Mera Surf Break

Lat Long: 34.90° N 139.84° E

Mera 48 hour detailed Surf Forecast

Issued: 2 am 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
27.7° C
0.7° 

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 (17 Aug):

  • Morning surf: Morning surf (17 Aug, local time) - 3.5ft (1.1m), 9s period with E swell.
  • Afternoon surf: Afternoon surf (17 Aug, local time) - 3.5ft (1.0m), 9s period with E swell.
  • Evening surf: Evening surf (17 Aug, local time) - 3ft (0.9m), 9s period with ESE swell.

The current surf forecast for Mera at 9AM is: 1.1m 9s primary swell from a East direction and 0.5m 8s secondary swell from a South-southwest direction (forecast issued at 02:00am August 17). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (JST) & DateWave HeightWave Period
Morning (17 Aug)3.5ft (1.1m)9s
Afternoon (17 Aug)3.5ft (1.0m)9s
Evening (17 Aug)3ft (0.9m)9s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Mon morning, min 25°C on Mon night). Wind will be generally light.

Monday
17
Tuesday
18
Wednesday
19
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)
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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)
1.1
E
9
1.1
E
8
1.1
E
8
1.1
E
9
1.1
E
9
1
E
9
1
E
9
0.9
ESE
9
1
E
8
0.9
ESE
9
0.9
ESE
9
0.9
ESE
8
0.7
E
9
0.8
SE
7
0.8
SE
7
0.8
SE
7
0.9
SE
7
0.8
ESE
6
0.8
ESE
6
0.9
ESE
6
0.8
ESE
6
0.8
ESE
6
0.4
SE
10
0.7
ESE
6
Wave Graph
Metric surfscale
Energy kJ
202
173
173
190
190
154
151
123
147
126
123
107
74
55
55
54
67
52
51
68
49
47
35
36
Wind (km/h)
10
E
10
E
15
E
10
E
15
E
15
E
15
ESE
15
ESE
15
ESE
10
E
10
ENE
15
E
10
ESE
15
ESE
15
ESE
10
E
10
ENE
10
ENE
15
NE
10
NE
10
ENE
15
E
15
ESE
15
ESE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
cross-off
High Tide
7:04AM1.41m
7:10PM1.50m
7:51AM1.29m
7:30PM1.48m
8:48AM1.18m
7:50PM1.44m
Low Tide
00:58AM0.50m
1:04PM0.54m
1:37AM0.47m
1:29PM0.71m
2:19AM0.48m
1:50PM0.85m
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:01
5:01
5:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:27
6:25
6:24
 mm
Temp °C
26
25
26
26
27
27
26
26
26
25
25
26
27
27
26
26
25
25
25
26
26
27
26
26
Feels °C
29
27
28
27
29
29
28
28
28
27
28
28
29
29
28
29
28
28
28
29
29
30
28
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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