Mera Surf Break

Lat Long: 34.90° N 139.84° E

Mera 48 hour detailed Surf Forecast

Issued: 8 pm 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
27.0° C
0.0° 

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):

  • Morning surf: Morning surf (21 Aug, local time) - 1.5ft (0.5m), 11s period with SE swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 2ft (0.6m), 9s period with SSW swell.
  • Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.7m), 9s period with SSW swell.

The current surf forecast for Mera at 3AM is: 0.5m 11s primary swell from a Southeast direction and 0.5m 9s secondary swell from a South-southwest direction (forecast issued at 08:00pm August 20). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (21 Aug)1.5ft (0.5m)11s
Afternoon (21 Aug)2ft (0.6m)9s
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 8mm), mostly falling on Fri night. Warm (max 27°C on Thu night, min 25°C on Sat night). Wind will be generally light.

Thu
20
Friday
21
Saturday
22
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
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
SE
11
0.5
SE
11
0.5
SE
11
0.5
SE
11
0.5
SE
11
0.5
SE
11
0.6
SSW
9
0.6
SSW
9
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
Wave Graph
Metric surfscale
Energy kJ
57
57
56
56
56
62
62
61
62
76
83
81
75
125
184
188
227
227
Wind (km/h)
15
S
15
S
15
SSW
15
SSW
15
SSW
20
SW
20
SSW
25
SSW
25
SSW
20
SSW
20
SW
20
SW
20
SW
20
SW
20
SW
20
SSW
15
SSW
10
SW
Wind State
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
High Tide
8:13PM1.40m
8:45PM1.33m
Low Tide
4:20AM0.54m
6:01AM0.54m
cloud
cloud
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
cloud
clear
thunderstorm
part cloud
clear
clear
part cloud
part cloud
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:03
5:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:23
6:22
6:21
 mm
1
1
Temp °C
27
27
26
26
26
26
27
27
27
26
26
26
26
26
27
27
27
26
Feels °C
29
30
28
28
29
28
28
28
28
27
27
27
27
27
29
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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