Mera Surf Break

Lat Long: 34.90° N 139.84° E

Mera 48 hour detailed Surf Forecast

Issued: 8 pm 14 Aug 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
27.5° C
0.5° 

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 (15 Aug):

  • Morning surf: Morning surf (15 Aug, local time) - 5ft (1.6m), 10s period with E swell.
  • Afternoon surf: Afternoon surf (15 Aug, local time) - 5ft (1.5m), 10s period with E swell.
  • Evening surf: Evening surf (15 Aug, local time) - 4.5ft (1.4m), 10s period with E swell.

The current surf forecast for Mera at 1AM is: 1.8m 10s primary swell from a East direction and 0.5m 9s secondary swell from a Southwest direction, 0.5m 10s secondary swell from a South-southeast direction (forecast issued at 08:00pm August 14). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (15 Aug)5ft (1.6m)10s
Afternoon (15 Aug)5ft (1.5m)10s
Evening (15 Aug)4.5ft (1.4m)10s

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


Short Range Forecast

Heavy rain (total 24mm), heaviest during Fri night. Warm (max 27°C on Sat morning, min 24°C on Sat night). Wind will be generally light.

Fri
14
Saturday
15
Sunday
16
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
2
2
2
2
2
2
2
2
1
2
2
2
1
1
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
E
10
1.6
E
10
1.8
E
10
1.8
E
10
1.7
E
10
1.6
E
10
1.6
E
10
1.5
E
10
1.4
E
10
1.4
E
10
1.4
E
10
1.4
E
10
1.3
E
10
1.3
E
10
1.3
E
10
1.3
E
9
1.3
E
9
1.3
E
9
Wave Graph
Metric surfscale
Energy kJ
450
504
630
618
552
500
500
440
369
384
384
384
313
326
307
258
264
288
Wind (km/h)
20
ESE
20
ESE
20
ESE
25
E
20
E
20
E
20
E
20
E
20
E
20
E
15
ENE
15
NE
15
NE
20
E
20
E
20
ENE
25
E
20
E
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
6:10PM1.51m
5:35AM1.58m
6:31PM1.51m
6:19AM1.51m
6:51PM1.50m
Low Tide
11:45PM0.65m
12:07PM0.22m
00:22AM0.56m
12:37PM0.38m
thunderstorm
mod rain
mod rain
mod rain
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
rain showers
part cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:00
5:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:30
6:30
6:28
 mm
1
6
10
6
1
1
Temp °C
27
26
26
25
25
26
27
27
26
25
25
25
24
26
27
27
26
26
Feels °C
29
27
27
25
25
26
28
27
26
25
26
26
25
27
28
28
26
27
  • 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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