Mera Surf Break

Lat Long: 34.90° N 139.84° E

Mera 48 hour detailed Surf Forecast

Issued: 8 am 21 Jul 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
25.8° 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 Jul):

  • Morning surf: Morning surf (21 Jul, local time) - 3.5ft (1.1m), 11s period with E swell.
  • Afternoon surf: Afternoon surf (21 Jul, local time) - 2.5ft (0.7m), 4s period with SW swell.
  • Evening surf: Evening surf (21 Jul, local time) - 3ft (0.9m), 4s period with SW swell.

The current surf forecast for Mera at 12PM is: 1.1m 10s primary swell from a East direction and 0.3m 8s secondary swell from a South-southeast direction, 0.6m 4s secondary swell from a Southwest direction (forecast issued at 08:00am July 21). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (21 Jul)3.5ft (1.1m)11s
Afternoon (21 Jul)2.5ft (0.7m)4s
Evening (21 Jul)3ft (0.9m)4s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Thu night. Warm (max 29°C on Thu afternoon, min 27°C on Tue morning). Winds decreasing (fresh winds from the SW on Wed night, calm by Thu morning).

Tuesday
21
Wednesday
22
Thursday
23
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
1
1
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
E
11
1.1
E
11
1.1
E
10
0.7
SW
4
0.8
SW
4
0.9
SW
4
0.9
SW
4
1
SW
4
0.9
SW
4
0.8
SW
4
0.8
SW
5
0.8
SW
5
0.9
SW
5
1
SW
5
1
SW
5
0.8
E
10
0.7
E
10
0.7
E
10
0.7
E
10
0.7
E
10
0.6
E
9
0.6
E
9
Wave Graph
Metric surfscale
Energy kJ
286
275
270
14
21
31
32
40
34
24
25
34
43
48
52
125
96
94
92
88
63
61
Wind (km/h)
20
SW
20
SW
25
SW
25
SW
25
SW
25
SW
25
SW
25
SW
20
WSW
15
SW
25
SW
20
SW
20
SW
30
SW
25
SW
25
SW
10
WSW
5
NNW
5
NW
10
SSE
5
ESE
5
NE
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
glassy
glassy
cross-on
cross-off
glassy
High Tide
9:17AM1.13m
9:01PM1.38m
10:53AM1.05m
9:30PM1.36m
1:15PM1.05m
Low Tide
3:09AM0.59m
2:45PM0.73m
4:11AM0.56m
3:14PM0.89m
5:28AM0.52m
3:52PM1.02m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:41
4:41
4:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:51
6:50
 mm
2
Temp °C
26
27
28
28
27
27
27
27
27
27
28
28
28
27
27
27
27
28
28
29
28
28
Feels °C
28
29
30
30
28
29
29
29
30
30
31
31
31
28
29
30
32
34
33
34
33
34
  • 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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