Dipper › Co. Donegal

Lough Mardal

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
15 km/h
Gentle breeze, WSW, gusts 27
Daylight
07:37
Sunrise. Sunset 19:05. Air 13°C.

Best dip each day

Daylight hours
Today
14:00
Grand 100/100
light winds, dry, sunny · 12 km/h
☀ 07:37–19:05
Sun, 4 Oct
10:00
Grand 100/100
light winds, dry · 12 km/h
☀ 07:39–19:02
Mon, 5 Oct
16:00
Grand 86/100
gentle breeze, showers possible · 19 km/h
☀ 07:41–19:00
Tue, 6 Oct
19:00
Grand 97/100
light winds, dry · 10 km/h
☀ 07:43–18:57
Wed, 7 Oct
19:00
Decent 78/100
gentle breeze, showers possible · 15 km/h
☀ 07:45–18:55
Thu, 8 Oct
10:00
Grand 92/100
light winds, dry · 5 km/h
☀ 07:47–18:52
Fri, 9 Oct
19:00
Decent 65/100
moderate breeze, rain · 23 km/h
☀ 07:48–18:50

Week at a glance

Tap or drag to pick an hour. Everything below follows.
Sat 11:0091 · Grandgentle breeze · dry
Sat 3Sun 4Mon 5Tue 6Wed 7Thu 8Fri 90003060912151821Sat 10:00 · 91 GrandSat 11:00 · 91 GrandSat 12:00 · 94 GrandSat 13:00 · 94 GrandSat 14:00 · 100 GrandSat 15:00 · 100 GrandSat 16:00 · 100 GrandSat 17:00 · 100 GrandSat 18:00 · 100 GrandSat 19:00 · 97 GrandSat 20:00 · 97 Grand · nightSat 21:00 · 97 Grand · nightSat 22:00 · 92 Grand · nightSat 23:00 · 92 Grand · nightSun 00:00 · 92 Grand · nightSun 01:00 · 92 Grand · nightSun 02:00 · 92 Grand · nightSun 03:00 · 91 Grand · nightSun 04:00 · 81 Grand · nightSun 05:00 · 91 Grand · nightSun 06:00 · 97 Grand · nightSun 07:00 · 97 Grand · nightSun 08:00 · 97 GrandSun 09:00 · 94 GrandSun 10:00 · 100 GrandSun 11:00 · 94 GrandSun 12:00 · 94 GrandSun 13:00 · 94 GrandSun 14:00 · 84 GrandSun 15:00 · 84 GrandSun 16:00 · 84 GrandSun 17:00 · 84 GrandSun 18:00 · 94 GrandSun 19:00 · 84 GrandSun 20:00 · 84 Grand · nightSun 21:00 · 94 Grand · nightSun 22:00 · 94 Grand · nightSun 23:00 · 94 Grand · nightMon 00:00 · 84 Grand · nightMon 01:00 · 84 Grand · nightMon 02:00 · 84 Grand · nightMon 03:00 · 84 Grand · nightMon 04:00 · 84 Grand · nightMon 05:00 · 68 Decent · nightMon 06:00 · 84 Grand · nightMon 07:00 · 84 Grand · nightMon 08:00 · 84 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 · 86 GrandMon 17:00 · 86 GrandMon 18:00 · 86 GrandMon 19:00 · 86 GrandMon 20:00 · 86 Grand · nightMon 21:00 · 92 Grand · nightMon 22:00 · 92 Grand · nightMon 23:00 · 92 Grand · nightTue 00:00 · 89 Grand · nightTue 01:00 · 89 Grand · nightTue 02:00 · 89 Grand · nightTue 03:00 · 89 Grand · nightTue 04:00 · 89 Grand · nightTue 05:00 · 89 Grand · nightTue 06:00 · 89 Grand · nightTue 07:00 · 89 Grand · nightTue 10:00 · 89 GrandTue 13:00 · 83 GrandTue 16:00 · 91 GrandTue 19:00 · 97 GrandTue 22:00 · 92 Grand · nightWed 01:00 · 84 Grand · nightWed 04:00 · 84 Grand · nightWed 07:00 · 80 Grand · nightWed 10:00 · 74 DecentWed 13:00 · 68 DecentWed 16:00 · 68 DecentWed 19:00 · 78 DecentWed 22:00 · 92 Grand · nightThu 01:00 · 92 Grand · nightThu 04:00 · 92 Grand · nightThu 07:00 · 92 Grand · nightThu 10:00 · 92 GrandThu 13:00 · 83 GrandThu 19:00 · 83 GrandFri 01:00 · 61 Fresh · nightFri 07:00 · 35 Blowy · nightFri 13:00 · 55 FreshFri 19:00 · 65 Decent

Sat, 3 Oct, 11:00

91 Grand
  • gentle breeze
  • dry
NESWsunrisesunset15 km/h
facing unknown
Waves
–
Wind
15 km/h WSW · gusts 27
Tide
–
Air
13°C · dry

Meteogram

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

Hour by hour

Next 48 hours
TimeDipWavesPeriodFromWindGustTideRainAirWhy
Today
11:0091 Grand–––15 km/h WSW27–dry13°gentle breeze, dry
12:0094 Grand–––15 km/h WSW29–dry14°gentle breeze, dry
13:0094 Grand–––13 km/h WSW29–dry14°gentle breeze, dry, sunny
14:00100 Grand–––12 km/h WSW27–dry14°light winds, dry, sunny
15:00100 Grand–––9 km/h WSW25–dry14°light winds, dry
16:00100 Grand–––6 km/h SSW21–dry15°light winds, dry, sunny
17:00100 Grand–––8 km/h SSW19–dry15°light winds, dry
18:00100 Grand–––10 km/h SSW18–dry14°light winds, dry
19:0097 Grand–––9 km/h S15–dry13°light winds, dry
20:0097 Grand–––10 km/h S15–dry11°light winds, dry
21:0097 Grand–––11 km/h SSE15–dry10°light winds, dry
22:0092 Grand–––10 km/h SSE16–dry10°light winds, dry
23:0092 Grand–––9 km/h SSE16–dry10°light winds, dry
Sunday, 4 October
00:0092 Grand–––10 km/h SSE18–dry10°light winds, dry
01:0092 Grand–––10 km/h SSE20–dry10°light winds, dry
02:0092 Grand–––10 km/h SSE23–dry10°light winds, dry
03:0091 Grand–––13 km/h S25–dry11°gentle breeze, dry
04:0081 Grand–––20 km/h S26–dry12°moderate breeze, dry
05:0091 Grand–––15 km/h SSW26–dry12°gentle breeze, dry
06:0097 Grand–––10 km/h SSW26–dry12°light winds, dry
07:0097 Grand–––10 km/h S27–dry12°light winds, dry
08:0097 Grand–––12 km/h SSW26–dry12°light winds, dry
09:0094 Grand–––12 km/h SSW28–dry13°gentle breeze, dry
10:00100 Grand–––12 km/h S29–dry14°light winds, dry
11:0094 Grand–––13 km/h SSW31–dry15°gentle breeze, dry
12:0094 Grand–––17 km/h SSW33–dry16°gentle breeze, dry
13:0094 Grand–––16 km/h SSW36–dry16°gentle breeze, dry
14:0084 Grand–––23 km/h SSW38–dry17°moderate breeze, dry
15:0084 Grand–––23 km/h SSW40–dry17°moderate breeze, dry
16:0084 Grand–––22 km/h SW40–0.1 mm16°moderate breeze, dry
17:0084 Grand–––20 km/h SSW39–0.1 mm16°moderate breeze, dry
18:0094 Grand–––19 km/h SSW37–0.1 mm15°gentle breeze, dry
19:0084 Grand–––20 km/h SSW36–dry15°moderate breeze, dry
20:0084 Grand–––20 km/h SSW35–dry15°moderate breeze, dry
21:0094 Grand–––19 km/h SSW36–dry15°gentle breeze, dry
22:0094 Grand–––19 km/h SSW38–dry16°gentle breeze, dry
23:0094 Grand–––19 km/h SW39–dry16°gentle breeze, dry
Monday, 5 October
00:0084 Grand–––23 km/h WSW41–dry16°moderate breeze, dry
01:0084 Grand–––23 km/h WSW42–dry16°moderate breeze, dry
02:0084 Grand–––27 km/h WSW44–dry16°moderate breeze, dry
03:0084 Grand–––22 km/h SW42–dry16°moderate breeze, dry
04:0084 Grand–––21 km/h SW42–dry15°moderate breeze, dry
05:0068 Decent–––29 km/h WSW44–dry15°fresh breeze, dry
06:0084 Grand–––25 km/h WSW44–dry15°moderate breeze, dry
07:0084 Grand–––23 km/h WSW43–dry15°moderate breeze, dry
08:0084 Grand–––20 km/h WSW37–0.1 mm14°moderate breeze, dry
09:0084 Grand–––21 km/h WSW37–0.1 mm14°moderate breeze, dry
10:0084 Grand–––21 km/h SW37–0.1 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?

OM Saunas · Rossnowlagh Beach, The Dunes · 8 km · mobile

Secret Sauna · Donegal Bay coast near Mountcharles · 12 km · mobile

Salt and Ember Sauna · Bundoran (also Creevy Pier, Rossnowlagh Beach) · 16 km · mobile

Blaze It Sauna · Mullaghmore Pier, Co. Sligo · 26 km · mobile

Put Lough Mardal 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 Mardal dip · GrandSat, 3 Oct 13:30–14:30 · light winds, dry, sunny
🌊 Lough Mardal dip · GrandSun, 4 Oct 09:30–10:30 · light winds, dry
🌊 Lough Mardal dip · GrandMon, 5 Oct 15:30–16:30 · gentle breeze, showers possible

Nearby spots

Lough Achailly

0 km · Co. Donegal · Not classified

Lough Altoghan

1 km · Co. Donegal · Not classified

Lough Narath

1 km · Co. Donegal · Not classified

Glen Lough

1 km · Co. Donegal · Not classified

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