Mera Surf Break

Lat Long: 34.90° N 139.84° E

Mera 48 hour detailed Surf Forecast

Issued: 2 am 20 Jul 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
25.7° C
0.1° 

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 (20 Jul):

  • Morning surf: Morning surf (20 Jul, local time) - 2.5ft (0.8m), 9s period with E swell.
  • Afternoon surf: Afternoon surf (20 Jul, local time) - 2.5ft (0.8m), 8s period with E swell.
  • Evening surf: Evening surf (20 Jul, local time) - 3.5ft (1.1m), 12s period with E swell.

The current surf forecast for Mera at 8AM is: 0.9m 9s primary swell from a East direction and 0.2m 11s secondary swell from a East-southeast direction, 0.5m 7s secondary swell from a South direction (forecast issued at 02:00am July 20). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Jul)2.5ft (0.8m)9s
Afternoon (20 Jul)2.5ft (0.8m)8s
Evening (20 Jul)3.5ft (1.1m)12s

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


Short Range Forecast

Some drizzle, heaviest during Wed night. Warm (max 28°C on Wed morning, min 26°C on Mon night). Wind will be generally light.

Monday
20
Tuesday
21
Wednesday
22
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
0
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)
0.9
E
9
0.9
E
9
0.9
E
9
0.8
E
9
0.8
E
9
0.8
E
8
0.8
E
9
1.1
E
12
1.1
E
11
1.2
E
11
1.1
E
11
1.1
E
11
0.2
ESE
12
0.3
SSE
8
0.7
SW
4
0.8
SW
4
0.8
SW
4
0.9
SW
4
0.8
SW
4
0.6
SW
5
0.6
SW
5
0.6
SW
5
0.7
SW
5
0.7
SW
5
Wave Graph
Metric surfscale
Energy kJ
129
129
126
97
95
91
93
341
313
345
286
275
13
12
16
25
25
32
24
17
14
21
25
22
Wind (km/h)
15
SSW
20
SW
15
SW
15
SW
20
SW
20
SW
20
SW
25
SW
20
SW
20
SW
15
SW
15
SW
20
SW
20
SW
20
SSW
20
SW
25
SW
20
SW
15
WSW
15
WSW
20
SW
20
SSW
20
SSW
25
SW
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
on
on
on
on
High Tide
8:09AM1.25m
8:37PM1.39m
9:17AM1.13m
9:01PM1.38m
10:53AM1.05m
Low Tide
2:17AM0.63m
2:15PM0.55m
3:09AM0.59m
2:45PM0.73m
4:11AM0.56m
3:14PM0.89m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:39
4:41
4:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:52
6:51
 mm
Temp °C
26
26
26
27
27
27
27
27
26
26
26
27
27
27
27
27
27
26
27
27
28
28
27
27
Feels °C
29
29
29
31
30
29
29
29
28
28
29
30
30
30
30
30
29
28
30
30
32
32
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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