Valley Left surfForecast / Mayo and Achill Island / Ireland

information circle12 Day Weather and Surf, issued 5 pm Saturday 24 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
9.2° C
(Which is slightly cooler than normal)


Best Forecast Surf Conditions for Valley Left this week:

The largest open ocean swell (not directed at the beach) is 5.5m 16s period and expected on Friday (Jan 30) at 9AM.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 23mm), heaviest during Mon morning. Mild temperatures (max 8°C on Sun morning, min 4°C on Tue morning). Winds decreasing (strong winds from the SE on Mon morning, calm by Tue morning).

Days 3-6 Weather Summary Moderate rain (total 11mm), heaviest on Thu morning. Mild temperatures (max 9°C on Fri morning, min 6°C on Tue afternoon). Winds increasing (light winds from the NW on Tue afternoon, fresh winds from the SE by Wed night).

Sat
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
4
W
3
W
1.8
WSW
3.5
W
3
WSW
1.7
W
2
WSW
4
WSW
4
W
4.5
W
4.5
W
3.5
W
4
WSW
3
WSW
2.4
WSW
2.1
WSW
2.4
WSW
5.5
WSW
4.5
WSW
4
WSW
3.5
WSW
Period(s) (?)161418161312111616171716171513131616161614
Wave
Graph
(?)Metric surfscale
Energy kJ (?)000000000000000000000
Wind
(km/h)
25
ESE
20
ENE
10
NW
20
S
20
SE
45
SE
20
SSW
10
SSE
5
ENE
15
NW
25
NNW
25
WSW
15
S
35
ESE
30
S
35
SSE
25
SE
35
SSW
25
SSE
5
E
10
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscross-
on
offcross-
off
cross-
off
cross-
off
offglasscross-
on
cross-
on
cross-
off
offcross-
off
offoffcross-
off
cross-
off
offcrosscross-
on
High Tide
/ height (m)
9:26PM
2.65
9:36AM
3.02
10:17PM
2.56
10:30AM
2.81
11:20PM
2.49
11:40AM
2.61
12:38AM
2.49
1:08PM
2.52
2:02AM
2.61
2:37PM
2.57
3:15AM
2.86
3:48PM
2.72
4:13AM
3.15
Low Tide
/ height (m)
3:12PM
0.37
3:10AM
0.66
3:57PM
0.51
4:04AM
0.84
4:54PM
0.69
5:14AM
1.00
6:07PM
0.83
6:48AM
1.04
7:32PM
0.87
8:22AM
0.90
8:49PM
0.77
9:36AM
0.65
9:49PM
0.60
10:34AM
0.37
Sat
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Sunrise--8:37--8:37--8:34--8:33--8:32--8:30--8:29
Sunset5:02--5:05--5:07--5:08--5:10--5:13--5:15--
light rain
mod rain
light rain
rain showers
part cloud
mod rain
light rain
rain showers
part cloud
cloud
light rain
cloud
part cloud
light rain
rain showers
rain showers
rain showers
part cloud
rain showers
cloud
cloud
Rain (mm)
2812-712--1--1522-1--
Temp. °C778877865677767789877
Feels °C (?)1244-113202112-1-1-2-11244
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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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 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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