Lough Nastackan
Monitored, not designated
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
81
Grand · moderate breeze, dry
Wind
22 km/h
Moderate breeze, S, gusts 38
Daylight
07:32
Sunrise. Sunset 19:03. Air 11°C.
Best dip each day
Daylight hoursToday
17:00
Grand 91/100
gentle breeze, dry · 18 km/h
☀ 07:32–19:03
Sat, 3 Oct
11:00
Grand 97/100
light winds, dry, sunny · 12 km/h
☀ 07:34–19:01
Sun, 4 Oct
08:00
Grand 84/100
moderate breeze, dry · 24 km/h
☀ 07:36–18:58
Mon, 5 Oct
19:00
Grand 86/100
gentle breeze, showers possible · 16 km/h
☀ 07:38–18:56
Tue, 6 Oct
19:00
Grand 97/100
light winds, dry · 12 km/h
☀ 07:40–18:53
Wed, 7 Oct
13:00
Decent 79/100
gentle breeze, rain · 19 km/h
☀ 07:42–18:51
Thu, 8 Oct
13:00
Grand 83/100
gentle breeze, showers possible · 13 km/h
☀ 07:43–18:48
Week at a glance
Tap or drag to pick an hour. Everything below follows.Fri 05:0081 · Grand
Fri, 2 Oct, 05:00
81 Grand- moderate breeze
- dry
Waves
–
Wind
22 km/h S · gusts 38
Tide
–
Air
11°C · dry
Meteogram
Score, waves, wind (green offshore, amber cross, red onshore), rain and air, tideHour by hour
Next 48 hours| Time | Dip | Waves | Period | From | Wind | Gust | Tide | Rain | Air | Why |
|---|---|---|---|---|---|---|---|---|---|---|
| Today | ||||||||||
| 05:00 | 81 Grand | – | – | – | 22 km/h S | 38 | – | dry | 11° | moderate breeze, dry |
| 06:00 | 81 Grand | – | – | – | 24 km/h S | 37 | – | dry | 11° | moderate breeze, dry |
| 07:00 | 81 Grand | – | – | – | 25 km/h S | 38 | – | dry | 11° | moderate breeze, dry |
| 08:00 | 81 Grand | – | – | – | 26 km/h S | 38 | – | dry | 12° | moderate breeze, dry |
| 09:00 | 81 Grand | – | – | – | 28 km/h S | 40 | – | dry | 12° | moderate breeze, dry |
| 10:00 | 81 Grand | – | – | – | 27 km/h S | 42 | – | 0.1 mm | 13° | moderate breeze, dry |
| 11:00 | 76 Decent | – | – | – | 26 km/h S | 44 | – | 0.3 mm | 13° | moderate breeze, showers possible |
| 12:00 | 67 Decent | – | – | – | 23 km/h S | 46 | – | 1.1 mm | 13° | moderate breeze, rain |
| 13:00 | 63 Decent | – | – | – | 21 km/h S | 46 | – | 1.8 mm | 13° | moderate breeze, rain |
| 14:00 | 60 Fresh | – | – | – | 26 km/h SW | 48 | – | 1.8 mm | 13° | moderate breeze, rain |
| 15:00 | 76 Decent | – | – | – | 17 km/h SSW | 46 | – | 0.8 mm | 12° | gentle breeze, rain |
| 16:00 | 73 Decent | – | – | – | 21 km/h SW | 40 | – | 0.4 mm | 13° | moderate breeze, showers possible |
| 17:00 | 91 Grand | – | – | – | 18 km/h WSW | 36 | – | dry | 12° | gentle breeze, dry |
| 18:00 | 91 Grand | – | – | – | 15 km/h WSW | 33 | – | dry | 12° | gentle breeze, dry |
| 19:00 | 91 Grand | – | – | – | 19 km/h W | 29 | – | dry | 11° | gentle breeze, dry, sunny |
| 20:00 | 86 Grand | – | – | – | 14 km/h WSW | 25 | – | dry | 10° | gentle breeze, dry, sunny |
| 21:00 | 86 Grand | – | – | – | 17 km/h WSW | 24 | – | dry | 9° | gentle breeze, dry, sunny |
| 22:00 | 86 Grand | – | – | – | 17 km/h WSW | 25 | – | dry | 8° | gentle breeze, dry, sunny |
| 23:00 | 86 Grand | – | – | – | 15 km/h WSW | 25 | – | dry | 8° | gentle breeze, dry |
| Saturday, 3 October | ||||||||||
| 00:00 | 86 Grand | – | – | – | 15 km/h WSW | 24 | – | dry | 8° | gentle breeze, dry |
| 01:00 | 86 Grand | – | – | – | 14 km/h SW | 23 | – | dry | 8° | gentle breeze, dry |
| 02:00 | 86 Grand | – | – | – | 14 km/h SW | 22 | – | dry | 7° | gentle breeze, dry |
| 03:00 | 86 Grand | – | – | – | 15 km/h SW | 22 | – | dry | 7° | gentle breeze, dry |
| 04:00 | 86 Grand | – | – | – | 13 km/h SSW | 22 | – | dry | 8° | gentle breeze, dry |
| 05:00 | 86 Grand | – | – | – | 14 km/h SW | 21 | – | dry | 8° | gentle breeze, dry |
| 06:00 | 86 Grand | – | – | – | 15 km/h SW | 21 | – | dry | 8° | gentle breeze, dry |
| 07:00 | 86 Grand | – | – | – | 16 km/h SW | 21 | – | dry | 8° | gentle breeze, dry, sunny |
| 08:00 | 86 Grand | – | – | – | 19 km/h WSW | 21 | – | dry | 9° | gentle breeze, dry |
| 09:00 | 86 Grand | – | – | – | 17 km/h WSW | 22 | – | dry | 10° | gentle breeze, dry |
| 10:00 | 91 Grand | – | – | – | 15 km/h WSW | 23 | – | dry | 11° | gentle breeze, dry |
| 11:00 | 97 Grand | – | – | – | 12 km/h SW | 24 | – | dry | 12° | light winds, dry, sunny |
| 12:00 | 94 Grand | – | – | – | 13 km/h SSW | 26 | – | dry | 13° | gentle breeze, dry |
| 13:00 | 94 Grand | – | – | – | 16 km/h SSW | 27 | – | dry | 13° | gentle breeze, dry |
| 14:00 | 94 Grand | – | – | – | 18 km/h SSW | 28 | – | dry | 14° | gentle breeze, dry, sunny |
| 15:00 | 94 Grand | – | – | – | 18 km/h SSW | 29 | – | dry | 14° | gentle breeze, dry |
| 16:00 | 84 Grand | – | – | – | 20 km/h SSW | 29 | – | dry | 14° | moderate breeze, dry |
| 17:00 | 84 Grand | – | – | – | 21 km/h SSW | 28 | – | dry | 14° | moderate breeze, dry |
| 18:00 | 84 Grand | – | – | – | 22 km/h SSW | 27 | – | dry | 13° | moderate breeze, dry |
| 19:00 | 81 Grand | – | – | – | 21 km/h S | 26 | – | dry | 13° | moderate breeze, dry |
| 20:00 | 81 Grand | – | – | – | 22 km/h S | 27 | – | dry | 12° | moderate breeze, dry |
| 21:00 | 81 Grand | – | – | – | 23 km/h S | 30 | – | dry | 12° | moderate breeze, dry |
| 22:00 | 81 Grand | – | – | – | 28 km/h S | 33 | – | dry | 12° | moderate breeze, dry |
| 23:00 | 81 Grand | – | – | – | 28 km/h SSW | 35 | – | dry | 12° | moderate breeze, dry |
| Sunday, 4 October | ||||||||||
| 00:00 | 81 Grand | – | – | – | 27 km/h S | 38 | – | dry | 12° | moderate breeze, dry |
| 01:00 | 81 Grand | – | – | – | 28 km/h SSW | 40 | – | dry | 13° | moderate breeze, dry |
| 02:00 | 65 Decent | – | – | – | 29 km/h SSW | 45 | – | dry | 13° | fresh breeze, dry |
| 03:00 | 65 Decent | – | – | – | 30 km/h SSW | 45 | – | dry | 13° | fresh breeze, dry |
| 04:00 | 68 Decent | – | – | – | 31 km/h SW | 44 | – | dry | 13° | 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
Access, parking and swimming areas are not recorded for this lake. Respect private land.
Sauna after?
The Sea View Sauna (Culdaff) · Culdaff Beach car park · 10 km · fixed
The Sea View Sauna (Shroove) · Shroove Beach, Greencastle, Inishowen · 14 km · fixed
HotBox Sea Sauna (Benone) · Benone Strand, Magilligan, Co. Londonderry (NI) · 17 km · fixed
Sauna & Sea · Portstewart Strand (National Trust), Co. Londonderry (NI) · 26 km · fixed
Put Lough Nastackan 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 Nastackan dip · GrandFri, 2 Oct 16:30–17:30 · gentle breeze, dry
🌊 Lough Nastackan dip · GrandSat, 3 Oct 10:30–11:30 · light winds, dry, sunny
🌊 Lough Nastackan dip · GrandSun, 4 Oct 07:30–08:30 · moderate breeze, dry
Nearby spots
Score is Dipper's own blend. It rates comfort, not safety. Forecast: Met Éireann. Lake data: © OpenStreetMap contributors.