Surf Break

Lat Long: 34.90° N 139.84° E

Mera 48 hour detailed Surf Forecast

Issued: 8 am 27 Sep 2026 (local time)

Forecast update in  hr  min

Today's Mera sea temperature is
25.4°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 (27 Sep):

  • Morning surf: Morning surf (27 Sep, local time) - 1.5ft (0.4m), 10s period with E swell.
  • Afternoon surf: Afternoon surf (27 Sep, local time) - 2.5ft (0.7m), 6s period with SSW swell.
  • Evening surf: Evening surf (27 Sep, local time) - 3ft (0.9m), 7s period with SSW swell.

The current surf forecast for Mera at 4PM is: 0.8m 6s primary swell from a South-southwest direction (forecast issued at 08:00am September 27). An open ocean swell of 0.5m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (27 Sep)1.5ft (0.4m)10s
Afternoon (27 Sep)2.5ft (0.7m)6s
Evening (27 Sep)3ft (0.9m)7s

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


Short Range Forecast

Heavy rain (total 30mm), heaviest during Tue night. Warm (max 25°C on Mon afternoon, min 18°C on Tue night). Winds increasing (calm on Sun night, fresh winds from the WSW by Mon morning).

Sunday
27
Monday
28
Tuesday
29
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)
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
2
0
2
2
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)
0.4
E
10
0.4
E
10
0.4
E
9
0.7
SSW
6
0.9
SSW
7
0.9
SSW
7
0.8
SSW
6
0.8
SSW
6
1.4
SW
6
1.6
SW
6
1.3
SW
6
0.9
SW
5
1
SW
5
1.4
SSW
7
1.3
SSW
7
1.2
SW
7
0.8
SW
13
0.9
SW
13
1
SW
13
1
SW
12
1
SW
12
1.1
SW
12
Wave Graph
Metric surfscale
Energy kJ
30
29
28
43
77
64
48
45
114
169
100
49
57
170
158
127
202
273
315
300
291
367
Wind (km/h)
15
NNE
20
NNE
15
NNE
10
NNE
5
NNW
5
W
15
WSW
20
SW
35
WSW
35
SW
35
WSW
35
SW
25
WSW
15
WSW
25
SW
20
WSW
10
NNW
25
NNE
20
NNE
20
NNE
30
NNE
25
NNE
Wind State
off
off
cross-off
cross-off
cross-off
glassy
on
on
on
on
on
on
on
cross-on
on
on
cross-off
cross-off
off
off
cross-off
off
High Tide
4:33AM1.57m
4:47PM1.54m
5:14AM1.58m
5:07PM1.57m
5:58AM1.55m
5:28PM1.58m
Low Tide
10:44AM0.43m
11:00PM0.31m
11:13AM0.54m
11:33PM0.22m
11:43AM0.66m
light rain
light rain
light rain
light rain
cloud
cloud
cloud
light rain
thunderstorm
thunderstorm
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
cloud
light rain
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:31
—
—
—
—
—
—
5:31
—
—
—
—
—
—
—
5:33
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
5:30
—
—
—
—
—
—
—
5:30
—
—
—
—
—
—
—
5:28
—
—
 mm
3
1
1
1
—
—
—
1
1
1
—
—
—
—
—
—
—
—
1
—
3
6
Temp °C
20
20
21
22
22
22
22
23
23
24
24
25
25
25
25
25
24
22
21
21
19
18
Feels °C
20
19
22
24
24
25
23
23
21
22
22
24
25
26
25
25
26
20
20
20
16
16
  • 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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