Surf Break

Lat Long: 34.90° N 139.84° E

Mera 48 hour detailed Surf Forecast

Issued: 8 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 (21 Oct):

  • Morning surf: Morning surf (21 Oct, local time) - 5ft (1.5m), 14s period with SSE swell.
  • Afternoon surf: Afternoon surf (21 Oct, local time) - 8ft (2.5m), 7s period with SW swell.
  • Evening surf: Evening surf (21 Oct, local time) - 4.5ft (1.4m), 14s period with S swell.

The current surf forecast for Mera at 3AM is: 1.2m 12s primary swell from a Southeast direction and 0.8m 16s secondary swell from a South direction, 1.5m 5s secondary swell from a Southwest direction (forecast issued at 08:00pm October 20). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (21 Oct)5ft (1.5m)14s
Afternoon (21 Oct)8ft (2.5m)7s
Evening (21 Oct)4.5ft (1.4m)14s

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


Short Range Forecast

Some drizzle, heaviest during Wed morning. Warm (max 25°C on Tue night, min 16°C on Thu night). Mainly near gales.

Tue
20
Wednesday
21
Thursday
22
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
4
2
1
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
SE
13
1.1
SE
12
1.3
SSE
12
1.2
SE
12
0.9
S
15
1.5
SSE
14
2.2
SW
6
2.5
SW
7
3
SW
7
1.4
S
14
1.7
S
15
1.6
S
16
1.2
S
13
1.6
S
14
1.4
S
14
1.5
S
13
1.2
S
13
1.4
S
14
Wave Graph
Metric surfscale
Energy kJ
501
343
488
414
352
943
384
609
714
780
1212
1211
473
1041
732
780
470
825
Wind (km/h)
30
SW
30
SW
30
SW
35
SW
40
SW
45
SW
50
SW
55
SW
55
SW
55
SW
45
SW
45
SW
20
W
20
NNE
35
NE
40
ENE
35
ENE
35
ENE
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
off
off
off
cross-off
off
High Tide
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
clear
clear
part cloud
cloud
clear
part cloud
thunderstorm
clear
clear
clear
clear
clear
clear
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>
—
—
—
—
—
—
—
4:59
—
—
—
—
—
—
—
4:58
—
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 mm
—
—
—
—
—
—
1
—
—
—
—
—
—
—
—
—
—
—
Temp °C
25
24
24
25
25
25
25
25
25
25
24
23
23
21
20
18
18
18
Feels °C
24
23
23
23
22
21
20
19
20
19
19
17
21
20
16
12
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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