Surf Forecasts:
Kodogawa surf forecast from 11 Sep 2026:
- Best quality surf: Friday 11 Sep, 9PM (local time) - 3ft (0.9m), 7s period, SSE swell with glassy winds.
- Most powerful swell: Friday 18 Sep, 3PM (local time) - 4.5ft (1.4m), 17s period, ESE swell with 1,203 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 9PM (local time) - 3ft (0.9m), 7s period with SSE swell.
Best Forecast Surf Conditions for Kodogawa this week:
The surf forecast for Kodogawa over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 11) at 9PM. The primary swell is predicted to be 0.9m and 7s period with a secondary swell of 0.5m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Kodogawa in the next 16 days are 1.4m 17s and forecast to arrive on Friday (Sep 18) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Friday (Sep 11) at 6PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Fri 11th Sep) | 3ft (0.9m) 7s |
| Best Surf | 9PM (Fri 11th Sep) | 3ft (0.9m) 7s |
| Most Powerful | 3PM (Fri 18th Sep) | 4.5ft (1.4m) 17s |
Table - best surf conditions forecast for Kodogawa over the next 16 days.
The Lowdown
Alright, this is Rusty, and I’m looking at the next couple of weeks for us here. Let’s be straight – the first week or so is a bit of a write-off. We’ve got a long stretch of small, weak energy and dodgy wind. Don’t bother paddling out from Friday the 11th through most of the following week unless you’re just after a float.
The real story, the one that’s got me a little fired up, kicks off Saturday the 19th. That’s when things go from flat to *big* in a hurry. We’re looking at a serious groundswell arriving from the ESE with a very long period of 18 seconds. The combined energy on Saturday morning is absolutely pumping at 5340, and it just keeps building. Sunday the 20th is the standout – clean, cross-off winds out of the NNE, and solid 13ft to 15ft waves with energy readings of 7947 and 9175. This is big, powerful, very long-period groundswell. This kind of energy at Kodogawa is strictly for the experienced crew only – over 8ft means it’s expert territory. The period is over 15 seconds, which means these waves will have real punch and long lulls between sets, making it a serious paddle. For the expert surfers, Sunday morning is the absolute peak of the whole forecast. The wind stays clean and cross-off into Monday the 21st, with 12ft waves, still powerful at 5063 energy, but the wind picks up Monday afternoon, making it a bit more messy.
After that big pulse, it drops right back down by Tuesday the 22nd, and we’re into another lull of small, un-surfable conditions through to the end of the week. There’s a little glimmer of hope for the following Saturday the 26th – a clean, glassy morning with 8ft waves from the ESE (1973 energy) – but that’s a long way off and less certain.
To be honest, for most of this period, the setup at this beach/sandbar with strong winds and chop looks more interesting for a kite surfer than a paddle surfer. But if you’re an expert, you mark your calendar for the 20th. That Sunday is the one.
- Rusty
Short Range ForecastLight rain (total 5mm), mostly falling on Fri morning. Warm (max 28°C on Sun afternoon, min 24°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 27mm), heaviest during Tue morning. Warm (max 28°C on Mon morning, min 23°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SE 9 | SE 8 | SSE 7 | ESE 14 | ESE 13 | ESE 14 | E 14 | E 13 | ESE 9 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 115 | 110 | 84 | 64 | 60 | 61 | 93 | 89 | 101 | 150 | 137 | 176 | 255 | 242 | 222 | 184 | 151 | 134 | 106 | 101 | 78 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | glassy | glassy | cross-on | off | glassy | on | glassy | cross | on | glassy | glassy | glassy | glassy | cross-off | cross | off | cross-off | cross | off |
High Tide | 6:35PM2.04m | 6:39AM2.07m | 7:01PM2.05m | 7:19AM2.04m | 7:25PM2.02m | 7:56AM1.95m | 7:47PM1.97m | 8:33AM1.84m | 8:09PM1.90m | 9:11AM1.71m | 8:30PM1.82m | 9:53AM1.57m | 8:52PM1.72m | ||||||||
Low Tide | 12:19PM0.33m | 00:36AM0.58m | 12:52PM0.42m | 1:09AM0.50m | 1:23PM0.54m | 1:41AM0.46m | 1:51PM0.68m | 2:13AM0.45m | 2:17PM0.82m | 2:44AM0.48m | 2:42PM0.96m | 3:18AM0.55m | 3:08PM1.08m | ||||||||
 | |  |  | | |  | | | | |  |  |  |  | | | | | | | |
 | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — |
 | — | 6:25 | — | — | 6:23 | — | — | 6:22 | — | — | 6:22 | — | — | 6:20 | — | — | 6:19 | — | — | 6:17 | — |
mm | 1 | 2 | — | — | — | — | 1 | 1 | — | — | 1 | 4 | 9 | 2 | 1 | 1 | 3 | 6 | 4 | 3 | — |
Temp °C | 26 | 26 | 25 | 27 | 27 | 25 | 27 | 28 | 26 | 28 | 28 | 25 | 23 | 23 | 23 | 25 | 25 | 24 | 24 | 25 | 24 |
Feels °C | 30 | 29 | 30 | 30 | 31 | 30 | 32 | 32 | 32 | 32 | 32 | 29 | 27 | 27 | 27 | 28 | 28 | 27 | 28 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 8 | SSE 7 | SSE 7 | SSE 6 | ESE 10 | E 14 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 |
| kJ | 115 | 110 | 84 | 41 | 26 | 33 | 93 | 47 | 101 | 150 | 137 | 176 | 255 | 242 | 222 | 184 | 151 | 134 | 106 | 101 | 78 |
Swell 2 Height (m) Direction Period (s) | E 6 | ESE 15 | ENE 7 | ESE 14 | ESE 13 | ESE 14 | ESE 9 | E 13 | E 13 | ESE 13 | E 13 | ESE 12 | E 12 | E 14 | E 13 | E 14 | E 14 | E 13 | E 13 | E 12 | E 12 |
| kJ | 24 | 42 | 17 | 64 | 60 | 61 | 32 | 89 | 87 | 56 | 52 | 48 | 47 | 35 | 14 | 61 | 35 | 29 | 29 | 26 | 25 |
Swell 3 Height (m) Direction Period (s) | E 15 | E 9 | ESE 14 | ESE 10 | ESE 10 | SSE 6 | SSE 6 | S 6 | S 6 | S 6 | S 7 | S 6 | S 6 | E 12 | S 7 | S 7 | E 12 | ENE 4 | — | SE 9 | SSE 9 |
| kJ | 39 | 13 | 38 | 18 | 19 | 7 | 7 | 7 | 3 | 3 | 1 | 1 | 1 | 11 | 1 | 1 | 11 | 3 | — | 3 | 8 |
Wind waves Height (m) Direction Period (s) | N 3 | ENE 6 | NNE 3 | NNE 3 | — | — | — | E 4 | — | — | — | — | — | — | NNE 3 | NNE 3 | — | NNE 4 | NNE 3 | — | ENE 3 |
| kJ | 5 | 18 | 2 | 2 | — | — | — | 3 | — | — | — | — | — | — | 4 | 1 | — | 4 | 2 | — | 4 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 124 | 0 | 0 | 124 | 0 | 0 | 124 | 0 | 15 | 124 | 0 | 0 | 0 | 0 | 0 | 45 | 0 | 0 | 124 | 0 |
Best forecast wave conditions in Kyu Shu | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
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Information about the Kodogawa Surf forecast
The above surf forecast table for Kodogawa provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kodogawa can be found by selecting the local surf guide option on the grey menu. Our Kodogawa 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 (Kodogawa) 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 Kodogawa 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.
Kodogawa is 16 km (10 miles) from Nobeoka. If you plan a holiday in Kyu Shu, look for hotels and other accommodation in Nobeoka. Nobeoka has rooms for a wide range of budgets as well as car hire and transport links.
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