Dipper › Co. Mayo

Keem Beach, Achill Island

Excellent Quality 2025 Blue Flag faces WSW

Any tidePrefer highPrefer low
Met Éireann Yellow yellow; Moderate warning. Rain warning for Mayo Until 12:00 Fri, 2 Oct.
Surf score now
73
Decent · overhead 1.7 m, period 12 s
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
3.5 m
Falling. Low at 16:05.
Wind
28 km/h
Moderate breeze, SW, onshore, gusts 46
Daylight
07:43
Sunrise. Sunset 19:16. Air 10°C.

Best surf each day

Daylight hours
Today
12:00
Decent 73/100
overhead 1.7 m, period 12 s, onshore wind · 1.7 m · 28 km/h
▼ 03:35 ▲ 09:45 ▼ 16:05 ▲ 22:30
Sat, 3 Oct
15:00
Decent 71/100
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
08:00
Fresh 56/100
overhead 1.5 m, period 10 s, onshore wind · 1.5 m · 36 km/h
▼ 05:40 ▲ 12:10 ▼ 18:50
Mon, 5 Oct
16:00
Decent 73/100
overhead 1.5 m, period 10 s, onshore wind · 1.5 m · 27 km/h
▲ 01:15 ▼ 07:15 ▲ 13:40 ▼ 20:25
Tue, 6 Oct
10:00
Decent 71/100
chest-high 1.3 m, period 10 s, cross-shore wind · 1.3 m · 28 km/h
▲ 02:50 ▼ 08:50 ▲ 14:55 ▼ 21:30
Wed, 7 Oct
10:00
Grim 0/100
no wave data here · 26 km/h
▲ 03:55 ▼ 09:50 ▲ 16:00 ▼ 22:25
Thu, 8 Oct
13:00
Grim 0/100
no wave data here · 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 12:0073 · Decentoverhead 1.7 m · period 12 s
Fri 2Sat 3Sun 4Mon 5Tue 6Wed 7Thu 80003060912151821Fri 10:00 · 63 DecentFri 11:00 · 46 FreshFri 12:00 · 73 DecentFri 13:00 · 56 FreshFri 14:00 · 73 DecentFri 15:00 · 56 FreshFri 16:00 · 56 FreshFri 17:00 · 56 FreshFri 18:00 · 56 FreshFri 19:00 · 73 DecentFri 20:00 · 73 Decent · nightFri 21:00 · 73 Decent · nightFri 22:00 · 73 Decent · nightFri 23:00 · 73 Decent · nightSat 00:00 · 73 Decent · nightSat 01:00 · 73 Decent · nightSat 02:00 · 73 Decent · nightSat 03:00 · 63 Decent · nightSat 04:00 · 63 Decent · nightSat 05:00 · 63 Decent · nightSat 06:00 · 63 Decent · nightSat 07:00 · 63 Decent · nightSat 08:00 · 63 DecentSat 09:00 · 63 DecentSat 10:00 · 63 DecentSat 11:00 · 63 DecentSat 12:00 · 63 DecentSat 13:00 · 63 DecentSat 14:00 · 63 DecentSat 15:00 · 71 DecentSat 16:00 · 59 FreshSat 17:00 · 59 FreshSat 18:00 · 69 DecentSat 19:00 · 56 FreshSat 20:00 · 56 Fresh · nightSat 21:00 · 56 Fresh · nightSat 22:00 · 56 Fresh · nightSat 23:00 · 56 Fresh · nightSun 00:00 · 56 Fresh · nightSun 01:00 · 56 Fresh · nightSun 02:00 · 56 Fresh · nightSun 03:00 · 56 Fresh · nightSun 04:00 · 56 Fresh · nightSun 05:00 · 56 Fresh · nightSun 06:00 · 56 Fresh · nightSun 07:00 · 56 Fresh · nightSun 08:00 · 56 FreshSun 09:00 · 46 FreshSun 10:00 · 46 FreshSun 11:00 · 46 FreshSun 12:00 · 46 FreshSun 13:00 · 46 FreshSun 14:00 · 46 FreshSun 15:00 · 46 FreshSun 16:00 · 46 FreshSun 17:00 · 46 FreshSun 18:00 · 56 FreshSun 19:00 · 56 FreshSun 20:00 · 56 Fresh · nightSun 21:00 · 56 Fresh · nightSun 22:00 · 50 Fresh · nightSun 23:00 · 50 Fresh · nightMon 00:00 · 50 Fresh · nightMon 01:00 · 50 Fresh · nightMon 02:00 · 50 Fresh · nightMon 03:00 · 73 Decent · nightMon 04:00 · 56 Fresh · nightMon 05:00 · 56 Fresh · nightMon 06:00 · 56 Fresh · nightMon 07:00 · 56 Fresh · nightMon 10:00 · 56 FreshMon 13:00 · 56 FreshMon 16:00 · 73 DecentMon 19:00 · 63 DecentMon 22:00 · 63 Decent · nightTue 01:00 · 63 Decent · nightTue 04:00 · 63 Decent · nightTue 07:00 · 71 Decent · nightTue 10:00 · 71 DecentTue 13:00 · 71 DecentTue 16:00 · 71 DecentTue 19:00 · 71 DecentTue 22:00 · 71 Decent · nightWed 01:00 · 71 Decent · nightWed 04:00 · 0 Grim · nightWed 07:00 · 0 Grim · nightWed 10:00 · 0 GrimWed 13:00 · 0 GrimWed 19:00 · 0 GrimThu 01:00 · 0 Grim · nightThu 07:00 · 0 Grim · nightThu 13:00 · 0 GrimThu 19:00 · 0 Grim

Fri, 2 Oct, 12:00

73 Decent
  • overhead 1.7 m
  • period 12 s
  • onshore wind
  • onshore wind
NESWsunrisesunset1.7 m28 km/h
faces 250° WSW · wind onshore
Waves
1.7 m @ 12 s from WSW
Wind
28 km/h SW · gusts 46
Tide
3.3 m · upper half
Air
10°C · 0.4 mm rain

Meteogram

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

Hour by hour

Next 48 hours
TimeSurfWavesPeriodFromWindGustTideRainAirWhy
Today
11:0046 Fresh1.7 m (0.9 swell)12 sWSW35 km/h SW583.8 m 2.1 mm11°overhead 1.7 m, period 12 s, onshore wind
12:0073 Decent1.7 m (0.9 swell)12 sWSW28 km/h SW463.3 m 0.4 mm10°overhead 1.7 m, period 12 s, onshore wind
13:0056 Fresh1.7 m (0.9 swell)11 sWSW29 km/h SW442.6 m 0.1 mm11°overhead 1.7 m, period 11 s, onshore wind
14:0073 Decent1.7 m (0.9 swell)11 sWSW26 km/h W421.9 m dry11°overhead 1.7 m, period 11 s, onshore wind
15:0056 Fresh1.6 m (0.9 swell)11 sWSW30 km/h WNW441.4 m ▼dry11°overhead 1.6 m, period 11 s, onshore wind
16:0056 Fresh1.6 m (0.9 swell)11 sWSW30 km/h W461.1 m ▼dry10°overhead 1.6 m, period 11 s, onshore wind
17:0056 Fresh1.6 m (0.9 swell)11 sWSW30 km/h W461.2 m ▼dry10°overhead 1.6 m, period 11 s, onshore wind
18:0056 Fresh1.6 m (0.8 swell)11 sWSW32 km/h W451.6 m dry10°overhead 1.6 m, period 11 s, onshore wind
19:0073 Decent1.6 m (0.8 swell)11 sWSW28 km/h W452.1 m dry9°overhead 1.6 m, period 11 s, onshore wind
20:0073 Decent1.6 m (0.8 swell)11 sWSW27 km/h W442.8 m dry9°overhead 1.6 m, period 11 s, onshore wind
21:0073 Decent1.6 m (0.8 swell)11 sWSW27 km/h WNW433.3 m dry9°overhead 1.6 m, period 11 s, onshore wind
22:0073 Decent1.6 m (0.8 swell)11 sWSW24 km/h W413.6 m ▲dry9°overhead 1.6 m, period 11 s, onshore wind
23:0073 Decent1.5 m (0.8 swell)11 sWSW23 km/h W383.6 m ▲dry9°overhead 1.5 m, period 11 s, onshore wind
Saturday, 3 October
00:0073 Decent1.5 m (0.8 swell)11 sWSW24 km/h W353.3 m dry9°overhead 1.5 m, period 11 s, onshore wind
01:0073 Decent1.5 m (0.8 swell)11 sWSW24 km/h WSW352.8 m dry10°overhead 1.5 m, period 11 s, onshore wind
02:0073 Decent1.5 m (0.7 swell)10 sWSW23 km/h WSW362.3 m dry10°overhead 1.5 m, period 10 s, onshore wind
03:0063 Decent1.5 m (0.7 swell)10 sWSW26 km/h WSW361.8 m dry10°chest-high 1.5 m, period 10 s, onshore wind
04:0063 Decent1.5 m (0.7 swell)10 sWSW24 km/h WSW361.4 m ▼dry10°chest-high 1.5 m, period 10 s, onshore wind
05:0063 Decent1.5 m (0.7 swell)10 sWSW23 km/h WSW351.4 m ▼dry10°chest-high 1.5 m, period 10 s, onshore wind
06:0063 Decent1.4 m (0.7 swell)10 sWSW21 km/h WSW321.6 m dry10°chest-high 1.4 m, period 10 s, onshore wind
07:0063 Decent1.4 m (0.7 swell)10 sWSW18 km/h WSW302.1 m dry10°chest-high 1.4 m, period 10 s, onshore wind
08:0063 Decent1.4 m (0.7 swell)10 sWSW17 km/h WSW282.7 m dry9°chest-high 1.4 m, period 10 s, onshore wind
09:0063 Decent1.4 m (0.7 swell)10 sWSW17 km/h SW283.2 m dry10°chest-high 1.4 m, period 10 s, onshore wind
10:0063 Decent1.4 m (0.7 swell)10 sWSW21 km/h SW313.6 m ▲dry11°chest-high 1.4 m, period 10 s, onshore wind
11:0063 Decent1.4 m (0.7 swell)10 sWSW26 km/h SW333.7 m ▲dry11°chest-high 1.4 m, period 10 s, onshore wind
12:0063 Decent1.4 m (0.7 swell)10 sWSW24 km/h SW353.6 m ▲dry11°chest-high 1.4 m, period 10 s, onshore wind
13:0063 Decent1.4 m (0.7 swell)10 sWSW26 km/h SSW393.2 m dry12°chest-high 1.4 m, period 10 s, onshore wind
14:0063 Decent1.4 m (0.7 swell)10 sWSW28 km/h SSW432.6 m dry12°chest-high 1.4 m, period 10 s, onshore wind
15:0071 Decent1.4 m (0.7 swell)10 sWSW31 km/h SSW472.0 m dry11°chest-high 1.4 m, period 10 s, cross-shore wind
16:0059 Fresh1.5 m (0.7 swell)10 sWSW35 km/h SSW501.6 m dry11°chest-high 1.5 m, period 10 s, cross-shore wind
17:0059 Fresh1.5 m (0.7 swell)10 sWSW37 km/h SSW531.3 m ▼dry11°chest-high 1.5 m, period 10 s, cross-shore wind
18:0069 Decent1.5 m (0.7 swell)10 sWSW37 km/h SSW531.3 m ▼dry11°overhead 1.5 m, period 10 s, cross-shore wind
19:0056 Fresh1.5 m (0.7 swell)10 sWSW36 km/h SSW531.6 m dry11°overhead 1.5 m, period 10 s, onshore wind
20:0056 Fresh1.5 m (0.7 swell)10 sWSW36 km/h SSW532.0 m dry12°overhead 1.5 m, period 10 s, onshore wind
21:0056 Fresh1.5 m (0.7 swell)10 sWSW37 km/h SSW532.5 m dry12°overhead 1.5 m, period 10 s, onshore wind
22:0056 Fresh1.5 m (0.7 swell)10 sWSW39 km/h SSW533.0 m dry12°overhead 1.5 m, period 10 s, onshore wind
23:0056 Fresh1.5 m (0.7 swell)10 sWSW39 km/h SSW533.3 m ▲dry12°overhead 1.5 m, period 10 s, onshore wind
Sunday, 4 October
00:0056 Fresh1.6 m (0.7 swell)10 sWSW37 km/h SSW533.4 m ▲dry12°overhead 1.5 m, period 10 s, onshore wind
01:0056 Fresh1.6 m (0.7 swell)10 sWSW39 km/h SSW543.2 m 0.1 mm12°overhead 1.6 m, period 10 s, onshore wind
02:0056 Fresh1.5 m (0.7 swell)10 sWSW39 km/h SSW542.9 m 0.1 mm12°overhead 1.5 m, period 10 s, onshore wind
03:0056 Fresh1.6 m (0.7 swell)10 sWSW38 km/h SW532.4 m dry12°overhead 1.5 m, period 10 s, onshore wind
04:0056 Fresh1.5 m (0.7 swell)10 sWSW39 km/h SSW532.0 m 0.1 mm12°overhead 1.5 m, period 10 s, onshore wind
05:0056 Fresh1.5 m (0.7 swell)10 sWSW39 km/h SW531.7 m ▼0.1 mm12°overhead 1.5 m, period 10 s, onshore wind
06:0056 Fresh1.5 m (0.7 swell)10 sWSW36 km/h SW511.6 m ▼0.1 mm12°overhead 1.5 m, period 10 s, onshore wind
07:0056 Fresh1.5 m (0.7 swell)10 sWSW34 km/h SW501.8 m 0.1 mm12°overhead 1.5 m, period 10 s, onshore wind
08:0056 Fresh1.5 m (0.7 swell)10 sWSW36 km/h SW442.1 m 0.1 mm12°overhead 1.5 m, period 10 s, onshore wind
09:0046 Fresh1.5 m (0.7 swell)10 sWSW36 km/h SW442.6 m dry12°chest-high 1.5 m, period 10 s, onshore wind
10:0046 Fresh1.5 m (0.7 swell)10 sWSW37 km/h SW453.0 m dry12°chest-high 1.5 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 · Decent · sea 16° · 1.7 mFri, 2 Oct 11:30–12:30 · overhead 1.7 m, period 12 s, onshore wind
🏄 Keem Beach, Achill Island surf · Decent · sea 16° · 1.4 mSat, 3 Oct 14:30–15:30 · chest-high 1.4 m, period 10 s, cross-shore wind
🏄 Keem Beach, Achill Island surf · Fresh · sea 16° · 1.5 mSun, 4 Oct 07:30–08:30 · overhead 1.5 m, period 10 s, onshore wind

Nearby spots

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