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Surf Forecasts:

Valley Left surfForecast / Mayo and Achill Island / Ireland

information circle12 Day Weather and Surf, issued 5 pm Sunday 11 Jan 2026 IST
Forecast 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
9.4° C
 (Which is slightly cooler than normal)

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 Monday (Jan 12) at 6PM. The primary swell is predicted to be 2.5m 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 3.0m 12s and forecast to arrive on Tuesday (Jan 13) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 5.0m 18s period and expected on Thursday (Jan 15) at 6AM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Mon 12th Jan)8ft (2.5m) 12s
Best Surf 6PM (Mon 12th Jan)8ft (2.5m) 12s
Most Powerful 3PM (Tue 13th Jan)10ft (3.0m) 12s

Table - best surf conditions forecast for Valley Left over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 44mm), heaviest during Sun afternoon. Very mild (max 12°C on Sun afternoon, min 6°C on Mon night). Winds decreasing (gales from the SW on Sun afternoon, light winds from the SW by Mon afternoon).

Days 3-6 Weather Summary Moderate rain (total 12mm), heaviest on Wed afternoon. Mild temperatures (max 9°C on Wed afternoon, min 3°C on Sat morning). Winds decreasing (fresh winds from the WSW on Wed afternoon, calm by Fri afternoon).

Sun
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.1
NW
4
WSW
1.9
WNW
1.9
NW
3
NNW
3
NW
3
NW
2.5
NW
1.9
NNW
1.5
NNW
1
NNW
0.6
NNW
0.3
NNW
4.5
W
4
W
4
W
3
W
2.3
W
0.6
NNW
1.2
W
2.5
WSW
Period(s) (?)711111312121211111110118161515141291010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)20823109426292483266517018454991909012000006100
Wind
(km/h)
55
S
45
SW
30
SW
20
SW
30
NNW
35
WNW
35
WNW
25
WSW
40
S
30
WSW
20
SW
15
SW
15
S
10
ESE
5
E
0
S
5
SE
15
SE
30
SSE
45
S
45
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off		cross-
off		cross-
off		cross-
on		cross-
on		cross-
on		cross-
off		offcross-
off		cross-
off		cross-
off		offcross-
off		glassglasscross-
off		cross-
off		cross-
off		offoff
High Tide
/ height (m)
12:10AM
2.28
12:22PM
2.35
1:21AM
2.31
1:38PM
2.27
2:29AM
2.41
2:49PM
2.31
3:26AM
2.57
3:45PM
2.42
4:12AM
2.75
4:30PM
2.55
4:52AM
2.94
5:08PM
2.66
5:28AM
3.11
Low Tide
/ height (m)
5:48PM
0.96
6:08AM
1.23
6:52PM
1.06
7:32AM
1.25
8:00PM
1.07
8:45AM
1.17
8:58PM
1.01
9:41AM
1.02
9:47PM
0.88
10:26AM
0.86
10:27PM
0.74
11:05AM
0.69
11:04PM
0.59
11:42AM
0.54
Sun
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunrise--8:52--8:52--8:51--8:49--8:48--8:48--8:47
Sunset4:40--4:42--4:44--4:45--4:46--4:49--4:51--
heavy rain
rain showers
light rain
light rain
rain showers
rain showers
part cloud
light rain
mod rain
thunderstorm
rain showers
rain showers
rain showers
part cloud
clear
clear
clear
part cloud
cloud
mod rain
heavy rain
Rain (mm)
1364481-173621------711
Temp. °C12999877889877556546811
Feels °C (?)1-1241-2-21-122231242-1-4-11
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Latest Updates

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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.

View detailed surf forecast for Valley Left at:
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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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