Valley Left surfForecast / Mayo and Achill Island / Ireland

information circle12 Day Weather and Surf, issued 6 pm Wednesday 02 Jul 2025 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
15.3° C
(Which is 1.3°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Valley Left this week:

The most powerful waves expected at Valley Left in the next 12 days are 3.0m 10s and forecast to arrive on Sunday (Jul 06) at 7AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 9s period and expected on Friday (Jul 04) at 1PM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 7AM (Sun 6th Jul)10ft (3.0m) 10s

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

Updates in  hr  min  s Forecast update imminent
Wed
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Mon
14
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (?)
1.2
W
1.3
WSW
2.4
W
2.5
W
2.4
W
3
WSW
3.5
WSW
3
W
2.5
W
3
W
3
W
3
WNW
2.2
W
2.1
WNW
1.6
W
1.4
W
0.4
NW
1.9
W
2
WNW
1.8
WNW
1.7
WNW
1.6
W
1.7
W
1.9
W
1.9
W
1.7
W
0.4
WNW
0.8
WNW
2
W
1.7
W
0.7
NW
1.2
NW
1.6
WNW
1.6
WNW
1.5
WNW
1.4
WNW
Period(s) (?)95899810101010101099881078888899910999101111111010
Wave
Graph
(?)Metric surfscale
Energy (?)0000000000015780702002504373880000005611000128334573584453363
Wind
(km/h)
25
W
25
SW
35
WSW
35
WSW
30
SW
45
SW
40
WSW
25
WSW
30
WSW
35
W
35
WNW
35
NW
35
NW
25
NNW
20
NW
20
NW
15
NW
10
W
15
SW
10
SW
20
SSW
30
SSW
25
SW
25
SW
20
SW
25
SSW
30
SSW
30
SSW
30
S
50
SSW
25
WSW
15
WSW
15
SW
25
WSW
25
WSW
25
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross
High Tide
/ height (m)
11:53PM
2.71
12:42PM
2.28
12:47AM
2.53
1:42PM
2.30
1:48AM
2.41
2:43PM
2.37
2:53AM
2.37
3:40PM
2.49
3:53AM
2.41
4:30PM
2.63
4:45AM
2.49
5:15PM
2.79
5:31AM
2.59
5:55PM
2.95
6:12AM
2.68
6:34PM
3.10
6:51AM
2.74
7:11PM
3.22
7:29AM
2.77
7:48PM
3.32
8:08AM
2.76
8:25PM
3.36
8:48AM
2.74
Low Tide
/ height (m)
5:25PM
1.01
6:27AM
0.83
6:27PM
1.14
7:22AM
0.92
7:39PM
1.20
8:19AM
0.96
8:49PM
1.18
9:14AM
0.95
9:51PM
1.09
10:05AM
0.90
10:42PM
0.96
10:50AM
0.80
11:27PM
0.82
11:31AM
0.69
12:08AM
0.69
12:09PM
0.57
12:47AM
0.56
12:45PM
0.47
1:26AM
0.45
1:21PM
0.40
2:04AM
0.37
1:56PM
0.38
2:42AM
0.31
Wed
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Mon
14
Sunrise--5:13--5:13--5:13--5:15--5:16--5:16--5:18--5:20--5:20--5:22--5:22--5:24
Sunset10:14--10:14--10:13--10:13--10:12--10:10--10:10--10:09--10:08--10:07--10:07--10:06--
part cloudrain showersrain showerscloudlight rainmod rainmod rainlight rainlight rainlight rainrain showerspart cloudclearpart cloudpart cloudcloudpart cloudclearpart cloudpart cloudcloudpart cloudcloudlight raincloudcloudlight rainlight rainlight rainpart cloudclearpart cloudclearclearrain showersclear
Rain (mm)
-22-1961211------------1--132-----1-
Temp. °C131314141414151514141414141313131314141516161515151516161716151415151414
Feels °C (?)8888969119787871099111114121212121212121212811111010109

Short Range Forecast: Heavy rain (total 23mm), heaviest during Fri morning. Very mild (max 15°C on Fri afternoon, min 13°C on Wed afternoon). Winds increasing (moderate winds from the W on Wed afternoon, strong winds from the SW by Fri morning).

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Sat afternoon. Very mild (max 14°C on Sat afternoon, min 12°C on Sun night). Winds decreasing (fresh winds from the W on Sat afternoon, light winds from the NW by Mon night).

Days 6-9 Weather Summary Light rain (total 2mm), mostly falling on Thu morning. Very mild (max 16°C on Wed morning, min 14°C on Tue afternoon). Mainly fresh winds.

Long Range Forecast: Light rain (total 6mm), mostly falling on Fri afternoon. Very mild (max 17°C on Fri night, min 13°C on Sat night). Winds decreasing (near gales from the SSW on Sat morning, light winds from the WSW by Sat night).

  • 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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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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