Mera Surf Break

Lat Long: 34.90° N 139.84° E

Mera 48 hour detailed Surf Forecast

Issued: 8 pm 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
27.2° C
0.2° 

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 (19 Aug):

  • Evening surf: Evening surf (19 Aug, local time) - 2ft (0.6m), 8s period with E swell.

The current surf forecast for Mera at 12AM is: 0.6m 8s primary swell from a East direction and 0.7m 7s secondary swell from a Southeast direction (forecast issued at 08:00pm August 18). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (19 Aug)--
Afternoon (19 Aug)--
Evening (19 Aug)2ft (0.6m)8s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Tue night. Warm (max 27°C on Wed morning, min 25°C on Tue night). Wind will be generally light.

Tue
18
Wednesday
19
Thursday
20
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)
0
0
0
1
0
0
0
0
0
0
0
0
1
1
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
E
9
0.6
E
8
0.7
SE
7
0.8
SE
6
0.8
SE
6
0.7
SE
6
0.4
SE
10
0.4
SE
10
0.5
SE
10
0.5
SE
10
0.4
SE
10
0.4
SE
10
0.5
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
55
51
52
47
47
39
35
35
49
49
36
37
55
53
57
57
57
57
Wind (km/h)
15
SE
15
S
10
SSW
0
SW
5
E
5
ESE
10
SE
10
SE
10
SE
10
SE
5
SE
5
ENE
10
E
5
ESE
10
SSE
10
S
10
S
10
SSE
Wind State
cross
cross-on
cross-on
glassy
glassy
cross-off
cross
cross
cross
cross-off
cross
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
cross-on
High Tide
7:30PM1.48m
8:48AM1.18m
7:50PM1.44m
10:12AM1.08m
8:13PM1.40m
Low Tide
2:19AM0.48m
1:50PM0.85m
3:09AM0.51m
2:05PM0.97m
part cloud
rain showers
rain showers
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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
1
Temp °C
26
26
25
25
26
26
27
27
27
26
26
26
25
26
27
27
27
26
Feels °C
28
29
28
30
30
29
29
29
29
29
29
30
28
29
30
29
30
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.


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