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Surf Forecasts:
Kaifu Rivermouth surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 pm Saturday 16 May 2026 JSTForecast update in hr min s Forecast update imminent
Kaifu Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kaifu Rivermouth sea temperature is
20.8° C
(Which is normal for this time of year)How big are the waves at Kaifu Rivermouth today?
The current surf forecast for Kaifu Rivermouth at 10PM is: 0.8m 9s primary swell from a East-southeast direction and 0.3m 11s secondary swell from a Southeast direction (forecast issued at 02:00pm May 16). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | - | - |
| Afternoon (16 May) | 2.5ft (0.8m) | 9s |
| Evening (16 May) | 2.5ft (0.8m) | 9s |
Table - waves today at Kaifu Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Sun afternoon, min 18°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | SE 10 | SE 10 | |
96 | 99 | 99 | 96 | 96 | 96 | 80 | 75 | 75 | 80 | 88 | 67 | 68 | 70 | 71 | 71 | 68 | 67 | 68 | 67 | 86 | 90 | 104 | 106 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | cross-off | off | off | glassy | glassy | cross-on | glassy | cross | cross-off | glassy | off | cross-off | glassy | cross-on | cross-on | cross-on | glassy | glassy | glassy | off | glassy | |
High Tide | 6:02PM1.84m | 5:13AM1.86m | 6:52PM1.85m | 5:51AM1.87m | 7:42PM1.81m | 6:32AM1.85m | ||||||||||||||||||
Low Tide | 11:37PM0.81m | 12:01PM-0.09m | 00:19AM0.89m | 12:46PM-0.12m | 1:03AM0.96m | |||||||||||||||||||
 | | |  | | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 4:58 | — | — |
 | — | — | 6:55 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | 6:58 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 22 | 21 | 19 | 18 | 18 | 18 | 22 | 24 | 25 | 23 | 21 | 20 | 19 | 19 | 23 | 25 | 25 | 23 | 20 | 19 | 19 | 19 | 23 |
21 | 22 | 22 | 20 | 18 | 18 | 18 | 22 | 24 | 26 | 24 | 22 | 21 | 19 | 19 | 23 | 25 | 24 | 24 | 22 | 20 | 20 | 20 | 24 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | SE 10 | SE 10 |
 kJ | 96 | 99 | 99 | 96 | 96 | 96 | 80 | 75 | 75 | 80 | 88 | 67 | 68 | 70 | 71 | 71 | 68 | 67 | 68 | 67 | 86 | 90 | 104 | 106 |
Swell 2 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | ESE 12 | SE 10 | SE 12 | SE 11 | SE 11 | SE 10 | SE 11 | SE 11 |
| kJ | 30 | 29 | 19 | 19 | 17 | 17 | 16 | 16 | 16 | 16 | 19 | 23 | 22 | 23 | 23 | 23 | 14 | 4 | 21 | 33 | 19 | 27 | 30 | 40 |
Swell 3 Height (m) Direction Period (s) | SE 15 | SE 15 | SE 15 | S 6 | SE 14 | SE 14 | ESE 14 | ESE 14 | SE 14 | — | — | — | — | SE 10 | SE 10 | SE 10 | SE 10 | SE 12 | ESE 10 | — | — | — | — | — |
| kJ | 9 | 9 | 9 | 1 | 8 | 8 | 20 | 19 | 8 | — | — | — | — | 4 | 4 | 4 | 4 | 6 | 18 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NNE 2 | NNE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 23 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 6 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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