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Valley Left surfForecast / Mayo and Achill Island / Ireland
12 Day Weather and Surf, issued 6 am Friday 11 Jul 2025 IST
Best Forecast Surf Conditions for Valley Left this week:
The most powerful waves expected at Valley Left in the next 12 days are 0.8m 10s and forecast to arrive on Sunday (Jul 13) at 10PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 10s period and expected on Tuesday (Jul 15) at 4AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10PM (Sun 13th Jul) | 2.5ft (0.8m) 10s |
Table - best surf conditions forecast for Valley Left over the next 12 days.
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 10 | 10 | 9 | 8 | 8 | 9 | 8 | 8 | 8 | 11 | 10 | 6 | 8 | 7 | 10 | 7 | 6 | 6 | 9 | 8 | 8 | 8 | 8 | 9 | 8 | 8 | 8 | 10 | 9 | 9 | 9 | 7 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 0 | 21 | 19 | 25 | 23 | 19 | 41 | 67 | 96 | 0 | 38 | 0 | 0 | 0 | 43 | 0 | 0 | 0 | 9 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | cross- off | off | cross- off | cross- off | glass | off | cross- off | off | cross- off | cross- off | off | cross | glass | on | cross | cross- off | off | off | off | off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 7:11PM 3.22 | 7:29AM 2.77 | 7:48PM 3.32 | 8:08AM 2.76 | 8:25PM 3.36 | 8:48AM 2.74 | 9:02PM 3.36 | 9:30AM 2.69 | 9:42PM 3.29 | 10:17AM 2.64 | 10:27PM 3.16 | 11:08AM 2.58 | 11:17PM 3.00 | 12:06PM 2.54 | 12:18AM 2.82 | 1:13PM 2.54 | 1:31AM 2.68 | 2:26PM 2.62 | 2:52AM 2.63 | 3:37PM 2.77 | 4:07AM 2.69 | 4:40PM 2.99 | ||||||||||||||
Low Tide / height (m) | 12:45PM 0.47 | 1:26AM 0.45 | 1:21PM 0.40 | 2:04AM 0.37 | 1:56PM 0.38 | 2:42AM 0.31 | 2:34PM 0.40 | 3:22AM 0.29 | 3:13PM 0.48 | 4:05AM 0.32 | 3:58PM 0.60 | 4:51AM 0.40 | 4:50PM 0.75 | 5:44AM 0.52 | 5:53PM 0.88 | 6:47AM 0.64 | 7:12PM 0.95 | 7:58AM 0.73 | 8:37PM 0.91 | 9:11AM 0.73 | 9:54PM 0.75 | 10:15AM 0.66 | 10:59PM 0.55 | |||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||||||||||||||
| Sunrise | 5:20 | - | - | 5:22 | - | - | 5:22 | - | - | 5:24 | - | - | 5:26 | - | - | 5:26 | - | - | 5:28 | - | - | 5:30 | - | - | 5:31 | - | - | 5:33 | - | - | 5:33 | - | - | 5:35 | - | - |
| Sunset | - | 10:07 | - | - | 10:07 | - | - | 10:06 | - | - | 10:05 | - | - | 10:04 | - | - | 10:02 | - | - | 10:01 | - | - | 10:00 | - | - | 9:59 | - | - | 9:58 | - | - | 9:55 | - | - | 9:54 | - |
 | |  | | |  |  |  |  |  | | |  | |  | | | | | |  | | | | | | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | 9 | 1 | 2 | 8 | 1 | 3 | 6 | 1 | 2 | - | - | 3 | 23 | 5 | 5 | 2 | 1 | 1 | 3 | 1 | 3 | 1 | 1 | 2 | 1 | 4 | 2 | 5 |
| Temp. °C | 17 | 19 | 18 | 23 | 25 | 19 | 20 | 19 | 16 | 14 | 14 | 14 | 15 | 14 | 14 | 13 | 13 | 13 | 15 | 15 | 16 | 16 | 17 | 16 | 15 | 15 | 14 | 15 | 14 | 14 | 15 | 14 | 14 | 15 | 15 | 14 |
| Feels °C (?) | 14 | 16 | 16 | 20 | 24 | 20 | 20 | 20 | 13 | 8 | 8 | 7 | 10 | 9 | 14 | 13 | 11 | 11 | 11 | 10 | 10 | 13 | 13 | 12 | 10 | 10 | 10 | 11 | 10 | 10 | 9 | 7 | 9 | 12 | 9 | 9 |
Short Range Forecast: Moderate rain (total 10mm), heaviest on Sun night. Warm (max 25°C on Sat afternoon, min 13°C on Sun night). Wind will be generally light. | Days 3-6 Weather Summary Heavy rain (total 24mm), heaviest during Mon night. Very mild (max 15°C on Tue morning, min 12°C on Wed afternoon). Winds decreasing (strong winds from the SW on Mon night, calm by Wed morning). | Days 6-9 Weather Summary Heavy rain (total 43mm), heaviest during Thu night. Very mild (max 17°C on Fri afternoon, min 13°C on Sat afternoon). Winds increasing (light winds from the SW on Thu morning, strong winds from the S by Thu night). | Long Range Forecast: Heavy rain (total 21mm), heaviest during Tue morning. Very mild (max 15°C on Sun morning, min 13°C on Mon night). Winds decreasing (fresh winds from the WSW on Mon afternoon, light winds from the SE by Mon night). | |||||||||||||||||||||||||||||||||
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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 12 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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