Mera Surf Break

Lat Long: 34.90° N 139.84° E

Mera 48 hour detailed Surf Forecast

Issued: 2 pm 18 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 (18 Sep):

  • Afternoon surf: Afternoon surf (18 Sep, local time) - 1ft (0.3m), 11s period with SE swell.
  • Evening surf: Evening surf (18 Sep, local time) - 3.5ft (1.1m), 14s period with SE swell.

The current surf forecast for Mera at 7PM is: 0.7m 11s primary swell from a East direction and 0.4m 14s secondary swell from a Southeast direction (forecast issued at 02:00pm September 18). An open ocean swell of 2.0m 8s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (18 Sep)--
Afternoon (18 Sep)1ft (0.3m)11s
Evening (18 Sep)3.5ft (1.1m)14s

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


Short Range Forecast

Heavy rain (total 210mm), heaviest during Sun night. Warm (max 25°C on Sun night, min 21°C on Fri afternoon). Winds increasing (light winds from the NE on Sat night, gales from the NNE by Mon morning).

Fri
18
Saturday
19
Sunday
20
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
1
1
4
4
4
4
4
4
4
4
3
3
5
2
2
2
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)
0.2
SSE
12
0.3
SE
11
0.7
E
11
1.1
SE
14
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
SE
12
3.5
SE
12
3.5
SE
12
3
SE
12
3.5
SE
12
3.5
SE
11
3.5
SE
11
3.5
SE
11
3.5
SE
12
Wave Graph
Metric surfscale
Energy kJ
13
20
112
416
1014
1438
5041
5070
4864
3874
3532
3066
2987
2938
2766
2861
3367
2747
2622
3904
Wind (km/h)
45
NNE
45
NNE
40
NNE
40
NNE
40
NNE
40
NNE
35
NNE
35
NNE
35
NNE
30
NNE
30
NNE
30
NE
20
NE
25
NNE
25
NE
30
NNE
35
NNE
40
NNE
40
NNE
45
NNE
Wind State
off
off
off
off
cross-off
cross-off
off
off
off
off
off
off
off
off
off
off
off
off
off
cross-off
High Tide
9:37AM1.11m
7:13PM1.38m
7:37PM1.30m
8:22PM1.20m
Low Tide
1:24PM1.02m
3:17AM0.52m
4:59AM0.57m
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
light rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:24
5:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:43
5:40
 mm
1
3
1
11
13
27
19
20
10
Temp °C
23
22
21
21
21
21
21
21
22
24
23
22
23
23
22
23
22
22
22
22
Feels °C
17
16
16
17
17
16
17
17
19
23
22
21
23
23
21
22
19
18
18
17
  • 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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