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Surf Forecasts:
Kaifu Rivermouth surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 am Saturday 02 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
21.0° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Kaifu Rivermouth today?
The current surf forecast for Kaifu Rivermouth at 5PM is: 0.4m 10s primary swell from a East-southeast direction and 0.4m 6s secondary swell from a Southwest direction (forecast issued at 08:00am May 02). An open ocean swell of 0.9m 5s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 May) | 2ft (0.6m) | 7s |
| Afternoon (02 May) | 1.5ft (0.4m) | 10s |
| Evening (02 May) | 1.5ft (0.4m) | 10s |
Table - waves today at Kaifu Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 36mm), heaviest during Sun night. Warm (max 23°C on Sat morning, min 12°C on Mon night). Winds increasing (calm on Sat afternoon, strong winds from the SW by Sun night). | ||||||||||||||||||||||||
Saturday 2 | Sunday 3 | Monday 4 | Tue 5 | |||||||||||||||||||||
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 | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 8 | SW 7 | SW 6 | ESE 10 | ESE 10 | ESE 10 | SE 10 | SE 10 | SE 10 | ESE 9 | SSW 5 | SSW 6 | SSW 6 | SSW 7 | SSW 8 | SSW 9 | SW 9 | SW 9 | SSW 8 | SW 8 | SW 8 | SSW 8 | SW 8 | SW 8 | |
71 | 39 | 59 | 41 | 40 | 39 | 48 | 47 | 44 | 34 | 82 | 179 | 361 | 972 | 1364 | 1020 | 1580 | 1407 | 412 | 463 | 255 | 145 | 59 | 45 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-on | cross-on | glassy | glassy | off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | off | |
High Tide | 5:31AM1.75m | 6:44PM1.73m | 5:55AM1.74m | 7:19PM1.69m | 6:20AM1.72m | 7:55PM1.63m | ||||||||||||||||||
Low Tide | 12:07PM0.17m | 00:18AM0.83m | 12:37PM0.15m | 00:47AM0.89m | 1:08PM0.18m | 1:15AM0.95m | ||||||||||||||||||
 |  | |  | |  | |  | | | |  | |  |  |  | | | | | | | | | |
 | 5:13 | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:11 |
 | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:46 | — | — | 6:46 |
— | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 16 | 15 | 2 | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 21 | 23 | 21 | 20 | 19 | 17 | 17 | 18 | 20 | 21 | 20 | 21 | 22 | 23 | 22 | 19 | 19 | 20 | 21 | 18 | 14 | 13 | 13 |
13 | 19 | 21 | 21 | 21 | 19 | 16 | 16 | 17 | 19 | 19 | 18 | 19 | 19 | 20 | 22 | 20 | 19 | 19 | 17 | 14 | 11 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 7 | ESE 10 | ESE 10 | ESE 10 | SW 6 | SE 10 | SE 10 | SE 10 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SSW 9 | SSW 9 | SE 10 | SE 10 | SW 8 | SSW 8 | SW 8 | SW 8 |
 kJ | 71 | 33 | 40 | 41 | 40 | 24 | 48 | 47 | 44 | 34 | 34 | 38 | 38 | 37 | 38 | 37 | 761 | 541 | 24 | 24 | 255 | 145 | 59 | 45 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 10 | SW 7 | SW 6 | SW 6 | ESE 10 | — | S 6 | — | E 9 | — | — | — | — | — | — | SE 10 | SE 10 | ESE 10 | — | SE 10 | SE 10 | SSE 7 | SSE 7 |
| kJ | 38 | 39 | 15 | 9 | 8 | 39 | — | 1 | — | 2 | — | — | — | — | — | — | 24 | 24 | 19 | — | 25 | 27 | 20 | 16 |
Swell 3 Height (m) Direction Period (s) | N 3 | N 3 | N 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 10 | SE 10 |
| kJ | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 43 | 28 |
Wind waves Height (m) Direction Period (s) | — | SW 7 | SW 6 | SW 6 | SW 5 | SW 5 | SW 6 | SW 5 | SSW 5 | SSW 4 | SSW 5 | SSW 6 | SSW 6 | SSW 7 | SSW 8 | SSW 9 | SW 9 | SW 9 | SSW 8 | SW 8 | WSW 8 | NNW 4 | NNW 4 | NE 5 |
| kJ | — | 109 | 59 | 43 | 49 | 74 | 24 | 13 | 15 | 26 | 82 | 179 | 361 | 972 | 1364 | 1020 | 1580 | 1407 | 412 | 463 | 688 | 10 | 8 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 26 | 26 | 2 | 2 | 2 | 2 | 2 | 7 | 10 | 63 | 508 | 508 | 243 | 243 | 23 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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