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Surf Forecasts:
Valley Left surfForecast / Mayo and Achill Island / Ireland
48hr Weather and Surf, issued 6 pm Wednesday 27 May 2026 ISTForecast update in hr min s Forecast update imminent
Valley Left surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Valley Left sea temperature is
12.2° C
(Which is normal for this time of year)How big are the waves at Valley Left today (27 May):
- Afternoon surf: Afternoon surf (27 May, local time) - 1ft (0.3m), 7s period with NW swell.
- Evening surf: Evening surf (27 May, local time) - 1ft (0.3m), 6s period with NW swell.
The current surf forecast for Valley Left at 10PM is: 0.2m 6s primary swell from a North-northwest direction and 0.4m 3s secondary swell from a East direction (forecast issued at 06:00pm May 27). An open ocean swell of 0.6m 9s is not directed at the surf break, a second open ocean swell of 0.4m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | - | - |
| Afternoon (27 May) | 1ft (0.3m) | 7s |
| Evening (27 May) | 1ft (0.3m) | 6s |
Table - waves today at Valley Left. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 7mm), mostly falling on Sat morning. Warm (max 25°C on Wed afternoon, min 12°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||||||
Wed 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 7 | NW 6 | NNW 6 | NNW 6 | NNW 6 | W 9 | SW 16 | NNW 6 | SSW 5 | NW 6 | WNW 8 | NW 10 | NW 10 | NW 9 | NW 9 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | NW 7 | WNW 7 | NW 7 | NW 7 | NW 8 | |
7 | 10 | 4 | 4 | 4 | 0 | 0 | 3 | 0 | 1 | 13 | 25 | 24 | 22 | 21 | 93 | 79 | 79 | 62 | 50 | 33 | 23 | 13 | 10 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | |
High Tide | 4:21PM2.70m | 4:25AM2.78m | 4:59PM2.84m | 5:07AM2.80m | 5:34PM2.96m | 5:46AM2.81m | ||||||||||||||||||
Low Tide | 10:18PM0.81m | 10:38AM0.52m | 11:01PM0.71m | 11:13AM0.51m | 11:39PM0.62m | 11:46AM0.51m | ||||||||||||||||||
 | |  | | |  |  | | | |  | |  |  | | | | | | | | | | | |
 | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:16 | — | — | — |
 | — | 9:53 | — | — | — | — | — | — | — | 9:54 | — | — | — | — | — | — | — | 9:57 | — | — | — | — | — | 9:58 |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | 2 | 2 | |
Temp °C | 25 | 23 | 20 | 18 | 17 | 15 | 15 | 15 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 12 | 13 | 13 | 12 | 12 | 12 |
23 | 22 | 19 | 16 | 15 | 14 | 14 | 12 | 10 | 9 | 9 | 7 | 7 | 8 | 7 | 7 | 9 | 9 | 9 | 10 | 9 | 7 | 7 | 8 | |
Swell 1 Height (m) Direction Period (s) | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | WNW 8 | WNW 8 | NW 10 | NW 10 | NW 9 | NW 9 | WNW 7 | WNW 7 | WNW 7 | SW 9 | NW 7 | WNW 7 | WSW 10 | WSW 12 | SW 16 |
 kJ | 87 | 81 | 58 | 57 | 39 | 38 | 35 | 22 | 21 | 22 | 13 | 25 | 24 | 22 | 21 | 93 | 79 | 79 | 370 | 50 | 33 | 77 | 260 | 85 |
Swell 2 Height (m) Direction Period (s) | NNE 5 | NNE 5 | NNE 5 | NNE 5 | NNE 5 | NNE 5 | NNE 5 | SW 16 | SW 16 | SW 16 | WNW 11 | W 12 | SW 16 | SW 17 | SW 15 | WSW 11 | WSW 11 | SW 16 | WNW 7 | SW 16 | WSW 10 | NW 7 | SW 16 | NW 8 |
| kJ | 10 | 8 | 8 | 8 | 9 | 5 | 2 | 41 | 41 | 66 | 11 | 3 | 42 | 75 | 34 | 107 | 143 | 85 | 62 | 89 | 67 | 23 | 90 | 10 |
Swell 3 Height (m) Direction Period (s) | NW 7 | NW 6 | NNW 6 | NNW 6 | NNW 6 | SSW 18 | SW 16 | NNW 6 | N 6 | NW 6 | — | W 12 | WSW 14 | SW 18 | SW 19 | SW 15 | SW 15 | S 11 | SW 16 | W 16 | SW 16 | SW 16 | NW 7 | WNW 8 |
| kJ | 7 | 10 | 4 | 4 | 4 | 30 | 42 | 3 | 3 | 1 | — | 3 | 18 | 51 | 14 | 78 | 80 | 2 | 87 | 5 | 91 | 93 | 13 | 6 |
Wind waves Height (m) Direction Period (s) | — | E 2 | E 3 | ESE 3 | ESE 3 | SE 2 | SSW 3 | SSW 4 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SW 6 | SW 6 | SW 7 | SW 7 | SW 8 | SW 9 | SSW 3 | SW 10 | SW 7 | SW 8 | SW 9 | WSW 12 |
| kJ | — | 1 | 2 | 3 | 3 | 1 | 3 | 13 | 59 | 97 | 178 | 216 | 212 | 233 | 342 | 277 | 292 | 450 | 2 | 489 | 248 | 320 | 798 | 2113 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 59 | 59 | 59 | 48 | 59 | 131 | 65 | 521 | 523 | 797 | 506 | 496 | 523 | 207 | 55 | 191 | 55 | 55 | 48 | 48 | 48 | 48 | 48 | 48 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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