Surf Forecasts:
Shimoda Yamatoken (Tatado Hama) surf forecast from 25 Aug 2026:
- Best quality surf: Tuesday 1 Sep, 3AM (local time) - 2.5ft (0.8m), 12s period, S swell with cross-offshore winds.
- Most powerful swell: Tuesday 25 Aug, 6PM (local time) - 6ft (1.8m), 12s period, S swell with 948 kJ wave energy.
- Next surfable swell (1★+): Friday 28 Aug, 6AM (local time) - 2.5ft (0.7m), 13s period with E swell.
Best Forecast Surf Conditions for Shimoda Yamatoken (Tatado Hama) this week:
The surf forecast for Shimoda Yamatoken (Tatado Hama) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 28) at 6AM. The primary swell is predicted to be 0.7m and 13s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Shimoda Yamatoken (Tatado Hama) in the next 16 days are 1.8m 12s and forecast to arrive on Tuesday (Aug 25) at 6PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 6s period and expected on Friday (Aug 28) at 3AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Fri 28th Aug) | 2.5ft (0.7m) 13s |
| Best Surf | 3AM (Tue 1st Sep) | 2.5ft (0.8m) 12s |
| Most Powerful | 6PM (Tue 25th Aug) | 6ft (1.8m) 12s |
Table - best surf conditions forecast for Shimoda Yamatoken (Tatado Hama) over the next 16 days.
The Lowdown
Alright, Rusty here. Let's break down what's happening at Shimoda Yamatoken (Tatado Hama). Water's 81°F, which is pretty normal for this time of year.
First things first – not much to get excited about until later. Tuesday the 25th brings a solid southerly swell, chest to head high at around 6ft, with a good 13 seconds between waves. The energy is strong. Problem is, the wind is a moderate cross-offshore breeze, keeping it clean, but the conditions are still rated as marginal or tricky with the tide. Tuesday arvo is similar but a drop-off in quality. Then from Wednesday the 26th through to Monday the 31st, we're in a total flat spell. Tiny waves, poor winds, and just nothing worth paddling out for. Friday morning the 28th has a moment with glassy conditions but the swell is only 2ft – you'd be scratching for anything rideable.
The standout window in this whole 16-day stretch is Tuesday the 1st of September in the morning. A 4ft southerly groundswell, period around 12 seconds, and the wind goes dead calm, glassy – perfect conditions. The wave energy is decent. This is your best bet by a long shot. This spot is known to be inconsistent, so when a window like this opens up, you get on it. There could be a few others around, but it'll be worth the wait.
After that, it's back to poor conditions. We get a bigger pulse around the 6th and 7th of September – waves around 5ft to 6ft from the east-southeast, but the period drops to 8 or 9 seconds, and the wind is a messy cross-shore breeze. It'll be choppy and unruly, better for the kiteboarders than us. So keep your eyes locked on that Tuesday the 1st of September morning session. That's the one.
Rusty.
Short Range ForecastModerate rain (total 13mm), heaviest on Thu afternoon. Warm (max 29°C on Tue morning, min 24°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Fri morning. Warm (max 28°C on Sat morning, min 25°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||
Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | S 13 | S 12 | E 13 | E 13 | E 12 | SSE 10 | S 11 | SW 6 | E 13 | E 13 | E 12 | E 12 | E 12 | E 12 | ENE 3 | ENE 4 | E 12 | SW 10 | S 11 | S 11 | ESE 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1283 | 957 | 168 | 114 | 103 | 133 | 114 | 76 | 170 | 153 | 105 | 100 | 67 | 66 | 2 | 2 | 0 | 0 | 39 | 57 | 115 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | glassy | cross-off | cross-off | cross | cross-on | cross | cross | on | off | cross-off | cross | cross-off |
High Tide | 4:57PM1.61m | 3:23AM1.52m | 5:19PM1.66m | 4:14AM1.61m | 5:41PM1.69m | 4:58AM1.68m | 6:02PM1.71m | 5:39AM1.72m | 6:23PM1.71m | 6:18AM1.72m | 6:45PM1.71m | 6:58AM1.68m | 7:06PM1.69m | ||||||||
Low Tide | 9:39AM0.30m | 10:23PM1.07m | 10:21AM0.24m | 10:52PM0.94m | 10:58AM0.23m | 11:21PM0.81m | 11:31AM0.25m | 11:50PM0.69m | 12:03PM0.32m | 00:20AM0.58m | 12:32PM0.42m | 00:51AM0.50m | 1:01PM0.55m | 1:25AM0.44m | |||||||
 | |  | |  |  |  | |  |  | | | | |  | | | | | | | |
 | 5:11 | — | — | 5:11 | — | — | 5:11 | — | — | 5:13 | — | — | 5:13 | — | — | 5:15 | — | — | 5:15 | — | — |
 | — | 6:21 | — | — | 6:19 | — | — | 6:17 | — | — | 6:16 | — | — | 6:15 | — | — | 6:14 | — | — | 6:13 | — |
mm | — | — | — | — | — | — | 1 | 5 | 7 | 1 | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 29 | 29 | 26 | 29 | 29 | 27 | 29 | 29 | 26 | 26 | 26 | 25 | 28 | 28 | 26 | 26 | 27 | 26 | 29 | 29 | 26 |
Feels °C | 31 | 30 | 29 | 31 | 31 | 30 | 31 | 32 | 29 | 30 | 27 | 28 | 30 | 31 | 30 | 29 | 31 | 31 | 32 | 32 | 30 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 12 | S 13 | SSW 12 | SSW 12 | SW 11 | SW 11 | SW 11 | SW 10 | SW 6 | E 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 6 | SW 10 | SW 10 | SW 10 | S 10 |
| kJ | 1283 | 957 | 927 | 488 | 446 | 360 | 297 | 249 | 138 | 80 | 105 | 92 | 233 | 198 | 134 | 98 | 15 | 96 | 110 | 76 | 96 |
Swell 2 Height (m) Direction Period (s) | E 11 | E 13 | E 13 | E 13 | SSE 9 | SSE 10 | S 11 | S 10 | E 13 | SW 9 | S 8 | E 12 | E 12 | E 12 | E 11 | ENE 13 | E 12 | E 12 | E 11 | E 11 | ESE 12 |
| kJ | 60 | 176 | 168 | 114 | 73 | 133 | 114 | 71 | 170 | 67 | 36 | 100 | 67 | 66 | 62 | 55 | 73 | 72 | 65 | 66 | 115 |
Swell 3 Height (m) Direction Period (s) | E 14 | SW 10 | SE 10 | SSE 9 | E 12 | E 12 | E 11 | E 13 | S 9 | E 13 | SW 11 | S 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SW 9 | SSW 8 | S 11 | S 11 | SW 9 |
| kJ | 100 | 24 | 50 | 55 | 103 | 98 | 63 | 90 | 58 | 153 | 31 | 33 | 20 | 21 | 12 | 12 | 29 | 20 | 39 | 57 | 68 |
Wind waves Height (m) Direction Period (s) | SW 10 | SW 10 | WSW 4 | WSW 4 | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | — | SW 9 | WSW 5 | NW 3 | — | ENE 3 | ENE 4 | — | — | ENE 3 | ENE 4 | — |
| kJ | 76 | 96 | 26 | 23 | 41 | 41 | 86 | 76 | 104 | — | 231 | 61 | 3 | — | 2 | 2 | — | — | 4 | 4 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 84 | 417 | 1 | 64 | 457 | 67 | 67 | 67 | 44 | 0 | 1 | 0 | 67 | 40 | 67 | 67 | 40 | 1 | 1 | 1 | 0 |
Best forecast wave conditions in Shizuoka | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
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Information about the Shimoda Yamatoken (Tatado Hama) Surf forecast
The above surf forecast table for Shimoda Yamatoken (Tatado Hama) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Shimoda Yamatoken (Tatado Hama) can be found by selecting the local surf guide option on the grey menu. Our Shimoda Yamatoken (Tatado Hama) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Shimoda Yamatoken (Tatado Hama)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Shimoda Yamatoken (Tatado Hama) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Shimoda Yamatoken (Tatado Hama) is 2 km (1 miles) from the city of Shimoda. If you plan a holiday in Shizuoka, look for hotels and other accommodation in Shimoda. Shimoda has rooms for a wide range of budgets as well as car hire and transport links.
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