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Surf Forecasts:
Valley Left surfForecast / Mayo and Achill Island / Ireland
48hr Weather and Surf, issued 6 pm Monday 11 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
12.0° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Valley Left today?
The current surf forecast for Valley Left at 1AM is: 1.7m 9s primary swell from a Northwest direction (forecast issued at 06:00pm May 11). An open ocean swell of 0.7m 9s is not directed at the surf break, a second open ocean swell of 0.1m 20s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 7.5ft (2.3m) | 8s |
| Afternoon (12 May) | 8ft (2.5m) | 9s |
| Evening (12 May) | 11ft (3.5m) | 10s |
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 Wed night. Very mild (max 10°C on Mon afternoon, min 8°C on Wed night). Winds increasing (light winds from the WNW on Mon afternoon, strong winds from the WNW by Tue night). | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 9 | NW 10 | WNW 10 | WNW 10 | WNW 10 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | |
502 | 421 | 390 | 429 | 574 | 582 | 724 | 1034 | 1389 | 2085 | 2861 | 4184 | 6552 | 8084 | 7514 | 6245 | 5328 | 4206 | 3273 | 2812 | 2078 | 1838 | 1693 | 1311 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | |
High Tide | 2:16PM2.19m | 2:17AM2.66m | 3:14PM2.41m | 3:12AM2.83m | 4:02PM2.68m | 4:02AM3.02m | ||||||||||||||||||
Low Tide | 8:00PM1.16m | 9:00AM0.69m | 9:02PM0.99m | 9:44AM0.44m | 9:54PM0.78m | 10:26AM0.22m | ||||||||||||||||||
 |  |  |  |  |  | | | | | | |  | | | | | | | | |  | | | |
 | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:39 | — | — | — |
 | — | 9:28 | — | — | — | — | — | — | — | 9:30 | — | — | — | — | — | — | — | 9:31 | — | — | — | — | — | 9:32 |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | 3 | 2 | 1 | |
Temp °C | 10 | 9 | 10 | 10 | 10 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 8 | 8 | 9 | 10 |
5 | 6 | 5 | 5 | 4 | 2 | 3 | 3 | 3 | 2 | 1 | -2 | -2 | -1 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 0 | 2 | 3 | |
Swell 1 Height (m) Direction Period (s) | NW 9 | NW 9 | N 9 | N 9 | SW 19 | WNW 14 | WNW 13 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 |
 kJ | 502 | 421 | 99 | 76 | 15 | 36 | 57 | 13 | 50 | 49 | 49 | 49 | 49 | 47 | 44 | 41 | 40 | 40 | 40 | 40 | 40 | 39 | 37 | 34 |
Swell 2 Height (m) Direction Period (s) | N 9 | N 9 | SW 20 | SW 20 | S 8 | SW 19 | SW 19 | S 9 | S 9 | S 8 | S 8 | — | — | — | — | — | — | — | — | — | — | — | — | W 10 |
| kJ | 53 | 99 | 15 | 15 | 1 | 15 | 15 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 2 |
Swell 3 Height (m) Direction Period (s) | WNW 13 | SW 20 | SW 16 | SW 16 | SW 19 | S 9 | S 9 | SW 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 35 | 16 | 10 | 10 | 15 | 2 | 2 | 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 3 | NNW 3 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 9 | NW 10 | WNW 10 | WNW 10 | WNW 10 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 |
| kJ | 4 | 1 | 390 | 429 | 574 | 582 | 724 | 1034 | 1389 | 2085 | 2861 | 4184 | 6552 | 8084 | 7514 | 6245 | 5328 | 4206 | 3273 | 2812 | 2078 | 1838 | 1693 | 1311 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 331 | 226 | 191 | 276 | 276 | 276 | 531 | 779 | 562 | 562 | 562 | 562 | 579 | 579 | 663 | 579 | 663 | 1122 | 645 | 662 | 839 | 1177 | 1183 | 280 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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