Valley Left surfForecast / Mayo and Achill Island / Ireland

information circle48hr Weather and Surf, issued 12 am Thursday 30 Apr 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
10.8° C
(Which is normal for this time of year)

How big are the waves at Valley Left today?

The current surf forecast for Valley Left at 8AM is: 2.0m 14s primary swell from a West-northwest direction (forecast issued at 12:00am April 30). An open ocean swell of 1.0m 10s is not directed at the surf break, a second open ocean swell of 0.4m 11s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (IST) & DateWave HeightWave Period
Morning (30 Apr)6.5ft (2.0m)14s
Afternoon (30 Apr)6ft (1.8m)13s
Evening (30 Apr)5.5ft (1.7m)13s

Table - waves today at Valley Left. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 9mm), mostly falling on Sat afternoon. Very mild (max 15°C on Fri morning, min 10°C on Wed night). Wind will be generally light.

Thursday
30
Friday
1
Saturday
2
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
2
1
1
2
2
0
2
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
2.1
WNW
15
2.1
WNW
15
2.1
WNW
14
2
WNW
14
1.9
WNW
14
1.8
WNW
13
1.7
WNW
13
1.6
WNW
13
1.6
WNW
12
1.5
WNW
12
1.3
WNW
12
1.3
WNW
12
1.3
WNW
11
1.3
WNW
11
1.3
WNW
11
1.3
WNW
11
1.3
WNW
11
1.3
WNW
10
1.3
WNW
10
1.3
WNW
10
1.3
WNW
10
1.4
NW
10
1.5
NW
10
1.5
NW
10
Wave Graph
Metric surfscale
Energy kJ
2007
1847
1724
1601
1382
1093
958
799
739
605
491
483
386
372
366
359
346
361
354
354
340
416
433
425
Wind (km/h)
10
E
15
E
15
E
15
ESE
15
ESE
25
ESE
15
ESE
10
E
5
E
5
SE
5
SE
10
SE
10
SSW
10
SW
0
W
5
SE
5
S
15
S
10
SSE
10
SSE
5
WSW
10
N
15
NNE
20
N
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross
glassy
cross-off
cross-off
off
cross-off
glassy
glassy
off
off
off
off
glassy
on
cross-on
on
High Tide
5:36AM3.11m
6:03PM3.08m
6:11AM3.10m
6:33PM3.16m
6:45AM3.06m
7:03PM3.19m
Low Tide
11:26PM0.52m
11:46AM0.23m
00:01AM0.42m
12:15PM0.25m
00:35AM0.37m
12:45PM0.31m
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
cloud
light rain
part cloud
cloud
part cloud
clear
part cloud
cloud
cloud
light rain
clear
clear
part cloud
light rain
light rain
rain showers
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:03
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:07
9:09
9:12
1
1
1
1
1
1
2
1
Temp °C
12
10
10
10
11
10
11
11
11
11
11
13
15
13
13
13
12
11
10
12
13
12
12
10
9
6
6
6
7
5
8
10
10
10
10
11
13
10
12
12
11
8
7
9
11
10
9
5
Swell 1
Height (m)
Direction
Period (s)
2.1
WNW
15
2.1
WNW
15
2.1
WNW
14
2
WNW
14
1.9
WNW
14
1.8
WNW
13
1.7
WNW
13
1.6
WNW
13
1.6
WNW
12
1.5
WNW
12
1.3
WNW
12
1.3
WNW
12
1.3
WNW
11
1.3
WNW
11
1.3
WNW
11
1.3
WNW
11
1.3
WNW
11
1.3
WNW
10
1.3
WNW
10
1.3
WNW
10
1.3
WNW
10
1.4
NW
10
1.5
NW
10
1.5
NW
10
Energy kJ
2007
1847
1724
1601
1382
1093
958
799
739
605
491
483
386
372
366
359
346
361
354
354
340
416
433
425
Swell 2
Height (m)
Direction
Period (s)
1
WSW
11
1
WSW
11
1
WSW
10
1
WSW
10
0.9
WSW
10
0.9
WSW
10
0.8
WSW
10
0.7
WSW
10
0.7
WSW
10
0.7
WSW
10
0.6
WSW
11
0.6
WSW
10
0.5
WSW
10
0.5
WSW
10
0.5
WSW
10
0.4
WSW
10
0.3
WSW
9
0.3
WSW
9
0.2
WSW
9
0.2
WSW
9
0.3
SSW
6
0.4
SSW
6
0.4
SSW
5
0.3
SSW
5
Energy kJ
249
245
210
202
146
157
114
104
106
110
88
86
59
56
55
30
16
16
8
7
7
11
10
6
Swell 3
Height (m)
Direction
Period (s)
0.2
S
6
0.1
S
16
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.1
SW
16
Energy kJ
3
5
10
10
10
10
Wind waves
Height (m)
Direction
Period (s)
0.4
NE
9
0.4
SW
11
0.3
ESE
2
0.2
ESE
2
0.2
ESE
2
0.2
S
6
Energy kJ
19
29
1
1
1
3
Nearest Offshore or Glassy
Rating
(10 max)
4
1
4
2
2
1
2
3
3
1
2
2
1
1
1
1
1
1
1
1
1
2
2
1
Distance (km)
10
32
48
0
0
32
0
10
10
0
5
5
5
5
5
5
5
5
5
5
5
10
10
110
Best forecast wave conditions in Mayo and Achill Island
Rating
(10 max)
4
1
4
2
2
3
2
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
Best forecast wave conditions in Ireland
Rating
(10 max)
4
4
4
4
4
4
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
1
Header Global
Rating
(10 max)
6
5
5
5
5
5
6
6
6
7
7
5
5
5
5
5
9
7
5
6
4
4
4
4
  • 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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