Surf Forecasts:
Valley Left surf forecast from 21 Sep 2026:
- Best quality surf: Wednesday 23 Sep, 10PM (local time) - 6.5ft (2.0m), 11s period, WNW swell with cross-offshore winds.
- Most powerful swell: Wednesday 23 Sep, 10PM (local time) - 6.5ft (2.0m), 11s period, WNW swell with 899 kJ wave energy.
- Next surfable swell (1★+): Wednesday 23 Sep, 10PM (local time) - 6.5ft (2.0m), 11s period with WNW swell.
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 Wednesday (Sep 23) at 10PM. The primary swell is predicted to be 2.0m and 11s period. 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 2.0m 11s and forecast to arrive on Wednesday (Sep 23) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 5.0m 15s period and expected on Friday (Sep 25) at 1AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Wed 23rd Sep) | 6.5ft (2.0m) 11s |
| Best Surf | 10PM (Wed 23rd Sep) | 6.5ft (2.0m) 11s |
| Most Powerful | 10PM (Wed 23rd Sep) | 6.5ft (2.0m) 11s |
Table - best surf conditions forecast for Valley Left over the next 16 days.
Short Range ForecastLight rain (total 9mm), mostly falling on Tue morning. Very mild (max 17°C on Mon afternoon, min 12°C on Tue morning). Winds increasing (calm on Tue morning, strong winds from the S by Thu morning). | Days 5-7 Weather SummaryHeavy rain (total 25mm), heaviest during Sat night. Very mild (max 15°C on Thu afternoon, min 11°C on Sun morning). Winds increasing (moderate winds from the SW on Thu night, strong winds from the SSW by Sat afternoon). | |||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | NNW 8 | WSW 10 | WNW 10 | NW 9 | W 14 | W 12 | WNW 12 | WNW 11 | WNW 10 | WNW 12 | W 15 | W 14 | W 13 | W 12 | W 12 | WSW 11 | WNW 11 | W 10 | NW 9 | NW 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 12 | 0 | 10 | 20 | 0 | 0 | 0 | 823 | 298 | 193 | 0 | 0 | 0 | 0 | 0 | 0 | 631 | 0 | 13 | 11 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | glassy | glassy | cross-on | cross-on | glassy | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-on | cross-off | cross-off |
High Tide | 3:50AM2.19m | 4:01PM2.63m | 4:33AM2.40m | 4:40PM2.87m | 5:07AM2.61m | 5:13PM3.09m | 5:39AM2.83m | 5:44PM3.28m | 6:10AM3.02m | 6:16PM3.41m | 6:42AM3.17m | 6:49PM3.48m | ||||||||
Low Tide | 9:48PM1.09m | 9:41AM1.11m | 10:30PM0.84m | 10:23AM0.88m | 11:02PM0.58m | 10:58AM0.66m | 11:32PM0.33m | 11:31AM0.46m | 00:01AM0.13m | 12:03PM0.30m | 00:30AM-0.01m | 12:36PM0.19m | 1:01AM-0.06m | |||||||
 |  |  | |  |  | |  | |  | | |  | |  | | | | |  | |
 | — | — | 7:24 | — | — | 7:26 | — | — | 7:26 | — | — | 7:28 | — | — | 7:31 | — | — | 7:33 | — | — |
 | 7:42 | — | — | 7:39 | — | — | 7:37 | — | — | 7:35 | — | — | 7:31 | — | — | 7:30 | — | — | 7:27 | — |
mm | — | 1 | 4 | 2 | — | — | — | — | 2 | 9 | — | — | — | — | 2 | 4 | 6 | 4 | 1 | — |
Temp °C | 17 | 16 | 13 | 13 | 13 | 13 | 14 | 13 | 15 | 15 | 13 | 13 | 14 | 14 | 15 | 15 | 13 | 14 | 14 | 13 |
Feels °C | 13 | 13 | 13 | 13 | 11 | 11 | 13 | 10 | 7 | 11 | 9 | 7 | 8 | 9 | 8 | 8 | 7 | 7 | 7 | 7 |
Swell 1 Height (m) Direction Period (s) | NNW 8 | WSW 10 | WSW 11 | W 14 | W 14 | W 12 | WNW 12 | WNW 11 | WNW 10 | WNW 12 | W 15 | W 14 | W 13 | N 11 | W 12 | — | WNW 11 | SW 13 | NW 9 | NW 8 |
| kJ | 12 | 992 | 1374 | 3072 | 3247 | 1901 | 1366 | 823 | 298 | 193 | 10235 | 8451 | 5172 | 2 | 2578 | — | 631 | 7 | 13 | 11 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | WNW 10 | NW 9 | N 8 | SW 12 | N 8 | SW 12 | WNW 10 | — | — | — | SW 16 | S 15 | — | — | — | S 11 | NW 9 | SW 13 |
| kJ | 7 | 7 | 10 | 20 | 5 | 6 | 1 | 5 | 20 | — | — | — | 10 | 4 | — | — | — | 2 | 13 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | N 8 | — | SW 12 | — | SW 12 | N 8 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 5 | — | 5 | — | 6 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 10 | WSW 10 | — | — | — | — | — | SSW 4 | SSW 8 | WSW 10 | — | W 15 | WSW 4 | W 12 | SW 7 | WSW 11 | W 10 | W 10 | W 10 | WSW 10 |
| kJ | 969 | 1275 | — | — | — | — | — | 13 | 750 | 2697 | — | 940 | 9 | 2973 | 434 | 3360 | 1732 | 1493 | 1508 | 1569 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 55 | 29 | 10 | 12 | 12 | 10 | 10 | 0 | 197 | 56 | 59 | 191 | 199 | 56 | 199 | 432 | 48 | 55 | 55 | 56 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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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