Shimoda Yamatoken (Tatado Hama) Surf Break

Lat Long: 34.66° N 138.93° E

Shimoda Yamatoken (Tatado Hama) 48 hour detailed Surf Forecast

Issued: 8 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Shimoda Yamatoken (Tatado Hama) sea temperature is
26.8° C
0.6° 

Shimoda Yamatoken (Tatado Hama) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Shimoda Yamatoken (Tatado Hama) today (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 2.5ft (0.8m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 2.5ft (0.8m), 8s period with ESE swell.
  • Evening surf: Evening surf (18 Aug, local time) - 2ft (0.6m), 8s period with E swell.

The current surf forecast for Shimoda Yamatoken (Tatado Hama) at 5PM is: 0.6m 7s primary swell from a Southeast direction (forecast issued at 08:00am August 18). An open ocean swell of 0.6m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (18 Aug)2.5ft (0.8m)8s
Afternoon (18 Aug)2.5ft (0.8m)8s
Evening (18 Aug)2ft (0.6m)8s

Table - waves today at Shimoda Yamatoken (Tatado Hama). (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 27°C on Tue morning, min 24°C on Wed night). Wind will be generally light.

Tuesday
18
Wednesday
19
Thursday
20
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)
0.8
E
8
0.8
E
8
0.8
ESE
8
0.8
ESE
8
0.6
SE
7
0.6
E
8
0.6
E
8
0.6
E
8
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.7
ESE
6
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.4
SE
11
Wave Graph
Metric surfscale
Energy kJ
90
88
77
83
38
50
47
47
26
28
27
34
25
25
25
27
28
30
31
30
30
30
Wind (km/h)
10
NE
10
ENE
10
E
10
ESE
10
E
10
E
5
ENE
10
NE
10
NE
10
ENE
15
E
10
ESE
10
E
10
ENE
5
NE
5
NNE
10
NE
10
ENE
10
E
10
SE
5
SSE
0
SSW
Wind State
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross
cross-on
on
glassy
glassy
High Tide
8:07AM1.51m
8:05PM1.63m
9:00AM1.40m
8:29PM1.60m
10:10AM1.28m
8:55PM1.55m
Low Tide
1:57PM0.69m
2:41AM0.51m
2:24PM0.86m
3:31AM0.52m
2:49PM1.03m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:05
5:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:28
6:27
 mm
Temp °C
25
27
27
27
26
26
25
25
25
27
27
27
26
25
25
24
24
26
27
27
26
26
Feels °C
28
30
29
29
29
30
29
28
28
30
29
29
29
28
29
27
27
29
30
30
30
31
  • 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 

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