Surf Forecasts:
Tengan surf forecast from 10 Jul 2026:
- Best quality surf: Friday 10 Jul, 9PM (local time) - 23ft (7.0m), 18s period, SE swell with onshore winds.
- Most powerful swell: Saturday 11 Jul, 12AM (local time) - 25ft (7.5m), 18s period, SE swell with 32,096 kJ wave energy.
- Next surfable swell (1★+): Friday 10 Jul, 9PM (local time) - 23ft (7.0m), 18s period with SE swell.
Best Forecast Surf Conditions for Tengan this week:
The surf forecast for Tengan over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 10) at 9PM. The primary swell is predicted to be 7.0m and 18s period. The wind is predicted to be onshore as the swell arrives.
The most powerful waves expected at Tengan in the next 16 days are 7.5m 18s and forecast to arrive on Saturday (Jul 11) at 12AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 8.5m 18s period and expected on Saturday (Jul 11) at 9AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Fri 10th Jul) | 23ft (7.0m) 18s |
| Best Surf | 9PM (Fri 10th Jul) | 23ft (7.0m) 18s |
| Most Powerful | 12AM (Sat 11th Jul) | 25ft (7.5m) 18s |
Table - best surf conditions forecast for Tengan over the next 16 days.
Alright, Rusty here. Let’s size up what’s coming.
Truth is, it’s a pretty barren stretch for a while. From the 10th of July through the 23rd, it’s a total bust. The wind is howling hard, mostly onshore, and all the small bumps are just blown to bits. There’s nothing worth a paddle. The only real glimmer, and it’s a long way out, is the morning of the 24th of July.
On the 24th of July, the light winds shift to the northwest at Tengan (reef), giving us a clean cross-offshore breeze. The swell is tiny – about 2ft from the east, but it’s a clean, 11-second groundswell. The energy is weak, so don’t expect any punch, but it’ll be clean and surfable. For a spot that’s usually inconsistent, this is the best you’ll get in this forecast. The water temp is about normal for this time of year, around 84°F.
The 24th afternoon looks similar, with 2ft from the east at 12 seconds, still clean and cross-off.
After that, the 25th drops right off to ankle-snappers, too small to bother.
So, bottom line – you’re waiting until the 24th of July for a clean, small window at Tengan. It’s your only shot, and it’s not much, but it’s all we’ve got.
Rusty.
Short Range ForecastHeavy rain (total 42mm), heaviest during Sat afternoon. Warm (max 29°C on Fri night, min 27°C on Fri afternoon). Winds decreasing (severe gales from the SE on Fri night, moderate winds from the SSE by Sun night). | Days 5-7 Weather SummaryMostly dry. Warm (max 30°C on Mon afternoon, min 27°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Fri 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | E 9 | SE 18 | SSE 18 | SSE 15 | SSE 12 | SW 13 | SSE 11 | SE 13 | E 9 | SSE 4 | E 9 | E 9 | S 7 | E 9 | E 9 | ESE 11 | E 10 | E 10 | E 9 | E 10 | E 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1700 | 32096 | 0 | 0 | 0 | 0 | 0 | 7 | 2 | 7 | 7 | 7 | 0 | 6 | 6 | 22 | 7 | 8 | 14 | 7 | 7 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | glassy | on | cross-on | cross-on |
High Tide | 3:38PM1.63m | 2:39AM1.87m | 4:56PM1.77m | 3:47AM1.96m | 5:55PM1.92m | 4:48AM2.06m | 6:44PM2.03m | 5:44AM2.16m | 7:28PM2.09m | 6:36AM2.22m | 8:09PM2.11m | 7:25AM2.23m | 8:48PM2.09m | 8:12AM2.17m | |||||||
Low Tide | 8:43PM1.20m | 9:56AM0.43m | 10:08PM1.21m | 10:58AM0.25m | 11:14PM1.17m | 11:53AM0.11m | 00:08AM1.09m | 12:43PM0.01m | 00:56AM1.02m | 1:30PM-0.00m | 1:41AM0.95m | 2:13PM0.05m | 2:26AM0.90m | ||||||||
 |  |  | |  | | | |  | | | |  |  | | | | | | | | |
 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:45 | — | — | 5:45 |
 | 7:23 | — | — | 7:23 | — | — | 7:23 | — | — | 7:23 | — | — | 7:23 | — | — | 7:22 | — | — | 7:22 | — | 7:22 |
mm | 5 | 12 | 9 | 13 | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | 2 | — | 1 |
Temp °C | 28 | 29 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 28 | 30 | 30 | 28 | 30 | 30 | 28 | 29 | 29 | 28 | 29 |
Feels °C | 21 | 20 | 20 | 25 | 26 | 29 | 30 | 31 | 31 | 32 | 31 | 33 | 33 | 32 | 34 | 34 | 32 | 33 | 33 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | SSE 17 | — | — | SSW 16 | SW 14 | SW 13 | SW 12 | SW 11 | SW 10 | S 9 | SW 8 | SW 10 | S 8 | SW 10 | S 8 | SSW 8 | S 8 | S 8 | SW 9 | SW 9 | SW 8 |
| kJ | 12496 | — | — | 5303 | 3065 | 2719 | 1148 | 375 | 117 | 235 | 35 | 46 | 107 | 48 | 42 | 45 | 63 | 43 | 53 | 81 | 44 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | W 12 | W 12 | W 10 | W 11 | SW 9 | W 8 | W 7 | SW 10 | E 9 | SW 10 | SW 10 | SW 10 | SW 10 | S 8 | E 10 | S 9 |
| kJ | — | — | — | — | — | 73 | 232 | 167 | 121 | 68 | 12 | 4 | 45 | 6 | 59 | 47 | 34 | 46 | 28 | 7 | 41 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SE 13 | E 9 | W 9 | E 9 | E 9 | W 7 | SE 12 | E 9 | ESE 11 | E 10 | E 10 | E 9 | SE 10 | E 9 |
| kJ | — | — | — | — | — | — | — | 7 | 2 | 41 | 7 | 7 | 4 | 5 | 6 | 22 | 7 | 8 | 14 | 4 | 7 |
Wind waves Height (m) Direction Period (s) | E 9 | SE 18 | SSE 18 | SSE 15 | SSE 12 | SSE 12 | SSE 11 | SSE 10 | S 10 | SSE 4 | S 9 | S 8 | S 7 | S 8 | — | — | S 7 | — | — | SE 3 | — |
| kJ | 1700 | 32096 | 43154 | 18250 | 4562 | 1809 | 1086 | 562 | 470 | 7 | 270 | 142 | 134 | 78 | — | — | 36 | — | — | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 875 | 737 | 737 | 990 | 631 | 621 | 631 | 636 | 631 | 647 | 636 | 66 | 13 | 13 | 13 | 12 | 13 | 12 | 12 | 12 | 12 |
Best forecast wave conditions in Okinawa | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
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Information about the Tengan Surf forecast
The above surf forecast table for Tengan provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Tengan can be found by selecting the local surf guide option on the grey menu. Our Tengan 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 (Tengan) 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 Tengan 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.
Tengan is 5 km (3 miles) from the city of Ishikawa. If you plan a holiday in Okinawa, look for hotels and other accommodation in Ishikawa. Ishikawa has rooms for a wide range of budgets as well as car hire and transport links.
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