Surf Forecasts:
Osaki Point surf forecast from 9 Jul 2026:
- Best quality surf: Friday 10 Jul, 9AM (local time) - 13ft (4.0m), 17s period, S swell with glassy winds.
- Most powerful swell: Saturday 11 Jul, 9PM (local time) - 16ft (5.0m), 17s period, SSW swell with 14,633 kJ wave energy.
- Next surfable swell (1★+): Thursday 9 Jul, 9PM (local time) - 10ft (3.0m), 15s period with SSE swell.
Best Forecast Surf Conditions for Osaki Point this week:
The surf forecast for Osaki Point over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jul 09) at 9PM. The primary swell is predicted to be 3.0m and 15s 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 Osaki Point in the next 16 days are 5.0m 17s and forecast to arrive on Saturday (Jul 11) at 9PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Monday (Jul 13) at 6PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Thu 9th Jul) | 10ft (3.0m) 15s |
| Best Surf | 9AM (Fri 10th Jul) | 13ft (4.0m) 17s |
| Most Powerful | 9PM (Sat 11th Jul) | 16ft (5.0m) 17s |
Table - best surf conditions forecast for Osaki Point over the next 16 days.
Alright folks, it's Rusty here.
Let's have a look at what's cooking for Osaki Point over the next couple of weeks. The standout period is a proper gem from Friday morning through Sunday afternoon, but there's a bit of a wait for it.
We’ll kick off on Thursday afternoon, but it’s pretty average with light cross-onshore ESE winds and 10ft waves. It’s only really for the experienced crew. The water temp is a bit colder than normal at 77°, which is about 2° cooler than average for this time of year.
The real magic starts on Friday morning, July 10th. That’s when we get a solid 13ft groundswell from the south with an impressive 17-second period and glassy conditions. The wave energy is massive at 8041 (moderate to strong), but let’s be clear: this is for experts only. The swell is huge and long-period, meaning it'll wrap in and produce proper pits but will be too much for most. The afternoon stays clean with cross-shore winds, still at 13ft.
Saturday, July 11th, is the absolute standout. The swell bumps up to 16ft from the SSW, period still at 17 seconds, and we see glassy conditions in the morning with the combined energy jumping to a whopping 13707. The afternoon sees clean cross-offshore winds from the SSW. This is the best window of the entire forecast – huge, clean, and powerful. The only catch? It's going to be packed... expect crowds because when the combo is this good, everyone knows.
Sunday morning, July 12th holds the fun with 13ft SSW swell and clean offshore west-southwest breezes. Energy drops to 6868, so it’s still very strong but a tad more manageable. The afternoon drops to 10ft and stays clean.
After Sunday, the surf fades. Monday, July 13th is still clean and glassy, with swell dropping fast from 6ft to 6ft by the afternoon. The combined energy drops below 1000, getting weak.
From Tuesday, July 14th onward, it’s pretty much a write-off for good quality surf. The wind turns onshore or cross-onshore, the swell drops below 5ft, and the energy stays weak. This pattern of poor conditions looks set to carry through all the way to the 24th, with only small, sloppy waves on offer.
So, for the first week, Friday morning through Sunday is your window, with Saturday being the clear crown jewel. Everything after that, up to the end of the forecast, is a long flat spell of poor conditions. That's just how it goes sometimes in this area.
-Rusty
Short Range ForecastMostly dry. Warm (max 29°C on Sun morning, min 23°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 12mm), heaviest on Sun night. Warm (max 28°C on Sun afternoon, min 25°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thu 9 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SSE 15 | SSE 15 | S 17 | S 17 | S 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 14 | SSW 13 | SSW 12 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | E 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3797 | 4139 | 8041 | 8749 | 10495 | 13707 | 14117 | 13951 | 6868 | 3629 | 1935 | 1000 | 716 | 505 | 314 | 250 | 153 | 116 | 90 | 55 | 57 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | glassy | cross | glassy | glassy | cross-off | off | off | off | cross-off | glassy | glassy | cross-on | on | cross-on | glassy | cross-on | on | on | on |
High Tide | 00:37AM1.58m | 3:01PM1.43m | 1:42AM1.60m | 4:18PM1.55m | 2:48AM1.65m | 5:16PM1.67m | 3:50AM1.72m | 6:04PM1.76m | 4:47AM1.80m | 6:47PM1.80m | 5:39AM1.86m | 7:26PM1.82m | 6:29AM1.88m | ||||||||
Low Tide | 6:31PM0.98m | 7:55AM0.44m | 8:01PM1.08m | 9:04AM0.28m | 9:24PM1.10m | 10:04AM0.12m | 10:30PM1.07m | 10:59AM-0.00m | 11:23PM1.01m | 11:49AM-0.08m | 00:10AM0.94m | 12:35PM-0.10m | 00:53AM0.87m | ||||||||
 |  |  | | | | |  |  | |  | |  |  |  | | | | | | | |
 | — | — | 5:01 | — | — | 5:01 | — | — | 5:01 | — | — | 5:01 | — | — | 5:03 | — | — | 5:03 | — | — | 5:03 |
 | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:14 | — | — | 7:14 | — | — | 7:14 | — | — | 7:13 | — | 7:13 |
mm | — | — | — | — | — | — | — | — | — | — | 7 | — | 1 | 2 | 1 | 1 | — | — | 1 | 5 | 4 |
Temp °C | 26 | 24 | 27 | 27 | 25 | 27 | 28 | 25 | 29 | 28 | 26 | 26 | 28 | 26 | 26 | 27 | 26 | 27 | 27 | 25 | 26 |
Feels °C | 28 | 28 | 31 | 30 | 30 | 32 | 31 | 29 | 32 | 32 | 30 | 32 | 33 | 31 | 29 | 31 | 31 | 31 | 30 | 27 | 29 |
Swell 1 Height (m) Direction Period (s) | SSE 15 | SSE 15 | S 17 | S 17 | S 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 14 | SSW 13 | SSW 12 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | ESE 5 |
| kJ | 3797 | 4139 | 8041 | 8749 | 10495 | 13707 | 14117 | 13951 | 6868 | 3629 | 1935 | 1000 | 716 | 505 | 314 | 250 | 153 | 116 | 90 | 55 | 21 |
Swell 2 Height (m) Direction Period (s) | E 8 | S 20 | — | — | — | — | — | — | — | E 9 | E 9 | E 9 | E 9 | SE 10 | E 9 | E 9 | ESE 10 | ESE 8 | ESE 6 | E 9 | E 9 |
| kJ | 46 | 1360 | — | — | — | — | — | — | — | 15 | 15 | 15 | 14 | 16 | 24 | 26 | 31 | 23 | 12 | 43 | 57 |
Swell 3 Height (m) Direction Period (s) | — | E 8 | — | — | — | — | — | — | — | SE 15 | SE 11 | SE 10 | SE 10 | E 9 | SE 10 | SE 12 | ESE 4 | SE 10 | E 10 | ESE 5 | SSW 8 |
| kJ | — | 22 | — | — | — | — | — | — | — | 8 | 18 | 17 | 17 | 13 | 15 | 23 | 3 | 28 | 47 | 9 | 38 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 3 | ESE 3 | — | ESE 4 | — | — | E 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 | — | 5 | — | — | 34 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 49 | 22 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 22 | 49 | 0 | 16 | 22 | 22 | 22 |
Best forecast wave conditions in Shikoku | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
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Information about the Osaki Point Surf forecast
The above surf forecast table for Osaki Point provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Osaki Point can be found by selecting the local surf guide option on the grey menu. Our Osaki Point 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 (Osaki Point) 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 Osaki Point 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.
Osaki Point is 14 km (9 miles) from Muroto. If you plan a holiday in Shikoku, look for hotels and other accommodation in Muroto. Muroto has rooms for a wide range of budgets as well as car hire and transport links.
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