
Surf Forecasts:
Tengan surf forecast from 12 Jul 2026:
- Most powerful swell: Sunday 19 Jul, 12AM (local time) - 1.5ft (0.5m), 11s period, E swell with 61 kJ wave energy.
Best Forecast Surf Conditions for Tengan this week:
The most powerful waves expected at Tengan in the next 16 days are 0.5m 11s and forecast to arrive on Sunday (Jul 19) 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 2.1m 11s period and expected on Sunday (Jul 12) at 3PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 12AM (Sun 19th Jul) | 1.5ft (0.5m) 11s |
Table - best surf conditions forecast for Tengan over the next 16 days.
Alright, let’s get real. I’ve looked at what’s on offer for Tengan, and honestly, mate, it’s a bit of a tough stretch. We’ve got a 16-day window ahead, but don’t get your hopes up too early. The first several days are a write-off.
For the first few days, right through Sunday the 12th and Monday the 13th, there’s just nothing doing. The ocean is flat, and the wind is all over the shop – cross and cross-onshore, lumpy, choppy. Not worth paddling out for. That carries on into Tuesday the 14th, with a tiny 0.7ft easterly dribble and a cross-shore breeze. The combined wave energy is basically nothing (7). It’s poor.
We finally get a little glimmer on Wednesday the 15th morning. The swell is still small, 0.7ft from the east, but the wind turns cross-offshore and it goes clean. The energy is still weak (12), but by the afternoon, the swell bumps up to 1.0ft from the ESE, with a period of 11 seconds, and clean conditions. For a small wave, that’s actually a nice little window. Wave energy is still low (22), but it’s the best we’ve seen.
Thursday the 16th and Friday the 17th stay tiny, but the wind is light and either offshore or cross-offshore, so it’s clean. Still, 0.7ft to 1.0ft is barely a ripple. The energy is weak (7-17).
Then we get a bit more oomph late on Saturday the 18th. The swell picks up to 1ft from the ESE, with a solid 13-second period – that’s a proper groundswell pulse. The combined energy hits 60 (moderate), but the wind turns cross-onshore and it’s fairly choppy. Still, for a reef break like Tengan, that longer period might find a line.
Sunday the 19th sees a bit more size, 2ft from the east, period 11 seconds, energy 76. But the wind is onshore in the morning, then cross-shore in the afternoon. Not ideal, but it’s surfable for a beginner on a longboard.
The real standout, if you can call it that, is Wednesday the 24th of July. We’ve got 2ft from the east, period 10 seconds, and the wind goes glassy. Absolutely dead calm. The water temp is 84°, which is spot on average for this time of year. For a tiny wave, that’s as clean as it gets. If you’ve got a foamie and just want to bob around, that’s your morning.
The other little highlight is Friday the 25th – glassy again, 1.0ft from the ENE. Tiny, but beautiful conditions.
Overall, don’t expect any barrels. The swell never gets above 3ft for the whole run, and even that on Wednesday the 22nd comes with a cross-onshore wind and choppy surface. The energy is moderate (101) but the quality is poor. For a beginner-reef spot like Tengan, this is a flat spell with a few clean, tiny windows. If you’re a kite surfer, the stronger wind and choppy days might be more interesting than paddle surfing.
There’s nothing here that’s a true standout for decent waves. The best clean conditions are on the 24th and 25th, but it’s still knee-high. Forecasts can change, but right now, it’s a long wait for very little.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Sun morning. Warm (max 30°C on Mon afternoon, min 27°C on Tue night). Winds decreasing (fresh winds from the SSE on Sun morning, light winds from the SSE by Tue night). | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Fri night. Warm (max 30°C on Thu afternoon, min 27°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | |||||||||||||||
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) | SSE 11 | S 11 | SE 13 | S 9 | S 9 | SSE 3 | E 9 | E 9 | E 9 | E 9 | ESE 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 15 | ESE 13 | E 11 |
Wave Graph | |||||||||||||||||||||
0 | 0 | 7 | 0 | 0 | 4 | 7 | 6 | 6 | 7 | 22 | 7 | 7 | 7 | 7 | 7 | 17 | 7 | 18 | 60 | 61 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross | cross | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | glassy | cross | cross-on | on |
High Tide | 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 | 9:24PM2.06m | 8:58AM2.06m | 9:57PM2.01m | ||||||||
Low Tide | 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 | 2:53PM0.18m | 3:11AM0.85m | 3:30PM0.35m | ||||||||
5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — | — | |
— | 7:23 | — | — | 7:23 | — | — | 7:23 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | |
mm | 2 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 | 2 | 2 |
Temp °C | 29 | 29 | 28 | 29 | 30 | 28 | 29 | 30 | 28 | 29 | 29 | 28 | 29 | 30 | 28 | 30 | 30 | 28 | 29 | 29 | 28 |
Feels °C | 30 | 31 | 30 | 32 | 32 | 32 | 32 | 34 | 33 | 32 | 32 | 33 | 33 | 34 | 33 | 35 | 34 | 33 | 33 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 11 | SW 10 | SW 9 | S 9 | S 9 | SW 10 | SSW 8 | SSW 8 | SSW 10 | SW 9 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 |
1269 | 563 | 142 | 40 | 235 | 126 | 32 | 119 | 92 | 164 | 128 | 150 | 167 | 77 | 110 | 99 | 79 | 79 | 79 | 75 | 45 | |
Swell 2 Height (m) Direction Period (s) | W 11 | W 10 | W 9 | W 8 | SW 8 | SW 9 | E 9 | SW 9 | SW 11 | E 9 | ESE 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | W 6 | ESE 10 | ESE 13 | E 11 |
151 | 247 | 81 | 35 | 35 | 40 | 7 | 30 | 40 | 7 | 22 | 7 | 7 | 7 | 7 | 7 | 17 | 5 | 18 | 60 | 61 | |
Swell 3 Height (m) Direction Period (s) | — | — | SE 13 | W 11 | W 10 | W 8 | W 7 | E 9 | E 9 | SE 11 | S 7 | S 7 | S 7 | SSW 10 | S 7 | S 7 | W 6 | E 10 | E 15 | S 6 | E 15 |
— | — | 7 | 9 | 28 | 4 | 4 | 6 | 6 | 5 | 1 | 4 | 4 | 10 | 4 | 1 | 3 | 7 | 18 | 1 | 18 | |
Wind waves Height (m) Direction Period (s) | SSE 11 | S 11 | S 10 | S 9 | — | SSE 3 | S 8 | — | S 8 | S 8 | W 4 | SSW 2 | W 4 | WSW 4 | — | — | — | — | — | — | — |
1783 | 1045 | 573 | 375 | — | 4 | 143 | — | 72 | 74 | 3 | 1 | 3 | 6 | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 631 | 631 | 631 | 636 | 679 | 13 | 13 | 13 | 13 | 66 | 613 | 66 | 621 | 621 | 66 | 37 | 772 | 12 | 12 | 12 | 10 |
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.










