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Surf Forecasts:
Valley Left surfForecast / Mayo and Achill Island / Ireland
16 Day Weather and Surf, issued 12 pm Saturday 09 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)Best Forecast Surf Conditions for Valley Left this week:
The surf forecast for Valley Left over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (May 14) at 1PM. The primary swell is predicted to be 1.7m and 10s period with a secondary swell of 0.8m and 10s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Valley Left in the next 16 days are 5.5m 12s and forecast to arrive on Wednesday (May 13) at 7AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 11s period and expected on Saturday (May 09) at 4PM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Thu 14th May) | 5.5ft (1.7m) 10s |
| Best Surf | 1PM (Thu 14th May) | 5.5ft (1.7m) 10s |
| Most Powerful | 7AM (Wed 13th May) | 18ft (5.5m) 12s |
Table - best surf conditions forecast for Valley Left over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Sun night. Very mild (max 11°C on Mon morning, min 7°C on Sat night). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Tue night. Very mild (max 11°C on Thu afternoon, min 8°C on Tue night). Winds decreasing (near gales from the WNW on Tue night, light winds from the NW by Thu morning). | ||||||||||||||||||||
Saturday 9 | Sunday 10 | Monday 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | Friday 15 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
N 11 | N 11 | N 11 | N 11 | NNW 10 | NNW 9 | NNW 8 | NW 8 | NW 8 | NW 8 | NW 9 | WNW 11 | NW 12 | NW 12 | NW 11 | WNW 10 | WNW 9 | NW 9 | W 7 | WNW 9 | WNW 12 | |
0 | 0 | 0 | 0 | 0 | 380 | 500 | 392 | 363 | 573 | 1219 | 4516 | 7617 | 5403 | 2672 | 711 | 450 | 178 | 0 | 1320 | 4707 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | on | cross-on | on | on | cross-on | on | cross-on | cross | cross-on | cross | cross-on | cross-on | on | on | cross-on | cross | cross-off | cross-off | cross | cross | |
High Tide | 11:39AM2.05m | 00:07AM2.51m | 1:01PM2.05m | 1:15AM2.54m | 2:16PM2.19m | 2:17AM2.66m | 3:14PM2.41m | 3:12AM2.83m | 4:02PM2.68m | 4:02AM3.02m | 4:46PM2.95m | 4:50AM3.19m | 5:28PM3.19m | ||||||||
Low Tide | 5:17PM1.20m | 6:56AM1.09m | 6:40PM1.24m | 8:06AM0.92m | 8:00PM1.16m | 9:00AM0.69m | 9:02PM0.99m | 9:44AM0.44m | 9:54PM0.78m | 10:26AM0.22m | 10:42PM0.54m | 11:08AM0.06m | 11:28PM0.32m | ||||||||
 | |  |  | |  | | | | | |  |  | | |  |  | | | |  | |
 | 5:48 | — | — | 5:46 | — | — | 5:43 | — | — | 5:43 | — | — | 5:41 | — | — | 5:39 | — | — | 5:37 | — | — |
 | — | — | 9:24 | — | — | 9:25 | — | — | 9:28 | — | — | 9:30 | — | — | 9:31 | — | — | 9:32 | — | — | 9:35 |
— | — | — | — | — | 1 | — | — | — | — | — | 1 | 2 | — | — | 2 | — | — | — | 1 | — | |
Temp °C | 9 | 9 | 8 | 10 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 8 | 11 | 11 | 11 | 12 | 10 |
1 | 1 | 1 | 3 | 4 | 6 | 7 | 7 | 6 | 3 | 2 | 1 | 0 | 1 | 2 | 5 | 8 | 7 | 5 | 6 | 3 | |
Swell 1 Height (m) Direction Period (s) | W 11 | W 11 | W 11 | W 10 | W 10 | W 9 | W 9 | N 9 | N 9 | N 9 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | WNW 10 | WNW 9 | NW 9 | N 8 | N 8 | SSW 13 |
 kJ | 63 | 37 | 35 | 17 | 17 | 15 | 14 | 55 | 39 | 25 | 50 | 49 | 44 | 40 | 40 | 711 | 450 | 178 | 46 | 18 | 17 |
Swell 2 Height (m) Direction Period (s) | SW 14 | S 14 | S 13 | S 13 | — | — | W 14 | W 9 | SW 19 | SW 19 | S 8 | — | — | — | — | SW 15 | N 9 | N 9 | SW 14 | SSW 14 | — |
| kJ | 8 | 4 | 3 | 3 | — | — | 4 | 13 | 15 | 15 | 1 | — | — | — | — | 37 | 320 | 152 | 33 | 19 | — |
Swell 3 Height (m) Direction Period (s) | — | — | W 11 | — | — | — | S 9 | WNW 14 | S 8 | S 9 | S 12 | — | — | — | — | — | SW 15 | SW 15 | — | WNW 16 | — |
| kJ | — | — | 2 | — | — | — | 2 | 18 | 1 | 1 | 3 | — | — | — | — | — | 33 | 33 | — | 25 | — |
Wind waves Height (m) Direction Period (s) | N 11 | N 11 | N 11 | N 11 | NNW 10 | NNW 9 | NNW 8 | NW 8 | NW 8 | NW 8 | NW 9 | WNW 11 | NW 12 | NW 12 | NW 11 | N 10 | NW 3 | W 9 | W 7 | WNW 9 | WNW 12 |
| kJ | 1165 | 1148 | 959 | 762 | 544 | 380 | 500 | 392 | 363 | 573 | 1219 | 4516 | 7617 | 5403 | 2672 | 683 | 3 | 79 | 284 | 1320 | 4707 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 512 | 748 | 600 | 331 | 586 | 331 | 139 | 185 | 276 | 1162 | 557 | 562 | 1270 | 839 | 597 | 12 | 55 | 55 | 558 | 191 | 191 |
Best forecast wave conditions in Mayo and Achill Island | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Valley Left surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Valley Left Surf forecast
The above surf forecast table for Valley Left provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Valley Left can be found by selecting the local surf guide option on the grey menu. Our Valley Left surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Valley Left) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Valley Left may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
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