Mera Surf Break

Lat Long: 34.90° N 139.84° E

Mera 48 hour detailed Surf Forecast

Issued: 8 am 16 Sep 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
26.6°C
0.6° 

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 (16 Sep):

  • Morning surf: Morning surf (16 Sep, local time) - 3ft (0.9m), 7s period with SE swell.
  • Afternoon surf: Afternoon surf (16 Sep, local time) - 2.5ft (0.8m), 8s period with SE swell.
  • Evening surf: Evening surf (16 Sep, local time) - 2.5ft (0.8m), 12s period with E swell.

The current surf forecast for Mera at 3PM is: 0.8m 8s primary swell from a Southeast direction (forecast issued at 08:00am September 16). An open ocean swell of 1.0m 13s is not directed at the surf break, a second open ocean swell of 0.6m 5s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (16 Sep)3ft (0.9m)7s
Afternoon (16 Sep)2.5ft (0.8m)8s
Evening (16 Sep)2.5ft (0.8m)12s

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


Short Range Forecast

Heavy rain (total 47mm), heaviest during Wed afternoon. Warm (max 23°C on Wed morning, min 19°C on Thu night). Winds increasing (light winds from the NNE on Wed afternoon, strong winds from the NNE by Fri morning).

Wednesday
16
Thursday
17
Friday
18
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
1
2
1
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
E
13
0.9
SE
7
0.9
E
13
0.8
SE
8
0.8
SE
8
0.8
E
12
0.8
E
12
0.7
E
12
0.6
E
12
0.5
SE
8
0.4
SE
8
0.4
SE
8
0.3
SE
8
0.3
SE
8
0.2
SSE
9
0.2
SSE
9
0.1
SE
12
0.2
SSE
12
0.2
SSE
12
0.4
SE
18
1.1
SE
16
1.8
SE
14
Wave Graph
Metric surfscale
Energy kJ
276
89
276
95
78
187
184
141
104
28
20
20
10
10
8
8
6
14
15
108
627
1393
Wind (km/h)
15
N
15
NE
10
ENE
10
NNE
20
NNE
25
NNE
25
NNE
30
NNE
35
NNE
35
NNE
35
NNE
35
NE
40
NE
40
NNE
40
NNE
45
NNE
45
NNE
45
NNE
50
NNE
45
NNE
45
N
45
N
Wind State
cross-off
off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
7:33AM1.32m
6:31PM1.51m
8:23AM1.21m
6:51PM1.45m
9:37AM1.11m
7:13PM1.38m
Low Tide
12:49PM0.83m
1:34AM0.37m
1:09PM0.94m
2:17AM0.44m
1:24PM1.02m
thunderstorm
thunderstorm
mod rain
heavy rain
heavy rain
light rain
light rain
light rain
cloud
part cloud
cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:22
5:24
5:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:46
5:45
5:44
 mm
2
5
7
17
12
3
2
1
Temp °C
23
23
23
22
22
21
21
21
20
20
22
23
21
20
20
19
19
19
20
20
20
20
Feels °C
25
26
26
25
23
20
20
19
16
16
18
18
16
15
14
13
12
12
13
14
14
15
  • 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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