Udo Shrine Surf Break

Lat Long: 31.63° N 131.46° E

Udo Shrine Surf Forecast and Surf Report

Issued: 8 pm 22 Aug 2026 (local time)

Forecast update in  hr  min

Today's Udo Shrine sea temperature is
28.7°C
0.2° 

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


Udo Shrine surf forecast from 22 Aug 2026:

  • Best quality surf: Saturday 29 Aug, 12AM (local time) - 7.5ft (2.3m), 8s period, SSE swell with glassy winds.
  • Most powerful swell: Tuesday 25 Aug, 3PM (local time) - 16ft (5.0m), 16s period, SE swell with 13,377 kJ wave energy.
  • Next surfable swell (1★+): Saturday 29 Aug, 12AM (local time) - 7.5ft (2.3m), 8s period with SSE swell.

Best Forecast Surf Conditions for Udo Shrine this week:

The surf forecast for Udo Shrine over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 29) at 12AM. The primary swell is predicted to be 2.3m and 8s period with a secondary swell of 2.1m and 8s. Another secondary swell of 0.6m and 13s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Udo Shrine in the next 16 days are 5.0m 16s and forecast to arrive on Tuesday (Aug 25) at 3PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 9s period and expected on Monday (Aug 24) at 9PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Sat 29th Aug)7.5ft (2.3m) 8s
Best Surf12AM (Sat 29th Aug)7.5ft (2.3m) 8s
Most Powerful 3PM (Tue 25th Aug)16ft (5.0m) 16s

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


The Lowdown

Right then, let’s have a look at what’s on the cards for Udo Shrine over the next couple of weeks.

First up, it’s a bit of a frustrating start. The reef here at Udo Shrine is exposed, but the conditions just aren’t playing ball for a proper paddle session. We’ve got a pulse of swell coming in, but the wind is all wrong, and the water’s getting chopped up. For the first few days, it’s looking pretty grim. Sunday the 23rd and Monday the 24th are a write-off with onshore winds and messy surf. The combined swell energy is moderate at 252 and building, but the quality is poor.

Things get a bit wild from Tuesday the 25th through to Thursday the 27th, with a big, strong swell arriving. We’re talking swell heights pushing 15 ft to 16 ft, with a very long period of 16 seconds from the SE. The combined energy is absolutely pumping, hitting 11204 and 13672, which is very strong. However, the wind is howling onshore at 16 to 19 mph, making it a dangerous, blown-out mess. This is strictly for the experts only, and even then, it’s going to be a battle. For most, it’s more of a kite-surfing show than a surf session.

We get a bit of a breather towards the end of the first week. Friday the 28th and Saturday the 29th see the swell drop back to a more manageable 6 ft to 10 ft, but the period drops to 8 or 9 seconds, so it’s a weaker, short-period windswell. The wind is still cross or cross-onshore, keeping the surface lumpy. The energy drops to moderate (691 to 1707).

Now, there is a tiny window that looks like the best bet of the whole forecast. Sunday the 30th of August morning is a standout. The wind goes completely glassy at 0 mph, and the swell is a clean 3 ft from the ESE. The energy is low at 232, but with perfect conditions, those little waves will be clean and fun for a longer board. It’s a small window, but for a surfer who knows the reef, it’ll be the pick.

Monday the 31st morning also has a chance with glassy conditions and a slightly better 4 ft swell from the SE, with a period of 10 seconds giving it a bit more push (energy 477). That could be a nice, clean session before the wind picks up.

After that, the forecast goes a bit sideways again. Tuesday the 1st of September sees the wind come back onshore, and by Wednesday the 2nd, we’re back into strong, messy onshores. Then, from Thursday the 3rd right through to Monday the 7th of September, it’s another big, windy period. We get another massive pulse of swell, with heights over 15 ft and strong energy values (5783 and 4587), but it’s accompanied by strong to near-gale force onshore winds. It’s just going to be a howling, blown-out mess for nearly a week. The only slight glimmer is Monday the 7th morning, where the wind drops to a light 6 mph cross-onshore with a 15 ft swell (energy 4587), which gets a score of 4, suggesting it might be the least worst of that period, but it’s still a long way from perfect.

So, overall, there’s a long gap of poor surf until that glassy Sunday the 30th. That’s your one true standout. After that, it’s a week of wild, windy swell that’s best left to the experts or the kite crew. Keep an eye on the forecast, as things can change, but for now, it’s a waiting game.

Rusty.

Short Range Forecast

Light rain (total 5mm), mostly falling on Tue afternoon. Warm (max 28°C on Sun morning, min 26°C on Sat night). Winds increasing (light winds from the E on Sat night, fresh winds from the NE by Tue morning).

Days 5-7 Weather Summary

Heavy rain (total 88mm), heaviest during Wed afternoon. Warm (max 29°C on Fri morning, min 27°C on Wed night). Winds decreasing (fresh winds from the ESE on Wed night, light winds from the ESE by Fri afternoon).

Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
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
1
0
1
4
0
0
0
0
0
0
0
1
2
3
2
4
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
S
8
0.8
E
10
0.7
E
11
0.9
E
10
0.9
SE
13
1.7
SE
15
3.5
SE
17
4.5
SE
16
5
SE
16
5.5
SE
15
4.5
SSE
13
4
SSE
12
3.5
SSE
10
3
SE
9
3
SE
9
3
SE
10
3
SE
10
2.4
SE
9
2.3
SSE
8
Wave Graph
Metric surfscale
Energy kJ
68
130
119
177
273
1289
6475
11161
13377
11974
7550
4804
2146
1725
1644
1727
1563
885
735
Wind (km/h)
10
ENE
10
NE
15
E
10
E
15
NE
20
ENE
15
ENE
25
NE
30
NE
25
ENE
30
E
25
E
25
ESE
20
E
15
ESE
15
SE
15
SE
15
SE
5
NE
Wind State
on
cross-on
cross-on
on
on
on
on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
glassy
High Tide
1:09AM1.65m
4:44PM1.70m
2:48AM1.69m
5:13PM1.80m
3:51AM1.79m
5:40PM1.88m
4:38AM1.90m
6:05PM1.95m
5:17AM2.00m
6:29PM2.01m
5:54AM2.07m
6:53PM2.05m
Low Tide
9:11AM0.77m
9:49PM1.39m
10:07AM0.64m
10:34PM1.27m
10:49AM0.51m
11:09PM1.14m
11:24AM0.40m
11:39PM1.02m
11:56AM0.34m
00:09AM0.90m
12:25PM0.32m
00:38AM0.78m
rain showers
thunderstorm
clear
part cloud
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:43
5:43
5:45
5:46
5:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:51
6:49
6:47
6:46
6:45
6:45
6:44
 mm
1
1
3
18
8
12
13
7
8
15
6
1
Temp °C
27
28
28
27
28
28
27
28
28
28
28
28
28
28
28
27
29
29
28
Feels °C
32
32
31
31
29
30
30
28
29
30
29
29
29
31
31
30
32
31
33
  • 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 Udo Shrine Surf forecast

The above surf forecast table for Udo Shrine provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Udo Shrine can be found by selecting the local surf guide option on the grey menu. Our Udo Shrine 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 (Udo Shrine) 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 Udo Shrine 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.

Udo Shrine is 10 km (6 miles) from Nichinan. If you plan a holiday in Kyu Shu, look for hotels and other accommodation in Nichinan. Nichinan has rooms for a wide range of budgets as well as car hire and transport links.

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