Dipper › Co. Mayo

Keem Beach, Achill Island

Excellent Quality 2025 Blue Flag faces WSW

🌊 Dip🏄 Surf
Any tidePrefer highPrefer low
Met Éireann Yellow yellow; Moderate warning. Rain warning for Mayo Until 12:00 Fri, 2 Oct.
Dip score now
0
Grim · fresh breeze, onshore, choppy
Waves
1.7 m
12 s period from WSW · model cell 1.3 km out
Sea
15.8°
Grand. M3 buoy, south-west of Mizen Head, 307 km away.
Tide
3.6 m
Falling. Low at 16:05.
Wind
35 km/h
Fresh breeze, SW, onshore, gusts 58
Daylight
07:43
Sunrise. Sunset 19:16. Air 11°C.

Best dip each day

Daylight hours, preferring high tide
Today
14:00
Grim 21/100
moderate breeze, onshore, choppy, dry · 1.7 m · 26 km/h
▼ 03:35 ▲ 09:45 ▼ 16:05 ▲ 22:30
Sat, 3 Oct
09:00
Fresh 60/100
gentle breeze, dry, waves 1.4 m · 1.4 m · 17 km/h
▼ 04:30 ▲ 10:55 ▼ 17:25 ▲ 23:40
Sun, 4 Oct
12:00
Blowy 40/100
fresh breeze, onshore, choppy, dry · 1.5 m · 35 km/h
▼ 05:40 ▲ 12:10 ▼ 18:50
Mon, 5 Oct
19:00
Grim 27/100
moderate breeze, onshore, choppy, showers possible · 1.5 m · 26 km/h
▲ 01:15 ▼ 07:15 ▲ 13:40 ▼ 20:25
Tue, 6 Oct
16:00
Fresh 53/100
moderate breeze, dry, waves 1.2 m · 1.2 m · 28 km/h
▲ 02:50 ▼ 08:50 ▲ 14:55 ▼ 21:30
Wed, 7 Oct
13:00
Fresh 48/100
moderate breeze, onshore, choppy, showers possible · 27 km/h
▲ 03:55 ▼ 09:50 ▲ 16:00 ▼ 22:25
Thu, 8 Oct
13:00
Blowy 34/100
fresh breeze, onshore, choppy, showers possible · 37 km/h
▲ 04:40 ▼ 10:40 ▲ 16:45 ▼ 23:10

Week at a glance

Tap or drag to pick an hour. Everything below follows.
Fri 11:000 · Grimfresh breeze · onshore, choppy
Fri 2Sat 3Sun 4Mon 5Tue 6Wed 7Thu 80003060912151821Fri 10:00 · 1 GrimFri 11:00 · 0 GrimFri 12:00 · 17 GrimFri 13:00 · 10 GrimFri 14:00 · 21 GrimFri 15:00 · 1 GrimFri 16:00 · 0 GrimFri 17:00 · 0 GrimFri 18:00 · 0 GrimFri 19:00 · 20 GrimFri 20:00 · 24 Grim · nightFri 21:00 · 28 Blowy · nightFri 22:00 · 33 Blowy · nightFri 23:00 · 33 Blowy · nightSat 00:00 · 28 Blowy · nightSat 01:00 · 23 Grim · nightSat 02:00 · 19 Grim · nightSat 03:00 · 31 Blowy · nightSat 04:00 · 26 Grim · nightSat 05:00 · 26 Grim · nightSat 06:00 · 31 Blowy · nightSat 07:00 · 51 Fresh · nightSat 08:00 · 55 FreshSat 09:00 · 60 FreshSat 10:00 · 53 FreshSat 11:00 · 57 FreshSat 12:00 · 52 FreshSat 13:00 · 48 FreshSat 14:00 · 44 BlowySat 15:00 · 29 BlowySat 16:00 · 25 GrimSat 17:00 · 21 GrimSat 18:00 · 5 GrimSat 19:00 · 3 GrimSat 20:00 · 8 Grim · nightSat 21:00 · 12 Grim · nightSat 22:00 · 17 Grim · nightSat 23:00 · 5 Grim · nightSun 00:00 · 22 Grim · nightSun 01:00 · 2 Grim · nightSun 02:00 · 0 Grim · nightSun 03:00 · 8 Grim · nightSun 04:00 · 0 Grim · nightSun 05:00 · 0 Grim · nightSun 06:00 · 0 Grim · nightSun 07:00 · 2 Grim · nightSun 08:00 · 6 GrimSun 09:00 · 27 GrimSun 10:00 · 32 BlowySun 11:00 · 36 BlowySun 12:00 · 40 BlowySun 13:00 · 38 BlowySun 14:00 · 33 BlowySun 15:00 · 29 BlowySun 16:00 · 25 GrimSun 17:00 · 21 GrimSun 18:00 · 0 GrimSun 19:00 · 0 GrimSun 20:00 · 1 Grim · nightSun 21:00 · 5 Grim · nightSun 22:00 · 10 Grim · nightSun 23:00 · 14 Grim · nightMon 00:00 · 3 Grim · nightMon 01:00 · 23 Grim · nightMon 02:00 · 21 Grim · nightMon 03:00 · 32 Blowy · nightMon 04:00 · 11 Grim · nightMon 05:00 · 0 Grim · nightMon 06:00 · 2 Grim · nightMon 07:00 · 0 Grim · nightMon 10:00 · 0 GrimMon 13:00 · 13 GrimMon 16:00 · 22 GrimMon 19:00 · 27 GrimMon 22:00 · 28 Blowy · nightTue 01:00 · 41 Blowy · nightTue 04:00 · 39 Blowy · nightTue 07:00 · 31 Blowy · nightTue 10:00 · 27 GrimTue 13:00 · 49 FreshTue 16:00 · 53 FreshTue 19:00 · 41 BlowyTue 22:00 · 32 Blowy · nightWed 01:00 · 45 Fresh · nightWed 04:00 · 68 Decent · nightWed 07:00 · 53 Fresh · nightWed 10:00 · 35 BlowyWed 13:00 · 48 FreshWed 19:00 · 33 BlowyThu 01:00 · 36 Blowy · nightThu 07:00 · 51 Fresh · nightThu 13:00 · 34 BlowyThu 19:00 · 17 Grim

Fri, 2 Oct, 11:00

0 Grim
  • fresh breeze
  • onshore, choppy
  • rain
  • big sea 1.7 m
  • high tide
  • onshore wind
NESWsunrisesunset1.7 m35 km/h
faces 250° WSW · wind onshore
Waves
1.7 m @ 12 s from WSW
Wind
35 km/h SW · gusts 58
Tide
3.8 m · upper half
Air
11°C · 2.1 mm rain

Meteogram

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

Hour by hour

Next 48 hours
TimeDipWavesPeriodFromWindGustTideRainAirWhy
Today
11:000 Grim1.7 m (0.9 swell)12 sWSW35 km/h SW583.8 m 2.1 mm11°fresh breeze, onshore, choppy, rain
12:0017 Grim1.7 m (0.9 swell)12 sWSW28 km/h SW463.3 m 0.4 mm10°moderate breeze, onshore, choppy, showers possible
13:0010 Grim1.7 m (0.9 swell)11 sWSW29 km/h SW442.6 m 0.1 mm11°fresh breeze, onshore, choppy, dry
14:0021 Grim1.7 m (0.9 swell)11 sWSW26 km/h W421.9 m dry11°moderate breeze, onshore, choppy, dry
15:001 Grim1.6 m (0.9 swell)11 sWSW30 km/h WNW441.4 m ▼dry11°fresh breeze, onshore, choppy, dry
16:000 Grim1.6 m (0.9 swell)11 sWSW30 km/h W461.1 m ▼dry10°fresh breeze, onshore, choppy, dry
17:000 Grim1.6 m (0.9 swell)11 sWSW30 km/h W461.2 m ▼dry10°fresh breeze, onshore, choppy, dry
18:000 Grim1.6 m (0.8 swell)11 sWSW32 km/h W451.6 m dry10°fresh breeze, onshore, choppy, dry
19:0020 Grim1.6 m (0.8 swell)11 sWSW28 km/h W452.1 m dry9°moderate breeze, onshore, choppy, dry
20:0024 Grim1.6 m (0.8 swell)11 sWSW27 km/h W442.8 m dry9°moderate breeze, onshore, choppy, dry
21:0028 Blowy1.6 m (0.8 swell)11 sWSW27 km/h WNW433.3 m dry9°moderate breeze, onshore, choppy, dry
22:0033 Blowy1.6 m (0.8 swell)11 sWSW24 km/h W413.6 m ▲dry9°moderate breeze, onshore, choppy, dry
23:0033 Blowy1.5 m (0.8 swell)11 sWSW23 km/h W383.6 m ▲dry9°moderate breeze, onshore, choppy, dry
Saturday, 3 October
00:0028 Blowy1.5 m (0.8 swell)11 sWSW24 km/h W353.3 m dry9°moderate breeze, onshore, choppy, dry
01:0023 Grim1.5 m (0.8 swell)11 sWSW24 km/h WSW352.8 m dry10°moderate breeze, onshore, choppy, dry
02:0019 Grim1.5 m (0.7 swell)10 sWSW23 km/h WSW362.3 m dry10°moderate breeze, onshore, choppy, dry
03:0031 Blowy1.5 m (0.7 swell)10 sWSW26 km/h WSW361.8 m dry10°moderate breeze, onshore, choppy, dry
04:0026 Grim1.5 m (0.7 swell)10 sWSW24 km/h WSW361.4 m ▼dry10°moderate breeze, onshore, choppy, dry
05:0026 Grim1.5 m (0.7 swell)10 sWSW23 km/h WSW351.4 m ▼dry10°moderate breeze, onshore, choppy, dry
06:0031 Blowy1.4 m (0.7 swell)10 sWSW21 km/h WSW321.6 m dry10°moderate breeze, onshore, choppy, dry
07:0051 Fresh1.4 m (0.7 swell)10 sWSW18 km/h WSW302.1 m dry10°gentle breeze, dry, waves 1.4 m
08:0055 Fresh1.4 m (0.7 swell)10 sWSW17 km/h WSW282.7 m dry9°gentle breeze, dry, waves 1.4 m
09:0060 Fresh1.4 m (0.7 swell)10 sWSW17 km/h SW283.2 m dry10°gentle breeze, dry, waves 1.4 m
10:0053 Fresh1.4 m (0.7 swell)10 sWSW21 km/h SW313.6 m ▲dry11°moderate breeze, onshore, choppy, dry
11:0057 Fresh1.4 m (0.7 swell)10 sWSW26 km/h SW333.7 m ▲dry11°moderate breeze, onshore, choppy, dry
12:0052 Fresh1.4 m (0.7 swell)10 sWSW24 km/h SW353.6 m ▲dry11°moderate breeze, onshore, choppy, dry
13:0048 Fresh1.4 m (0.7 swell)10 sWSW26 km/h SSW393.2 m dry12°moderate breeze, onshore, choppy, dry
14:0044 Blowy1.4 m (0.7 swell)10 sWSW28 km/h SSW432.6 m dry12°moderate breeze, onshore, choppy, dry
15:0029 Blowy1.4 m (0.7 swell)10 sWSW31 km/h SSW472.0 m dry11°fresh breeze, dry, waves 1.4 m
16:0025 Grim1.5 m (0.7 swell)10 sWSW35 km/h SSW501.6 m dry11°fresh breeze, dry, waves 1.5 m
17:0021 Grim1.5 m (0.7 swell)10 sWSW37 km/h SSW531.3 m ▼dry11°fresh breeze, dry, waves 1.5 m
18:005 Grim1.5 m (0.7 swell)10 sWSW37 km/h SSW531.3 m ▼dry11°fresh breeze, dry, big sea 1.5 m
19:003 Grim1.5 m (0.7 swell)10 sWSW36 km/h SSW531.6 m dry11°fresh breeze, onshore, choppy, dry
20:008 Grim1.5 m (0.7 swell)10 sWSW36 km/h SSW532.0 m dry12°fresh breeze, onshore, choppy, dry
21:0012 Grim1.5 m (0.7 swell)10 sWSW37 km/h SSW532.5 m dry12°fresh breeze, onshore, choppy, dry
22:0017 Grim1.5 m (0.7 swell)10 sWSW39 km/h SSW533.0 m dry12°fresh breeze, onshore, choppy, dry
23:005 Grim1.5 m (0.7 swell)10 sWSW39 km/h SSW533.3 m ▲dry12°strong wind, onshore, choppy, dry
Sunday, 4 October
00:0022 Grim1.6 m (0.7 swell)10 sWSW37 km/h SSW533.4 m ▲dry12°fresh breeze, onshore, choppy, dry
01:002 Grim1.6 m (0.7 swell)10 sWSW39 km/h SSW543.2 m 0.1 mm12°strong wind, onshore, choppy, dry
02:000 Grim1.5 m (0.7 swell)10 sWSW39 km/h SSW542.9 m 0.1 mm12°strong wind, onshore, choppy, dry
03:008 Grim1.6 m (0.7 swell)10 sWSW38 km/h SW532.4 m dry12°fresh breeze, onshore, choppy, dry
04:000 Grim1.5 m (0.7 swell)10 sWSW39 km/h SSW532.0 m 0.1 mm12°strong wind, onshore, choppy, dry
05:000 Grim1.5 m (0.7 swell)10 sWSW39 km/h SW531.7 m ▼0.1 mm12°fresh breeze, onshore, choppy, dry
06:000 Grim1.5 m (0.7 swell)10 sWSW36 km/h SW511.6 m ▼0.1 mm12°fresh breeze, onshore, choppy, dry
07:002 Grim1.5 m (0.7 swell)10 sWSW34 km/h SW501.8 m 0.1 mm12°fresh breeze, onshore, choppy, dry
08:006 Grim1.5 m (0.7 swell)10 sWSW36 km/h SW442.1 m 0.1 mm12°fresh breeze, onshore, choppy, dry
09:0027 Grim1.5 m (0.7 swell)10 sWSW36 km/h SW442.6 m dry12°fresh breeze, onshore, choppy, dry
10:0032 Blowy1.5 m (0.7 swell)10 sWSW37 km/h SW453.0 m dry12°fresh breeze, onshore, choppy, dry

Where the energy comes from

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

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

Tide today

Achill Island (modelled), 6 km away · metres above chart datum
03:3509:4516:0522:30
Low 03:35 · 1.1 mHigh 09:45 · 4.0 mLow 16:05 · 1.1 mHigh 22:30 · 3.6 m

The spot

Faces
250° WSW
Swell window
ESE 110° → ENE 60°
Exposure
Open coast · model cell 1.3 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: YesToiletsParkingAccessible: Ramp leading to the beachDogs on lead (Dogs only allowed before 12pm and after 6.30pm during the bathing season (1st June to 15th September) otherwise allowed at all times onto beach.)

As listed by Mayo County Council. Open in Maps.

Sauna after?

Sabhna Saunas (Keel) · Keel Beach, Achill Island · 8 km · fixed

Sabhna Saunas (Dugort) · Dugort Blue Flag Beach, Achill Island · 12 km · fixed

Keem Beach is a sheltered sandy beach facing southeast with a steep gradient. Two freshwater streams flow into the sea from the surrounding land at Keem beach. Keem Beach has a variety of habitats including large shallow bays and inlets, reefs and mudflats and sandflats which support a variety of plant, animal and bird species. Keem Beach forms part of the Croaghan/Slievemore SAC and pNHA (Site Code 001955) and Achill Head SAC (Site Code 002268). Activities include swimming, surfing, sailing, canoeing, water skiing, jet skies, scuba-diving / snorkelling and fishing. The designated bathing area is approximately 300m in length and approximately 0.14km2 in area. The medium and maximum water depth within the designated bathing water is 0.5m and 5.0m respectively depending on tides.

Put Keem Beach, Achill Island 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
🌊 Keem Beach, Achill Island dip · Grim · sea 16° · 1.7 mFri, 2 Oct 13:30–14:30 · moderate breeze, onshore, choppy, dry
🌊 Keem Beach, Achill Island dip · Fresh · sea 16° · 1.4 mSat, 3 Oct 08:30–09:30 · gentle breeze, dry, waves 1.4 m
🌊 Keem Beach, Achill Island dip · Blowy · sea 16° · 1.5 mSun, 4 Oct 11:30–12:30 · fresh breeze, onshore, choppy, dry

Nearby spots

Lough Acorrymore

2 km · Co. Mayo · Not classified

Lough Corryntravy

3 km · Co. Mayo · Not classified

Lough Nakearoge

5 km · Co. Mayo · Not classified

Loch Mhullach a' Bhaile

5 km · Co. Mayo · Not classified

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