Tengan Surf Break

Lat Long: 26.40° N 127.86° E

Tengan Surf Forecast and Surf Report

Issued: 2 pm 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's Tengan sea temperature is
28.6°C
0.1° 

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


Tengan surf forecast from 25 Aug 2026:

  • Best quality surf: Tuesday 1 Sep, 12PM (local time) - 5ft (1.5m), 12s period, ESE swell with cross-offshore winds.
  • Most powerful swell: Tuesday 25 Aug, 9PM (local time) - 8ft (2.5m), 14s period, E swell with 2,394 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 1 Sep, 12PM (local time) - 5ft (1.5m), 12s 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 (Sep 01) at 12PM. The primary swell is predicted to be 1.5m and 12s period with a secondary swell of 1.3m and 5s. 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 2.5m 14s and forecast to arrive on Tuesday (Aug 25) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 8s period and expected on Wednesday (Aug 26) at 3AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Tue 1st Sep)5ft (1.5m) 12s
Best Surf12PM (Tue 1st Sep)5ft (1.5m) 12s
Most Powerful 9PM (Tue 25th Aug)8ft (2.5m) 14s

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


The Lowdown

G'day, Rusty here. Let's talk about the waves coming up, and I’ll be straight with you—it’s a bit of a slow burn to start. We’ve got a solid gap of nothing much before things finally get interesting.

Right now, and for the rest of August, it's a write-off. The first real swell we can even look at doesn’t arrive until the afternoon of Tuesday, 1st September. That’s nearly a week of flat or messy conditions with strong winds and junk from the 25th right through to the 31st. Honestly, not worth paddling out for any of it.

The first whiff of life comes Tuesday afternoon, 1st September. The spot to have on your radar is Tengan. It’s a reef break, so you need to know where you're putting your feet, and it’s inconsistent, meaning it doesn’t fire all the time. But when it does, it’s a beauty, though this is only really for the advanced crew.

The standout window by a mile is the afternoon of Wednesday, 2nd September. We’re looking at a serious pulse of swell hitting Tengan from the ESE at a solid 12 ft with a long period of 14 seconds. That's proper groundswell, packing some serious grunt with a combined energy of 6861 —that’s strong wave energy. The wind is swinging offshore from the west at a gentle 12 mph, which is going to groom those faces to perfection. This is exceptional, but it’s expert territory. Anything over 8 ft is for the experienced crew only, and this is well above that. If you’ve got the skills, this is the session to lock in.

Thursday morning, 3rd September, pushes it even bigger with a 20 ft swell from the SE at 11 seconds. That’s a beast, and the combined energy is a whopping 9247. The wind is cross-shore though, so it might get a bit lumpy on the face, but for big-wave chargers, that’s the call.

After that, the energy drops off quickly. The following week (5th to 9th September) tails off into smaller, weaker swells with onshore and cross-shore winds, and the quality fades. There are a few glassy mornings on the 8th with 4 ft ESE swell and 11 second period, but the energy is low at around 298. It’d be clean and fun for a longboard or a fish, but nothing to write home about compared to that Wednesday afternoon.

So, bottom line: sit out the first week. Mark your calendar for the 2nd of September. That’s the one.

Rusty.

Short Range Forecast

Heavy rain (total 24mm), heaviest during Tue afternoon. Warm (max 29°C on Thu morning, min 27°C on Tue afternoon). Winds decreasing (gales from the W on Tue night, moderate winds from the S by Wed night).

Days 5-7 Weather Summary

Light rain (total 4mm), mostly falling on Fri afternoon. Warm (max 29°C on Fri afternoon, min 27°C on Sat night). Mainly fresh winds.

Tue
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3.5
E
16
3.5
NNE
10
2.5
NNW
10
1.9
NW
9
0.4
ENE
13
0.3
E
13
0.3
E
13
1.2
SE
5
1.3
SE
6
1.6
SE
7
1.1
SE
7
0.8
SE
6
0.3
E
13
0.3
ENE
12
0.3
ENE
12
0.3
ENE
12
0.4
ESE
7
0.6
ESE
9
0.7
ESE
9
1
ESE
11
Wave Graph
Metric surfscale
Energy kJ
6040
2200
1314
619
58
30
28
68
141
213
97
45
30
30
28
27
21
54
68
222
Wind (km/h)
45
NNW
70
W
50
SW
40
SSW
35
S
30
S
25
SSE
30
SE
35
SE
30
SE
25
ESE
20
ESE
25
ESE
20
E
25
ENE
30
ENE
35
NE
40
NE
35
NE
25
NE
Wind State
cross-off
off
cross-off
cross-off
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
6:10PM1.88m
5:13AM1.94m
6:32PM1.97m
5:49AM2.06m
6:54PM2.05m
6:24AM2.15m
7:16PM2.11m
6:59AM2.19m
7:39PM2.15m
7:35AM2.18m
8:04PM2.16m
8:13AM2.12m
8:29PM2.15m
Low Tide
11:38PM1.07m
12:00PM0.41m
00:07AM0.94m
12:28PM0.33m
00:36AM0.80m
12:54PM0.29m
1:06AM0.68m
1:22PM0.30m
1:38AM0.57m
1:49PM0.37m
2:12AM0.50m
2:18PM0.49m
2:47AM0.45m
mod rain
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
rain showers
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:05
6:05
6:07
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:55
6:54
6:53
6:52
6:52
6:51
6:50
 mm
6
10
5
2
1
1
2
1
4
17
Temp °C
28
28
28
28
28
29
29
28
29
29
28
29
29
28
29
29
28
28
28
27
Feels °C
26
22
26
27
28
30
31
29
30
30
30
30
31
30
30
29
28
27
28
27
  • Map Icons:
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  • 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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