Dipper › Co. Cavan

Grilly 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.
Surf score now
0
Grim · no wave data here
Wind
24 km/h
Moderate breeze, S, gusts 43
Daylight
07:32
Sunrise. Sunset 19:05. Air 14°C.

Best surf each day

Daylight hours, preferring low tide
Today
11:00
Grim 0/100
no wave data here · 24 km/h
☀ 07:32–19:05
Sat, 3 Oct
08:00
Grim 0/100
no wave data here · 12 km/h
☀ 07:34–19:03
Sun, 4 Oct
08:00
Grim 0/100
no wave data here · 22 km/h
☀ 07:36–19:00
Mon, 5 Oct
10:00
Grim 0/100
no wave data here · 15 km/h
☀ 07:38–18:58
Tue, 6 Oct
10:00
Grim 0/100
no wave data here · 18 km/h
☀ 07:40–18:55
Wed, 7 Oct
10:00
Grim 0/100
no wave data here · 8 km/h
☀ 07:42–18:53
Thu, 8 Oct
13:00
Grim 0/100
no wave data here · 13 km/h
☀ 07:43–18:50

Week at a glance

Tap or drag to pick an hour. Everything below follows.
Fri 11:000 · Grimno wave data here
Fri 2Sat 3Sun 4Mon 5Tue 6Wed 7Thu 80003060912151821Fri 07:00 · 0 Grim · nightFri 08:00 · 0 GrimFri 09:00 · 0 GrimFri 10:00 · 0 GrimFri 11:00 · 0 GrimFri 12:00 · 0 GrimFri 13:00 · 0 GrimFri 14:00 · 0 GrimFri 15:00 · 0 GrimFri 16:00 · 0 GrimFri 17:00 · 0 GrimFri 18:00 · 0 GrimFri 19:00 · 0 GrimFri 20:00 · 0 Grim · nightFri 21:00 · 0 Grim · nightFri 22:00 · 0 Grim · nightFri 23:00 · 0 Grim · nightSat 00:00 · 0 Grim · nightSat 01:00 · 0 Grim · nightSat 02:00 · 0 Grim · nightSat 03:00 · 0 Grim · nightSat 04:00 · 0 Grim · nightSat 05:00 · 0 Grim · nightSat 06:00 · 0 Grim · nightSat 07:00 · 0 Grim · nightSat 08:00 · 0 GrimSat 09:00 · 0 GrimSat 10:00 · 0 GrimSat 11:00 · 0 GrimSat 12:00 · 0 GrimSat 13:00 · 0 GrimSat 14:00 · 0 GrimSat 15:00 · 0 GrimSat 16:00 · 0 GrimSat 17:00 · 0 GrimSat 18:00 · 0 GrimSat 19:00 · 0 GrimSat 20:00 · 0 Grim · nightSat 21:00 · 0 Grim · nightSat 22:00 · 0 Grim · nightSat 23:00 · 0 Grim · nightSun 00:00 · 0 Grim · nightSun 01:00 · 0 Grim · nightSun 02:00 · 0 Grim · nightSun 03:00 · 0 Grim · nightSun 04:00 · 0 Grim · nightSun 05:00 · 0 Grim · nightSun 06:00 · 0 Grim · nightSun 07:00 · 0 Grim · nightSun 08:00 · 0 GrimSun 09:00 · 0 GrimSun 10:00 · 0 GrimSun 11:00 · 0 GrimSun 12:00 · 0 GrimSun 13:00 · 0 GrimSun 14:00 · 0 GrimSun 15:00 · 0 GrimSun 16:00 · 0 GrimSun 17:00 · 0 GrimSun 18:00 · 0 GrimSun 19:00 · 0 GrimSun 20:00 · 0 Grim · nightSun 21:00 · 0 Grim · nightSun 22:00 · 0 Grim · nightSun 23:00 · 0 Grim · nightMon 00:00 · 0 Grim · nightMon 01:00 · 0 Grim · nightMon 02:00 · 0 Grim · nightMon 03:00 · 0 Grim · nightMon 04:00 · 0 Grim · nightMon 05:00 · 0 Grim · nightMon 06:00 · 0 Grim · nightMon 07:00 · 0 Grim · nightMon 10:00 · 0 GrimMon 13:00 · 0 GrimMon 16:00 · 0 GrimMon 19:00 · 0 GrimMon 22:00 · 0 Grim · nightTue 01:00 · 0 Grim · nightTue 04:00 · 0 Grim · nightTue 07:00 · 0 Grim · nightTue 10:00 · 0 GrimTue 13:00 · 0 GrimTue 16:00 · 0 GrimTue 19:00 · 0 GrimTue 22:00 · 0 Grim · nightWed 01:00 · 0 Grim · nightWed 04:00 · 0 Grim · nightWed 07:00 · 0 Grim · nightWed 10:00 · 0 GrimWed 13:00 · 0 GrimWed 19:00 · 0 GrimThu 01:00 · 0 Grim · nightThu 07:00 · 0 Grim · nightThu 13:00 · 0 GrimThu 19:00 · 0 Grim

Fri, 2 Oct, 11:00

0 Grim
  • no wave data here
NESWsunrisesunset24 km/h
facing unknown
Waves
–
Wind
24 km/h S · gusts 43
Tide
–
Air
14°C · dry

Meteogram

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

Hour by hour

Next 48 hours
TimeSurfWavesPeriodFromWindGustTideRainAirWhy
Today
11:000 Grim–––24 km/h S43–dry14°no wave data here
12:000 Grim–––27 km/h S47–0.3 mm15°no wave data here
13:000 Grim–––29 km/h S49–1.4 mm15°no wave data here
14:000 Grim–––20 km/h SSW52–3.6 mm14°no wave data here
15:000 Grim–––19 km/h SSW53–2.3 mm14°no wave data here
16:000 Grim–––16 km/h SSW43–0.2 mm14°no wave data here
17:000 Grim–––14 km/h WSW38–dry15°no wave data here
18:000 Grim–––15 km/h WSW34–dry14°no wave data here
19:000 Grim–––19 km/h WNW28–dry12°no wave data here
20:000 Grim–––10 km/h WSW25–dry10°no wave data here
21:000 Grim–––10 km/h WSW20–dry9°no wave data here
22:000 Grim–––12 km/h WSW19–dry9°no wave data here
23:000 Grim–––10 km/h WSW18–dry8°no wave data here
Saturday, 3 October
00:000 Grim–––13 km/h SW18–dry7°no wave data here
01:000 Grim–––12 km/h WSW17–dry6°no wave data here
02:000 Grim–––10 km/h SW15–dry6°no wave data here
03:000 Grim–––9 km/h SSW15–dry6°no wave data here
04:000 Grim–––8 km/h S14–dry6°no wave data here
05:000 Grim–––7 km/h SSW14–dry6°no wave data here
06:000 Grim–––10 km/h SSW14–dry6°no wave data here
07:000 Grim–––10 km/h SSW14–dry6°no wave data here
08:000 Grim–––12 km/h SSW14–dry6°no wave data here
09:000 Grim–––12 km/h SSW15–dry7°no wave data here
10:000 Grim–––12 km/h SW17–dry9°no wave data here
11:000 Grim–––11 km/h SW18–dry11°no wave data here
12:000 Grim–––10 km/h SW20–dry14°no wave data here
13:000 Grim–––11 km/h SW23–dry15°no wave data here
14:000 Grim–––11 km/h SW25–dry15°no wave data here
15:000 Grim–––14 km/h SSW27–dry16°no wave data here
16:000 Grim–––14 km/h SSW28–dry16°no wave data here
17:000 Grim–––14 km/h SSW28–dry16°no wave data here
18:000 Grim–––12 km/h SSW26–dry15°no wave data here
19:000 Grim–––13 km/h SSW20–dry14°no wave data here
20:000 Grim–––13 km/h SSW20–dry13°no wave data here
21:000 Grim–––11 km/h S22–dry12°no wave data here
22:000 Grim–––13 km/h SSW26–dry12°no wave data here
23:000 Grim–––17 km/h SSW29–dry12°no wave data here
Sunday, 4 October
00:000 Grim–––19 km/h SSW32–dry12°no wave data here
01:000 Grim–––18 km/h SSW33–dry12°no wave data here
02:000 Grim–––19 km/h SSW34–dry12°no wave data here
03:000 Grim–––19 km/h SSW35–dry13°no wave data here
04:000 Grim–––19 km/h SSW35–dry13°no wave data here
05:000 Grim–––18 km/h SSW36–dry13°no wave data here
06:000 Grim–––19 km/h SSW36–dry13°no wave data here
07:000 Grim–––17 km/h SSW36–dry13°no wave data here
08:000 Grim–––22 km/h SW36–dry14°no wave data here
09:000 Grim–––21 km/h SW36–dry15°no wave data here
10:000 Grim–––21 km/h SW37–dry15°no wave data here

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?

Lough Allen Adventure Sauna · Lough Allen Adventure Centre, Ballinaglera, Co. Leitrim · 41 km · fixed

Cavetown Lake Sauna · Cavetown Lough, near Croghan, Co. Roscommon · 55 km · fixed

Nothing closer that we know of. All saunas.

Put Grilly Lough in your calendar

Dipper Plus drops the best surf 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
🏄 Grilly Lough surf · GrimFri, 2 Oct 10:30–11:30 · no wave data here
🏄 Grilly Lough surf · GrimSat, 3 Oct 07:30–08:30 · no wave data here
🏄 Grilly Lough surf · GrimSun, 4 Oct 07:30–08:30 · no wave data here

Nearby spots

Derreary Lough

1 km · Co. Cavan · Not classified

Creeny Lough

1 km · Co. Cavan · Not classified

Faharlagh Lough

1 km · Co. Cavan · Not classified

Shancorry Lough

1 km · Co. Cavan · Not classified

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