Mera Surf Break

Lat Long: 34.90° N 139.84° E

Mera 48 hour detailed Surf Forecast

Issued: 2 am 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
27.8°C
0.9° 

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 (25 Aug):

  • Morning surf: Morning surf (25 Aug, local time) - 6ft (1.8m), 13s period with SSE swell.
  • Afternoon surf: Afternoon surf (25 Aug, local time) - 5.5ft (1.7m), 12s period with S swell.
  • Evening surf: Evening surf (25 Aug, local time) - 5ft (1.5m), 12s period with S swell.

The current surf forecast for Mera at 5AM is: 2.1m 13s primary swell from a South-southeast direction and 0.6m 11s secondary swell from a East direction, 0.8m 4s secondary swell from a West-southwest direction (forecast issued at 02:00am August 25). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (25 Aug)6ft (1.8m)13s
Afternoon (25 Aug)5.5ft (1.7m)12s
Evening (25 Aug)5ft (1.5m)12s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Thu afternoon. Warm (max 28°C on Wed morning, min 24°C on Thu night). Winds decreasing (strong winds from the SW on Wed afternoon, calm by Thu night).

Tuesday
25
Wednesday
26
Thursday
27
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
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)
2.2
SSE
14
2.1
SSE
13
2.1
SSE
13
1.8
SSE
13
1.8
S
12
1.7
S
12
1.6
S
11
1.5
S
12
1.2
S
12
1.3
S
12
1.1
SSW
12
1
SSW
11
1
SSW
12
1
SSW
12
1
SSW
12
1.7
SW
12
1.8
SW
11
0.9
SW
11
0.9
SW
11
0.8
SW
11
0.8
SW
10
1.5
SW
10
0.8
E
13
0.8
E
13
Wave Graph
Metric surfscale
Energy kJ
1730
1474
1430
993
940
814
651
614
380
497
361
278
265
265
285
765
770
179
172
137
127
442
222
222
Wind (km/h)
30
SW
30
SW
25
SW
30
SW
30
SW
35
SW
35
SW
35
SW
35
SW
30
SW
30
WSW
25
WSW
30
SW
40
SW
40
SW
40
SW
35
SW
30
WSW
30
WSW
30
SW
35
SW
35
SW
25
WSW
10
NNW
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
cross-off
High Tide
1:45AM1.30m
4:25PM1.37m
2:39AM1.39m
4:44PM1.42m
3:22AM1.46m
5:04PM1.46m
Low Tide
9:09AM0.29m
9:28PM0.96m
9:44AM0.22m
9:58PM0.87m
10:16AM0.18m
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:07
5:07
5:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:16
6:15
6:15
 mm
3
2
Temp °C
26
26
26
27
27
27
27
27
27
27
27
27
28
28
27
27
27
27
27
27
28
28
27
26
Feels °C
26
26
27
28
27
25
26
27
27
27
28
28
29
27
26
26
27
28
28
27
28
27
28
30
  • 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