Surf Forecasts:
Tengan surf forecast from 6 Jul 2026:
- Best quality surf: Friday 10 Jul, 9AM (local time) - 20ft (6.0m), 18s period, SE swell with onshore winds.
- Most powerful swell: Friday 10 Jul, 9AM (local time) - 20ft (6.0m), 18s period, SE swell with 23,226 kJ wave energy.
- Next surfable swell (1★+): Tuesday 7 Jul, 9AM (local time) - 2.5ft (0.8m), 13s period with ESE 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 Tuesday (Jul 07) at 9AM. The primary swell is predicted to be 0.8m and 13s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Tengan in the next 16 days are 6.0m 18s and forecast to arrive on Friday (Jul 10) at 9AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 7.5m 18s period and expected on Friday (Jul 10) at 6AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Tue 7th Jul) | 2.5ft (0.8m) 13s |
| Best Surf | 9AM (Fri 10th Jul) | 20ft (6.0m) 18s |
| Most Powerful | 9AM (Fri 10th Jul) | 20ft (6.0m) 18s |
Table - best surf conditions forecast for Tengan over the next 16 days.
Updates in hr min s Forecast update imminent
Alright, let's get into it. The next 16 days for Tengan are a classic story of a bright start and then a long, ugly stretch. The standout window is right at the beginning—Tuesday July 7th—and after that, you’re mostly looking at a whole lot of nothing for a while, with only a couple of marginal chances much later.
On Tuesday the 7th, Tengan’s got clean, rideable surf. The morning sees a clean 2.6ft ESE swell with a long 13-second period, and the wind is light from the SSW, cross-off. That’s nice and tidy. Combined energy is solid at 318—moderate but enough for a fun session on this reef. Then the afternoon glassed right off: wind goes totally light from the west, making it glassy. The swell bumps up a touch to 3.3ft, period stretches to 16 seconds, and energy climbs to 519. That’s a decent little pulse, especially for an inconsistent reef break like Tengan. Water temp is about 83°, pretty normal for this time of year. Keep in mind this spot is a beginner-friendly reef, inconsistent, and crowds can show up sometimes—but Tuesday should be well worth the paddle.
Now here’s the kicker: after that, it all goes pear-shaped. From Wednesday July 8th through at least July 14th, conditions are poor. The wind swings onshore, swell gets big and messy, and by Friday July 10th you’ve got a massive 20ft groundswell from the SE with gale-force onshore winds—that’s expert-only and borderline dangerous. Combined energy hits 23,226, which is insane, but with onshore screaming it’s unsurfable. Then the bottom drops out: tiny windswell, cross-onshore chop, and bad juju for many days. A real blank run.
There’s a flicker of hope on Wednesday July 15th afternoon: a 5.9ft SE swell, 10-second period, but the wind is onshore from the ESE, making it a marginal call at best. Then Saturday July 18th morning has a clean 5.2ft NW swell with cross-off wind from the NW, but the period is short (7 seconds) and energy is only 253—ordinary conditions, not a standout.
Honestly, if you’re after anything good, you’ve got to lock in Tuesday July 7th. That’s the true highlight. After that, you’re waiting
Short Range ForecastLight rain (total 7mm), mostly falling on Thu morning. Warm (max 29°C on Tue afternoon, min 26°C on Tue night). Winds increasing (calm on Tue afternoon, near gales from the E by Thu night). | Days 4-6 Weather SummaryHeavy rain (total 72mm), heaviest during Sat night. Warm (max 29°C on Fri morning, min 27°C on Sun night). Winds decreasing (gales from the ESE on Fri afternoon, moderate winds from the SE by Sun night). | ||||||||||||||||||||
Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | |||||||||||||||
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) | ESE 13 | ESE 16 | ESE 17 | ESE 16 | SE 16 | SE 16 | SE 16 | SE 16 | SE 17 | SE 18 | SSE 18 | SSE 17 | SW 16 | SW 14 | SW 13 | SSE 10 | E 10 | ESE 7 | ESE 4 | ESE 6 | E 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 198 | 519 | 848 | 1229 | 2013 | 2643 | 3808 | 4780 | 9607 | 23226 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 53 | 30 | 55 | 43 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:01AM1.69m | 11:42PM1.85m | 12:15PM1.59m | 00:30AM1.84m | 1:54PM1.55m | 1:30AM1.84m | 3:38PM1.63m | 2:39AM1.87m | 4:56PM1.77m | 3:47AM1.96m | 5:55PM1.92m | 4:48AM2.06m | 6:44PM2.03m | ||||||||
Low Tide | 5:07PM0.74m | 6:16AM0.80m | 5:59PM0.93m | 7:27AM0.72m | 7:11PM1.10m | 8:44AM0.59m | 8:43PM1.20m | 9:56AM0.43m | 10:08PM1.21m | 10:58AM0.25m | 11:14PM1.17m | 11:53AM0.11m | 00:08AM1.09m | ||||||||
 | |  | | |  |  | |  | | | | | | | |  | | | |  | |
 | 5:41 | — | — | 5:41 | — | — | 5:41 | — | — | 5:41 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — |
 | — | 7:24 | — | — | 7:24 | — | — | 7:24 | — | — | 7:23 | — | — | 7:23 | — | — | 7:23 | — | — | 7:23 | — |
mm | — | — | — | — | — | — | 3 | 2 | 2 | 3 | 5 | 5 | 2 | 5 | 20 | 6 | 7 | 19 | 10 | 6 | 3 |
Temp °C | 28 | 29 | 27 | 29 | 29 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 28 | 27 | 26 | 27 |
Feels °C | 31 | 33 | 30 | 31 | 31 | 30 | 30 | 29 | 28 | 25 | 24 | 25 | 26 | 27 | 27 | 30 | 30 | 30 | 29 | 27 | 30 |
Swell 1 Height (m) Direction Period (s) | ESE 13 | ESE 16 | ESE 17 | ESE 16 | SE 16 | SE 16 | SE 16 | SE 16 | SE 17 | — | — | — | SW 16 | SW 14 | SW 13 | SW 11 | SW 10 | S 10 | S 9 | S 10 | SSE 9 |
| kJ | 198 | 519 | 848 | 1229 | 2013 | 2643 | 3808 | 4780 | 9607 | — | — | — | 6481 | 3150 | 1783 | 366 | 177 | 266 | 166 | 214 | 295 |
Swell 2 Height (m) Direction Period (s) | W 6 | W 7 | W 6 | WNW 6 | — | W 6 | — | S 18 | SSE 18 | — | — | — | — | — | — | W 12 | W 10 | SW 9 | SW 9 | SW 9 | SW 11 |
| kJ | 17 | 14 | 10 | 14 | — | 7 | — | 225 | 3442 | — | — | — | — | — | — | 70 | 78 | 70 | 53 | 43 | 30 |
Swell 3 Height (m) Direction Period (s) | ESE 18 | SW 8 | SW 8 | SE 17 | — | — | — | — | — | — | — | — | — | — | — | — | E 10 | W 9 | E 9 | E 9 | E 9 |
| kJ | 120 | 11 | 3 | 73 | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 14 | 7 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NE 4 | NE 4 | ENE 5 | — | SE 18 | SSE 18 | SSE 17 | SSE 13 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | ESE 7 | ESE 4 | ESE 6 | E 6 |
| kJ | — | — | — | — | — | 13 | 27 | 64 | — | 23226 | 25106 | 23880 | 5664 | 2793 | 1489 | 1019 | 717 | 53 | 30 | 55 | 43 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 12 | 12 | 636 | 12 | 647 | 875 | 621 | 737 | 1009 | 745 | 737 | 631 | 647 | 636 | 631 | 13 | 613 | 66 | 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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