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 10 Aug 2026 (local time)

Forecast update in  hr  min

Today's Shimoda Yamatoken (Tatado Hama) sea temperature is
26.3° C
1.0° 

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 (10 Aug):

  • Morning surf: Morning surf (10 Aug, local time) - 6ft (1.8m), 12s period with E swell.
  • Afternoon surf: Afternoon surf (10 Aug, local time) - 6ft (1.8m), 12s period with E swell.

The current surf forecast for Shimoda Yamatoken (Tatado Hama) at 2PM is: 1.8m 12s primary swell from a East direction (forecast issued at 08:00am August 10). An open ocean swell of 1.4m 11s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 3.

Time (JST) & DateWave HeightWave Period
Morning (10 Aug)6ft (1.8m)12s
Afternoon (10 Aug)6ft (1.8m)12s
Evening (10 Aug)--

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


Short Range Forecast

Heavy rain (total 36mm), heaviest during Tue night. Warm (max 27°C on Mon morning, min 22°C on Tue night). Wind will be generally light.

Monday
10
Tuesday
11
Wednesday
12
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)
3
2
2
3
1
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)
1.7
E
12
1.8
E
12
1.8
E
12
1.8
E
12
1.7
E
12
1.9
E
11
1.9
E
11
1.8
E
10
1.7
E
10
1.7
E
10
1.7
E
12
1.6
E
12
1.6
E
12
0.1
SE
13
1.1
S
4
1.2
SSE
5
0.9
SSE
5
0.8
SE
4
1.1
ESE
5
1.6
ESE
10
1.3
ESE
6
1.1
ESE
5
Wave Graph
Metric surfscale
Energy kJ
871
930
900
885
749
0
0
0
0
0
0
0
0
7
50
66
40
21
66
454
95
62
Wind (km/h)
15
NNE
15
NE
10
E
5
SE
10
ESE
15
ENE
20
NE
15
ENE
10
NE
5
NE
10
SW
20
WSW
15
SW
10
SW
5
SSE
10
E
15
E
15
E
20
ENE
20
NE
20
NE
20
NE
Wind State
cross-off
cross
cross-on
glassy
on
cross
cross-off
cross
cross
cross
cross
cross-off
cross
cross
glassy
cross-on
cross-on
cross-on
cross
cross
cross
cross
High Tide
5:02PM1.57m
2:49AM1.48m
5:26PM1.63m
3:47AM1.56m
5:50PM1.67m
Low Tide
9:24AM0.27m
10:10PM1.18m
10:09AM0.19m
10:46PM1.08m
10:49AM0.15m
part cloud
clear
part cloud
part cloud
thunderstorm
thunderstorm
rain showers
rain showers
thunderstorm
rain showers
light rain
cloud
cloud
mod rain
light rain
light rain
light rain
light rain
light rain
light rain
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:00
5:01
5:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:37
6:37
6:36
 mm
1
1
1
1
1
1
1
9
4
1
1
2
4
1
Temp °C
25
26
27
27
26
25
24
23
23
23
24
24
24
23
22
23
23
23
23
23
23
23
Feels °C
27
28
30
31
29
27
25
24
25
25
26
24
25
25
25
25
23
23
23
23
22
22
  • 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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