Mera Surf Break

Lat Long: 34.90° N 139.84° E

Mera 48 hour detailed Surf Forecast

Issued: 8 pm 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
27.4° C
0.4° 

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 (21 Aug):

  • Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.7m), 9s period with SSW swell.

The current surf forecast for Mera at 11PM is: 0.7m 10s primary swell from a South-southwest direction and 0.5m 10s secondary swell from a East direction, 0.4m 3s secondary swell from a Southwest direction (forecast issued at 08:00pm August 21). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (21 Aug)--
Afternoon (21 Aug)--
Evening (21 Aug)2.5ft (0.7m)9s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Fri night. Warm (max 27°C on Fri night, min 25°C on Sat night). Wind will be generally light.

Fri
21
Saturday
22
Sunday
23
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
1
2
2
2
1
2
2
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
SSW
9
0.7
SSW
9
0.7
SSW
10
0.7
SSW
10
0.7
SSW
9
0.8
E
10
0.9
E
11
0.9
E
11
1
E
11
1
E
11
0.9
E
10
0.9
E
10
0.9
E
10
0.8
E
10
0.7
E
10
0.5
ESE
12
0.6
E
12
0.7
SE
12
Wave Graph
Metric surfscale
Energy kJ
62
76
83
81
75
125
184
188
227
227
164
161
158
125
90
83
103
157
Wind (km/h)
20
SSW
20
SW
20
SW
20
SW
20
SW
20
SW
20
SW
15
SW
15
SW
10
SW
10
SW
10
WSW
10
NE
15
NE
10
ENE
10
E
15
E
10
E
Wind State
on
on
on
on
on
on
on
on
on
on
on
cross-on
off
off
off
cross-off
cross-off
cross-off
High Tide
8:45PM1.33m
9:52PM1.26m
3:52PM1.25m
Low Tide
6:01AM0.54m
7:29AM0.47m
8:02PM1.15m
part cloud
clear
clear
thunderstorm
thunderstorm
clear
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:22
6:21
6:20
 mm
1
1
1
1
1
1
Temp °C
27
27
26
26
26
26
27
27
27
27
26
26
25
25
26
26
26
25
Feels °C
28
28
27
27
27
27
29
29
30
31
29
30
28
27
29
29
29
28
  • 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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