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Surf Forecasts:
Valley Left surfForecast / Mayo and Achill Island / Ireland
48hr Weather and Surf, issued 12 pm Monday 25 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
11.9° C
(Which is normal for this time of year)Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 23°C on Wed afternoon, min 13°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Mon 25 | Tuesday 26 | Wednesday 27 | Thu 28 | |||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | NNE 4 | NNE 4 | NNE 4 | NNE 5 | NNE 5 | NNE 6 | NNE 5 | NNE 5 | NNE 5 | NNE 5 | NNE 5 | NNW 6 | NNW 6 | NNW 6 | W 9 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 18 | 29 | 49 | 46 | 34 | 24 | 17 | 17 | 17 | 15 | 4 | 4 | 4 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | |
High Tide | 2:40PM2.38m | 2:41AM2.79m | 3:35PM2.53m | 3:37AM2.78m | 4:21PM2.70m | 4:25AM2.78m | ||||||||||||||||||
Low Tide | 8:25AM0.62m | 8:27PM1.02m | 9:18AM0.58m | 9:28PM0.92m | 10:01AM0.55m | 10:18PM0.81m | ||||||||||||||||||
 |  | | |  | | | | | | | | | | | | | | | | | | | | |
 | 5:22 | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — |
 | — | — | — | 9:51 | — | — | — | — | — | — | — | 9:52 | — | — | — | — | — | — | — | 9:53 | — | — | — | 9:54 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 15 | 16 | 14 | 15 | 14 | 14 | 14 | 16 | 19 | 21 | 20 | 18 | 18 | 17 | 16 | 18 | 21 | 23 | 22 | 19 | 18 | 16 | 15 |
12 | 14 | 15 | 12 | 13 | 12 | 12 | 12 | 14 | 17 | 18 | 17 | 16 | 17 | 16 | 15 | 16 | 20 | 21 | 21 | 18 | 17 | 15 | 14 | |
Swell 1 Height (m) Direction Period (s) | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 |
 kJ | 1373 | 1266 | 1111 | 1113 | 1132 | 1122 | 1084 | 890 | 757 | 585 | 505 | 432 | 365 | 305 | 242 | 192 | 190 | 151 | 113 | 81 | 58 | 57 | 39 | 38 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 19 | SW 19 | SW 19 | SW 19 | NW 7 | SW 19 | SW 18 | SW 18 | NW 6 | NNE 5 | NNE 5 | NNE 5 | NNE 5 |
| kJ | 17 | 17 | 17 | 17 | 17 | 7 | 6 | 6 | 6 | 6 | 6 | 15 | 15 | 15 | 15 | 8 | 15 | 13 | 49 | 7 | 8 | 9 | 6 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SW 21 | SW 21 | SW 21 | SW 21 | W 21 | SW 20 | SW 12 | SW 12 | SW 13 | SW 13 | SW 19 | SW 13 | SW 12 | SW 12 | SW 18 | NNW 6 | NNW 6 | NNW 6 | SSW 18 |
| kJ | — | — | — | — | — | 18 | 18 | 18 | 18 | 9 | 16 | 6 | 6 | 6 | 6 | 15 | 6 | 6 | 6 | 49 | 4 | 4 | 4 | 30 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NNE 4 | NNE 4 | NNE 4 | NNE 5 | NNE 5 | NNE 6 | NNE 5 | NNE 5 | NNE 5 | NNE 5 | NNE 5 | E 2 | ESE 3 | ESE 3 | SSE 2 |
| kJ | — | — | — | — | — | — | — | — | — | 7 | 18 | 29 | 49 | 46 | 34 | 24 | 17 | 17 | 17 | 15 | 1 | 2 | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 110 | 110 | 128 | 110 | 10 | 10 | 10 | 10 | 32 | 32 | 12 | 10 | 10 | 10 | 10 | 10 | 10 | 12 | 59 | 59 | 48 | 59 | 65 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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