Mera Surf Break

Lat Long: 34.90° N 139.84° E

Mera 48 hour detailed Surf Forecast

Issued: 2 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
27.3° C
0.3° 

Mera surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Mera today (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 3ft (0.9m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 2ft (0.6m), 9s period with E swell.
  • Evening surf: Evening surf (18 Aug, local time) - 2.5ft (0.7m), 7s period with SE swell.

The current surf forecast for Mera at 9AM is: 0.9m 8s primary swell from a East-southeast direction and 0.4m 10s secondary swell from a Southeast direction (forecast issued at 02:00am August 18). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (18 Aug)3ft (0.9m)8s
Afternoon (18 Aug)2ft (0.6m)9s
Evening (18 Aug)2.5ft (0.7m)7s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Tue morning, min 25°C on Tue night). Wind will be generally light.

Tuesday
18
Wednesday
19
Thursday
20
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
0
0
0
0
1
0
0
0
0
1
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
ESE
8
0.9
ESE
9
0.9
ESE
9
0.9
ESE
8
0.7
E
9
0.6
E
9
0.7
SE
7
0.7
SE
7
0.7
SE
7
0.6
E
9
0.4
ESE
10
0.7
SE
6
0.7
SE
6
0.7
SE
6
0.5
SE
10
0.7
ESE
6
0.7
ESE
6
0.7
ESE
6
0.4
SE
11
0.5
SE
10
0.5
SE
11
0.5
SE
11
0.5
SE
11
0.5
SE
11
Wave Graph
Metric surfscale
Energy kJ
120
126
123
99
74
55
51
51
52
55
39
39
38
37
49
39
36
37
40
54
57
57
57
57
Wind (km/h)
15
ESE
10
ESE
10
E
10
ESE
10
ESE
15
ESE
15
ESE
10
ESE
10
E
10
E
10
ENE
10
ENE
5
ENE
10
ESE
15
ESE
10
ESE
10
E
5
ENE
10
E
10
ESE
10
SE
10
SSE
10
SE
10
SSE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross
cross
cross
cross
High Tide
7:51AM1.29m
7:30PM1.48m
8:48AM1.18m
7:50PM1.44m
10:12AM1.08m
8:13PM1.40m
Low Tide
1:37AM0.47m
1:29PM0.71m
2:19AM0.48m
1:50PM0.85m
3:09AM0.51m
2:05PM0.97m
part cloud
rain showers
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:01
5:03
5:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:25
6:24
6:23
 mm
1
Temp °C
26
26
26
26
27
27
27
26
26
26
25
26
26
27
26
26
26
25
25
26
27
27
26
26
Feels °C
28
28
29
28
29
29
29
29
29
29
27
29
29
30
28
29
29
29
28
29
29
29
28
29
  • 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
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Mera 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.


Nearest locationNearest