Lough Arrow
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
55
Fresh · moderate breeze, rain
Wind
22 km/h
Moderate breeze, S, gusts 42
Daylight
07:41
Sunrise. Sunset 19:14. Air 14°C.
Best dip each day
Daylight hoursToday
13:00
Grand 89/100
light winds, showers possible · 8 km/h
☀ 07:41–19:14
Sat, 3 Oct
14:00
Grand 100/100
light winds, dry · 12 km/h
☀ 07:42–19:11
Sun, 4 Oct
12:00
Grand 86/100
gentle breeze, showers possible · 19 km/h
☀ 07:44–19:09
Mon, 5 Oct
19:00
Grand 86/100
gentle breeze, showers possible · 15 km/h
☀ 07:46–19:06
Tue, 6 Oct
19:00
Grand 97/100
light winds, dry · 11 km/h
☀ 07:48–19:04
Wed, 7 Oct
10:00
Grand 91/100
gentle breeze, dry · 14 km/h
☀ 07:50–19:01
Thu, 8 Oct
13:00
Grand 83/100
gentle breeze, showers possible · 13 km/h
☀ 07:52–18:59
Week at a glance
Tap or drag to pick an hour. Everything below follows.Fri 10:0055 · Fresh
Fri, 2 Oct, 10:00
55 Fresh- moderate breeze
- rain
Waves
–
Wind
22 km/h S · gusts 42
Tide
–
Air
14°C · 3.1 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 | ||||||||||
| 10:00 | 55 Fresh | – | – | – | 22 km/h S | 42 | – | 3.1 mm | 14° | moderate breeze, rain |
| 11:00 | 54 Fresh | – | – | – | 21 km/h SW | 47 | – | 4.7 mm | 15° | moderate breeze, rain |
| 12:00 | 61 Fresh | – | – | – | 17 km/h SW | 51 | – | 3.4 mm | 11° | gentle breeze, rain |
| 13:00 | 89 Grand | – | – | – | 8 km/h SW | 40 | – | 0.7 mm | 12° | light winds, showers possible |
| 14:00 | 84 Grand | – | – | – | 27 km/h WSW | 39 | – | 0.1 mm | 15° | moderate breeze, dry |
| 15:00 | 84 Grand | – | – | – | 20 km/h W | 39 | – | dry | 15° | moderate breeze, dry |
| 16:00 | 84 Grand | – | – | – | 22 km/h W | 41 | – | dry | 14° | moderate breeze, dry |
| 17:00 | 84 Grand | – | – | – | 23 km/h W | 42 | – | dry | 14° | moderate breeze, dry |
| 18:00 | 84 Grand | – | – | – | 22 km/h W | 39 | – | dry | 13° | moderate breeze, dry |
| 19:00 | 81 Grand | – | – | – | 21 km/h W | 35 | – | dry | 13° | moderate breeze, dry |
| 20:00 | 91 Grand | – | – | – | 19 km/h W | 30 | – | dry | 11° | gentle breeze, dry |
| 21:00 | 91 Grand | – | – | – | 15 km/h W | 25 | – | dry | 11° | gentle breeze, dry |
| 22:00 | 92 Grand | – | – | – | 10 km/h WNW | 22 | – | dry | 9° | light winds, dry, sunny |
| 23:00 | 92 Grand | – | – | – | 4 km/h NNW | 18 | – | dry | 8° | light winds, dry |
| Saturday, 3 October | ||||||||||
| 00:00 | 92 Grand | – | – | – | 2 km/h E | 17 | – | dry | 6° | light winds, dry |
| 01:00 | 92 Grand | – | – | – | 4 km/h W | 16 | – | dry | 6° | light winds, dry |
| 02:00 | 92 Grand | – | – | – | 11 km/h WSW | 17 | – | dry | 9° | light winds, dry |
| 03:00 | 97 Grand | – | – | – | 11 km/h WSW | 18 | – | dry | 11° | light winds, dry |
| 04:00 | 91 Grand | – | – | – | 14 km/h WSW | 18 | – | dry | 12° | gentle breeze, dry |
| 05:00 | 91 Grand | – | – | – | 17 km/h W | 17 | – | dry | 13° | gentle breeze, dry |
| 06:00 | 97 Grand | – | – | – | 10 km/h WSW | 16 | – | dry | 11° | light winds, dry |
| 07:00 | 92 Grand | – | – | – | 4 km/h SSE | 14 | – | dry | 10° | light winds, dry |
| 08:00 | 92 Grand | – | – | – | 7 km/h SE | 13 | – | dry | 8° | light winds, dry, sunny |
| 09:00 | 92 Grand | – | – | – | 6 km/h SSE | 13 | – | dry | 8° | light winds, dry |
| 10:00 | 97 Grand | – | – | – | 7 km/h S | 15 | – | dry | 12° | light winds, dry |
| 11:00 | 94 Grand | – | – | – | 15 km/h SW | 21 | – | dry | 14° | gentle breeze, dry, sunny |
| 12:00 | 94 Grand | – | – | – | 15 km/h WSW | 24 | – | dry | 15° | gentle breeze, dry |
| 13:00 | 94 Grand | – | – | – | 14 km/h WSW | 25 | – | dry | 15° | gentle breeze, dry, sunny |
| 14:00 | 100 Grand | – | – | – | 12 km/h SW | 28 | – | dry | 16° | light winds, dry |
| 15:00 | 94 Grand | – | – | – | 14 km/h SW | 30 | – | dry | 16° | gentle breeze, dry |
| 16:00 | 94 Grand | – | – | – | 18 km/h SSW | 31 | – | dry | 16° | gentle breeze, dry |
| 17:00 | 94 Grand | – | – | – | 18 km/h SSW | 31 | – | dry | 15° | gentle breeze, dry |
| 18:00 | 94 Grand | – | – | – | 13 km/h SSW | 28 | – | dry | 14° | gentle breeze, dry |
| 19:00 | 100 Grand | – | – | – | 11 km/h S | 26 | – | dry | 13° | light winds, dry |
| 20:00 | 97 Grand | – | – | – | 8 km/h SSW | 25 | – | dry | 13° | light winds, dry |
| 21:00 | 97 Grand | – | – | – | 9 km/h SSE | 26 | – | dry | 13° | light winds, dry |
| 22:00 | 100 Grand | – | – | – | 11 km/h S | 29 | – | dry | 13° | light winds, dry |
| 23:00 | 94 Grand | – | – | – | 18 km/h SSW | 32 | – | dry | 14° | gentle breeze, dry |
| Sunday, 4 October | ||||||||||
| 00:00 | 94 Grand | – | – | – | 18 km/h SSW | 35 | – | dry | 15° | gentle breeze, dry |
| 01:00 | 94 Grand | – | – | – | 18 km/h SSW | 37 | – | dry | 15° | gentle breeze, dry |
| 02:00 | 94 Grand | – | – | – | 19 km/h SSW | 40 | – | 0.1 mm | 15° | gentle breeze, dry |
| 03:00 | 94 Grand | – | – | – | 19 km/h SW | 40 | – | 0.1 mm | 16° | gentle breeze, dry |
| 04:00 | 94 Grand | – | – | – | 18 km/h SSW | 41 | – | 0.1 mm | 16° | gentle breeze, dry |
| 05:00 | 84 Grand | – | – | – | 21 km/h SSW | 42 | – | 0.1 mm | 16° | moderate breeze, dry |
| 06:00 | 84 Grand | – | – | – | 22 km/h SW | 43 | – | 0.1 mm | 16° | moderate breeze, dry |
| 07:00 | 84 Grand | – | – | – | 24 km/h SW | 42 | – | 0.1 mm | 16° | moderate breeze, dry |
| 08:00 | 76 Decent | – | – | – | 22 km/h WSW | 38 | – | 0.1 mm | 15° | moderate breeze, showers possible |
| 09:00 | 76 Decent | – | – | – | 21 km/h SW | 38 | – | 0.1 mm | 15° | 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
Access, parking and swimming areas are not recorded for this lake. Respect private land.
Sauna after?
The Wild Atlantic Sauna (Slainte Saunas) · Old Head Beach, Louisburgh · 20 km · fixed
Big Dipper Sauna · Carrowniskey Beach, BigStyle Atlantic Lodge, Louisburgh · 32 km · fixed
Put Lough Arrow 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 Arrow dip · GrandFri, 2 Oct 12:30–13:30 · light winds, showers possible
🌊 Lough Arrow dip · GrandSat, 3 Oct 13:30–14:30 · light winds, dry
🌊 Lough Arrow dip · GrandSun, 4 Oct 11:30–12:30 · gentle breeze, showers possible
Nearby spots
Score is Dipper's own blend. It rates comfort, not safety. Forecast: Met Éireann. Lake data: © OpenStreetMap contributors.