Dipper › Co. Donegal

Rocktown 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
13 km/h
Gentle breeze, WSW, gusts 29
Daylight
07:38
Sunrise. Sunset 19:05. Air 10°C.

Best surf each day

Daylight hours
Today
08:00
Grim 0/100
no wave data here · 13 km/h
☀ 07:38–19:05
Sun, 4 Oct
08:00
Grim 0/100
no wave data here · 31 km/h
☀ 07:40–19:02
Mon, 5 Oct
10:00
Grim 0/100
no wave data here · 29 km/h
☀ 07:42–19:00
Tue, 6 Oct
10:00
Grim 0/100
no wave data here · 12 km/h
☀ 07:44–18:57
Wed, 7 Oct
10:00
Grim 0/100
no wave data here · 19 km/h
☀ 07:45–18:55
Thu, 8 Oct
13:00
Grim 0/100
no wave data here · 17 km/h
☀ 07:47–18:52
Fri, 9 Oct
13:00
Grim 0/100
no wave data here · 41 km/h
☀ 07:49–18:50

Week at a glance

Tap or drag to pick an hour. Everything below follows.
Sat 01:000 · Grimno wave data here
Sat 3Sun 4Mon 5Tue 6Wed 7Thu 8Fri 90003060912151821Sat 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 GrimFri 01:00 · 0 Grim · nightFri 07:00 · 0 Grim · nightFri 13:00 · 0 GrimFri 19:00 · 0 Grim

Sat, 3 Oct, 01:00

0 Grim
  • no wave data here
NESWsunrisesunset13 km/h
facing unknown
Waves
–
Wind
13 km/h WSW · gusts 29
Tide
–
Air
10°C · dry

Meteogram

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

Hour by hour

Next 48 hours
TimeSurfWavesPeriodFromWindGustTideRainAirWhy
Today
00:000 Grim–––16 km/h W31–dry11°no wave data here
01:000 Grim–––13 km/h WSW29–dry10°no wave data here
02:000 Grim–––12 km/h SW27–dry10°no wave data here
03:000 Grim–––12 km/h SW27–dry10°no wave data here
04:000 Grim–––14 km/h WSW28–dry11°no wave data here
05:000 Grim–––18 km/h WSW31–dry12°no wave data here
06:000 Grim–––14 km/h WSW32–0.1 mm12°no wave data here
07:000 Grim–––17 km/h WSW32–0.1 mm12°no wave data here
08:000 Grim–––13 km/h WSW30–dry11°no wave data here
09:000 Grim–––11 km/h SW28–dry12°no wave data here
10:000 Grim–––15 km/h SW28–dry13°no wave data here
11:000 Grim–––17 km/h SW31–dry14°no wave data here
12:000 Grim–––18 km/h SW33–dry14°no wave data here
13:000 Grim–––20 km/h SW35–dry15°no wave data here
14:000 Grim–––20 km/h SW36–dry15°no wave data here
15:000 Grim–––18 km/h SW37–dry15°no wave data here
16:000 Grim–––20 km/h SSW38–dry15°no wave data here
17:000 Grim–––21 km/h SSW39–dry15°no wave data here
18:000 Grim–––16 km/h SSW39–dry14°no wave data here
19:000 Grim–––16 km/h SSW39–dry14°no wave data here
20:000 Grim–––23 km/h SSW42–dry14°no wave data here
21:000 Grim–––28 km/h SSW47–dry14°no wave data here
22:000 Grim–––31 km/h SSW50–dry14°no wave data here
23:000 Grim–––32 km/h SSW53–dry14°no wave data here
Sunday, 4 October
00:000 Grim–––31 km/h SSW54–dry14°no wave data here
01:000 Grim–––33 km/h SSW55–0.1 mm14°no wave data here
02:000 Grim–––36 km/h SSW56–0.1 mm14°no wave data here
03:000 Grim–––35 km/h SSW57–0.1 mm14°no wave data here
04:000 Grim–––33 km/h SSW57–0.2 mm14°no wave data here
05:000 Grim–––35 km/h SSW57–0.2 mm14°no wave data here
06:000 Grim–––31 km/h SSW57–0.2 mm15°no wave data here
07:000 Grim–––28 km/h SSW56–0.2 mm15°no wave data here
08:000 Grim–––31 km/h SW48–0.1 mm15°no wave data here
09:000 Grim–––31 km/h SW47–0.1 mm15°no wave data here
10:000 Grim–––27 km/h SW47–0.2 mm15°no wave data here
11:000 Grim–––28 km/h SW47–0.1 mm15°no wave data here
12:000 Grim–––29 km/h SW48–0.1 mm15°no wave data here
13:000 Grim–––32 km/h SW49–0.1 mm16°no wave data here
14:000 Grim–––30 km/h SW50–0.1 mm16°no wave data here
15:000 Grim–––27 km/h SW50–0.1 mm16°no wave data here
16:000 Grim–––33 km/h SW49–0.1 mm16°no wave data here
17:000 Grim–––32 km/h SW49–0.1 mm15°no wave data here
18:000 Grim–––33 km/h WSW49–0.1 mm15°no wave data here
19:000 Grim–––32 km/h WSW48–0.1 mm15°no wave data here
20:000 Grim–––31 km/h WSW48–0.1 mm15°no wave data here
21:000 Grim–––30 km/h SW48–0.1 mm15°no wave data here
22:000 Grim–––31 km/h WSW49–0.1 mm15°no wave data here
23:000 Grim–––33 km/h SW50–0.1 mm15°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?

Cocoon Sauna · Portnablagh Pier, Dunfanaghy · 16 km · fixed

itSaunatrailer · The Wee Beach, Marble Hill, Dunfanaghy · 18 km · fixed

Put Rocktown 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
🏄 Rocktown Lough surf · GrimSat, 3 Oct 07:30–08:30 · no wave data here
🏄 Rocktown Lough surf · GrimSun, 4 Oct 07:30–08:30 · no wave data here
🏄 Rocktown Lough surf · GrimMon, 5 Oct 09:30–10:30 · no wave data here

Nearby spots

Lough Herwainan

1 km · Co. Donegal · Not classified

Lough Lagha

3 km · Co. Donegal · Not classified

Cashelnagor Lough

3 km · Co. Donegal · Not classified

Loughnasteckan

4 km · Co. Donegal · Not classified

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