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Surf Forecasts:
Niyodo Rivermouth surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 pm Sunday 24 May 2026 JSTForecast update in hr min s Forecast update imminent
Niyodo Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Niyodo Rivermouth sea temperature is
22.1° C
(Which is slightly warmer than usual)How big are the waves at Niyodo Rivermouth today?
The current surf forecast for Niyodo Rivermouth at 6PM is: 2.1m 8s primary swell from a East-southeast direction and 0.3m 6s secondary swell from a South-southwest direction (forecast issued at 02:00pm May 24). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 May) | - | - |
| Afternoon (24 May) | 7ft (2.2m) | 8s |
| Evening (24 May) | 7.5ft (2.3m) | 8s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Wed morning. Warm (max 24°C on Tue morning, min 19°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 24 | Monday 25 | Tuesday 26 | Wed 27 | |||||||||||||||||||||
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 8 | ESE 8 | ESE 8 | E 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | |
686 | 629 | 574 | 720 | 471 | 566 | 524 | 472 | 461 | 338 | 280 | 280 | 240 | 202 | 171 | 167 | 172 | 181 | 183 | 178 | 183 | 183 | 183 | 206 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | on | glassy | glassy | glassy | glassy | glassy | on | cross-on | glassy | glassy | glassy | cross-off | glassy | glassy | on | cross-on | cross-on | cross | cross-off | glassy | off | glassy | |
High Tide | 1:37AM1.53m | 1:48PM1.38m | 2:21AM1.55m | 3:04PM1.44m | 2:57AM1.59m | |||||||||||||||||||
Low Tide | 6:45PM0.65m | 7:57AM0.84m | 7:54PM0.74m | 8:51AM0.68m | 8:51PM0.81m | |||||||||||||||||||
 | | |  | |  | | | | | | | | |  | | | | | | | |  | | |
 | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — |
 | — | — | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | 7:06 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 22 | 22 | 21 | 20 | 20 | 20 | 22 | 23 | 22 | 22 | 21 | 20 | 19 | 19 | 22 | 24 | 24 | 23 | 21 | 21 | 21 | 20 | 21 |
23 | 22 | 24 | 23 | 22 | 22 | 23 | 24 | 24 | 23 | 24 | 23 | 22 | 21 | 21 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 22 | 24 | |
Swell 1 Height (m) Direction Period (s) | S 8 | SSW 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 12 | E 12 | SE 15 | SE 15 | ESE 7 | ESE 7 | SE 15 | ESE 15 |
 kJ | 1 | 4 | 574 | 509 | 471 | 424 | 376 | 346 | 333 | 338 | 280 | 280 | 240 | 202 | 171 | 167 | 12 | 11 | 9 | 9 | 183 | 183 | 9 | 21 |
Swell 2 Height (m) Direction Period (s) | — | — | SSW 6 | SSW 8 | SSW 8 | SSW 7 | SSE 6 | SSW 7 | SSW 6 | E 16 | SW 6 | S 6 | SSE 7 | SSE 6 | S 6 | S 6 | SE 15 | SE 15 | SE 12 | ESE 15 | SE 15 | SE 15 | — | — |
| kJ | — | — | 8 | 12 | 19 | 18 | 8 | 4 | 4 | 5 | 1 | 1 | 9 | 8 | 3 | 3 | 9 | 9 | 6 | 22 | 9 | 9 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | SSW 6 | — | — | SSW 7 | — | E 16 | E 16 | E 16 | E 16 | E 16 | E 16 | E 12 | E 12 | SE 12 | SE 12 | S 12 | — | S 6 | S 6 | S 6 | SW 7 |
| kJ | — | — | — | 4 | — | — | 9 | — | 5 | 5 | 5 | 5 | 5 | 5 | 11 | 11 | 6 | 6 | 3 | — | 1 | 1 | 1 | 2 |
Wind waves Height (m) Direction Period (s) | ESE 8 | ESE 8 | — | E 8 | — | E 8 | E 8 | E 8 | E 8 | — | — | — | — | — | — | — | ESE 8 | ESE 8 | ESE 7 | ESE 7 | — | — | ESE 7 | ESE 8 |
| kJ | 686 | 629 | — | 720 | — | 566 | 524 | 472 | 461 | — | — | — | — | — | — | — | 172 | 181 | 183 | 178 | — | — | 183 | 206 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 82 | 29 | 29 | 0 | 0 | 0 | 0 | 0 | 58 | 58 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 330 | 29 | 9 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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