Udo Shrine Surf Break

Lat Long: 31.63° N 131.46° E

Udo Shrine Surf Forecast and Surf Report

Issued: 2 pm 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Udo Shrine sea temperature is
28.6° C
0.1° 

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 12 Aug 2026:

  • Best quality surf: Sunday 16 Aug, 9PM (local time) - 3.5ft (1.1m), 10s period, E swell with glassy winds.
  • Most powerful swell: Monday 17 Aug, 3AM (local time) - 4.5ft (1.3m), 10s period, E swell with 318 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 12 Aug, 9PM (local time) - 2.5ft (0.8m), 9s period with S 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 Wednesday (Aug 12) at 9PM. The primary swell is predicted to be 0.8m and 9s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Udo Shrine in the next 16 days are 1.3m 10s and forecast to arrive on Monday (Aug 17) at 3AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 12s period and expected on Wednesday (Aug 12) at 9PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Wed 12th Aug)2.5ft (0.8m) 9s
Best Surf 9PM (Sun 16th Aug)3.5ft (1.1m) 10s
Most Powerful 3AM (Mon 17th Aug)4.5ft (1.3m) 10s

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


The Lowdown

Alright folks, Rusty here. Let’s get straight into what’s on offer at Udo Shrine for the next couple of weeks.

Straight up, it’s a bit of a slow burn. The first week is mostly small and average, with a couple of quiet windows that are worth a look if you’re desperate. The real standout is shaping up for the second weekend and into the following week, when the swell finally kicks in properly.

We start off on Wednesday the 12th. The ocean is small, with a weak 3ft south swell and a short period, just 10 seconds. The wind is a cross-shore from the SSE at 9 mph, so it’s a bit chopped. The combined energy is only 115, which is weak. Not a great way to start, but the water is a warm 84°, which is about normal for this time of year.

Thursday the 13th morning is the first real tease. The swell drops to 2ft from the south, period 9 seconds, but the wind goes dead calm – glassy. The combined energy bumps up to 167, still moderate. It’s surfable, but only just. It’s inconsistent here, so don’t expect a wave every minute. If you’re keen, it’s the best of a weak bunch early on.

Friday the 14th and Saturday the 15th mornings are also glassy, but the swell stays small at 2ft and the period drops to 8 seconds. The energy is weak, around 87 to 130. It’s clean but tiny. You’ll be on a longboard if anything.

Sunday the 16th afternoon sees a shift. The swell jumps to 4ft from the east, with a 10-second period, and the combined energy hits 304 – moderate. But the wind is onshore from the east at 9 mph, which ruins it. The setup looks messy.

Now, here’s where it gets interesting. Monday the 17th morning is your first true highlight. We’ve got a 4ft east swell, 10-second period, and the wind is glassy. The combined energy is a solid 377. This is the best surf of the first week. Expect good conditions. The reef handles the east swell well, and with no wind, it’ll be clean. The crowd profile here is “often,” so expect a few other surfers in the water.

The following week, from Tuesday the 18th through to Friday the 21st, is a write-off. Onshore winds, smaller swell, and generally poor conditions. The energy often drops below 100, and the wind is onshore or cross-onshore. Not worth paddling out.

Then we get to the real standout. Saturday the 22nd morning. The swell is 5ft from the south, period 8 seconds, with a cross-offshore wind from the SSW at 9 mph. The combined energy is 305 – moderate. This is the best of the entire forecast. The wind is clean, the swell has some push, and while it’s not huge, it’s the most consistent and surfable window. Keep in mind the period is short, so it’ll be a bit fat and crumbly, but for Udo Shrine, this is solid.

Moving into the final week, Sunday the 23rd and Monday the 24th are a return to onshore winds and small waves. Not good.

But don’t write it off entirely. Thursday the 27th afternoon sees a bigger swell developing: 6ft from the ESE, period 10 seconds, with a cross-offshore wind from the south at 16 mph. The combined energy is a strong 734. This is a punchy swell, but it’s pushing into the expert zone at over 5ft. The wind is clean, but the size and the reef will make it a proper session for experienced surfers only. This is a promising long-range look, but with that much energy, it could be a bit of a handful.

So, to wrap it up: the best windows are Monday the 17th morning for a clean, smaller session, and Saturday the 22nd morning for the best all-round conditions. The Thursday the 27th afternoon swell is for the experienced crew. This spot is inconsistent, so you’ve got to pick your moments.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 28°C on Thu afternoon, min 24°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 9mm), mostly falling on Mon morning. Warm (max 28°C on Sun afternoon, min 24°C on Sat night). Wind will be generally light.

Wed
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
1
0
1
1
0
1
1
0
1
0
0
2
2
1
1
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
S
10
0.8
S
9
0.7
S
9
0.7
S
9
0.6
E
10
0.7
S
8
0.7
S
8
0.8
S
9
0.7
S
9
0.7
S
8
0.7
S
8
0.6
S
8
1.1
E
10
1.1
E
10
1.3
E
10
1.2
E
10
1.1
E
10
1.1
E
10
0.4
SE
10
1
E
10
Wave Graph
Metric surfscale
Energy kJ
115
106
78
76
69
69
68
106
76
69
68
51
234
235
312
266
230
235
28
186
Wind (km/h)
15
SSE
5
W
0
N
15
S
10
SW
5
ESE
15
SE
5
SSW
5
ENE
10
ESE
5
NNW
10
NNE
15
E
5
NE
5
SE
15
SE
10
E
10
NE
15
ENE
10
E
Wind State
cross
cross-off
glassy
cross-off
cross-off
glassy
cross
cross-off
glassy
cross-on
glassy
cross-on
on
glassy
glassy
cross
cross-on
cross-on
on
on
High Tide
6:41PM2.06m
5:59AM2.16m
7:12PM2.09m
6:45AM2.18m
7:42PM2.09m
7:28AM2.14m
8:10PM2.07m
8:11AM2.04m
8:36PM2.04m
8:53AM1.91m
9:02PM1.99m
9:38AM1.76m
9:28PM1.93m
Low Tide
00:16AM0.97m
12:39PM0.10m
00:55AM0.83m
1:17PM0.18m
1:32AM0.73m
1:52PM0.32m
2:09AM0.67m
2:24PM0.52m
2:46AM0.65m
2:54PM0.73m
3:25AM0.68m
3:21PM0.94m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
rain showers
rain showers
rain showers
part cloud
rain showers
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:37
5:37
5:37
5:39
5:39
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
6:59
6:58
6:57
6:55
6:54
 mm
2
3
2
2
2
Temp °C
27
26
27
28
26
27
28
26
27
27
26
27
28
26
28
28
27
27
28
26
Feels °C
27
28
29
29
28
29
30
29
30
29
30
29
30
30
30
31
31
30
30
28
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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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