Surf Forecasts:
Kaifu Rivermouth surf forecast from 8 Jun 2026:
- Best quality surf: Tuesday 16 Jun, 12AM (local time) - 8ft (2.5m), 9s period, E swell with cross-offshore winds.
- Most powerful swell: Tuesday 16 Jun, 12AM (local time) - 8ft (2.5m), 9s period, E swell with 965 kJ wave energy.
- Next surfable swell (1★+): Tuesday 9 Jun, 12PM (local time) - 2.5ft (0.8m), 8s period with S swell.
Best Forecast Surf Conditions for Kaifu Rivermouth this week:
The surf forecast for Kaifu Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jun 09) at 12PM. The primary swell is predicted to be 0.8m and 8s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Kaifu Rivermouth in the next 16 days are 2.5m 9s and forecast to arrive on Tuesday (Jun 16) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Tuesday (Jun 09) at 9AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Tue 9th Jun) | 2.5ft (0.8m) 8s |
| Best Surf | 12AM (Tue 16th Jun) | 8ft (2.5m) 9s |
| Most Powerful | 12AM (Tue 16th Jun) | 8ft (2.5m) 9s |
Table - best surf conditions forecast for Kaifu Rivermouth over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Thu afternoon. Warm (max 24°C on Wed morning, min 19°C on Tue morning). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 20mm), heaviest during Sun morning. Warm (max 25°C on Fri morning, min 19°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||
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) | S 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | SSE 7 | S 7 | SE 6 | SE 5 | ESE 6 | ESE 7 | ESE 8 | E 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 43 | 101 | 107 | 112 | 87 | 158 | 140 | 140 | 104 | 78 | 80 | 54 | 24 | 15 | 22 | 38 | 38 | 139 | 376 | 730 | 965 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | glassy | glassy | glassy | off | glassy | cross-on | cross-off | cross-on | glassy | off | cross-on | on | glassy | cross-on | cross-on | cross | cross | cross-on | cross-off |
High Tide | 12:11PM1.33m | 00:57AM1.57m | 1:45PM1.38m | 1:44AM1.61m | 3:05PM1.48m | 2:30AM1.66m | 4:12PM1.60m | 3:17AM1.72m | 5:10PM1.71m | 4:04AM1.78m | 6:03PM1.78m | 4:51AM1.83m | 6:53PM1.81m | ||||||||
Low Tide | 6:17PM0.72m | 7:34AM0.69m | 7:27PM0.81m | 8:32AM0.49m | 8:35PM0.88m | 9:24AM0.29m | 9:37PM0.93m | 10:15AM0.11m | 10:33PM0.96m | 11:04AM-0.03m | 11:24PM0.98m | 11:53AM-0.11m | 00:12AM0.99m | ||||||||
 | |  |  | |  | |  | | |  | | | |  |  | | | |  | | |
 | 4:52 | — | — | 4:50 | — | — | 4:50 | — | — | 4:50 | — | — | 4:50 | — | — | 4:50 | — | — | 4:50 | — | — |
 | — | 7:10 | — | — | 7:10 | — | — | 7:12 | — | — | 7:12 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — |
mm | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | 7 | 8 | 4 | — | 2 | — |
Temp °C | 21 | 21 | 20 | 24 | 24 | 20 | 24 | 24 | 20 | 25 | 24 | 21 | 24 | 24 | 21 | 21 | 21 | 20 | 23 | 23 | 21 |
Feels °C | 23 | 23 | 22 | 23 | 24 | 21 | 23 | 24 | 21 | 24 | 25 | 22 | 25 | 24 | 24 | 22 | 21 | 21 | 24 | 25 | 23 |
Swell 1 Height (m) Direction Period (s) | S 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | SSE 7 | S 7 | SSE 6 | SE 5 | SE 9 | SE 15 | ESE 8 | ESE 9 |
| kJ | 43 | 101 | 107 | 112 | 87 | 158 | 140 | 140 | 104 | 78 | 80 | 54 | 24 | 15 | 22 | 23 | 38 | 3 | 8 | 402 | 575 |
Swell 2 Height (m) Direction Period (s) | NE 4 | E 8 | E 8 | SE 9 | SE 9 | SE 8 | E 8 | E 15 | E 8 | SE 9 | SE 9 | E 8 | SSW 8 | SSW 7 | SSE 3 | ESE 9 | ESE 10 | E 10 | SE 12 | SSW 10 | SSW 8 |
| kJ | 2 | 1 | 1 | 3 | 3 | 3 | 1 | 4 | 1 | 3 | 3 | 5 | 11 | 5 | 1 | 9 | 9 | 2 | 6 | 9 | 19 |
Swell 3 Height (m) Direction Period (s) | E 8 | SE 9 | SE 9 | — | E 9 | E 8 | — | E 15 | E 15 | E 7 | E 8 | SE 9 | SE 9 | ESE 10 | ESE 10 | E 7 | SE 13 | E 15 | — | SE 15 | — |
| kJ | 5 | 3 | 3 | — | 2 | 1 | — | 4 | 4 | 1 | 1 | 3 | 3 | 9 | 9 | 1 | 6 | 4 | — | 8 | — |
Wind waves Height (m) Direction Period (s) | N 4 | — | SW 3 | N 3 | NE 4 | WSW 3 | — | — | WSW 2 | — | — | — | — | — | — | SE 6 | — | ESE 6 | ESE 7 | ESE 8 | E 9 |
| kJ | 10 | — | 2 | 3 | 2 | 1 | — | — | 1 | — | — | — | — | — | — | 38 | — | 139 | 376 | 730 | 965 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 25 | 0 | 2 | 40 | 23 | 524 | 40 | 290 | 2 | 2 | 25 | 0 |
Best forecast wave conditions in Shikoku | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Kaifu Rivermouth surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Kaifu Rivermouth Surf forecast
The above surf forecast table for Kaifu Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kaifu Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Kaifu Rivermouth 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 (Kaifu Rivermouth) 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 Kaifu Rivermouth 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.
Kaifu Rivermouth is 40 km (25 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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