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.
Dip score now
91
Grand · gentle breeze, dry
Wind
16 km/h
Gentle breeze, W, gusts 31
Daylight
07:38
Sunrise. Sunset 19:05. Air 11°C.

Best dip each day

Daylight hours
Today
09:00
Grand 97/100
light winds, dry · 11 km/h
☀ 07:38–19:05
Sun, 4 Oct
10:00
Decent 76/100
moderate breeze, showers possible · 27 km/h
☀ 07:40–19:02
Mon, 5 Oct
16:00
Decent 70/100
moderate breeze, rain · 28 km/h
☀ 07:42–19:00
Tue, 6 Oct
19:00
Grand 89/100
light winds, showers possible · 12 km/h
☀ 07:44–18:57
Wed, 7 Oct
10:00
Decent 79/100
gentle breeze, rain · 19 km/h
☀ 07:45–18:55
Thu, 8 Oct
13:00
Grand 83/100
gentle breeze, showers possible · 17 km/h
☀ 07:47–18:52
Fri, 9 Oct
19:00
Blowy 40/100
fresh breeze, rain · 37 km/h
☀ 07:49–18:50

Week at a glance

Tap or drag to pick an hour. Everything below follows.
Sat 00:0091 · Grandgentle breeze · dry
Sat 3Sun 4Mon 5Tue 6Wed 7Thu 8Fri 90003060912151821Sat 00:00 · 91 Grand · nightSat 01:00 · 86 Grand · nightSat 02:00 · 92 Grand · nightSat 03:00 · 97 Grand · nightSat 04:00 · 91 Grand · nightSat 05:00 · 91 Grand · nightSat 06:00 · 91 Grand · nightSat 07:00 · 91 Grand · nightSat 08:00 · 91 GrandSat 09:00 · 97 GrandSat 10:00 · 94 GrandSat 11:00 · 94 GrandSat 12:00 · 94 GrandSat 13:00 · 84 GrandSat 14:00 · 84 GrandSat 15:00 · 94 GrandSat 16:00 · 84 GrandSat 17:00 · 84 GrandSat 18:00 · 94 GrandSat 19:00 · 94 GrandSat 20:00 · 84 Grand · nightSat 21:00 · 84 Grand · nightSat 22:00 · 68 Decent · nightSat 23:00 · 68 Decent · nightSun 00:00 · 68 Decent · nightSun 01:00 · 60 Fresh · nightSun 02:00 · 60 Fresh · nightSun 03:00 · 60 Fresh · nightSun 04:00 · 52 Fresh · nightSun 05:00 · 52 Fresh · nightSun 06:00 · 52 Fresh · nightSun 07:00 · 68 Decent · nightSun 08:00 · 60 FreshSun 09:00 · 60 FreshSun 10:00 · 76 DecentSun 11:00 · 76 DecentSun 12:00 · 60 FreshSun 13:00 · 60 FreshSun 14:00 · 60 FreshSun 15:00 · 76 DecentSun 16:00 · 68 DecentSun 17:00 · 68 DecentSun 18:00 · 68 DecentSun 19:00 · 60 FreshSun 20:00 · 60 Fresh · nightSun 21:00 · 68 Decent · nightSun 22:00 · 68 Decent · nightSun 23:00 · 68 Decent · nightMon 00:00 · 68 Decent · nightMon 01:00 · 68 Decent · nightMon 02:00 · 68 Decent · nightMon 03:00 · 68 Decent · nightMon 04:00 · 68 Decent · nightMon 05:00 · 68 Decent · nightMon 06:00 · 60 Fresh · nightMon 07:00 · 60 Fresh · nightMon 10:00 · 56 FreshMon 13:00 · 54 FreshMon 16:00 · 70 DecentMon 19:00 · 69 DecentMon 22:00 · 69 Decent · nightTue 01:00 · 79 Decent · nightTue 04:00 · 66 Decent · nightTue 07:00 · 78 Decent · nightTue 10:00 · 83 GrandTue 13:00 · 83 GrandTue 16:00 · 83 GrandTue 19:00 · 89 GrandTue 22:00 · 89 Grand · nightWed 01:00 · 89 Grand · nightWed 04:00 · 89 Grand · nightWed 07:00 · 79 Decent · nightWed 10:00 · 79 DecentWed 13:00 · 69 DecentWed 19:00 · 66 DecentThu 01:00 · 69 Decent · nightThu 07:00 · 79 Decent · nightThu 13:00 · 83 GrandThu 19:00 · 73 DecentFri 01:00 · 52 Fresh · nightFri 07:00 · 27 Grim · nightFri 13:00 · 26 GrimFri 19:00 · 40 Blowy

Sat, 3 Oct, 00:00

91 Grand
  • gentle breeze
  • dry
NESWsunrisesunset16 km/h
facing unknown
Waves
–
Wind
16 km/h W · gusts 31
Tide
–
Air
11°C · dry

Meteogram

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

Hour by hour

Next 48 hours
TimeDipWavesPeriodFromWindGustTideRainAirWhy
Today
00:0091 Grand–––16 km/h W31–dry11°gentle breeze, dry
01:0086 Grand–––13 km/h WSW29–dry10°gentle breeze, dry
02:0092 Grand–––12 km/h SW27–dry10°light winds, dry
03:0097 Grand–––12 km/h SW27–dry10°light winds, dry
04:0091 Grand–––14 km/h WSW28–dry11°gentle breeze, dry
05:0091 Grand–––18 km/h WSW31–dry12°gentle breeze, dry
06:0091 Grand–––14 km/h WSW32–0.1 mm12°gentle breeze, dry
07:0091 Grand–––17 km/h WSW32–0.1 mm12°gentle breeze, dry
08:0091 Grand–––13 km/h WSW30–dry11°gentle breeze, dry
09:0097 Grand–––11 km/h SW28–dry12°light winds, dry
10:0094 Grand–––15 km/h SW28–dry13°gentle breeze, dry
11:0094 Grand–––17 km/h SW31–dry14°gentle breeze, dry
12:0094 Grand–––18 km/h SW33–dry14°gentle breeze, dry
13:0084 Grand–––20 km/h SW35–dry15°moderate breeze, dry, sunny
14:0084 Grand–––20 km/h SW36–dry15°moderate breeze, dry, sunny
15:0094 Grand–––18 km/h SW37–dry15°gentle breeze, dry
16:0084 Grand–––20 km/h SSW38–dry15°moderate breeze, dry
17:0084 Grand–––21 km/h SSW39–dry15°moderate breeze, dry
18:0094 Grand–––16 km/h SSW39–dry14°gentle breeze, dry
19:0094 Grand–––16 km/h SSW39–dry14°gentle breeze, dry
20:0084 Grand–––23 km/h SSW42–dry14°moderate breeze, dry
21:0084 Grand–––28 km/h SSW47–dry14°moderate breeze, dry
22:0068 Decent–––31 km/h SSW50–dry14°fresh breeze, dry
23:0068 Decent–––32 km/h SSW53–dry14°fresh breeze, dry
Sunday, 4 October
00:0068 Decent–––31 km/h SSW54–dry14°fresh breeze, dry
01:0060 Fresh–––33 km/h SSW55–0.1 mm14°fresh breeze, dry
02:0060 Fresh–––36 km/h SSW56–0.1 mm14°fresh breeze, dry
03:0060 Fresh–––35 km/h SSW57–0.1 mm14°fresh breeze, dry
04:0052 Fresh–––33 km/h SSW57–0.2 mm14°fresh breeze, showers possible
05:0052 Fresh–––35 km/h SSW57–0.2 mm14°fresh breeze, showers possible
06:0052 Fresh–––31 km/h SSW57–0.2 mm15°fresh breeze, showers possible
07:0068 Decent–––28 km/h SSW56–0.2 mm15°moderate breeze, showers possible
08:0060 Fresh–––31 km/h SW48–0.1 mm15°fresh breeze, showers possible
09:0060 Fresh–––31 km/h SW47–0.1 mm15°fresh breeze, showers possible
10:0076 Decent–––27 km/h SW47–0.2 mm15°moderate breeze, showers possible
11:0076 Decent–––28 km/h SW47–0.1 mm15°moderate breeze, showers possible
12:0060 Fresh–––29 km/h SW48–0.1 mm15°fresh breeze, showers possible
13:0060 Fresh–––32 km/h SW49–0.1 mm16°fresh breeze, showers possible
14:0060 Fresh–––30 km/h SW50–0.1 mm16°fresh breeze, showers possible
15:0076 Decent–––27 km/h SW50–0.1 mm16°moderate breeze, showers possible
16:0068 Decent–––33 km/h SW49–0.1 mm16°fresh breeze, dry
17:0068 Decent–––32 km/h SW49–0.1 mm15°fresh breeze, dry
18:0068 Decent–––33 km/h WSW49–0.1 mm15°fresh breeze, dry
19:0060 Fresh–––32 km/h WSW48–0.1 mm15°fresh breeze, showers possible
20:0060 Fresh–––31 km/h WSW48–0.1 mm15°fresh breeze, showers possible
21:0068 Decent–––30 km/h SW48–0.1 mm15°fresh breeze, dry
22:0068 Decent–––31 km/h WSW49–0.1 mm15°fresh breeze, dry
23:0068 Decent–––33 km/h SW50–0.1 mm15°fresh 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

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 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
🌊 Rocktown Lough dip · GrandSat, 3 Oct 08:30–09:30 · light winds, dry
🌊 Rocktown Lough dip · DecentSun, 4 Oct 09:30–10:30 · moderate breeze, showers possible
🌊 Rocktown Lough dip · DecentMon, 5 Oct 15:30–16:30 · moderate breeze, rain

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.