Saint John's Lough
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.
Dip score now
91
Grand · gentle breeze, dry
Wind
13 km/h
Gentle breeze, WSW, gusts 27
Daylight
07:34
Sunrise. Sunset 19:07. Air 11°C.
Best dip each day
Daylight hoursToday
19:00
Grand 91/100
gentle breeze, dry, sunny · 14 km/h
☀ 07:34–19:07
Sat, 3 Oct
12:00
Grand 100/100
light winds, dry, sunny · 8 km/h
☀ 07:36–19:04
Sun, 4 Oct
08:00
Grand 97/100
light winds, dry · 11 km/h
☀ 07:38–19:02
Mon, 5 Oct
09:00
Grand 100/100
light winds, dry · 12 km/h
☀ 07:40–18:59
Tue, 6 Oct
16:00
Grand 100/100
light winds, dry · 12 km/h
☀ 07:41–18:57
Wed, 7 Oct
10:00
Grand 97/100
light winds, dry · 10 km/h
☀ 07:43–18:55
Thu, 8 Oct
13:00
Grand 97/100
light winds, dry · 10 km/h
☀ 07:45–18:52
Week at a glance
Tap or drag to pick an hour. Everything below follows.Fri 20:0091 · Grand
Fri, 2 Oct, 20:00
91 Grand- gentle breeze
- dry
- sunny
Waves
–
Wind
13 km/h WSW · gusts 27
Tide
–
Air
11°C · dry
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 | ||||||||||
| 19:00 | 91 Grand | – | – | – | 14 km/h WSW | 35 | – | dry | 13° | gentle breeze, dry, sunny |
| 20:00 | 91 Grand | – | – | – | 13 km/h WSW | 27 | – | dry | 11° | gentle breeze, dry, sunny |
| 21:00 | 92 Grand | – | – | – | 12 km/h WSW | 22 | – | dry | 9° | light winds, dry, sunny |
| 22:00 | 92 Grand | – | – | – | 9 km/h WSW | 19 | – | dry | 8° | light winds, dry, sunny |
| 23:00 | 92 Grand | – | – | – | 9 km/h SW | 18 | – | dry | 6° | light winds, dry, sunny |
| Saturday, 3 October | ||||||||||
| 00:00 | 86 Grand | – | – | – | 7 km/h WSW | 17 | – | dry | 5° | light winds, dry, sunny |
| 01:00 | 86 Grand | – | – | – | 5 km/h WNW | 16 | – | dry | 4° | light winds, dry |
| 02:00 | 86 Grand | – | – | – | 6 km/h WSW | 14 | – | dry | 4° | light winds, dry |
| 03:00 | 86 Grand | – | – | – | 6 km/h SW | 12 | – | dry | 4° | light winds, dry |
| 04:00 | 86 Grand | – | – | – | 6 km/h SW | 11 | – | dry | 4° | light winds, dry |
| 05:00 | 86 Grand | – | – | – | 6 km/h SW | 11 | – | dry | 5° | light winds, dry |
| 06:00 | 86 Grand | – | – | – | 5 km/h SSW | 11 | – | dry | 6° | light winds, dry |
| 07:00 | 86 Grand | – | – | – | 6 km/h SW | 11 | – | dry | 6° | light winds, dry |
| 08:00 | 86 Grand | – | – | – | 7 km/h SSW | 11 | – | dry | 5° | light winds, dry, sunny |
| 09:00 | 86 Grand | – | – | – | 3 km/h S | 11 | – | dry | 6° | light winds, dry, sunny |
| 10:00 | 92 Grand | – | – | – | 4 km/h SSE | 14 | – | dry | 8° | light winds, dry, sunny |
| 11:00 | 97 Grand | – | – | – | 5 km/h WSW | 17 | – | dry | 11° | light winds, dry, sunny |
| 12:00 | 100 Grand | – | – | – | 8 km/h WSW | 20 | – | dry | 13° | light winds, dry, sunny |
| 13:00 | 100 Grand | – | – | – | 7 km/h W | 22 | – | dry | 14° | light winds, dry, sunny |
| 14:00 | 100 Grand | – | – | – | 7 km/h WSW | 24 | – | dry | 15° | light winds, dry, sunny |
| 15:00 | 100 Grand | – | – | – | 8 km/h SSW | 26 | – | dry | 16° | light winds, dry |
| 16:00 | 100 Grand | – | – | – | 10 km/h SSW | 27 | – | dry | 16° | light winds, dry, sunny |
| 17:00 | 100 Grand | – | – | – | 11 km/h SSW | 27 | – | dry | 15° | light winds, dry |
| 18:00 | 100 Grand | – | – | – | 8 km/h SSW | 25 | – | dry | 14° | light winds, dry |
| 19:00 | 97 Grand | – | – | – | 6 km/h SSW | 20 | – | dry | 13° | light winds, dry |
| 20:00 | 97 Grand | – | – | – | 5 km/h S | 16 | – | dry | 11° | light winds, dry |
| 21:00 | 97 Grand | – | – | – | 6 km/h SSE | 16 | – | dry | 10° | light winds, dry |
| 22:00 | 97 Grand | – | – | – | 9 km/h SSW | 18 | – | dry | 10° | light winds, dry |
| 23:00 | 97 Grand | – | – | – | 10 km/h SSW | 21 | – | dry | 10° | light winds, dry |
| Sunday, 4 October | ||||||||||
| 00:00 | 97 Grand | – | – | – | 9 km/h SSW | 23 | – | dry | 10° | light winds, dry |
| 01:00 | 92 Grand | – | – | – | 6 km/h S | 25 | – | dry | 9° | light winds, dry |
| 02:00 | 92 Grand | – | – | – | 6 km/h S | 26 | – | dry | 9° | light winds, dry |
| 03:00 | 92 Grand | – | – | – | 7 km/h SSW | 27 | – | dry | 9° | light winds, dry |
| 04:00 | 92 Grand | – | – | – | 8 km/h SSW | 28 | – | dry | 10° | light winds, dry |
| 05:00 | 97 Grand | – | – | – | 9 km/h SSW | 30 | – | dry | 11° | light winds, dry |
| 06:00 | 97 Grand | – | – | – | 9 km/h SSW | 31 | – | 0.1 mm | 11° | light winds, dry |
| 07:00 | 97 Grand | – | – | – | 12 km/h SW | 32 | – | 0.1 mm | 11° | light winds, dry |
| 08:00 | 97 Grand | – | – | – | 11 km/h SSW | 32 | – | 0.1 mm | 12° | light winds, dry |
| 09:00 | 91 Grand | – | – | – | 13 km/h SSW | 33 | – | 0.1 mm | 12° | gentle breeze, dry |
| 10:00 | 94 Grand | – | – | – | 18 km/h SSW | 35 | – | 0.1 mm | 13° | gentle breeze, dry |
| 11:00 | 94 Grand | – | – | – | 19 km/h SSW | 36 | – | 0.1 mm | 14° | gentle breeze, dry |
| 12:00 | 84 Grand | – | – | – | 22 km/h SW | 36 | – | 0.1 mm | 15° | moderate breeze, dry |
| 13:00 | 84 Grand | – | – | – | 21 km/h SW | 37 | – | 0.1 mm | 15° | moderate breeze, dry |
| 14:00 | 84 Grand | – | – | – | 23 km/h SW | 43 | – | 0.1 mm | 16° | moderate breeze, dry |
| 15:00 | 76 Decent | – | – | – | 23 km/h SW | 43 | – | 0.1 mm | 16° | moderate breeze, showers possible |
| 16:00 | 72 Decent | – | – | – | 23 km/h SW | 41 | – | 0.3 mm | 16° | moderate breeze, rain |
| 17:00 | 84 Grand | – | – | – | 23 km/h SW | 40 | – | dry | 16° | moderate breeze, dry |
| 18:00 | 84 Grand | – | – | – | 22 km/h SW | 38 | – | 0.1 mm | 16° | 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
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 · 15 km · fixed
Cavetown Lake Sauna · Cavetown Lough, near Croghan, Co. Roscommon · 25 km · fixed
Put Saint John's 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🌊 Saint John's Lough dip · GrandFri, 2 Oct 18:30–19:30 · gentle breeze, dry, sunny
🌊 Saint John's Lough dip · GrandSat, 3 Oct 11:30–12:30 · light winds, dry, sunny
🌊 Saint John's Lough dip · GrandSun, 4 Oct 07:30–08:30 · light winds, dry
Nearby spots
Score is Dipper's own blend. It rates comfort, not safety. Forecast: Met Éireann. Lake data: © OpenStreetMap contributors.