Dipper › Co. Mayo

Keem Beach, Achill Island

Excellent Quality 2025 Blue Flag faces WSW

🌊 Dip🏄 Surf
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Surf score now
52
Fresh · overhead 1.6 m, period 11 s
Waves
1.6 m
11 s period from WSW · model cell 1.3 km out
Sea
15.4°
Grand. M3 buoy, south-west of Mizen Head, 307 km away.
Tide
1.3 m
Rising. High at 22:30.
Wind
32 km/h
Fresh breeze, W, onshore, gusts 48
Daylight
07:43
Sunrise. Sunset 19:16. Air 10°C.

Best surf each day

Daylight hours, preferring low tide
Today
17:00
Fresh 53/100
overhead 1.6 m, period 11 s, onshore wind · 1.6 m · 32 km/h
▼ 03:35 ▲ 09:45 ▼ 16:05 ▲ 22:30
Sat, 3 Oct
17:00
Decent 70/100
chest-high 1.4 m, period 10 s, cross-shore wind · 1.4 m · 31 km/h
▼ 04:30 ▲ 10:55 ▼ 17:25 ▲ 23:40
Sun, 4 Oct
19:00
Fresh 45/100
chest-high 1.4 m, period 10 s, onshore wind · 1.4 m · 36 km/h
▼ 05:40 ▲ 12:10 ▼ 18:50
Mon, 5 Oct
08:00
Fresh 54/100
overhead 1.5 m, period 11 s, onshore wind · 1.5 m · 32 km/h
▲ 01:15 ▼ 07:15 ▲ 13:40 ▼ 20:25
Tue, 6 Oct
10:00
Decent 67/100
chest-high 1.2 m, period 10 s, cross-shore wind · 1.2 m · 24 km/h
▲ 02:50 ▼ 08:50 ▲ 14:55 ▼ 21:30
Wed, 7 Oct
10:00
Fresh 45/100
waist-high 0.8 m, period 9 s, cross-shore wind · 0.8 m · 26 km/h
▲ 03:55 ▼ 09:50 ▲ 16:00 ▼ 22:25
Thu, 8 Oct
13:00
Grim 0/100
no wave data here · 21 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 17:0053 · Freshoverhead 1.6 m · period 11 s
Fri 2Sat 3Sun 4Mon 5Tue 6Wed 7Thu 80003060912151821Fri 16:00 · 56 FreshFri 17:00 · 53 FreshFri 18:00 · 50 FreshFri 19:00 · 47 FreshFri 20:00 · 44 Blowy · nightFri 21:00 · 58 Fresh · nightFri 22:00 · 55 Fresh · nightFri 23:00 · 55 Fresh · nightSat 00:00 · 58 Fresh · nightSat 01:00 · 61 Fresh · nightSat 02:00 · 65 Decent · nightSat 03:00 · 68 Decent · nightSat 04:00 · 71 Decent · nightSat 05:00 · 71 Decent · nightSat 06:00 · 58 Fresh · nightSat 07:00 · 55 Fresh · nightSat 08:00 · 52 FreshSat 09:00 · 49 FreshSat 10:00 · 46 FreshSat 11:00 · 43 BlowySat 12:00 · 46 FreshSat 13:00 · 57 FreshSat 14:00 · 60 FreshSat 15:00 · 64 DecentSat 16:00 · 67 DecentSat 17:00 · 70 DecentSat 18:00 · 57 FreshSat 19:00 · 41 BlowySat 20:00 · 51 Fresh · nightSat 21:00 · 30 Blowy · nightSat 22:00 · 49 Fresh · nightSat 23:00 · 46 Fresh · nightSun 00:00 · 45 Fresh · nightSun 01:00 · 35 Blowy · nightSun 02:00 · 39 Blowy · nightSun 03:00 · 42 Blowy · nightSun 04:00 · 45 Fresh · nightSun 05:00 · 54 Fresh · nightSun 06:00 · 45 Fresh · nightSun 07:00 · 42 Blowy · nightSun 08:00 · 39 BlowySun 09:00 · 36 BlowySun 10:00 · 33 BlowySun 11:00 · 30 BlowySun 12:00 · 27 GrimSun 13:00 · 29 BlowySun 14:00 · 32 BlowySun 15:00 · 35 BlowySun 16:00 · 38 BlowySun 17:00 · 41 BlowySun 18:00 · 44 BlowySun 19:00 · 45 FreshSun 20:00 · 42 Blowy · nightSun 21:00 · 39 Blowy · nightSun 22:00 · 36 Blowy · nightSun 23:00 · 33 Blowy · nightMon 00:00 · 30 Blowy · nightMon 01:00 · 37 Blowy · nightMon 02:00 · 29 Blowy · nightMon 03:00 · 42 Blowy · nightMon 04:00 · 45 Fresh · nightMon 05:00 · 49 Fresh · nightMon 06:00 · 52 Fresh · nightMon 07:00 · 72 Decent · nightMon 08:00 · 54 FreshMon 09:00 · 51 FreshMon 10:00 · 37 BlowyMon 11:00 · 34 BlowyMon 12:00 · 31 BlowyMon 13:00 · 28 BlowyMon 14:00 · 27 GrimMon 15:00 · 30 BlowyMon 16:00 · 33 BlowyMon 17:00 · 36 BlowyMon 18:00 · 39 BlowyMon 19:00 · 42 BlowyMon 22:00 · 58 Fresh · nightTue 01:00 · 49 Fresh · nightTue 04:00 · 55 Fresh · nightTue 07:00 · 65 Decent · nightTue 10:00 · 67 DecentTue 13:00 · 57 FreshTue 16:00 · 54 FreshTue 19:00 · 63 DecentTue 22:00 · 52 Fresh · nightWed 01:00 · 35 Blowy · nightWed 04:00 · 26 Grim · nightWed 07:00 · 36 Blowy · nightWed 10:00 · 45 FreshWed 13:00 · 28 BlowyWed 16:00 · 26 GrimWed 19:00 · 35 BlowyWed 22:00 · 45 Fresh · nightThu 01:00 · 51 Fresh · nightThu 07:00 · 0 Grim · nightThu 13:00 · 0 GrimThu 19:00 · 0 Grim

Fri, 2 Oct, 17:00

53 Fresh
  • overhead 1.6 m
  • period 11 s
  • onshore wind
  • low-ish tide
  • onshore wind
NESWsunrisesunset1.6 m32 km/h
faces 250° WSW · wind onshore
Waves
1.6 m @ 11 s from WSW
Wind
32 km/h W · gusts 48
Tide
1.2 m · low
Air
10°C · dry

Meteogram

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

Hour by hour

Next 48 hours
TimeSurfWavesPeriodFromWindGustTideRainAirWhy
Today
17:0053 Fresh1.6 m (0.9 swell)11 sWSW32 km/h W481.2 m ▼dry10°overhead 1.6 m, period 11 s, onshore wind
18:0050 Fresh1.6 m (0.9 swell)11 sWSW33 km/h W481.6 m dry9°overhead 1.6 m, period 11 s, onshore wind
19:0047 Fresh1.6 m (0.8 swell)11 sWSW32 km/h W462.1 m dry9°overhead 1.6 m, period 11 s, onshore wind
20:0044 Blowy1.6 m (0.8 swell)11 sWSW30 km/h W452.8 m dry9°overhead 1.6 m, period 11 s, onshore wind
21:0058 Fresh1.6 m (0.8 swell)11 sWSW27 km/h W443.3 m dry9°overhead 1.6 m, period 11 s, onshore wind
22:0055 Fresh1.6 m (0.8 swell)11 sWSW24 km/h W423.6 m ▲dry9°overhead 1.6 m, period 11 s, onshore wind
23:0055 Fresh1.6 m (0.8 swell)11 sWSW23 km/h W403.6 m ▲dry9°overhead 1.6 m, period 11 s, onshore wind
Saturday, 3 October
00:0058 Fresh1.6 m (0.8 swell)11 sWSW24 km/h W373.3 m dry9°overhead 1.6 m, period 10 s, onshore wind
01:0061 Fresh1.6 m (0.8 swell)10 sWSW23 km/h WSW362.8 m dry9°overhead 1.6 m, period 10 s, onshore wind
02:0065 Decent1.6 m (0.8 swell)10 sWSW23 km/h WSW362.3 m dry9°overhead 1.6 m, period 10 s, onshore wind
03:0068 Decent1.5 m (0.8 swell)10 sWSW23 km/h WSW371.8 m dry10°overhead 1.5 m, period 10 s, onshore wind
04:0071 Decent1.5 m (0.8 swell)10 sWSW25 km/h WSW371.4 m ▼dry10°overhead 1.5 m, period 10 s, onshore wind
05:0071 Decent1.5 m (0.8 swell)10 sWSW22 km/h W371.4 m ▼dry10°overhead 1.5 m, period 10 s, onshore wind
06:0058 Fresh1.5 m (0.8 swell)10 sWSW21 km/h W351.6 m dry10°chest-high 1.5 m, period 10 s, onshore wind
07:0055 Fresh1.5 m (0.8 swell)10 sWSW19 km/h WSW322.1 m dry9°chest-high 1.5 m, period 10 s, onshore wind
08:0052 Fresh1.5 m (0.8 swell)10 sWSW18 km/h W292.7 m dry9°chest-high 1.5 m, period 10 s, onshore wind
09:0049 Fresh1.4 m (0.8 swell)10 sWSW17 km/h WSW283.2 m dry10°chest-high 1.4 m, period 10 s, onshore wind
10:0046 Fresh1.4 m (0.8 swell)10 sWSW14 km/h WSW303.6 m ▲dry10°chest-high 1.4 m, period 10 s, onshore wind
11:0043 Blowy1.4 m (0.7 swell)10 sWSW17 km/h SW323.7 m ▲dry11°chest-high 1.4 m, period 10 s, onshore wind
12:0046 Fresh1.4 m (0.8 swell)10 sWSW17 km/h SSW343.6 m ▲dry11°chest-high 1.4 m, period 10 s, onshore wind
13:0057 Fresh1.4 m (0.8 swell)10 sWSW22 km/h SSW373.2 m dry11°chest-high 1.4 m, period 10 s, cross-shore wind
14:0060 Fresh1.4 m (0.8 swell)10 sWSW25 km/h SSW402.6 m dry11°chest-high 1.4 m, period 10 s, cross-shore wind
15:0064 Decent1.4 m (0.8 swell)10 sWSW27 km/h SSW432.0 m dry11°chest-high 1.4 m, period 10 s, cross-shore wind
16:0067 Decent1.4 m (0.8 swell)10 sWSW29 km/h SSW471.6 m dry11°chest-high 1.4 m, period 10 s, cross-shore wind
17:0070 Decent1.4 m (0.8 swell)10 sWSW31 km/h SSW501.3 m ▼dry11°chest-high 1.4 m, period 10 s, cross-shore wind
18:0057 Fresh1.4 m (0.8 swell)10 sWSW32 km/h SSW531.3 m ▼dry11°chest-high 1.4 m, period 10 s, cross-shore wind
19:0041 Blowy1.5 m (0.8 swell)10 sWSW33 km/h SSW541.6 m dry11°chest-high 1.5 m, period 10 s, onshore wind
20:0051 Fresh1.5 m (0.8 swell)10 sWSW33 km/h SSW542.0 m dry11°chest-high 1.5 m, period 10 s, cross-shore wind
21:0030 Blowy1.5 m (0.8 swell)10 sWSW35 km/h SSW552.5 m dry11°chest-high 1.5 m, period 10 s, onshore wind
22:0049 Fresh1.5 m (0.8 swell)10 sWSW37 km/h SSW553.0 m dry11°overhead 1.5 m, period 10 s, cross-shore wind
23:0046 Fresh1.5 m (0.8 swell)10 sWSW38 km/h SSW553.3 m ▲dry11°overhead 1.5 m, period 10 s, cross-shore wind
Sunday, 4 October
00:0045 Fresh1.5 m (0.8 swell)10 sWSW39 km/h SSW553.4 m ▲dry12°overhead 1.5 m, period 10 s, cross-shore wind
01:0035 Blowy1.5 m (0.8 swell)10 sWSW40 km/h SSW563.2 m dry12°overhead 1.5 m, period 10 s, onshore wind
02:0039 Blowy1.5 m (0.8 swell)11 sWSW39 km/h SSW562.9 m 0.1 mm12°overhead 1.5 m, period 10 s, onshore wind
03:0042 Blowy1.5 m (0.8 swell)11 sWSW36 km/h SSW562.4 m 0.1 mm12°overhead 1.5 m, period 10 s, onshore wind
04:0045 Fresh1.5 m (0.8 swell)11 sWSW36 km/h SSW552.0 m 0.1 mm12°overhead 1.5 m, period 10 s, onshore wind
05:0054 Fresh1.5 m (0.8 swell)11 sWSW36 km/h SW531.7 m ▼0.1 mm12°overhead 1.5 m, period 11 s, onshore wind
06:0045 Fresh1.5 m (0.8 swell)11 sWSW36 km/h SW511.6 m ▼0.1 mm12°chest-high 1.5 m, period 11 s, onshore wind
07:0042 Blowy1.5 m (0.8 swell)11 sWSW35 km/h SW511.8 m 0.1 mm12°chest-high 1.5 m, period 10 s, onshore wind
08:0039 Blowy1.5 m (0.8 swell)11 sWSW35 km/h SW502.1 m 0.1 mm12°chest-high 1.5 m, period 10 s, onshore wind
09:0036 Blowy1.5 m (0.8 swell)10 sWSW35 km/h SW502.6 m 0.1 mm12°chest-high 1.5 m, period 10 s, onshore wind
10:0033 Blowy1.5 m (0.7 swell)10 sWSW32 km/h SW493.0 m 0.1 mm12°chest-high 1.5 m, period 10 s, onshore wind
11:0030 Blowy1.5 m (0.7 swell)10 sWSW31 km/h SW493.4 m ▲0.1 mm12°chest-high 1.5 m, period 10 s, onshore wind
12:0027 Grim1.5 m (0.7 swell)10 sWSW31 km/h SW493.5 m ▲dry12°chest-high 1.5 m, period 10 s, onshore wind
13:0029 Blowy1.5 m (0.7 swell)10 sWSW31 km/h SW493.5 m ▲dry12°chest-high 1.5 m, period 10 s, onshore wind
14:0032 Blowy1.5 m (0.7 swell)10 sWSW36 km/h SW463.2 m 0.1 mm12°chest-high 1.5 m, period 10 s, onshore wind
15:0035 Blowy1.4 m (0.7 swell)10 sWSW34 km/h SW462.8 m dry12°chest-high 1.4 m, period 10 s, onshore wind
16:0038 Blowy1.4 m (0.7 swell)10 sWSW35 km/h SW432.3 m 0.3 mm12°chest-high 1.4 m, period 10 s, onshore wind

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 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
🏄 Keem Beach, Achill Island surf · Fresh · sea 15° · 1.6 mFri, 2 Oct 16:30–17:30 · overhead 1.6 m, period 11 s, onshore wind
🏄 Keem Beach, Achill Island surf · Decent · sea 15° · 1.4 mSat, 3 Oct 16:30–17:30 · chest-high 1.4 m, period 10 s, cross-shore wind
🏄 Keem Beach, Achill Island surf · Fresh · sea 15° · 1.4 mSun, 4 Oct 18:30–19:30 · chest-high 1.4 m, period 10 s, onshore wind

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.