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Surf Forecasts:
Valley Left surfForecast / Mayo and Achill Island / Ireland
12 Day Weather and Surf, issued 11 am Sunday 08 Mar 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
8.5° C
(Which is 1.0°C colder than average for this time of year)Best Forecast Surf Conditions for Valley Left this week:
The surf forecast for Valley Left over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Mar 08) at 9PM. The primary swell is predicted to be 2.3m and 12s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Valley Left in the next 12 days are 8.5m 18s and forecast to arrive on Sunday (Mar 15) at 6PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 8.5m 16s period and expected on Wednesday (Mar 11) at 6AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Sun 8th Mar) | 7.5ft (2.3m) 12s |
| Best Surf | 3PM (Sun 15th Mar) | 28ft (8.5m) 18s |
| Most Powerful | 6PM (Sun 15th Mar) | 28ft (8.5m) 18s |
Table - best surf conditions forecast for Valley Left over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Heavy rain (total 32mm), heaviest during Sun afternoon. Very mild (max 11°C on Tue afternoon, min 7°C on Sun night). Winds increasing (light winds from the NNW on Sun night, gales from the SW by Tue night). | Days 3-6 Weather Summary Heavy rain (total 43mm), heaviest during Thu afternoon. Very mild (max 10°C on Wed night, min 4°C on Thu afternoon). Winds decreasing (gales from the SW on Wed night, moderate winds from the SW by Thu afternoon). | ||||||||||||||||||||
Sunday 08 | Monday 09 | Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | |||||||||||||||
| 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) (?) | 13 | 13 | 12 | 14 | 13 | 13 | 12 | 13 | 13 | 15 | 14 | 11 | 13 | 14 | 16 | 14 | 14 | 14 | 13 | 12 | 11 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 0 | 0 | 1072 | 2344 | 1609 | 1423 | 0 | 0 | 0 | 0 | 0 | 247 | 0 | 0 | 0 | 0 | 0 | 15839 | 3076 | 1080 | 31 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | cross- off | cross- off | off | off | off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- on | cross- on | cross- off | cross |
High Tide / height (m) | 8:35PM 2.83 | 8:50AM 2.70 | 9:08PM 2.65 | 9:27AM 2.43 | 9:51PM 2.44 | 10:16AM 2.17 | 10:57PM 2.26 | 11:45AM 1.99 | 12:48AM 2.21 | 1:49PM 2.01 | 2:24AM 2.37 | 3:03PM 2.18 | |||||||||
Low Tide / height (m) | 2:19PM 0.55 | 2:35AM 0.68 | 2:49PM 0.80 | 3:13AM 0.93 | 3:24PM 1.05 | 4:02AM 1.19 | 4:14PM 1.28 | 5:30AM 1.39 | 5:54PM 1.41 | 7:49AM 1.36 | 7:54PM 1.32 | 9:03AM 1.14 | 8:58PM 1.10 | ||||||||
Sunday 08 | Monday 09 | Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | |||||||||||||||
| Sunrise | 7:11 | - | - | 7:09 | - | - | 7:07 | - | - | 7:05 | - | - | 7:03 | - | - | 7:00 | - | - | 6:58 | - | - |
| Sunset | - | 6:29 | - | - | 6:30 | - | - | 6:32 | - | - | 6:35 | - | - | 6:37 | - | - | 6:38 | - | - | 6:39 | - |
 |  |  |  |  |  | |  |  | | |  | | | | | | |  | | | |
Rain (mm) | 2 | 9 | 8 | - | - | 5 | - | 6 | 2 | - | 1 | 11 | 2 | 10 | 11 | 4 | 2 | 2 | - | 1 | 2 |
| Temp. °C | 9 | 9 | 8 | 8 | 8 | 9 | 10 | 11 | 8 | 8 | 9 | 10 | 9 | 6 | 5 | 7 | 7 | 8 | 8 | 8 | 9 |
| Feels °C (?) | 1 | 3 | 5 | 5 | 0 | 2 | 3 | 1 | -5 | 0 | -3 | -3 | -3 | 1 | -6 | -3 | -4 | 0 | 1 | 1 | 1 |
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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 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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