Dipper › Co. Mayo

Bertra Beach, Murrisk

Excellent Quality 2025 Blue Flag faces WNW

🌊 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
24
Grim · fresh breeze, rain
Waves
0.3 m
12 s period from WNW · model cell 1.7 km out
Sea
14.9°
Fresh. M2 buoy, Irish Sea east of Dublin, 281 km away.
Tide
3.6 m
Falling. Low at 15:50.
Wind
35 km/h
Fresh breeze, SW, cross, gusts 62
Daylight
07:41
Sunrise. Sunset 19:14. Air 16°C.

Best dip each day

Daylight hours, preferring high tide
Today
13:00
Fresh 61/100
moderate breeze, showers possible, calm sea · 0.3 m · 28 km/h
▼ 03:10 ▲ 09:40 ▼ 15:50 ▲ 22:20
Sat, 3 Oct
11:00
Grand 93/100
gentle breeze, dry, calm sea · 0.2 m · 19 km/h
▼ 04:10 ▲ 10:45 ▼ 17:05 ▲ 23:45
Sun, 4 Oct
12:00
Grand 84/100
moderate breeze, dry, calm sea · 0.2 m · 20 km/h
▼ 05:30 ▲ 12:05 ▼ 19:00
Mon, 5 Oct
13:00
Decent 73/100
moderate breeze, showers possible, calm sea · 0.2 m · 20 km/h
▲ 01:15 ▼ 07:20 ▲ 13:40 ▼ 20:30
Tue, 6 Oct
16:00
Grand 90/100
gentle breeze, dry, calm sea · 0.2 m · 17 km/h
▲ 02:55 ▼ 08:50 ▲ 15:00 ▼ 21:30
Wed, 7 Oct
19:00
Decent 70/100
gentle breeze, showers possible · 16 km/h
▲ 03:50 ▼ 09:50 ▲ 15:55 ▼ 22:25
Thu, 8 Oct
13:00
Decent 69/100
gentle breeze, showers possible · 13 km/h
▲ 04:35 ▼ 10:30 ▲ 16:40 ▼ 23:05

Week at a glance

Tap or drag to pick an hour. Everything below follows.
Fri 11:0024 · Grimfresh breeze · rain
Fri 2Sat 3Sun 4Mon 5Tue 6Wed 7Thu 80003060912151821Fri 10:00 · 44 BlowyFri 11:00 · 24 GrimFri 12:00 · 43 BlowyFri 13:00 · 61 FreshFri 14:00 · 42 BlowyFri 15:00 · 54 FreshFri 16:00 · 35 BlowyFri 17:00 · 39 BlowyFri 18:00 · 43 BlowyFri 19:00 · 45 FreshFri 20:00 · 49 Fresh · nightFri 21:00 · 53 Fresh · nightFri 22:00 · 74 Decent · nightFri 23:00 · 88 Grand · nightSat 00:00 · 83 Grand · nightSat 01:00 · 78 Decent · nightSat 02:00 · 73 Decent · nightSat 03:00 · 69 Decent · nightSat 04:00 · 64 Decent · nightSat 05:00 · 67 Decent · nightSat 06:00 · 71 Decent · nightSat 07:00 · 75 Decent · nightSat 08:00 · 79 DecentSat 09:00 · 84 GrandSat 10:00 · 91 GrandSat 11:00 · 93 GrandSat 12:00 · 88 GrandSat 13:00 · 84 GrandSat 14:00 · 80 GrandSat 15:00 · 75 DecentSat 16:00 · 61 FreshSat 17:00 · 56 FreshSat 18:00 · 60 FreshSat 19:00 · 64 DecentSat 20:00 · 68 Decent · nightSat 21:00 · 56 Fresh · nightSat 22:00 · 61 Fresh · nightSat 23:00 · 65 Decent · nightSun 00:00 · 67 Decent · nightSun 01:00 · 62 Decent · nightSun 02:00 · 57 Fresh · nightSun 03:00 · 52 Fresh · nightSun 04:00 · 47 Fresh · nightSun 05:00 · 42 Blowy · nightSun 06:00 · 42 Blowy · nightSun 07:00 · 46 Fresh · nightSun 08:00 · 59 FreshSun 09:00 · 63 DecentSun 10:00 · 75 DecentSun 11:00 · 79 DecentSun 12:00 · 84 GrandSun 13:00 · 72 DecentSun 14:00 · 76 DecentSun 15:00 · 72 DecentSun 16:00 · 68 DecentSun 17:00 · 64 DecentSun 18:00 · 60 FreshSun 19:00 · 56 FreshSun 20:00 · 60 Fresh · nightSun 21:00 · 65 Decent · nightSun 22:00 · 69 Decent · nightSun 23:00 · 74 Decent · nightMon 00:00 · 78 Decent · nightMon 01:00 · 77 Decent · nightMon 02:00 · 91 Grand · nightMon 03:00 · 76 Decent · nightMon 04:00 · 71 Decent · nightMon 05:00 · 61 Fresh · nightMon 06:00 · 56 Fresh · nightMon 07:00 · 58 Fresh · nightMon 10:00 · 54 FreshMon 13:00 · 73 DecentMon 16:00 · 66 DecentMon 19:00 · 64 DecentMon 22:00 · 65 Decent · nightTue 01:00 · 78 Decent · nightTue 04:00 · 81 Grand · nightTue 07:00 · 59 Fresh · nightTue 10:00 · 60 FreshTue 13:00 · 77 DecentTue 16:00 · 90 GrandTue 19:00 · 74 DecentTue 22:00 · 71 Decent · nightWed 01:00 · 76 Decent · nightWed 04:00 · 88 Grand · nightWed 07:00 · 74 Decent · nightWed 10:00 · 56 FreshWed 13:00 · 54 FreshWed 19:00 · 70 DecentThu 01:00 · 67 Decent · nightThu 07:00 · 86 Grand · nightThu 13:00 · 69 DecentThu 19:00 · 50 Fresh

Fri, 2 Oct, 11:00

24 Grim
  • fresh breeze
  • rain
  • calm sea
  • cross wind
NESWsunrisesunset0.3 m35 km/h
faces 297° WNW · wind cross
Waves
0.3 m @ 12 s from WNW
Wind
35 km/h SW · gusts 62
Tide
3.7 m · upper half
Air
16°C · 5.2 mm rain

Meteogram

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

Hour by hour

Next 48 hours
TimeDipWavesPeriodFromWindGustTideRainAirWhy
Today
11:0024 Grim0.3 m12 sWNW35 km/h SW623.7 m 5.2 mm16°fresh breeze, rain, calm sea
12:0043 Blowy0.3 m12 sWNW19 km/h WSW583.1 m 3.3 mm11°gentle breeze, rain, calm sea
13:0061 Fresh0.3 m12 sWNW28 km/h SW462.5 m 0.4 mm14°moderate breeze, showers possible, calm sea
14:0042 Blowy0.2 m11 sWNW31 km/h WSW431.9 m 0.1 mm15°fresh breeze, onshore, choppy, dry
15:0054 Fresh0.2 m11 sWNW26 km/h W411.4 m ▼dry14°moderate breeze, onshore, choppy, dry
16:0035 Blowy0.2 m11 sWNW30 km/h W441.3 m ▼dry14°fresh breeze, onshore, choppy, dry
17:0039 Blowy0.3 m11 sWNW30 km/h W451.4 m ▼dry14°fresh breeze, onshore, choppy, dry
18:0043 Blowy0.3 m11 sWNW31 km/h W421.8 m dry13°fresh breeze, onshore, choppy, dry
19:0045 Fresh0.3 m11 sWNW31 km/h W402.3 m dry13°fresh breeze, onshore, choppy, dry
20:0049 Fresh0.3 m11 sWNW31 km/h W372.8 m dry12°fresh breeze, onshore, choppy, dry
21:0053 Fresh0.3 m11 sWNW30 km/h W353.3 m dry12°fresh breeze, onshore, choppy, dry
22:0074 Decent0.3 m11 sWNW24 km/h W323.6 m ▲dry12°moderate breeze, onshore, choppy, dry
23:0088 Grand0.2 m11 sWNW18 km/h WSW293.6 m ▲dry12°gentle breeze, dry, calm sea
Saturday, 3 October
00:0083 Grand0.2 m11 sWNW17 km/h WSW263.3 m dry11°gentle breeze, dry, calm sea
01:0078 Decent0.2 m11 sWNW16 km/h SW252.8 m dry11°gentle breeze, dry, calm sea
02:0073 Decent0.2 m11 sWNW17 km/h SW252.2 m dry12°gentle breeze, dry, calm sea
03:0069 Decent0.2 m11 sWNW17 km/h SW251.8 m dry12°gentle breeze, dry, calm sea
04:0064 Decent0.2 m10 sWNW16 km/h SW251.6 m ▼dry12°gentle breeze, dry, calm sea
05:0067 Decent0.2 m10 sWNW16 km/h WSW241.6 m ▼dry12°gentle breeze, dry, calm sea
06:0071 Decent0.2 m10 sWNW15 km/h SW231.9 m dry12°gentle breeze, dry, calm sea
07:0075 Decent0.2 m10 sWNW16 km/h SW212.3 m dry11°gentle breeze, dry, calm sea
08:0079 Decent0.2 m10 sWNW15 km/h SSW192.8 m dry11°gentle breeze, dry, calm sea
09:0084 Grand0.2 m10 sWNW16 km/h SW193.2 m dry12°gentle breeze, dry, calm sea
10:0091 Grand0.2 m10 sWNW16 km/h SW203.5 m ▲dry13°gentle breeze, dry, calm sea
11:0093 Grand0.2 m10 sWNW19 km/h SW233.6 m ▲dry14°gentle breeze, dry, calm sea
12:0088 Grand0.2 m10 sWNW17 km/h WSW253.5 m dry15°gentle breeze, dry, calm sea
13:0084 Grand0.2 m10 sWNW15 km/h SW263.1 m dry16°gentle breeze, dry, calm sea
14:0080 Grand0.2 m10 sWNW15 km/h SW292.6 m dry16°gentle breeze, dry, calm sea
15:0075 Decent0.2 m10 sWNW17 km/h SW322.1 m dry16°gentle breeze, dry, calm sea
16:0061 Fresh0.2 m10 sWNW20 km/h SSW351.7 m ▼dry16°moderate breeze, dry, calm sea
17:0056 Fresh0.2 m10 sWNW23 km/h SSW361.5 m ▼dry15°moderate breeze, dry, calm sea
18:0060 Fresh0.2 m10 sWNW23 km/h SSW351.6 m ▼dry14°moderate breeze, dry, calm sea
19:0064 Decent0.2 m10 sWNW23 km/h SSW351.8 m dry14°moderate breeze, dry, calm sea
20:0068 Decent0.2 m10 sWNW27 km/h SSW352.1 m dry14°moderate breeze, dry, calm sea
21:0056 Fresh0.2 m10 sWNW31 km/h SSW382.6 m dry15°fresh breeze, dry, calm sea
22:0061 Fresh0.2 m10 sWNW30 km/h SSW403.0 m dry15°fresh breeze, dry, calm sea
23:0065 Decent0.2 m10 sWNW31 km/h SSW413.3 m ▲dry15°fresh breeze, dry, calm sea
Sunday, 4 October
00:0067 Decent0.2 m10 sWNW30 km/h SSW433.3 m ▲dry15°fresh breeze, dry, calm sea
01:0062 Decent0.2 m10 sWNW29 km/h SW453.2 m dry16°fresh breeze, dry, calm sea
02:0057 Fresh0.2 m10 sWNW29 km/h SSW452.9 m dry16°fresh breeze, dry, calm sea
03:0052 Fresh0.2 m10 sWNW29 km/h SW462.5 m 0.1 mm16°fresh breeze, dry, calm sea
04:0047 Fresh0.2 m10 sWNW31 km/h SW462.1 m 0.1 mm16°fresh breeze, dry, calm sea
05:0042 Blowy0.2 m10 sWNW32 km/h SSW471.9 m ▼0.1 mm16°fresh breeze, dry, calm sea
06:0042 Blowy0.2 m10 sWNW32 km/h SW471.9 m ▼0.1 mm16°fresh breeze, dry, calm sea
07:0046 Fresh0.2 m10 sWNW31 km/h SW462.0 m 0.1 mm16°fresh breeze, dry, calm sea
08:0059 Fresh0.2 m10 sWNW23 km/h WSW402.3 m 0.1 mm16°moderate breeze, showers possible, calm sea
09:0063 Decent0.2 m10 sWNW22 km/h SW402.6 m 0.1 mm16°moderate breeze, showers possible, calm sea
10:0075 Decent0.2 m10 sWNW23 km/h SW403.0 m 0.1 mm16°moderate breeze, dry, calm sea

Where the energy comes from

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

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

Tide today

Roonagh, 16 km away · metres above chart datum
03:1009:4015:5022:20
Low 03:10 · 1.2 mHigh 09:40 · 3.9 mLow 15:50 · 1.3 mHigh 22:20 · 3.6 m

The spot

Faces
297° WNW
Swell window
W 260° → N 350°
Exposure
Sheltered · model cell 1.7 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: YesDogs 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?

The Wild Atlantic Sauna (Slainte Saunas) · Old Head Beach, Louisburgh · 7 km · fixed

Big Dipper Sauna · Carrowniskey Beach, BigStyle Atlantic Lodge, Louisburgh · 18 km · fixed

Sweathouse (Renvyle) · Gurteen Pier, Renvyle, Connemara, Co. Galway · 29 km · fixed

Bertra beach consists of a sandy dune area with the centre of the designated bathing area enclosed by caged stone. Bertra Beach is an exposed beach and can be subject to rip tides/strong currents. The sand dunes consist of embryonic dunes and marrram dunes both of which are listed under Annex I of the EU Habitats Directive. Restoration work on the sand dunes due to erosion has taken place over the last decade and has reduced the extent of the erosion. Bertra Beach forms part of the Clew Bay Complex (SAC & SPA) Site Code 001482. In close proximity to Old Head Beach is Old Head SAC/pNHA (Site Code 000532). Bertra Beach lies at the foot of Croagh Patrick. Activities include swimming, surfing, canoeing and angling. The bathing water is approximately 1km2 in area. The medium and the maximum water depth within the designated bathing area is 0.5m and 5.0m respectively depending on the tides.

Put Bertra Beach, Murrisk 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
🌊 Bertra Beach, Murrisk dip · Fresh · sea 15° · 0.3 mFri, 2 Oct 12:30–13:30 · moderate breeze, showers possible, calm sea
🌊 Bertra Beach, Murrisk dip · Grand · sea 15° · 0.2 mSat, 3 Oct 10:30–11:30 · gentle breeze, dry, calm sea
🌊 Bertra Beach, Murrisk dip · Grand · sea 15° · 0.2 mSun, 4 Oct 11:30–12:30 · moderate breeze, dry, calm sea

Nearby spots

Parkmore Lough

2 km · Co. Mayo · Not classified

Annagh Lough

4 km · Co. Mayo · Not classified

Killadangan Lough

5 km · Co. Mayo · Not classified

Prospect Lough

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.