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 pm 20 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) - 18ft (5.5m), 13s period with SSE swell.
  • Evening surf: Evening surf (21 Sep, local time) - 15ft (4.5m), 12s period with SE swell.

The current surf forecast for Shimoda Yamatoken (Tatado Hama) at 2AM is: 3.5m 13s primary swell from a South-southeast direction and 0.5m 12s secondary swell from a East direction (forecast issued at 08:00pm September 20). An open ocean swell of 1.8m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (21 Sep)15ft (4.5m)13s
Afternoon (21 Sep)18ft (5.5m)13s
Evening (21 Sep)15ft (4.5m)12s

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


Short Range Forecast

Heavy rain (total 160mm), heaviest during Mon night. Warm (max 26°C on Mon morning, min 22°C on Wed morning). Mainly near gales.

Sun
20
Monday
21
Tuesday
22
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)
1
2
2
0
0
!
0
0
0
0
1
1
2
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
SE
12
3
SSE
12
3
SSE
12
3.5
SSE
13
4
SSE
13
4.5
SSE
13
5.5
SSE
13
5.5
SSE
13
6
SE
13
4.5
SE
12
2.5
ESE
10
1.4
E
9
0.9
SE
9
0.9
SE
9
0.8
SE
9
0.7
SE
8
0.6
SE
8
0.9
S
8
Wave Graph
Metric surfscale
Energy kJ
2107
2460
2977
4343
5531
7420
9573
9481
11985
6566
1186
341
147
138
95
69
41
98
Wind (km/h)
35
NE
30
NNE
35
NNE
35
NE
35
NE
30
NE
35
ENE
40
ENE
50
NNE
50
NNW
25
W
15
WSW
5
W
5
ENE
20
E
25
E
25
E
20
E
Wind State
cross
cross-off
cross-off
cross
cross
cross
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
glassy
cross
cross-on
cross-on
cross-on
cross-on
High Tide
3:03PM1.39m
9:00PM1.35m
3:26PM1.47m
00:43AM1.30m
3:48PM1.55m
Low Tide
7:23PM1.35m
7:02AM0.55m
9:04PM1.21m
8:19AM0.50m
heavy rain
rain showers
light rain
mod rain
mod rain
heavy rain
thunderstorm
thunderstorm
heavy rain
heavy rain
rain showers
part cloud
clear
clear
part cloud
part cloud
part cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:30
5:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:42
 mm
11
5
2
6
9
11
22
24
24
46
3
1
Temp °C
23
23
23
23
24
25
26
26
26
26
26
26
26
26
26
26
25
25
Feels °C
21
21
20
21
22
25
25
24
22
22
26
28
30
30
27
26
25
26
  • 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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