Dipper › Co. Donegal

Lough Alcahan

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
76
Decent · moderate breeze, dry
Wind
22 km/h
Moderate breeze, W, gusts 38
Daylight
07:35
Sunrise. Sunset 19:07. Air 9°C.

Best dip each day

Daylight hours, preferring low tide
Today
Daylight's done for today.
☀ 07:35–19:07
Sat, 3 Oct
14:00
Grand 94/100
gentle breeze, dry, sunny · 17 km/h
☀ 07:37–19:04
Sun, 4 Oct
13:00
Decent 76/100
moderate breeze, showers possible · 28 km/h
☀ 07:39–19:02
Mon, 5 Oct
09:00
Grand 84/100
moderate breeze, dry · 26 km/h
☀ 07:41–18:59
Tue, 6 Oct
10:00
Grand 89/100
light winds, showers possible · 11 km/h
☀ 07:43–18:57
Wed, 7 Oct
13:00
Decent 79/100
gentle breeze, rain · 19 km/h
☀ 07:45–18:54
Thu, 8 Oct
13:00
Grand 89/100
light winds, showers possible · 9 km/h
☀ 07:47–18:52

Week at a glance

Tap or drag to pick an hour. Everything below follows.
Fri 22:0076 · Decentmoderate breeze · dry
Fri 2Sat 3Sun 4Mon 5Tue 6Wed 7Thu 80003060912151821Fri 21:00 · 76 Decent · nightFri 22:00 · 76 Decent · nightFri 23:00 · 86 Grand · nightSat 00:00 · 86 Grand · nightSat 01:00 · 86 Grand · nightSat 02:00 · 86 Grand · nightSat 03:00 · 86 Grand · nightSat 04:00 · 86 Grand · nightSat 05:00 · 86 Grand · nightSat 06:00 · 86 Grand · nightSat 07:00 · 86 Grand · nightSat 08:00 · 86 GrandSat 09:00 · 76 DecentSat 10:00 · 91 GrandSat 11:00 · 81 GrandSat 12:00 · 91 GrandSat 13:00 · 91 GrandSat 14:00 · 94 GrandSat 15:00 · 94 GrandSat 16:00 · 94 GrandSat 17:00 · 81 GrandSat 18:00 · 91 GrandSat 19:00 · 91 GrandSat 20:00 · 81 Grand · nightSat 21:00 · 81 Grand · nightSat 22:00 · 81 Grand · nightSat 23:00 · 81 Grand · nightSun 00:00 · 65 Decent · nightSun 01:00 · 65 Decent · nightSun 02:00 · 65 Decent · nightSun 03:00 · 65 Decent · nightSun 04:00 · 65 Decent · nightSun 05:00 · 65 Decent · nightSun 06:00 · 65 Decent · nightSun 07:00 · 65 Decent · nightSun 08:00 · 68 DecentSun 09:00 · 60 FreshSun 10:00 · 60 FreshSun 11:00 · 60 FreshSun 12:00 · 60 FreshSun 13:00 · 76 DecentSun 14:00 · 60 FreshSun 15:00 · 60 FreshSun 16:00 · 60 FreshSun 17:00 · 60 FreshSun 18:00 · 60 FreshSun 19:00 · 60 FreshSun 20:00 · 84 Grand · nightSun 21:00 · 84 Grand · nightSun 22:00 · 76 Decent · nightSun 23:00 · 76 Decent · nightMon 00:00 · 84 Grand · nightMon 01:00 · 81 Grand · nightMon 02:00 · 94 Grand · nightMon 03:00 · 76 Decent · nightMon 04:00 · 76 Decent · nightMon 05:00 · 84 Grand · nightMon 06:00 · 84 Grand · nightMon 07:00 · 81 Grand · nightMon 08:00 · 81 GrandMon 09:00 · 84 GrandMon 10:00 · 84 GrandMon 11:00 · 84 GrandMon 12:00 · 76 DecentMon 13:00 · 76 DecentMon 14:00 · 76 DecentMon 15:00 · 76 DecentMon 16:00 · 72 DecentMon 17:00 · 72 DecentMon 18:00 · 72 DecentMon 19:00 · 76 DecentMon 22:00 · 79 Decent · nightTue 01:00 · 82 Grand · nightTue 04:00 · 80 Grand · nightTue 07:00 · 78 Decent · nightTue 10:00 · 89 GrandTue 13:00 · 83 GrandTue 16:00 · 89 GrandTue 19:00 · 84 GrandTue 22:00 · 92 Grand · nightWed 01:00 · 84 Grand · nightWed 04:00 · 84 Grand · nightWed 07:00 · 84 Grand · nightWed 10:00 · 78 DecentWed 13:00 · 79 DecentWed 16:00 · 69 DecentWed 19:00 · 78 DecentWed 22:00 · 78 Decent · nightThu 01:00 · 78 Decent · nightThu 07:00 · 84 Grand · nightThu 13:00 · 89 GrandThu 19:00 · 78 Decent

Fri, 2 Oct, 22:00

76 Decent
  • moderate breeze
  • dry
NESWsunrisesunset22 km/h
facing unknown
Waves
–
Wind
22 km/h W · gusts 38
Tide
–
Air
9°C · dry

Meteogram

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

Hour by hour

Next 48 hours
TimeDipWavesPeriodFromWindGustTideRainAirWhy
Today
22:0076 Decent–––22 km/h W38–dry9°moderate breeze, dry
23:0086 Grand–––19 km/h W35–dry9°gentle breeze, dry
Saturday, 3 October
00:0086 Grand–––16 km/h W31–dry8°gentle breeze, dry
01:0086 Grand–––17 km/h W27–dry8°gentle breeze, dry
02:0086 Grand–––17 km/h WSW24–dry8°gentle breeze, dry
03:0086 Grand–––19 km/h WSW23–dry8°gentle breeze, dry
04:0086 Grand–––17 km/h WSW23–dry8°gentle breeze, dry
05:0086 Grand–––16 km/h WSW23–dry9°gentle breeze, dry
06:0086 Grand–––18 km/h WSW23–dry9°gentle breeze, dry
07:0086 Grand–––18 km/h WSW26–dry10°gentle breeze, dry
08:0086 Grand–––17 km/h WSW26–dry10°gentle breeze, dry
09:0076 Decent–––20 km/h WSW27–dry10°moderate breeze, dry
10:0091 Grand–––19 km/h WSW29–dry10°gentle breeze, dry
11:0081 Grand–––20 km/h W30–dry10°moderate breeze, dry
12:0091 Grand–––19 km/h W30–dry11°gentle breeze, dry
13:0091 Grand–––15 km/h WSW30–dry12°gentle breeze, dry, sunny
14:0094 Grand–––17 km/h WSW31–dry13°gentle breeze, dry, sunny
15:0094 Grand–––17 km/h WSW32–dry13°gentle breeze, dry, sunny
16:0094 Grand–––17 km/h SW33–dry13°gentle breeze, dry
17:0081 Grand–––21 km/h SSW33–dry13°moderate breeze, dry
18:0091 Grand–––19 km/h SSW32–dry12°gentle breeze, dry
19:0091 Grand–––17 km/h SSW28–dry11°gentle breeze, dry
20:0081 Grand–––20 km/h SSW28–dry11°moderate breeze, dry
21:0081 Grand–––22 km/h SSW32–dry11°moderate breeze, dry
22:0081 Grand–––24 km/h SSW36–dry11°moderate breeze, dry
23:0081 Grand–––26 km/h SSW41–dry10°moderate breeze, dry
Sunday, 4 October
00:0065 Decent–––31 km/h SSW45–dry10°fresh breeze, dry
01:0065 Decent–––34 km/h SSW48–dry11°fresh breeze, dry
02:0065 Decent–––35 km/h SSW50–dry11°fresh breeze, dry
03:0065 Decent–––33 km/h SSW50–0.1 mm12°fresh breeze, dry
04:0065 Decent–––32 km/h SSW51–0.1 mm12°fresh breeze, dry
05:0065 Decent–––34 km/h SSW51–0.1 mm12°fresh breeze, dry
06:0065 Decent–––35 km/h SW52–0.1 mm12°fresh breeze, dry
07:0065 Decent–––32 km/h SW52–0.1 mm13°fresh breeze, dry
08:0068 Decent–––33 km/h SW52–0.1 mm13°fresh breeze, dry
09:0060 Fresh–––31 km/h SW51–0.2 mm14°fresh breeze, showers possible
10:0060 Fresh–––30 km/h SW51–0.3 mm14°fresh breeze, showers possible
11:0060 Fresh–––30 km/h SW51–0.2 mm14°fresh breeze, showers possible
12:0060 Fresh–––29 km/h SSW51–0.2 mm14°fresh breeze, showers possible
13:0076 Decent–––28 km/h SW52–0.3 mm15°moderate breeze, showers possible
14:0060 Fresh–––30 km/h SW53–0.2 mm15°fresh breeze, showers possible
15:0060 Fresh–––32 km/h SW53–0.2 mm15°fresh breeze, showers possible
16:0060 Fresh–––33 km/h SW53–0.3 mm15°fresh breeze, showers possible
17:0060 Fresh–––33 km/h SW53–0.2 mm15°fresh breeze, showers possible
18:0060 Fresh–––34 km/h WSW53–0.2 mm15°fresh breeze, showers possible
19:0060 Fresh–––35 km/h WSW53–0.2 mm15°fresh breeze, showers possible
20:0084 Grand–––23 km/h SW45–0.1 mm14°moderate breeze, dry
21:0084 Grand–––25 km/h WSW45–0.1 mm14°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

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 · 17 km · fixed

itSaunatrailer · The Wee Beach, Marble Hill, Dunfanaghy · 17 km · fixed

Wild Atlantic Sea Sauna Dooey Beach · Dooey Beach, Lettermacaward · 30 km · fixed

Put Lough Alcahan 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
🌊 Lough Alcahan dip · GrandSat, 3 Oct 13:30–14:30 · gentle breeze, dry, sunny
🌊 Lough Alcahan dip · DecentSun, 4 Oct 12:30–13:30 · moderate breeze, showers possible

Nearby spots

Sand Lough

3 km · Co. Donegal · Not classified

Lough Veagh

3 km · Co. Donegal · Not classified

Croloughan Lough

4 km · Co. Donegal · Not classified

Lough Nambraddan

4 km · Co. Donegal · Not classified

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