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Surf Forecasts:
Valley Left surfForecast / Mayo and Achill Island / Ireland
48hr Weather and Surf, issued 12 am Friday 15 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
11.7° C
(Which is slightly warmer than usual)How big are the waves at Valley Left today?
The current surf forecast for Valley Left at 3AM is: 1.7m 8s primary swell from a North-northwest direction (forecast issued at 12:00am May 15). An open ocean swell of 0.4m 9s is not directed at the surf break, a second open ocean swell of 0.3m 14s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 3.5ft (1.0m) | 8s |
| Afternoon (15 May) | 2.5ft (0.8m) | 8s |
| Evening (15 May) | 3.5ft (1.0m) | 7s |
Table - waves today at Valley Left. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 13mm), heaviest on Sun morning. Very mild (max 11°C on Fri night, min 8°C on Sun morning). Winds increasing (light winds from the SW on Fri afternoon, fresh winds from the SW by Sat night). | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
NW 8 | NNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 8 | WNW 8 | WNW 7 | WNW 7 | W 8 | W 7 | WNW 7 | WNW 7 | W 12 | W 14 | W 14 | W 13 | W 13 | W 12 | W 13 | W 12 | W 12 | W 12 | W 12 | |
238 | 392 | 166 | 123 | 107 | 67 | 120 | 117 | 140 | 0 | 0 | 181 | 219 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | cross-on | cross-on | cross | cross-off | off | cross | cross-off | cross-off | cross-on | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross | |
High Tide | 4:50AM3.19m | 5:28PM3.19m | 5:38AM3.31m | 6:10PM3.37m | 6:26AM3.35m | 6:53PM3.48m | ||||||||||||||||||
Low Tide | 10:42PM0.54m | 11:08AM0.06m | 11:28PM0.32m | 11:50AM-0.01m | 00:14AM0.14m | 12:32PM0.00m | ||||||||||||||||||
 | |  | | |  | | |  | |  |  | | |  |  | | | | | | | |  | |
 | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:35 | — | — | — | — | — | — | — | 9:37 | — | — | — | — | — | — | — | 9:37 | — |
— | — | — | — | — | — | — | — | 1 | — | 1 | 1 | — | — | — | — | — | — | 1 | 4 | 3 | 1 | 1 | — | |
Temp °C | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 10 | 11 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 10 | 10 | 9 |
3 | 4 | 4 | 6 | 6 | 6 | 7 | 6 | 7 | 8 | 6 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 1 | 3 | 3 | 3 | 3 | 3 | |
Swell 1 Height (m) Direction Period (s) | NW 8 | W 9 | N 8 | N 8 | WNW 8 | N 7 | WNW 8 | N 7 | N 7 | W 8 | N 7 | W 13 | W 13 | N 10 | N 10 | NNE 10 | NNE 10 | N 10 | N 10 | N 10 | W 12 | W 12 | W 12 | W 12 |
 kJ | 238 | 24 | 172 | 135 | 107 | 88 | 120 | 52 | 39 | 138 | 38 | 130 | 219 | 52 | 52 | 33 | 33 | 31 | 17 | 17 | 3310 | 2725 | 2426 | 1947 |
Swell 2 Height (m) Direction Period (s) | W 9 | SW 14 | WNW 8 | WNW 8 | N 7 | NW 8 | N 7 | W 9 | SSW 13 | N 7 | WNW 14 | NNE 8 | N 10 | W 16 | SW 13 | SW 13 | SW 13 | SW 13 | — | N 10 | N 10 | N 10 | N 10 | N 10 |
| kJ | 15 | 33 | 166 | 123 | 108 | 67 | 68 | 15 | 18 | 39 | 70 | 21 | 52 | 124 | 7 | 7 | 7 | 7 | — | 17 | 17 | 17 | 17 | 17 |
Swell 3 Height (m) Direction Period (s) | SW 15 | SSW 14 | W 9 | W 9 | W 9 | W 7 | W 9 | SSW 13 | W 16 | W 15 | SW 13 | N 10 | SW 13 | SW 13 | SW 13 | — | — | — | — | — | — | — | — | SW 12 |
| kJ | 33 | 21 | 14 | 15 | 15 | 35 | 15 | 18 | 5 | 18 | 7 | 19 | 7 | 7 | 7 | — | — | — | — | — | — | — | — | 6 |
Wind waves Height (m) Direction Period (s) | N 8 | NNW 8 | — | NNW 3 | — | — | — | WNW 7 | WNW 7 | — | W 7 | WNW 7 | WNW 7 | W 12 | W 14 | W 14 | W 13 | W 13 | W 12 | W 13 | W 13 | W 12 | — | — |
| kJ | 260 | 392 | — | 1 | — | — | — | 117 | 140 | — | 131 | 181 | 219 | 1194 | 2606 | 3294 | 3423 | 3743 | 3497 | 3611 | 383 | 356 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 417 | 128 | 128 | 10 | 191 | 191 | 191 | 48 | 48 | 48 | 48 | 119 | 226 | 496 | 496 | 523 | 191 | 90 | 226 | 55 | 84 | 234 | 170 | 55 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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