Mera Surf Break

Lat Long: 34.90° N 139.84° E

Mera 48 hour detailed Surf Forecast

Issued: 2 am 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
26.0°C
0.2° 

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 (19 Sep):

  • Morning surf: Morning surf (19 Sep, local time) - 11ft (3.5m), 15s period with SE swell.
  • Afternoon surf: Afternoon surf (19 Sep, local time) - 11ft (3.5m), 13s period with SE swell.
  • Evening surf: Evening surf (19 Sep, local time) - 11ft (3.5m), 13s period with SE swell.

The current surf forecast for Mera at 8AM is: 3.5m 15s primary swell from a Southeast direction (forecast issued at 02:00am September 19). An open ocean swell of 1.7m 8s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (19 Sep)11ft (3.5m)15s
Afternoon (19 Sep)11ft (3.5m)13s
Evening (19 Sep)11ft (3.5m)13s

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


Short Range Forecast

Heavy rain (total 206mm), heaviest during Mon night. Warm (max 26°C on Mon morning, min 21°C on Sat morning). Mainly severe gales.

Saturday
19
Sunday
20
Monday
21
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)
1
1
3
5
4
4
4
4
4
4
3
2
2
1
1
1
2
3
6
7
6
6
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)
1.7
SE
13
2.1
SE
13
3
SE
16
3.5
SE
15
3.5
SE
14
3.5
SE
13
3.5
SE
13
3.5
SE
13
3.5
SE
12
3.5
SE
12
3.5
SE
12
3
SE
12
3
SE
11
3.5
SE
11
3
ESE
11
3.5
SE
11
4
SE
12
3.5
SSE
12
4.5
SSE
12
4.5
SSE
13
4.5
SSE
13
4.5
SSE
13
5.5
SSE
14
5.5
SSE
13
Wave Graph
Metric surfscale
Energy kJ
1014
1438
5041
5070
4864
3933
3759
3858
3423
3307
2938
2730
2444
2553
1861
2826
3901
3710
5792
5962
6123
7487
11024
9344
Wind (km/h)
40
NNE
40
NNE
35
NNE
35
NNE
30
NE
25
NE
25
NE
25
NE
25
NE
25
ENE
30
NE
35
NNE
35
NNE
40
NNE
45
NNE
40
NNE
35
NNE
30
NNE
25
NE
25
ENE
35
NE
45
ENE
55
NE
80
N
Wind State
cross-off
cross-off
cross-off
off
off
off
off
off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
cross-off
High Tide
7:37PM1.30m
8:22PM1.20m
3:07PM1.24m
Low Tide
3:17AM0.52m
4:59AM0.57m
6:48AM0.53m
8:05PM1.09m
part cloud
cloud
cloud
part cloud
part cloud
light rain
light rain
cloud
light rain
light rain
light rain
heavy rain
heavy rain
heavy rain
mod rain
mod rain
mod rain
mod rain
mod rain
mod rain
mod rain
thunderstorm
thunderstorm
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:24
5:26
5:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:43
5:40
5:39
 mm
1
1
2
3
4
11
21
12
10
7
6
8
6
8
9
31
22
38
Temp °C
21
21
21
21
24
24
23
23
23
23
22
21
21
22
22
22
22
23
24
25
26
26
26
24
Feels °C
17
17
17
18
22
24
23
23
23
21
20
17
18
19
18
18
19
22
25
26
25
24
21
13
  • 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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