Dipper › Co. Donegal

Rossnowlagh

Excellent Quality 2025 Blue Flag faces WNW

🌊 Dip🏄 Surf
Any tidePrefer highPrefer low
Surf score now
5
Grim · flat
Waves
0.2 m
11 s period from W · model cell 1 km out
Sea
15.0°
Fresh. M2 buoy, Irish Sea east of Dublin, 217 km away.
Tide
1.8 m
Falling, nearly low. Low at 16:20.
Wind
17 km/h
Gentle breeze, SSW, cross, gusts 46
Daylight
07:36
Sunrise. Sunset 19:08. Air 13°C.

Best surf each day

Daylight hours, preferring low tide
Today
14:00
Grim 5/100
flat · 0.2 m · 17 km/h
▼ 03:30 ▲ 10:10 ▼ 16:20 ▲ 22:35
Sat, 3 Oct
08:00
Grim 5/100
flat · 0.1 m · 18 km/h
▼ 04:30 ▲ 11:00 ▼ 17:35
Sun, 4 Oct
08:00
Grim 5/100
flat · 0.1 m · 24 km/h
▲ 00:00 ▼ 05:40 ▲ 12:35 ▼ 19:15
Mon, 5 Oct
10:00
Grim 5/100
flat · 0.2 m · 22 km/h
▲ 01:35 ▼ 07:30 ▲ 14:05 ▼ 20:55
Tue, 6 Oct
10:00
Grim 5/100
flat · 0.1 m · 12 km/h
▲ 03:00 ▼ 08:50 ▲ 15:30 ▼ 22:00
Wed, 7 Oct
10:00
Grim 5/100
flat · 0.1 m · 14 km/h
▲ 04:10 ▼ 10:00 ▲ 16:20 ▼ 22:50
Thu, 8 Oct
13:00
Grim 0/100
no wave data here · 15 km/h
▲ 04:55 ▼ 10:40 ▲ 17:10 ▼ 23:25

Week at a glance

Tap or drag to pick an hour. Everything below follows.
Fri 14:005 · Grimflat
Fri 2Sat 3Sun 4Mon 5Tue 6Wed 7Thu 80003060912151821Fri 08:00 · 5 GrimFri 09:00 · 5 GrimFri 10:00 · 5 GrimFri 11:00 · 5 GrimFri 12:00 · 5 GrimFri 13:00 · 5 GrimFri 14:00 · 5 GrimFri 15:00 · 5 GrimFri 16:00 · 5 GrimFri 17:00 · 5 GrimFri 18:00 · 5 GrimFri 19:00 · 5 GrimFri 20:00 · 5 Grim · nightFri 21:00 · 5 Grim · nightFri 22:00 · 5 Grim · nightFri 23:00 · 5 Grim · nightSat 00:00 · 5 Grim · nightSat 01:00 · 5 Grim · nightSat 02:00 · 5 Grim · nightSat 03:00 · 5 Grim · nightSat 04:00 · 5 Grim · nightSat 05:00 · 5 Grim · nightSat 06:00 · 5 Grim · nightSat 07:00 · 5 Grim · nightSat 08:00 · 5 GrimSat 09:00 · 5 GrimSat 10:00 · 5 GrimSat 11:00 · 5 GrimSat 12:00 · 5 GrimSat 13:00 · 5 GrimSat 14:00 · 5 GrimSat 15:00 · 5 GrimSat 16:00 · 5 GrimSat 17:00 · 5 GrimSat 18:00 · 5 GrimSat 19:00 · 5 GrimSat 20:00 · 5 Grim · nightSat 21:00 · 5 Grim · nightSat 22:00 · 5 Grim · nightSat 23:00 · 5 Grim · nightSun 00:00 · 5 Grim · nightSun 01:00 · 5 Grim · nightSun 02:00 · 5 Grim · nightSun 03:00 · 5 Grim · nightSun 04:00 · 5 Grim · nightSun 05:00 · 5 Grim · nightSun 06:00 · 5 Grim · nightSun 07:00 · 5 Grim · nightSun 08:00 · 5 GrimSun 09:00 · 5 GrimSun 10:00 · 5 GrimSun 11:00 · 5 GrimSun 12:00 · 5 GrimSun 13:00 · 5 GrimSun 14:00 · 5 GrimSun 15:00 · 5 GrimSun 16:00 · 5 GrimSun 17:00 · 5 GrimSun 18:00 · 5 GrimSun 19:00 · 5 GrimSun 20:00 · 5 Grim · nightSun 21:00 · 5 Grim · nightSun 22:00 · 5 Grim · nightSun 23:00 · 5 Grim · nightMon 00:00 · 5 Grim · nightMon 01:00 · 5 Grim · nightMon 02:00 · 5 Grim · nightMon 03:00 · 5 Grim · nightMon 04:00 · 5 Grim · nightMon 05:00 · 5 Grim · nightMon 06:00 · 5 Grim · nightMon 07:00 · 5 Grim · nightMon 10:00 · 5 GrimMon 13:00 · 5 GrimMon 16:00 · 5 GrimMon 19:00 · 5 GrimMon 22:00 · 5 Grim · nightTue 01:00 · 5 Grim · nightTue 04:00 · 5 Grim · nightTue 07:00 · 5 Grim · nightTue 10:00 · 5 GrimTue 13:00 · 5 GrimTue 16:00 · 5 GrimTue 19:00 · 5 GrimTue 22:00 · 5 Grim · nightWed 01:00 · 5 Grim · nightWed 04:00 · 5 Grim · nightWed 07:00 · 5 Grim · nightWed 10:00 · 5 GrimWed 13:00 · 5 GrimWed 19:00 · 5 GrimThu 01:00 · 5 Grim · nightThu 07:00 · 0 Grim · nightThu 13:00 · 0 GrimThu 19:00 · 0 Grim

Fri, 2 Oct, 14:00

5 Grim
  • flat
  • cross wind
NESWsunrisesunset0.2 m17 km/h
faces 292° WNW · wind cross
Waves
0.2 m @ 11 s from W
Wind
17 km/h SSW · gusts 46
Tide
1.8 m · lower half
Air
13°C · 1.6 mm rain

Meteogram

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

Hour by hour

Next 48 hours
TimeSurfWavesPeriodFromWindGustTideRainAirWhy
Today
14:005 Grim0.2 m11 sW17 km/h SSW461.8 m 1.6 mm13°flat
15:005 Grim0.2 m11 sW19 km/h SSW421.4 m 0.3 mm14°flat
16:005 Grim0.3 m11 sWNW27 km/h SW431.3 m ▼dry14°flat
17:005 Grim0.3 m11 sWNW24 km/h W451.3 m ▼dry14°flat
18:005 Grim0.3 m11 sWNW30 km/h W471.6 m dry14°flat
19:005 Grim0.3 m11 sWNW36 km/h W452.0 m dry13°flat
20:005 Grim0.2 m11 sWNW32 km/h W412.6 m dry13°flat
21:005 Grim0.2 m11 sWNW34 km/h W403.0 m dry13°flat
22:005 Grim0.2 m11 sWNW29 km/h W383.2 m ▲dry13°flat
23:005 Grim0.2 m11 sWNW31 km/h WNW363.3 m ▲dry13°flat
Saturday, 3 October
00:005 Grim0.2 m11 sWNW28 km/h W333.1 m dry13°flat
01:005 Grim0.2 m10 sWNW27 km/h W312.6 m dry13°flat
02:005 Grim0.2 m10 sWNW22 km/h SW292.1 m dry12°flat
03:005 Grim0.2 m10 sWNW22 km/h SW301.6 m dry12°flat
04:005 Grim0.1 m10 sW22 km/h SW301.4 m ▼dry12°flat
05:005 Grim0.1 m10 sW24 km/h SW301.4 m ▼dry12°flat
06:005 Grim0.1 m10 sW26 km/h SW301.6 m dry12°flat
07:005 Grim0.1 m10 sW20 km/h SW292.0 m dry12°flat
08:005 Grim0.1 m10 sW18 km/h SW282.5 m dry12°flat
09:005 Grim0.1 m10 sW18 km/h SW262.9 m dry12°flat
10:005 Grim0.1 m10 sW17 km/h SW253.2 m ▲dry13°flat
11:005 Grim0.1 m10 sW16 km/h SW263.4 m ▲dry14°flat
12:005 Grim0.1 m10 sW16 km/h SW263.3 m ▲dry14°flat
13:005 Grim0.1 m10 sW14 km/h SW263.0 m dry15°flat
14:005 Grim0.1 m10 sW13 km/h WSW252.6 m dry15°flat
15:005 Grim0.1 m10 sW13 km/h SW252.1 m dry16°flat
16:005 Grim0.1 m10 sW17 km/h SSW271.7 m dry16°flat
17:005 Grim0.1 m10 sW17 km/h SSW291.5 m ▼dry16°flat
18:005 Grim0.1 m10 sW19 km/h SSW291.5 m ▼dry15°flat
19:005 Grim0.1 m10 sW18 km/h SSW281.6 m dry14°flat
20:005 Grim0.1 m10 sW16 km/h S271.9 m dry14°flat
21:005 Grim0.1 m10 sW18 km/h SSW302.3 m dry14°flat
22:005 Grim0.1 m10 sW19 km/h S332.6 m dry14°flat
23:005 Grim0.1 m10 sW23 km/h SSW362.9 m ▲dry14°flat
Sunday, 4 October
00:005 Grim0.1 m10 sW27 km/h SSW393.0 m ▲dry14°flat
01:005 Grim0.1 m10 sW29 km/h SSW392.9 m ▲dry14°flat
02:005 Grim0.1 m10 sW29 km/h SSW402.6 m dry14°flat
03:005 Grim0.1 m10 sW28 km/h SSW402.2 m dry14°flat
04:005 Grim0.1 m10 sW27 km/h SSW401.9 m 0.1 mm14°flat
05:005 Grim0.1 m10 sW24 km/h SSW391.7 m ▼0.1 mm14°flat
06:005 Grim0.1 m10 sW24 km/h SSW391.6 m ▼0.1 mm15°flat
07:005 Grim0.1 m10 sW26 km/h SSW391.7 m ▼0.1 mm15°flat
08:005 Grim0.1 m10 sW24 km/h SW392.0 m 0.1 mm15°flat
09:005 Grim0.1 m10 sW25 km/h SW392.4 m 0.1 mm15°flat
10:005 Grim0.1 m10 sW24 km/h SW392.7 m 0.1 mm15°flat
11:005 Grim0.2 m10 sW23 km/h SW403.0 m 0.1 mm16°flat
12:005 Grim0.1 m10 sW23 km/h SW413.2 m ▲0.1 mm16°flat
13:005 Grim0.2 m10 sW24 km/h SW433.3 m ▲0.1 mm16°flat

Where the energy comes from

Wave energy (H²·T) this week by direction, against the swell window

Swell arriving between SSW and NW reaches this spot; anything else is blocked by land and counts for much less.

Tide today

Killybegs, 15 km away · metres above chart datum
03:3010:1016:2022:35
Low 03:30 · 1.1 mHigh 10:10 · 3.6 mLow 16:20 · 1.2 mHigh 22:35 · 3.3 m

The spot

Faces
292° WNW
Swell window
SSW 210° → NW 320°
Exposure
Bay · model cell 1 km out
Water
Excellent Quality · Blue Flag

Facing and swell window are derived from the wave model's coastline around the spot, not surveyed. Know better? Tell us.

Water quality

Recent grades: 2024 Excellent, 2023 Excellent, 2022 Excellent. The EPA flags a short-term pollution risk here after heavy rain.

Beach profile (PDF) · beaches.ie

On the ground

Lifeguard: YesToiletsParkingYesAccessible: YesDogs on lead (Dogs are not permitted in the Blue Flag Area of this beach from 12 pm to 7 pm (1st June - 15th September annually). Dogs are permitted on leads outside the Blue Flag Area at all times.)

As listed by Donegal County Council. Open in Maps.

Sauna after?

OM Saunas · Rossnowlagh Beach, The Dunes · right here · mobile

Secret Sauna · Donegal Bay coast near Mountcharles · 9 km · mobile

Salt and Ember Sauna · Bundoran (also Creevy Pier, Rossnowlagh Beach) · 10 km · mobile

Blaze It Sauna · Mullaghmore Pier, Co. Sligo · 18 km · mobile

Rossnowlagh is west facing consisting of a long sandy beach confined by the Coolmore cliffs to the South and extends up to Inishfad at Durnesh Lake to the North. Rossnowlagh Beach is in the Donegal Bay SPA and is a very large, marine-dominated, site. There is a wide and diverse variety of wildlife including birds and seals. Activities at Rossnowlagh beach include swimming, kayaking, boating, windsurfing, sailing, surfing, power boating, jet skiing, diving and other land based activities on the beach. The designated bathing area is approx. 0.9054km2 and the extent along the water is approximately is 2150m. There is a medium sloping gradient off Rossnowlagh Beach with the water depth reaching 1m approx. 20m from the water line.

Put Rossnowlagh 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
🏄 Rossnowlagh surf · Grim · sea 15° · 0.2 mFri, 2 Oct 13:30–14:30 · flat
🏄 Rossnowlagh surf · Grim · sea 15° · 0.1 mSat, 3 Oct 07:30–08:30 · flat
🏄 Rossnowlagh surf · Grim · sea 15° · 0.1 mSun, 4 Oct 07:30–08:30 · flat

Nearby spots

Birra Lough

4 km · Co. Donegal · Not classified

Drumhome Lough

4 km · Co. Donegal · Not classified

Ardpatten Lough

4 km · Co. Donegal · Not classified

Legallan Lough

4 km · Co. Donegal · Not classified

Score is Dipper's own blend. It rates comfort, not safety. Forecast: Met Éireann. Waves: Marine Institute Irish Shelf wave model.