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 21 Sep 2026 (local time)

Forecast update in  hr  min

Today's Shimoda Yamatoken (Tatado Hama) sea temperature is
25.5°C
0.5° 

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 (21 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 15ft (4.5m), 13s period with SSE swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 16ft (5.0m), 13s period with SSE swell.
  • Evening surf: Evening surf (21 Sep, local time) - 11ft (3.5m), 12s period with SSE swell.

The current surf forecast for Shimoda Yamatoken (Tatado Hama) at 2PM is: 5.0m 13s primary swell from a South-southeast direction and 0.6m 11s secondary swell from a East direction (forecast issued at 08:00am September 21). An open ocean swell of 2.0m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (21 Sep)15ft (4.5m)13s
Afternoon (21 Sep)16ft (5.0m)13s
Evening (21 Sep)11ft (3.5m)12s

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


Short Range Forecast

Heavy rain (total 179mm), heaviest during Mon afternoon. Warm (max 27°C on Mon night, min 22°C on Tue night). Mainly near gales.

Monday
21
Tuesday
22
Wednesday
23
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
!
4
3
2
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)
4
SSE
13
4.5
SSE
13
4.5
SSE
13
5
SSE
13
5
SSE
13
3.5
SSE
12
2.5
ESE
10
2
ESE
10
1.1
E
9
1.2
SSE
9
0.8
SE
9
0.7
SE
8
1
S
8
0.6
SE
8
0.8
S
8
1
E
5
1.1
E
5
1.4
ENE
5
1.5
ENE
5
1.5
ENE
5
1.6
ENE
5
1.6
ENE
6
Wave Graph
Metric surfscale
Energy kJ
5175
6518
7487
8781
8428
3179
1201
716
201
218
95
71
134
38
71
50
60
94
126
120
149
145
Wind (km/h)
40
NE
35
NE
40
NE
50
NNE
55
N
30
NNW
15
W
10
W
5
SSW
10
E
20
ESE
15
E
15
E
20
E
20
ENE
25
NE
25
NE
30
NE
25
NE
25
NE
20
NE
20
NE
Wind State
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross-off
High Tide
3:26PM1.47m
00:43AM1.30m
3:48PM1.55m
2:24AM1.39m
4:09PM1.60m
Low Tide
7:02AM0.55m
9:04PM1.21m
8:19AM0.50m
9:31PM1.06m
9:13AM0.45m
mod rain
mod rain
heavy rain
heavy rain
heavy rain
heavy rain
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
light rain
light rain
rain showers
light rain
light rain
rain showers
light rain
rain showers
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:30
5:31
5:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:42
5:40
 mm
6
10
19
58
61
19
1
2
1
3
2
1
1
1
Temp °C
23
24
25
25
26
27
26
26
25
26
25
26
25
24
24
23
22
22
22
22
22
22
Feels °C
20
22
23
21
21
26
29
29
29
29
26
27
26
24
25
22
21
20
20
21
21
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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