Mentrim Lake
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
76
Decent · moderate breeze, showers possible
Wind
23 km/h
Moderate breeze, WSW, gusts 43
Daylight
07:29
Sunrise. Sunset 19:02. Air 15°C.
Best dip each day
Daylight hoursToday
19:00
Grand 94/100
gentle breeze, dry · 16 km/h
☀ 07:29–19:02
Sat, 3 Oct
12:00
Grand 100/100
light winds, dry, sunny · 10 km/h
☀ 07:31–19:00
Sun, 4 Oct
08:00
Grand 91/100
gentle breeze, dry · 16 km/h
☀ 07:33–18:57
Mon, 5 Oct
18:00
Grand 94/100
gentle breeze, dry · 17 km/h
☀ 07:34–18:55
Tue, 6 Oct
16:00
Grand 100/100
light winds, dry · 11 km/h
☀ 07:36–18:52
Wed, 7 Oct
10:00
Grand 92/100
light winds, dry · 10 km/h
☀ 07:38–18:50
Thu, 8 Oct
19:00
Grand 97/100
light winds, dry · 11 km/h
☀ 07:40–18:47
Week at a glance
Tap or drag to pick an hour. Everything below follows.Fri 18:0076 · Decent
Fri, 2 Oct, 18:00
76 Decent- moderate breeze
- showers possible
Waves
–
Wind
23 km/h WSW · gusts 43
Tide
–
Air
15°C · 0.4 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 | ||||||||||
| 17:00 | 49 Fresh | – | – | – | 30 km/h SSW | 52 | – | 1.5 mm | 15° | fresh breeze, rain |
| 18:00 | 76 Decent | – | – | – | 23 km/h WSW | 43 | – | 0.4 mm | 15° | moderate breeze, showers possible |
| 19:00 | 94 Grand | – | – | – | 16 km/h SW | 34 | – | dry | 14° | gentle breeze, dry |
| 20:00 | 94 Grand | – | – | – | 18 km/h W | 28 | – | dry | 13° | gentle breeze, dry |
| 21:00 | 91 Grand | – | – | – | 13 km/h WSW | 26 | – | dry | 11° | gentle breeze, dry, sunny |
| 22:00 | 86 Grand | – | – | – | 13 km/h WSW | 24 | – | dry | 10° | gentle breeze, dry, sunny |
| 23:00 | 92 Grand | – | – | – | 12 km/h WSW | 22 | – | dry | 9° | light winds, dry, sunny |
| Saturday, 3 October | ||||||||||
| 00:00 | 92 Grand | – | – | – | 10 km/h SW | 21 | – | dry | 8° | light winds, dry |
| 01:00 | 92 Grand | – | – | – | 12 km/h SW | 19 | – | dry | 7° | light winds, dry, sunny |
| 02:00 | 92 Grand | – | – | – | 12 km/h SSW | 18 | – | dry | 6° | light winds, dry |
| 03:00 | 86 Grand | – | – | – | 12 km/h SSW | 17 | – | dry | 6° | light winds, dry |
| 04:00 | 86 Grand | – | – | – | 12 km/h SW | 17 | – | dry | 5° | light winds, dry |
| 05:00 | 80 Grand | – | – | – | 12 km/h SW | 17 | – | dry | 5° | gentle breeze, dry |
| 06:00 | 86 Grand | – | – | – | 10 km/h SSW | 17 | – | dry | 6° | light winds, dry |
| 07:00 | 86 Grand | – | – | – | 12 km/h SSW | 16 | – | dry | 6° | gentle breeze, dry |
| 08:00 | 86 Grand | – | – | – | 13 km/h SSW | 16 | – | dry | 6° | gentle breeze, dry |
| 09:00 | 86 Grand | – | – | – | 13 km/h SSW | 18 | – | dry | 7° | gentle breeze, dry, sunny |
| 10:00 | 86 Grand | – | – | – | 12 km/h SW | 20 | – | dry | 9° | gentle breeze, dry, sunny |
| 11:00 | 97 Grand | – | – | – | 11 km/h SW | 21 | – | dry | 11° | light winds, dry, sunny |
| 12:00 | 100 Grand | – | – | – | 10 km/h SW | 22 | – | dry | 14° | light winds, dry, sunny |
| 13:00 | 100 Grand | – | – | – | 10 km/h SW | 23 | – | dry | 15° | light winds, dry, sunny |
| 14:00 | 100 Grand | – | – | – | 10 km/h SW | 23 | – | dry | 16° | light winds, dry |
| 15:00 | 94 Grand | – | – | – | 12 km/h SW | 23 | – | dry | 16° | gentle breeze, dry, sunny |
| 16:00 | 100 Grand | – | – | – | 12 km/h SW | 24 | – | dry | 16° | light winds, dry, sunny |
| 17:00 | 100 Grand | – | – | – | 11 km/h SW | 23 | – | dry | 16° | light winds, dry, sunny |
| 18:00 | 100 Grand | – | – | – | 8 km/h SSW | 21 | – | dry | 15° | light winds, dry |
| 19:00 | 97 Grand | – | – | – | 8 km/h S | 14 | – | dry | 13° | light winds, dry |
| 20:00 | 97 Grand | – | – | – | 10 km/h SSE | 15 | – | dry | 11° | light winds, dry |
| 21:00 | 91 Grand | – | – | – | 13 km/h S | 18 | – | dry | 10° | gentle breeze, dry |
| 22:00 | 91 Grand | – | – | – | 14 km/h S | 23 | – | dry | 10° | gentle breeze, dry |
| 23:00 | 86 Grand | – | – | – | 17 km/h SSW | 27 | – | dry | 10° | gentle breeze, dry, sunny |
| Sunday, 4 October | ||||||||||
| 00:00 | 86 Grand | – | – | – | 16 km/h SSW | 29 | – | dry | 9° | gentle breeze, dry |
| 01:00 | 86 Grand | – | – | – | 17 km/h SSW | 31 | – | dry | 9° | gentle breeze, dry |
| 02:00 | 86 Grand | – | – | – | 18 km/h SSW | 31 | – | dry | 9° | gentle breeze, dry |
| 03:00 | 86 Grand | – | – | – | 15 km/h SSW | 32 | – | dry | 9° | gentle breeze, dry |
| 04:00 | 86 Grand | – | – | – | 16 km/h SSW | 32 | – | dry | 9° | gentle breeze, dry |
| 05:00 | 86 Grand | – | – | – | 16 km/h SSW | 33 | – | dry | 9° | gentle breeze, dry |
| 06:00 | 86 Grand | – | – | – | 16 km/h SSW | 33 | – | dry | 9° | gentle breeze, dry |
| 07:00 | 86 Grand | – | – | – | 18 km/h SSW | 33 | – | dry | 10° | gentle breeze, dry |
| 08:00 | 91 Grand | – | – | – | 16 km/h SW | 33 | – | dry | 10° | gentle breeze, dry |
| 09:00 | 91 Grand | – | – | – | 19 km/h SSW | 35 | – | dry | 11° | gentle breeze, dry |
| 10:00 | 84 Grand | – | – | – | 23 km/h SSW | 36 | – | dry | 13° | moderate breeze, dry |
| 11:00 | 84 Grand | – | – | – | 26 km/h SW | 37 | – | dry | 15° | moderate breeze, dry |
| 12:00 | 84 Grand | – | – | – | 27 km/h SW | 38 | – | dry | 16° | moderate breeze, dry |
| 13:00 | 84 Grand | – | – | – | 24 km/h SSW | 39 | – | dry | 16° | moderate breeze, dry |
| 14:00 | 84 Grand | – | – | – | 25 km/h SW | 43 | – | dry | 17° | moderate breeze, dry |
| 15:00 | 84 Grand | – | – | – | 25 km/h SW | 43 | – | dry | 18° | moderate breeze, dry |
| 16:00 | 84 Grand | – | – | – | 20 km/h SW | 40 | – | dry | 18° | moderate breeze, dry, warm air |
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 Hot Box Sauna (Carlingford) · Carlingford Marina, Carlingford Lough, Co. Louth · 37 km · fixed
The Wood Fired Sauna (Skerries) · Skerries, Co. Dublin · 44 km · fixed
Nothing closer that we know of. All saunas.
Put Mentrim Lake 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🌊 Mentrim Lake dip · GrandFri, 2 Oct 18:30–19:30 · gentle breeze, dry
🌊 Mentrim Lake dip · GrandSat, 3 Oct 11:30–12:30 · light winds, dry, sunny
🌊 Mentrim Lake dip · GrandSun, 4 Oct 07:30–08:30 · gentle breeze, dry
Nearby spots
Score is Dipper's own blend. It rates comfort, not safety. Forecast: Met Éireann. Lake data: © OpenStreetMap contributors.