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Surf Forecasts:
Valley Left surfForecast / Mayo and Achill Island / Ireland
48hr Weather and Surf, issued 12 am 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
12.1° C
(Which is 1.1°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 4AM is: 1.8m 8s primary swell from a North-northwest direction (forecast issued at 12:00am May 11). An open ocean swell of 0.3m 9s is not directed at the surf break, a second open ocean swell of 0.1m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 4.5ft (1.3m) | 8s |
| Afternoon (11 May) | 5ft (1.6m) | 9s |
| Evening (11 May) | 5ft (1.6m) | 9s |
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 4mm), mostly falling on Sun night. Very mild (max 10°C on Sun night, min 9°C on Mon night). Winds increasing (light winds from the NW on Mon afternoon, strong winds from the NNW by Wed morning). | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | ||||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
NNW 8 | NNW 8 | NNW 8 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 7 | NW 8 | NW 9 | NW 9 | WNW 10 | WNW 10 | WNW 10 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | |
414 | 435 | 499 | 216 | 375 | 393 | 384 | 390 | 429 | 511 | 485 | 645 | 841 | 1282 | 1780 | 2264 | 2930 | 4764 | 6853 | 6689 | 6245 | 5403 | 4206 | 3278 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | |
High Tide | 1:15AM2.54m | 2:16PM2.19m | 2:17AM2.66m | 3:14PM2.41m | 3:12AM2.83m | 4:02PM2.68m | ||||||||||||||||||
Low Tide | 8:06AM0.92m | 8:00PM1.16m | 9:00AM0.69m | 9:02PM0.99m | 9:44AM0.44m | 9:54PM0.78m | ||||||||||||||||||
 |  |  |  | |  | | | |  |  | | | | | | |  | | |  | | | | |
 | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:28 | — | — | — | — | — | — | — | 9:30 | — | — | — | — | — | — | — | 9:31 | — |
— | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | — | — | — | |
Temp °C | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 10 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 10 |
5 | 4 | 5 | 5 | 4 | 5 | 7 | 5 | 4 | 4 | 2 | 3 | 3 | 3 | 2 | 1 | 0 | -1 | -1 | -1 | -1 | -1 | 1 | 2 | |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | NW 8 | NW 8 | NW 9 | NW 9 | N 9 | N 9 | SW 19 | WNW 14 | W 13 | W 12 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 |
 kJ | 15 | 14 | 14 | 216 | 375 | 393 | 384 | 99 | 56 | 15 | 61 | 82 | 76 | 50 | 49 | 49 | 49 | 49 | 47 | 44 | 41 | 40 | 40 | 40 |
Swell 2 Height (m) Direction Period (s) | — | S 9 | W 15 | W 9 | W 9 | N 9 | N 9 | SW 20 | SW 19 | S 8 | SW 19 | SW 19 | SW 18 | S 8 | S 8 | S 8 | — | — | — | — | — | — | — | — |
| kJ | — | 2 | 4 | 14 | 14 | 145 | 99 | 15 | 15 | 1 | 15 | 15 | 13 | 1 | 1 | 1 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | S 9 | NW 14 | WNW 14 | WNW 13 | W 8 | SW 16 | S 8 | S 15 | S 9 | S 9 | S 9 | S 8 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 2 | 8 | 18 | 35 | 6 | 10 | 1 | 4 | 2 | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 8 | NNW 8 | NNW 8 | N 8 | N 9 | NNW 3 | NNW 3 | NW 9 | NW 9 | NW 8 | NW 7 | NW 8 | NW 9 | NW 9 | WNW 10 | WNW 10 | WNW 10 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 |
| kJ | 414 | 435 | 499 | 320 | 209 | 3 | 2 | 390 | 429 | 511 | 485 | 645 | 841 | 1282 | 1780 | 2264 | 2930 | 4764 | 6853 | 6689 | 6245 | 5403 | 4206 | 3278 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 509 | 512 | 494 | 311 | 331 | 506 | 510 | 241 | 276 | 276 | 276 | 614 | 779 | 557 | 560 | 562 | 560 | 608 | 653 | 662 | 1205 | 1260 | 1169 | 545 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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