Dipper › Co. Mayo

Roonah 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.
Met Éireann Yellow yellow; Moderate warning. Rain warning for Mayo Until 12:00 Fri, 2 Oct.
Dip score now
61
Fresh · gentle breeze, rain
Wind
16 km/h
Gentle breeze, SW, gusts 58
Daylight
07:42
Sunrise. Sunset 19:15. Air 12°C.

Best dip each day

Daylight hours
Today
14:00
Grand 84/100
moderate breeze, dry · 25 km/h
☀ 07:42–19:15
Sat, 3 Oct
08:00
Grand 97/100
light winds, dry, sunny · 11 km/h
☀ 07:44–19:13
Sun, 4 Oct
10:00
Grand 84/100
moderate breeze, dry · 27 km/h
☀ 07:46–19:10
Mon, 5 Oct
19:00
Grand 82/100
gentle breeze, rain · 19 km/h
☀ 07:47–19:08
Tue, 6 Oct
19:00
Grand 91/100
gentle breeze, dry · 17 km/h
☀ 07:49–19:05
Wed, 7 Oct
10:00
Grand 83/100
gentle breeze, showers possible · 18 km/h
☀ 07:51–19:03
Thu, 8 Oct
13:00
Decent 76/100
moderate breeze, showers possible · 21 km/h
☀ 07:53–19:01

Week at a glance

Tap or drag to pick an hour. Everything below follows.
Fri 12:0061 · Freshgentle breeze · rain
Fri 2Sat 3Sun 4Mon 5Tue 6Wed 7Thu 80003060912151821Fri 09:00 · 34 BlowyFri 10:00 · 46 FreshFri 11:00 · 30 BlowyFri 12:00 · 61 FreshFri 13:00 · 76 DecentFri 14:00 · 84 GrandFri 15:00 · 84 GrandFri 16:00 · 84 GrandFri 17:00 · 84 GrandFri 18:00 · 68 DecentFri 19:00 · 65 DecentFri 20:00 · 81 Grand · nightFri 21:00 · 81 Grand · nightFri 22:00 · 81 Grand · nightFri 23:00 · 81 Grand · nightSat 00:00 · 81 Grand · nightSat 01:00 · 81 Grand · nightSat 02:00 · 84 Grand · nightSat 03:00 · 84 Grand · nightSat 04:00 · 81 Grand · nightSat 05:00 · 91 Grand · nightSat 06:00 · 91 Grand · nightSat 07:00 · 91 Grand · nightSat 08:00 · 97 GrandSat 09:00 · 91 GrandSat 10:00 · 94 GrandSat 11:00 · 94 GrandSat 12:00 · 94 GrandSat 13:00 · 94 GrandSat 14:00 · 84 GrandSat 15:00 · 84 GrandSat 16:00 · 84 GrandSat 17:00 · 84 GrandSat 18:00 · 84 GrandSat 19:00 · 84 GrandSat 20:00 · 84 Grand · nightSat 21:00 · 84 Grand · nightSat 22:00 · 68 Decent · nightSat 23:00 · 68 Decent · nightSun 00:00 · 68 Decent · nightSun 01:00 · 68 Decent · nightSun 02:00 · 68 Decent · nightSun 03:00 · 68 Decent · nightSun 04:00 · 68 Decent · nightSun 05:00 · 68 Decent · nightSun 06:00 · 60 Fresh · nightSun 07:00 · 68 Decent · nightSun 08:00 · 76 DecentSun 09:00 · 76 DecentSun 10:00 · 84 GrandSun 11:00 · 84 GrandSun 12:00 · 84 GrandSun 13:00 · 60 FreshSun 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 · 68 Decent · 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 · 72 DecentMon 13:00 · 72 DecentMon 16:00 · 76 DecentMon 19:00 · 82 GrandMon 22:00 · 82 Grand · nightTue 01:00 · 82 Grand · nightTue 04:00 · 80 Grand · nightTue 07:00 · 67 Decent · nightTue 10:00 · 73 DecentTue 13:00 · 86 GrandTue 16:00 · 84 GrandTue 19:00 · 91 GrandTue 22:00 · 97 Grand · nightWed 01:00 · 89 Grand · nightWed 04:00 · 83 Grand · nightWed 07:00 · 83 Grand · nightWed 10:00 · 83 GrandWed 13:00 · 73 DecentWed 19:00 · 73 DecentThu 01:00 · 73 Decent · nightThu 07:00 · 83 Grand · nightThu 13:00 · 76 DecentThu 19:00 · 44 Blowy

Fri, 2 Oct, 12:00

61 Fresh
  • gentle breeze
  • rain
NESWsunrisesunset16 km/h
facing unknown
Waves
–
Wind
16 km/h SW · gusts 58
Tide
–
Air
12°C · 2.0 mm rain

Meteogram

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

Hour by hour

Next 48 hours
TimeDipWavesPeriodFromWindGustTideRainAirWhy
Today
11:0030 Blowy–––35 km/h WSW71–5.1 mm13°fresh breeze, rain
12:0061 Fresh–––16 km/h SW58–2.0 mm12°gentle breeze, rain
13:0076 Decent–––28 km/h SW45–0.1 mm14°moderate breeze, showers possible
14:0084 Grand–––25 km/h W42–dry15°moderate breeze, dry
15:0084 Grand–––27 km/h W41–dry14°moderate breeze, dry
16:0084 Grand–––27 km/h W45–dry14°moderate breeze, dry
17:0084 Grand–––27 km/h W45–dry14°moderate breeze, dry
18:0068 Decent–––29 km/h W43–dry13°fresh breeze, dry
19:0065 Decent–––30 km/h W42–dry13°fresh breeze, dry, sunny
20:0081 Grand–––28 km/h W41–dry12°moderate breeze, dry, sunny
21:0081 Grand–––26 km/h W40–dry12°moderate breeze, dry
22:0081 Grand–––23 km/h W37–dry12°moderate breeze, dry
23:0081 Grand–––21 km/h W34–dry12°moderate breeze, dry
Saturday, 3 October
00:0081 Grand–––22 km/h W31–dry12°moderate breeze, dry
01:0081 Grand–––21 km/h WSW30–dry13°moderate breeze, dry
02:0084 Grand–––20 km/h WSW30–dry13°moderate breeze, dry
03:0084 Grand–––23 km/h WSW30–dry13°moderate breeze, dry
04:0081 Grand–––21 km/h WSW30–dry13°moderate breeze, dry
05:0091 Grand–––19 km/h W28–dry13°gentle breeze, dry
06:0091 Grand–––16 km/h WSW26–dry12°gentle breeze, dry, sunny
07:0091 Grand–––15 km/h WSW23–dry12°gentle breeze, dry, sunny
08:0097 Grand–––11 km/h S21–dry11°light winds, dry, sunny
09:0091 Grand–––12 km/h S21–dry12°gentle breeze, dry
10:0094 Grand–––15 km/h SSW23–dry13°gentle breeze, dry, sunny
11:0094 Grand–––18 km/h SSW27–dry14°gentle breeze, dry
12:0094 Grand–––19 km/h SSW30–dry15°gentle breeze, dry
13:0094 Grand–––19 km/h SSW33–dry15°gentle breeze, dry
14:0084 Grand–––22 km/h SSW37–dry15°moderate breeze, dry
15:0084 Grand–––24 km/h SSW40–dry15°moderate breeze, dry
16:0084 Grand–––27 km/h SSW42–dry15°moderate breeze, dry
17:0084 Grand–––28 km/h SSW43–dry15°moderate breeze, dry
18:0084 Grand–––27 km/h SSW43–dry14°moderate breeze, dry
19:0084 Grand–––28 km/h SSW42–dry14°moderate breeze, dry
20:0084 Grand–––27 km/h SSW43–dry14°moderate breeze, dry
21:0084 Grand–––28 km/h SSW45–dry15°moderate breeze, dry
22:0068 Decent–––31 km/h SSW46–dry15°fresh breeze, dry
23:0068 Decent–––31 km/h SSW48–dry15°fresh breeze, dry
Sunday, 4 October
00:0068 Decent–––30 km/h SSW48–dry15°fresh breeze, dry
01:0068 Decent–––31 km/h SSW50–0.1 mm15°fresh breeze, dry
02:0068 Decent–––30 km/h SSW50–0.1 mm15°fresh breeze, dry
03:0068 Decent–––30 km/h SSW50–0.1 mm16°fresh breeze, dry
04:0068 Decent–––31 km/h SSW50–0.1 mm16°fresh breeze, dry
05:0068 Decent–––34 km/h SSW50–0.1 mm16°fresh breeze, dry
06:0060 Fresh–––33 km/h SSW50–0.1 mm15°fresh breeze, showers possible
07:0068 Decent–––33 km/h SSW48–0.1 mm15°fresh breeze, dry
08:0076 Decent–––26 km/h SW42–0.1 mm16°moderate breeze, showers possible
09:0076 Decent–––27 km/h SW42–0.1 mm16°moderate breeze, showers possible
10:0084 Grand–––27 km/h SW43–0.1 mm16°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?

Big Dipper Sauna · Carrowniskey Beach, BigStyle Atlantic Lodge, Louisburgh · 2 km · fixed

The Wild Atlantic Sauna (Slainte Saunas) · Old Head Beach, Louisburgh · 10 km · fixed

Sweathouse (Renvyle) · Gurteen Pier, Renvyle, Connemara, Co. Galway · 15 km · fixed

Put Roonah 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
🌊 Roonah Lough dip · GrandFri, 2 Oct 13:30–14:30 · moderate breeze, dry
🌊 Roonah Lough dip · GrandSat, 3 Oct 07:30–08:30 · light winds, dry, sunny
🌊 Roonah Lough dip · GrandSun, 4 Oct 09:30–10:30 · moderate breeze, dry

Nearby spots

Carrowniskey, Louisburgh

1 km · Co. Mayo · Excellent Quality

Lough Cahasy

2 km · Co. Mayo · Not classified

Cross Lough

2 km · Co. Mayo · Not classified

Lough Laraha

2 km · Co. Mayo · Not classified

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