Tengan Surf Break

Lat Long: 26.40° N 127.86° E

Tengan Surf Forecast and Surf Report

Issued: 8 pm 14 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 14 Sep 2026:

  • Most powerful swell: Sunday 20 Sep, 9AM (local time) - 8ft (2.4m), 16s period, E swell with 2,855 kJ wave energy.

Best Forecast Surf Conditions for Tengan this week:

The most powerful waves expected at Tengan in the next 16 days are 2.4m 16s and forecast to arrive on Sunday (Sep 20) at 9AM. 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 Saturday (Sep 19) at 9AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 9AM (Sun 20th Sep)8ft (2.4m) 16s

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 on the table for the next couple of weeks.

Straight up, Tengan is the only game in town, and I gotta be honest with you – it’s a tough stretch ahead. This is a reef break that’s usually inconsistent, and for the first week, we’ve got a real flat spell. From Tuesday the 15th right through to Friday the 18th, the waves are tiny, between 1ft and 2ft, with short period wind swell, and the wind is never doing us any favours – mostly cross-onshore. It’s weak energy too (between 65 and 156 on the combined scale). There’s just nothing to get excited about. It’s a blank run for a few days.

Now, things start to change around Saturday the 19th. The swell picks up a bit, but the wind gets nasty. Saturday morning we see 4ft from the east with a very long 15-second period – that’s proper groundswell energy (565). Problem is, the wind is howling cross-onshore at 16 mph, so it’s going to be messy. That afternoon the swell jumps to 5ft (1214 energy) but the wind freshens to 19 mph, and it’s cross-shore. Not the clean conditions we want, especially for a reef.

Sunday the 20th is where it gets interesting, but only for the brave. We’ve got a solid 8ft east swell with a 16-second period – that’s a lot of juice (3226 energy). The wind is strong from the north at 25 mph, but it turns cross-offshore in the afternoon, so the surface cleans up. Still, at that size, this is expert-only territory. It’s a powerful, long-period groundswell, which on a reef can be a sight to behold, but it’s not for the faint-hearted. The water temp is about average for this time of year.

Monday the 21st is a write-off. The wind goes bonkers – gale-force from the northwest at 40 mph – and the swell is a messy 10ft from the north-northwest with a short period. Even though it’s cross-off, you’d be mad to paddle out in that wind. Tuesday the 22nd sees the wind swing offshore from the west, but it’s still a near-gale at 37 mph. The swell drops a bit to 8ft, but it’s still big, and the offshore wind is so strong it’ll be near impossible to paddle into anything. The combined energy is still hefty (over 1600).

By Wednesday the 23rd, things calm down. The swell is a more manageable 7ft from the north, and the wind drops to a moderate 16 mph from the west-northwest, giving us clean conditions. It’s not perfect, but it’s the most user-friendly it’s been in days. The period is a short 10 seconds, so it’s more of a wind swell, but at least you could have a go.

After that, it’s a slow fade. Thursday the 24th sees the swell drop to 4ft, and the wind is cross-shore again. Friday the 25th and Saturday the 26th are back to small, choppy conditions. Then Sunday the 27th through to the end of the month looks like another run of strong, messy winds and big, unruly swell. Sunday the 27th has 5ft from the southeast with a 13-second period, but the wind is a strong cross-onshore. Monday the 28th and Tuesday the 29th are even bigger, with 8ft to 10ft, but the wind is near-gale force and cross-shore. The whole thing ends on Wednesday the 30th with a massive 13ft swell and a severe gale blowing cross-offshore – huge, but absolutely not for paddling.

So, if you’re looking for the best of a bad bunch, Sunday the 20th afternoon is a standout for experts – big, clean, powerful groundswell. And Wednesday the 23rd is your best bet for something a bit more manageable, with clean conditions and a decent 7ft. But honestly, for most of the next two weeks, the conditions are hostile. It’s one to watch from the shore, or maybe rig up the kite if that’s your thing.

Rusty.

Short Range Forecast

Moderate rain (total 19mm), heaviest on Tue afternoon. Warm (max 28°C on Tue morning, min 26°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Some drizzle, heaviest during Fri afternoon. Warm (max 29°C on Fri afternoon, min 26°C on Thu night). Winds increasing (light winds from the NE on Thu night, strong winds from the N by Sun afternoon).

Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
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
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
E
9
0.7
E
9
0.7
E
10
0.7
E
10
0.7
E
10
0.6
E
9
0.8
NNW
7
0.5
E
9
0.5
E
9
0.7
N
7
0.6
N
7
0.4
ESE
9
0.3
E
17
1.1
E
15
1.5
E
16
1.9
E
16
2.4
E
16
2.3
E
16
2.1
E
15
Wave Graph
Metric surfscale
Energy kJ
78
81
88
89
90
62
62
42
43
51
37
26
50
538
1134
1767
2855
2497
1933
Wind (km/h)
10
NE
10
NE
10
NE
10
NE
10
NNE
15
NNE
15
ENE
10
NE
15
NE
15
NE
10
NE
15
NNE
20
NE
25
NNE
30
NNE
35
N
40
N
45
N
50
NNW
Wind State
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-off
cross-off
High Tide
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
3:53PM1.51m
1:09AM1.53m
Low Tide
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
7:30AM0.87m
8:23PM1.39m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
clear
clear
clear
part cloud
clear
part cloud
thunderstorm
<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
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:35
6:34
6:31
6:30
6:30
6:29
6:28
 mm
1
2
3
4
2
4
1
2
1
2
Temp °C
27
28
28
27
28
28
26
27
28
27
28
29
27
28
28
27
28
27
27
Feels °C
30
31
31
31
31
31
28
31
31
30
30
32
29
29
27
26
26
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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