––20 km/h SSW30–dry14°moderate breeze, dry
02:0084 Grand–––21 km/h SSW33–dry14°moderate breeze, dry
03:0084 Grand–––22 km/h SSW33–dry14°moderate breeze, dry
04:0084 Grand–––22 km/h SSW34–dry14°moderate breeze, dry
05:0084 Grand–––22 km/h SSW34–0.1 mm14°moderate breeze, dry
06:0084 Grand–––24 km/h SW34–0.1 mm15°moderate breeze, dry
07:0084 Grand–––24 km/h SW33–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?

Sauna Fiain · Renville Pier, Oranmore · 28 km · fixed

Fad Saoil Saunas (Salthill) · Salthill promenade · 37 km · fixed

Put Derrydoo 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
🌊 Derrydoo Lough dip · GrandFri, 2 Oct 15:30–16:30 · gentle breeze, dry
🌊 Derrydoo Lough dip · GrandSat, 3 Oct 10:30–11:30 · light winds, dry
🌊 Derrydoo Lough dip · GrandSun, 4 Oct 07:30–08:30 · moderate breeze, dry

Nearby spots

Wood Lough

1 km · Co. Galway · Not classified

Shanballymore Lough

5 km · Co. Galway · Not classified

Lough Doo

5 km · Co. Galway · Not classified

Lough Tee

5 km · Co. Galway · Not classified

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