Tengan Surf Break

Lat Long: 26.40° N 127.86° E

Tengan Surf Forecast and Surf Report

Issued: 8 am 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Tengan sea temperature is
28.7°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 13 Sep 2026:

  • Most powerful swell: Sunday 20 Sep, 6AM (local time) - 6ft (1.9m), 15s period, E swell with 1,576 kJ wave energy.

Best Forecast Surf Conditions for Tengan this week:

The most powerful waves expected at Tengan in the next 16 days are 1.9m 15s and forecast to arrive on Sunday (Sep 20) at 6AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Sunday (Sep 20) at 3PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 6AM (Sun 20th Sep)6ft (1.9m) 15s

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


The Lowdown

Alright, Rusty here. Let’s have a look at what’s on the table.

Alright, let’s be straight with you – this forecast for the next 16 days is a tough one. We’re looking at Tengan, and honestly, the surf just isn’t cooperating. The whole run is marked as “poor surf conditions,” so there’s no standout window where everything lines up perfectly. We’ve got a few moments where the wind might clean up, but the swell and conditions never really click for a proper paddle session.

The water temp is sitting at 84°F, which is pretty much normal for this time of year – nothing out of the ordinary there.

Right now, from the 13th of September, we’ve got tiny 1ft to 2ft swell coming from the east with a short, weak period of 8 to 14 seconds. The wind is cross-on or onshore, and the wave energy is low – only hitting between 78 and 114 (weak). It’s not worth suiting up for. This flat, choppy run continues right through the middle of the month.

We hit a bit of a spike around the 19th and 20th of September. The swell bumps up to 3ft to 6ft from the east, with a longer 16 to 17 second period, which is a proper groundswell. The energy jumps to 485, then 807, and even 1179 (strong) on the 20th morning – that’s serious energy. But the wind is howling from the north at 18 to 37 mph, creating a lumpy cross-chop. For a reef break like Tengan, that’s messy. It’s more of a kite-surfing setup than a clean paddle session.

From the 21st, the swell switches direction to the NNW, but the period drops to 8-10 seconds and the wind goes nuts – we’re talking severe gales up to 50 mph. Swell heights hit 7ft to 7ft, which is expert territory, and the energy is still high (842 to 908). But with that wind, it’s just dangerous and ugly.

Then, from the 22nd into the 23rd, things finally clean up. The wind turns cross-off to offshore, and the waves drop to a more manageable 4ft to 7ft. On the 22nd morning, we’ve got a clean 7ft swell from the north with a 10-second period, and the energy is still pumping at 897. The wind is a severe gale cross-off, so it’s clean but howling. By the 23rd morning, we’ve got 4ft from the NNE, offshore wind from the WNW at 25 mph, and the wave comment says “clean.” The energy is 361 (moderate). This is the best of a bad bunch, but that offshore wind is strong – it’ll be hard to paddle into.

After that, it fades. By the 24th, we’re down to 4ft to 4ft from the north, with a short 8-second period, and the energy drops to 262 (moderate). It stays clean, but it’s weak. By the 25th and 26th, we’re back to 2ft to 3ft, lumpy cross-shore winds, and energy in the 80s and 90s (weak). A few small clean waves on the 26th afternoon and 27th morning, with 3ft from the east at 12 seconds, but the wind is back on it.

So, the honest truth: there are no true standouts here. If you’re desperate, the cleanest and most powerful window is the 22nd and 23rd of September, but you’ll need to be an expert and ready for wild wind. Tengan is an inconsistent reef break anyway, so a blank run like this isn’t totally out of character. Forecasts can change, but right now, I’d leave the board at home.

Rusty.

Short Range Forecast

Light rain (total 9mm), mostly falling on Sun afternoon. Warm (max 29°C on Sun morning, min 26°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 16mm), heaviest on Wed morning. Warm (max 28°C on Wed morning, min 26°C on Wed night). Wind will be generally light.

Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
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
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)
0.3
E
14
0.3
E
14
0.8
ESE
8
0.7
ESE
8
0.7
ESE
9
0.7
E
9
0.7
E
9
0.7
E
9
0.7
E
10
0.7
E
10
0.6
E
10
0.6
E
9
0.6
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
N
9
0.8
E
8
0.9
E
17
1.2
E
16
1.7
E
16
Wave Graph
Metric surfscale
Energy kJ
35
36
85
75
79
76
81
87
87
90
67
61
60
42
39
39
38
86
443
737
1397
Wind (km/h)
20
ENE
20
NE
15
E
20
E
15
ENE
15
E
10
ENE
10
ENE
10
ENE
10
ENE
10
NE
15
ENE
15
ENE
15
NE
15
ENE
15
NE
20
NNE
20
NNE
25
NNE
30
N
35
NNE
Wind State
cross-on
cross-on
on
on
cross-on
on
on
cross-on
on
on
cross-on
cross-on
on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross
cross
High Tide
7:49PM2.18m
8:20AM2.09m
8:12PM2.15m
8:57AM1.96m
8:35PM2.09m
9:35AM1.82m
9:00PM2.00m
10:17AM1.66m
9:27PM1.88m
11:15AM1.51m
10:00PM1.75m
1:24PM1.42m
10:52PM1.61m
Low Tide
1:46PM0.47m
2:08AM0.39m
2:13PM0.61m
2:40AM0.38m
2:40PM0.76m
3:13AM0.43m
3:06PM0.91m
3:48AM0.53m
3:34PM1.07m
4:30AM0.66m
4:06PM1.22m
5:32AM0.80m
5:04PM1.35m
clear
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:13
6:13
6:13
6:13
6:13
6:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:36
6:35
6:34
6:31
6:30
6:30
6:29
 mm
2
2
1
1
2
1
3
2
2
1
2
2
1
3
Temp °C
29
29
27
27
28
27
28
28
27
28
28
27
28
28
27
28
28
27
28
28
27
Feels °C
31
31
30
28
29
29
31
31
30
32
31
30
31
31
30
30
30
29
29
28
26
  • 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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