Dipper › Co. Donegal

Rathmullan

Good Quality 2025 faces N

🌊 Dip🏄 Surf
Any tidePrefer highPrefer low
Surf score now
5
Grim · flat
Waves
0.0 m
11 s period from NNE · model cell 1.8 km out
Sea
15.2°
Grand. M2 buoy, Irish Sea east of Dublin, 225 km away.
Tide
1.7 m
Falling, nearly low. Low at 16:30.
Wind
23 km/h
Moderate breeze, SSW, offshore, gusts 49
Daylight
07:33
Sunrise. Sunset 19:05. Air 13°C.

Best surf each day

Daylight hours, preferring low tide
Today
15:00
Grim 5/100
flat · 0.0 m · 23 km/h
▼ 03:55 ▲ 10:05 ▼ 16:30 ▲ 22:50
Sat, 3 Oct
08:00
Grim 5/100
flat · 0.0 m · 8 km/h
▼ 04:50 ▲ 11:20 ▼ 17:55
Sun, 4 Oct
08:00
Grim 5/100
flat · 0.0 m · 19 km/h
▲ 00:35 ▼ 06:05 ▲ 13:20 ▼ 20:00
Mon, 5 Oct
08:00
Grim 5/100
flat · 0.0 m · 19 km/h
▲ 02:20 ▼ 08:00 ▲ 15:00 ▼ 21:40
Tue, 6 Oct
10:00
Grim 5/100
flat · 0.0 m · 10 km/h
▲ 03:35 ▼ 09:25 ▲ 16:05 ▼ 22:35
Wed, 7 Oct
10:00
Grim 5/100
flat · 0.0 m · 9 km/h
▲ 04:40 ▼ 10:25 ▲ 16:55 ▼ 23:15
Thu, 8 Oct
13:00
Grim 0/100
no wave data here · 9 km/h
▲ 05:20 ▼ 11:10 ▲ 17:40 ▼ 23:55

Week at a glance

Tap or drag to pick an hour. Everything below follows.
Fri 15:005 · Grimflat
Fri 2Sat 3Sun 4Mon 5Tue 6Wed 7Thu 80003060912151821Fri 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 08:00 · 5 GrimMon 09:00 · 5 GrimMon 10:00 · 5 GrimMon 11:00 · 5 GrimMon 12:00 · 5 GrimMon 13:00 · 5 GrimMon 14:00 · 5 GrimMon 15:00 · 5 GrimMon 16:00 · 5 GrimMon 17:00 · 5 GrimMon 18:00 · 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 16:00 · 5 GrimWed 19:00 · 5 GrimWed 22:00 · 5 Grim · nightThu 01:00 · 5 Grim · nightThu 07:00 · 0 Grim · nightThu 13:00 · 0 GrimThu 19:00 · 0 Grim

Fri, 2 Oct, 15:00

5 Grim
  • flat
  • offshore wind
NESWsunrisesunset0.0 m23 km/h
faces 10° N · wind offshore
Waves
0.0 m @ 11 s from NNE
Wind
23 km/h SSW · gusts 49
Tide
1.7 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
15:005 Grim0.0 m11 sNNE23 km/h SSW491.7 m 1.6 mm13°flat
16:005 Grim0.0 m11 sNNE15 km/h SSW411.4 m ▼0.3 mm13°flat
17:005 Grim0.0 m11 sN21 km/h SW401.3 m ▼dry14°flat
18:005 Grim0.0 m11 sN19 km/h W391.5 m dry14°flat
19:005 Grim0.0 m11 sN17 km/h WSW351.9 m 0.1 mm13°flat
20:005 Grim0.0 m11 sN13 km/h WSW252.4 m dry12°flat
21:005 Grim0.0 m2 sN10 km/h WSW212.9 m dry11°flat
22:005 Grim0.0 m2 sN14 km/h SW223.3 m ▲dry10°flat
23:005 Grim0.0 m2 sN14 km/h SW233.5 m ▲dry10°flat
Saturday, 3 October
00:005 Grim0.0 m2 sN14 km/h W223.4 m ▲dry10°flat
01:005 Grim0.0 m2 sN11 km/h SW193.1 m dry9°flat
02:005 Grim0.0 m2 sN10 km/h SW172.6 m dry9°flat
03:005 Grim0.0 m2 sN10 km/h SSW152.0 m dry8°flat
04:005 Grim0.0 m2 sN9 km/h SSW151.6 m ▼dry8°flat
05:005 Grim0.0 m2 sN9 km/h SSW151.4 m ▼dry8°flat
06:005 Grim0.0 m2 sN10 km/h SW161.5 m ▼dry9°flat
07:005 Grim0.0 m2 sN9 km/h SSW161.9 m dry9°flat
08:005 Grim0.0 m2 sN8 km/h SSE172.3 m dry10°flat
09:005 Grim0.0 m2 sN9 km/h S172.8 m dry10°flat
10:005 Grim0.0 m2 sN10 km/h S183.2 m dry11°flat
11:005 Grim0.0 m2 sN12 km/h SW223.4 m ▲dry12°flat
12:005 Grim0.0 m2 sN9 km/h SW253.4 m ▲dry14°flat
13:005 Grim0.0 m2 sN9 km/h WSW263.3 m dry14°flat
14:005 Grim0.0 m2 sN10 km/h SW273.0 m dry15°flat
15:005 Grim0.0 m2 sN13 km/h SW292.5 m dry15°flat
16:005 Grim0.0 m2 sN12 km/h SSW302.0 m dry15°flat
17:005 Grim0.0 m2 sN16 km/h SSW281.7 m ▼dry15°flat
18:005 Grim0.0 m2 sN12 km/h SSW261.6 m ▼dry14°flat
19:005 Grim0.0 m2 sN13 km/h S231.6 m ▼dry13°flat
20:005 Grim0.0 m2 sN14 km/h S261.9 m dry12°flat
21:005 Grim0.0 m2 sN15 km/h S292.2 m dry12°flat
22:005 Grim0.0 m2 sN17 km/h S312.6 m dry12°flat
23:005 Grim0.0 m2 sN18 km/h S322.9 m dry12°flat
Sunday, 4 October
00:005 Grim0.0 m2 sN20 km/h S343.1 m ▲dry12°flat
01:005 Grim0.0 m2 sN22 km/h S363.1 m ▲dry12°flat
02:005 Grim0.0 m10 sN22 km/h S363.0 m dry13°flat
03:005 Grim0.0 m10 sN22 km/h S372.6 m dry12°flat
04:005 Grim0.0 m10 sN21 km/h S372.2 m dry12°flat
05:005 Grim0.0 m10 sN22 km/h SSW361.8 m 0.1 mm12°flat
06:005 Grim0.0 m10 sN19 km/h SSW361.6 m ▼dry12°flat
07:005 Grim0.0 m10 sN18 km/h SSW351.7 m ▼0.1 mm13°flat
08:005 Grim0.0 m10 sN19 km/h SSW351.9 m 0.1 mm13°flat
09:005 Grim0.0 m10 sN19 km/h SSW352.2 m 0.1 mm14°flat
10:005 Grim0.0 m10 sN17 km/h SSW362.5 m dry15°flat
11:005 Grim0.0 m10 sN19 km/h SSW362.9 m 0.1 mm15°flat
12:005 Grim0.0 m10 sN19 km/h SSW363.2 m ▲dry15°flat
13:005 Grim0.0 m10 sN16 km/h SSW373.3 m ▲dry15°flat
14:005 Grim0.0 m10 sN21 km/h SW453.3 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 NNW and N reaches this spot; anything else is blocked by land and counts for much less.

Tide today

Buncrana, 5 km away · metres above chart datum
03:5510:0516:3022:50
Low 03:55 · 1.1 mHigh 10:05 · 3.7 mLow 16:30 · 1.3 mHigh 22:50 · 3.5 m

The spot

Faces
10° N
Swell window
NNW 340° → N 10°
Exposure
Sheltered · model cell 1.8 km out
Water
Good Quality

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 Good, 2023 Good, 2022 Good. The EPA flags a short-term pollution risk here after heavy rain.

Beach profile (PDF) · beaches.ie

On the ground

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

As listed by Donegal County Council. Open in Maps.

Sauna after?

The Swilly Sauna · Main Beach car park, Rathmullan · right here · mobile

The Hot Barrel Sauna · Portsalon Pier (also Kerrykeel Pier) · 14 km · mobile

itSaunatrailer · The Wee Beach, Marble Hill, Dunfanaghy · 25 km · fixed

Cocoon Sauna · Portnablagh Pier, Dunfanaghy · 27 km · fixed

Rathmullan beach consists of a sandy beach in Lough Swilly, which is confined by Rathmullan pier to the South and runs up past Kinnegar to the Glebe outcrop to the North. Rathmullan beach supports a wide variety of plant and wildlife species including otters. The Rathmullan Wood Nature Reserve contains a wide variety of trees. Activities at Rathmullan beach include swimming, kayaking, boating, sailing, power boating, jet skiing (outside the designated area), diving and other land based activities on the beach. The designated bathing area is approx. 0.142km2 and the extent along the water is approximately is 1380m. There is a deep gradient off Rathmullan Beach with the water depth reaching 1m approx. 10m from the water line.

Put Rathmullan 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
🏄 Rathmullan surf · Grim · sea 15° · 0.0 mFri, 2 Oct 14:30–15:30 · flat
🏄 Rathmullan surf · Grim · sea 15° · 0.0 mSat, 3 Oct 07:30–08:30 · flat
🏄 Rathmullan surf · Grim · sea 15° · 0.0 mSun, 4 Oct 07:30–08:30 · flat

Nearby spots

Gort Lough

3 km · Co. Donegal · Not classified

Lisfannon

3 km · Co. Donegal · Good Quality

Gornahalowey Lough

4 km · Co. Donegal · Not classified

Lough Fullarton

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.