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Surf Forecasts:
Valley Left surfForecast / Mayo and Achill Island / Ireland
48hr Weather and Surf, issued 6 pm Sunday 31 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
13.2° C
(Which is 1.1°C warmer than normal for this time of year)Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 17mm), heaviest on Tue night. Very mild (max 13°C on Sun afternoon, min 12°C on Mon night). Winds increasing (calm on Mon night, fresh winds from the SW by Wed morning). | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WNW 4 | W 3 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | cross | cross | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | |
High Tide | 6:42PM3.10m | 7:00AM2.79m | 7:17PM3.12m | 7:35AM2.73m | 7:53PM3.10m | 8:12AM2.63m | ||||||||||||||||||
Low Tide | 00:52AM0.53m | 12:54PM0.54m | 1:28AM0.55m | 1:27PM0.58m | 2:06AM0.60m | |||||||||||||||||||
 | |  | |  | |  | | | |  | | | |  | |  | | | | | | | | |
 | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — |
 | — | 9:59 | — | — | — | — | — | — | — | — | 10:00 | — | — | — | — | — | — | — | 10:01 | — | — | — | — | 10:02 |
— | — | 1 | 2 | — | — | 1 | 2 | 1 | — | — | — | — | — | 1 | — | — | — | — | 1 | 3 | 3 | 1 | 1 | |
Temp °C | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 13 | 12 |
9 | 9 | 10 | 10 | 9 | 10 | 11 | 11 | 9 | 10 | 11 | 11 | 13 | 12 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 6 | |
Swell 1 Height (m) Direction Period (s) | WSW 11 | WSW 11 | WSW 11 | N 10 | N 10 | WSW 10 | WSW 10 | WSW 10 | N 10 | N 9 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | N 8 | WSW 16 | WSW 10 | WSW 10 | WSW 13 | N 7 | N 7 | SSW 16 |
 kJ | 1162 | 885 | 955 | 49 | 48 | 770 | 661 | 603 | 29 | 26 | 551 | 475 | 407 | 333 | 313 | 475 | 11 | 85 | 746 | 692 | 1753 | 4 | 1 | 25 |
Swell 2 Height (m) Direction Period (s) | SW 15 | N 10 | N 10 | SW 14 | SW 14 | N 10 | N 10 | N 10 | SW 14 | SW 14 | N 9 | N 9 | N 9 | N 8 | N 8 | N 8 | W 16 | N 8 | W 15 | WSW 13 | N 7 | N 7 | N 9 | N 9 |
| kJ | 78 | 53 | 52 | 52 | 52 | 48 | 47 | 30 | 53 | 53 | 25 | 14 | 14 | 12 | 12 | 12 | 21 | 5 | 157 | 458 | 4 | 4 | 2 | 6 |
Swell 3 Height (m) Direction Period (s) | NNW 10 | SW 14 | SW 14 | N 10 | — | SW 14 | SW 14 | SW 14 | SW 20 | SW 19 | SW 14 | SW 14 | SW 14 | SW 13 | SSW 13 | SW 18 | SW 18 | SW 18 | N 8 | N 7 | SW 17 | — | — | N 9 |
| kJ | 34 | 73 | 72 | 2 | — | 53 | 73 | 53 | 15 | 15 | 53 | 32 | 29 | 27 | 17 | 12 | 12 | 12 | 4 | 4 | 11 | — | — | 2 |
Wind waves Height (m) Direction Period (s) | SW 3 | SSW 4 | — | WSW 11 | WSW 11 | SW 3 | — | — | WSW 10 | WSW 10 | — | — | — | — | WNW 4 | W 3 | WSW 10 | WSW 10 | — | — | SSW 5 | WSW 13 | WSW 12 | WSW 12 |
| kJ | 2 | 26 | — | 938 | 873 | 2 | — | — | 733 | 651 | — | — | — | — | 10 | 1 | 578 | 678 | — | — | 86 | 2278 | 2210 | 1837 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 55 | 29 | 48 | 48 | 48 | 55 | 32 | 48 | 48 | 55 | 48 | 35 | 10 | 48 | 55 | 226 | 226 | 275 | 29 | 29 | 29 | 48 | 55 | 255 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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