Tengan Surf Break

Lat Long: 26.40° N 127.86° E

Tengan Surf Forecast and Surf Report

Issued: 8 am 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's Tengan sea temperature is
29.0°C
0.7° 

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


Tengan surf forecast from 15 Sep 2026:

  • Most powerful swell: Sunday 20 Sep, 12PM (local time) - 6.5ft (2.0m), 15s period, E swell with 1,722 kJ wave energy.

Best Forecast Surf Conditions for Tengan this week:

The most powerful waves expected at Tengan in the next 16 days are 2.0m 15s and forecast to arrive on Sunday (Sep 20) at 12PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 8s period and expected on Sunday (Sep 20) at 12AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful12PM (Sun 20th Sep)6.5ft (2.0m) 15s

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 for the Tengan area. Gotta be straight with you – the first week or so is a total write-off. The surf is tiny and the wind is a messy cross-onshore most days. There’s a long dry spell from the 15th through to the 19th where you’re just wrestling small, choppy junk. The combined wave energy is weak, barely hitting triple digits (141) on the 15th morning. Not worth paddling out.

However, things start to rumble to life later on. The standout action is all in the last few days of September and the very start of October. Hold out for the 27th through the 30th. That’s where the magic is likely to happen.

Let’s break it down. For the 20th and 21st of September, the swell jumps up, but it’s messy with strong winds. The 20th sees the swell hitting 6ft to 7ft from the east, but with a fresh cross-shore wind, it’s lumpy. The 21st has a bit better direction (NNW cross-off) and a solid 5ft to 7ft swell, but the period drops off, making it a bit chaotic. The combined wave energy is strong though, over 1500 on the 20th and 1269 on the 21st, so there's power, but not much shape. This is more of a kite-surfing kind of setup, honestly.

The real head-turner comes from the 27th of September onward. Surf is building from the southeast with a very long period groundswell of 14 to 16 seconds. That’s the kind of energy that travels for days. The 27th morning is 6ft with a 14-second period, and by the 28th afternoon, it’s hitting 10ft with a 16-second period. The combined swell energy goes ballistic – over 1700 on the 27th afternoon, 3675 on the 28th morning, and peaking at 7877 on the 30th afternoon. That’s massive power.

Now, the caveat: Tengan is a reef setup, and it’s inconsistent by nature. When you get this kind of long-period SE energy, it’s often best on a reef or point, but with 10ft to 13ft surf, this is strictly for experts. The size will be intimidating, and the long period can make the sets unpredictable. The wind is cross-shore, not clean offshore, which is a bit of a letdown. For the 28th, the swell is 8ft to 10ft (too big for beginners), and by the 30th, it’s a solid 12ft to 13ft. Only the most experienced chargers should even think about it.

Water temp is a balmy 84°F, which is about average for this time of year, so no wetsuit needed.

Bottom line: The first week is a skip. The real window is the very end of the month. The 27th and 28th of September offer the best combo of size and swell quality, but it’s not perfect. It’s a raw, powerful, expert-only reef break that’s inconsistent. If you’re skilled and patient, it could be a session to remember. The 30th is just huge and messy. Keep an eye on the wind shifts – a cleaner offshore would make it world-class, but we’re not seeing that.

Stay stoked, check the charts, and be ready for the last weekend of the month.

Rusty.

Short Range Forecast

Moderate rain (total 17mm), heaviest on Wed morning. Warm (max 28°C on Tue morning, min 26°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 3mm), mostly falling on Fri afternoon. Warm (max 28°C on Fri morning, min 26°C on Fri night). Winds increasing (light winds from the NE on Fri morning, fresh winds from the N by Sun afternoon).

Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
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
1
1
1
2
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
E
9
0.7
E
10
0.7
E
10
0.7
E
10
0.8
NNW
7
0.9
N
7
0.5
E
9
0.5
E
9
0.7
N
7
0.6
N
8
0.6
N
7
0.4
ESE
9
0.6
E
15
0.9
E
15
1.4
E
14
1.9
E
15
2
E
15
1.8
E
14
1.6
ENE
14
2.1
NNW
9
2.4
NNW
9
Wave Graph
Metric surfscale
Energy kJ
81
88
89
90
62
72
41
41
51
40
34
28
170
367
775
1513
1699
1334
939
645
960
Wind (km/h)
10
NE
15
NE
10
NNE
10
NNE
15
NE
15
NE
15
NE
15
NE
15
NE
10
NE
15
NNE
15
NNE
15
NNE
20
NE
20
NNE
25
N
30
N
30
N
30
NNW
35
NNW
25
NNW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross
cross
cross
cross-off
cross-off
cross-off
High Tide
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
3:53PM1.51m
1:09AM1.53m
4:33PM1.64m
Low Tide
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
7:30AM0.87m
8:23PM1.39m
9:19AM0.80m
9:52PM1.25m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
clear
clear
thunderstorm
clear
part cloud
clear
cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:13
6:13
6:13
6:15
6:15
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:34
6:31
6:30
6:30
6:29
6:28
6:27
 mm
2
3
2
3
3
1
1
2
2
1
Temp °C
28
28
27
28
27
26
27
28
26
28
28
27
28
28
27
28
28
26
27
27
26
Feels °C
31
31
31
31
29
28
30
31
29
31
31
30
31
30
28
28
28
23
24
24
24
  • 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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