Surf Forecasts:
Tengan surf forecast from 15 Jul 2026:
- Most powerful swell: Wednesday 22 Jul, 9PM (local time) - 1ft (0.3m), 11s period, ENE swell with 22 kJ wave energy.
Best Forecast Surf Conditions for Tengan this week:
The most powerful waves expected at Tengan in the next 16 days are 0.3m 11s and forecast to arrive on Wednesday (Jul 22) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 8s period and expected on Saturday (Jul 18) at 9AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 9PM (Wed 22nd Jul) | 1ft (0.3m) 11s |
Table - best surf conditions forecast for Tengan over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s call it like it is. For the next couple of weeks, Tengan is looking pretty sleepy. The swell is tiny, and the conditions aren’t lining up for any real surf. There’s a big gap of nothing, but if you’re patient, things might get a little interesting right at the end.
The run starts on Wednesday 15 July with a tiny 1ft ESE swell, cross-off wind from the SW at 12 mph. The water is 81°, which is about 4° cooler than normal for this time of year—pretty unusual. The combined swell energy is a weak 22, so it’s basically flat. Thursday 16 July through Wednesday 22 July is a dead zone—swell barely gets to 0.7ft, with energy readings in the single digits or low teens. The wind is mostly cross-off or glassy at times, but there’s no push. On Tuesday 21 July morning, we get glassy conditions with a 0.7ft ENE swell, but it’s just a ripple.
From Thursday 23 July to Sunday 26 July, the swell inches up to 1ft–1ft from the ENE, but the wind turns onshore or cross-onshore, making it messy. Energy stays low, between 21 and 43. Still not worth paddling out.
Then, on Monday 27 July afternoon, the swell hits 1ft from the SE, but it’s onshore at 9 mph, so it’s choppy. The real hope comes late. On Tuesday 28 July morning, we see a pulse: a 2ft ESE swell with a 13-second period and energy of 101—moderate. The wind is a gentle cross-onshore, so it’s okay. The best of the whole run looks like Thursday 30 July morning and afternoon. The swell reaches 3ft to 4ft from the ESE, with a very long period of 15-16 seconds, and energy of 482 to 498—strong. That’s a groundswell. The wind is light cross-onshore or gentle breeze, so it’ll be a bit lumpy but rideable. This long-period swell might be a bit too straight for a beach break, but at a reef like Tengan, it could line up nicely. This is your standout, but it’s over a week away, so promising but not guaranteed.
Tengan is an inconsistent reef break, good for beginners, and with that size (3ft–4ft) it’s fine for all levels. The swell direction is ESE, close to the optimum NE direction, but not perfect. Crowds can show up sometimes.
No other spots are worth a mention. The whole window is a long wait for a small window of opportunity. Keep checking back.
Rusty.
Short Range ForecastMostly dry. Warm (max 29°C on Fri morning, min 26°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 29°C on Sat afternoon, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Wed 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||
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) | ESE 11 | E 9 | E 9 | E 10 | ESE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 10 | E 10 | E 9 | ENE 9 | ENE 9 | ENE 9 | SW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 22 | 7 | 7 | 7 | 19 | 7 | 7 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 9 | 0 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross-off | cross | cross |
High Tide | 8:09PM2.11m | 7:25AM2.23m | 8:48PM2.09m | 8:12AM2.17m | 9:24PM2.06m | 8:58AM2.06m | 9:57PM2.01m | 9:46AM1.91m | 10:29PM1.97m | 10:37AM1.75m | 11:00PM1.91m | 11:37AM1.59m | 11:34PM1.85m | ||||||||
Low Tide | 1:41AM0.95m | 2:13PM0.05m | 2:26AM0.90m | 2:53PM0.18m | 3:11AM0.85m | 3:30PM0.35m | 3:56AM0.82m | 4:05PM0.55m | 4:44AM0.81m | 4:39PM0.76m | 5:35AM0.81m | 5:14PM0.96m | 6:36AM0.81m | ||||||||
 |  |  | | | | |  | |  | | | | | | | | | | | | |
 | — | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — | — | 5:46 | — | — | 5:47 | — | — | 5:47 | — | — | 5:48 |
 | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:21 | — | 7:21 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 28 | 28 | 27 | 29 | 29 | 28 | 29 | 29 | 28 | 28 | 28 | 27 | 28 | 29 | 27 | 28 | 29 | 27 | 28 |
Feels °C | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 30 | 31 | 31 | 32 | 31 | 32 | 32 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 9 | W 6 | W 6 | SE 9 | W 7 | W 9 | W 7 | W 7 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | SW 8 | SW 7 |
| kJ | 77 | 60 | 58 | 42 | 39 | 27 | 37 | 36 | 3 | 65 | 56 | 63 | 39 | 120 | 101 | 98 | 91 | 76 | 25 | 32 | 11 |
Swell 2 Height (m) Direction Period (s) | ESE 11 | E 9 | E 9 | E 10 | ESE 10 | E 10 | SE 9 | ESE 9 | E 10 | SE 8 | E 10 | E 10 | E 10 | E 9 | E 10 | E 10 | E 9 | ENE 9 | SW 8 | W 7 | W 6 |
| kJ | 22 | 7 | 7 | 7 | 19 | 7 | 3 | 8 | 8 | 3 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 18 | 17 | 7 |
Swell 3 Height (m) Direction Period (s) | S 7 | SSW 10 | S 7 | S 7 | S 9 | SE 9 | E 10 | E 10 | S 6 | E 10 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | ENE 9 | ENE 9 | SW 8 |
| kJ | 10 | 9 | 4 | 4 | 2 | 3 | 7 | 8 | 1 | 7 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 8 | 9 | 10 |
Wind waves Height (m) Direction Period (s) | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | SW 9 | SW 8 | WSW 8 | SW 7 | SW 8 | SW 8 | SW 8 | — | — | — | — | — | — | — | — |
| kJ | 15 | 19 | 26 | 25 | 27 | 51 | 62 | 54 | 159 | 69 | 101 | 93 | 151 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 679 | 613 | 691 | 757 | 621 | 648 | 621 | 52 | 66 | 613 | 66 | 648 | 1273 | 66 | 27 | 980 | 12 | 12 | 27 | 27 | 27 |
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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