Tengan Surf Break

Lat Long: 26.40° N 127.86° E

Tengan Surf Forecast and Surf Report

Issued: 8 am 28 Aug 2026 (local time)

Forecast update in  hr  min

Today's Tengan sea temperature is
28.8°C
0.2° 

Tengan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Tengan surf forecast from 28 Aug 2026:

  • Best quality surf: Thursday 3 Sep, 12PM (local time) - 4ft (1.2m), 10s period, E swell with offshore winds.
  • Most powerful swell: Monday 31 Aug, 9AM (local time) - 10ft (3.0m), 10s period, ENE swell with 1,597 kJ wave energy.
  • Next surfable swell (1★+): Thursday 3 Sep, 6AM (local time) - 3.5ft (1.1m), 10s period with E 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 Thursday (Sep 03) at 6AM. The primary swell is predicted to be 1.1m and 10s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Tengan in the next 16 days are 3.0m 10s and forecast to arrive on Monday (Aug 31) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 10s period and expected on Wednesday (Sep 02) at 6AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Thu 3rd Sep)3.5ft (1.1m) 10s
Best Surf12PM (Thu 3rd Sep)4ft (1.2m) 10s
Most Powerful 9AM (Mon 31st Aug)10ft (3.0m) 10s

Table - best surf conditions forecast for Tengan over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s have a look at what’s cooking at Tengan.

Right off the bat, I gotta be straight with you – the next week and a half is looking pretty grim. We’ve got a long stretch of messy, wind-affected conditions with not much to get excited about. The wave energy is all over the place, but the wind is consistently ruining things. From Friday the 28th of August right through to the morning of Wednesday the 2nd of September, it's a write-off. Cross-onshore winds and lumpy, poor surf are the story, with the combined swell energy swinging from a weak 134 up to a very strong 1597 on Monday the 31st of August when we see a big 10ft swell from the ENE, but it's paired with a strong onshore breeze – absolute mess.

Now, there is a flicker of hope. Starting Wednesday afternoon the 2nd of September, things start to clean up. We get an offshore wind from the WSW, and though the swell is only 3ft from the east with a decent 10-second period, the wave energy is still moderate at 301. It’s a marginal call, but the clean conditions are a huge upgrade.

Thursday the 3rd of September is where it gets interesting. The morning is clean with a light offshore wind from the west, but the real standout is Thursday afternoon. We’ve got a clean 4ft swell from the east, a strong 11-second period, and the combined swell energy jumps to 375. The wind is offshore from the WNW at 12 mph. This is the best stretch on offer – clean, lined-up waves, and that longer period means some real push in the water. The water temp is sitting at a very warm 84°F, which is about average for this time of year, so you’ll be comfy in a shorty or boardies.

After that, it goes downhill again. Friday the 4th of September and the weekend see the winds turn cross and cross-onshore, and the quality drops right out. We see some bigger swell close to 8ft on Monday the 7th of September, but it’s messy.

Looking into the second week, the pattern stays poor. From Tuesday the 8th of September onward, the swell drops right off, with tiny 0.7ft to 1ft waves and onshore wind, all the way through to the 12th of September. The last few days actually bring a massive pulse of very strong wave energy – a 10ft swell with a very long 15-second period on the 12th. But it’s accompanied by strong onshore wind. That long-period groundswell from the east is best for a reef like Tengan, but the wind will kill it. This is a setup that might be more interesting for kite surfing than paddle surfing, to be honest.

So for the whole forecast period, the only real standout is Thursday the 3rd of September in the afternoon. It’s not huge, but it’s the cleanest, most rideable wave we’re going to see. Don’t expect much else.

Rusty.

Short Range Forecast

Moderate rain (total 10mm), heaviest on Sun night. Warm (max 29°C on Fri afternoon, min 27°C on Sat night). Mainly strong winds.

Days 4-6 Weather Summary

Heavy rain (total 26mm), heaviest during Mon afternoon. Warm (max 28°C on Mon morning, min 27°C on Mon morning). Mainly strong winds.

Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
SE
6
1.3
ESE
7
1.8
ESE
7
1.3
ESE
8
1.2
ESE
7
1.2
ESE
7
1.2
E
8
1.3
ESE
10
1.4
ESE
10
3
ENE
10
2.5
E
10
2.5
ESE
9
1.8
ESE
7
1.2
ESE
7
0.9
ENE
10
1.8
SSE
6
1
E
10
1
E
10
1
E
10
1.3
E
11
1
E
9
Wave Graph
Metric surfscale
Energy kJ
123
158
290
199
147
132
159
278
370
1597
1306
1020
319
160
163
222
179
204
184
375
180
Wind (km/h)
30
ESE
35
ESE
35
ESE
25
ESE
30
ESE
25
E
30
ENE
35
ENE
40
NE
45
ENE
35
E
35
ESE
30
SSE
35
SSE
30
SSW
30
SW
30
WSW
25
WSW
25
W
20
WNW
10
NW
Wind State
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross
cross-off
cross-off
off
off
off
off
cross-off
High Tide
7:16PM2.11m
6:59AM2.19m
7:39PM2.15m
7:35AM2.18m
8:04PM2.16m
8:13AM2.12m
8:29PM2.15m
8:54AM2.02m
8:56PM2.11m
9:40AM1.89m
9:26PM2.04m
10:34AM1.74m
10:03PM1.96m
Low Tide
12:54PM0.29m
1:06AM0.68m
1:22PM0.30m
1:38AM0.57m
1:49PM0.37m
2:12AM0.50m
2:18PM0.49m
2:47AM0.45m
2:48PM0.65m
3:26AM0.45m
3:21PM0.83m
4:12AM0.50m
3:57PM1.02m
thunderstorm
clear
clear
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:07
6:07
6:07
6:07
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:52
6:51
6:50
6:49
6:47
6:46
 mm
1
2
7
4
6
8
3
2
2
1
Temp °C
28
29
28
29
29
27
29
28
27
28
28
28
28
28
28
28
28
27
28
28
27
Feels °C
29
30
28
31
31
28
29
28
26
27
29
28
29
29
29
29
28
28
29
30
30
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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