Surf Break

Lat Long: 34.90° N 139.84° E

Mera 48 hour detailed Surf Forecast

Issued: 2 pm 20 Oct 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
25.1°C
1.8° 

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 Oct):

  • Afternoon surf: Afternoon surf (20 Oct, local time) - 2.5ft (0.8m), 12s period with SSE swell.
  • Evening surf: Evening surf (20 Oct, local time) - 3.5ft (1.1m), 12s period with SE swell.

The current surf forecast for Mera at 10PM is: 1.1m 12s primary swell from a Southeast direction and 0.6m 13s secondary swell from a South-southeast direction, 1.4m 5s secondary swell from a South-southwest direction (forecast issued at 02:00pm October 20). The wind direction is predicted to be onshore.

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

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Tue night. Warm (max 25°C on Tue afternoon, min 17°C on Thu night). Winds decreasing (near gales from the SW on Wed afternoon, moderate winds from the NNE by Thu morning).

Tue
20
Wednesday
21
Thursday
22
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
3
2
1
0
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)
0.9
SE
9
0.8
SSE
12
1.2
SE
13
1.1
SE
12
1.2
SE
12
1.2
SE
12
0.9
S
15
1.5
SSE
14
2.4
SW
7
2.5
SW
7
2.5
SW
7
3
SW
7
1.6
S
15
1.6
S
16
1
S
15
1.6
S
14
1.5
S
14
1.4
S
13
1.1
S
13
1.1
S
13
Wave Graph
Metric surfscale
Energy kJ
115
199
501
343
428
414
352
899
476
625
714
795
1074
1211
452
1041
840
680
395
383
Wind (km/h)
40
SW
35
SW
30
SW
30
SW
30
SW
40
SW
40
SW
45
SW
50
SW
55
SW
55
SW
55
SW
45
SW
40
SW
25
W
20
NNE
30
NE
40
ENE
40
ENE
35
ENE
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-off
off
off
cross-off
off
High Tide
1:48PM1.22m
11:22PM1.09m
2:11PM1.28m
1:08AM1.17m
2:31PM1.34m
Low Tide
7:21PM1.01m
6:51AM0.52m
7:56PM0.87m
7:44AM0.50m
8:26PM0.70m
part cloud
cloud
clear
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
5:50
—
—
—
—
—
—
—
5:50
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
5:00
—
—
—
—
—
—
—
4:59
—
—
—
—
—
—
—
4:58
—
—
 mm
—
—
—
1
1
1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
25
25
25
25
25
25
24
25
25
25
25
25
24
24
23
21
20
19
18
18
Feels °C
22
22
24
24
24
22
20
21
20
19
19
20
19
19
20
19
16
13
12
12
  • 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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