Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (07 Sep):
- Morning surf: Morning surf (07 Sep, local time) - 4.5ft (1.4m), 8s period with E swell.
- Afternoon surf: Afternoon surf (07 Sep, local time) - 6ft (1.8m), 9s period with SE swell.
- Evening surf: Evening surf (07 Sep, local time) - 5.5ft (1.7m), 9s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 3PM is: 1.8m 9s primary swell from a Southeast direction and 0.6m 11s secondary swell from a South direction (forecast issued at 08:00am September 07). An open ocean swell of 1.3m 8s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 3.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Sep) | 4.5ft (1.4m) | 8s |
| Afternoon (07 Sep) | 6ft (1.8m) | 9s |
| Evening (07 Sep) | 5.5ft (1.7m) | 9s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 107mm), heaviest during Tue night. Warm (max 28°C on Tue morning, min 24°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | ||||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | E 9 | E 8 | ESE 9 | SE 9 | SE 9 | ESE 9 | SE 9 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | SSE 9 | SSE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 395 | 266 | 535 | 493 | 439 | 421 | 363 | 305 | 305 | 287 | 282 | 334 | 392 | 441 | 800 | 971 | 842 | 643 | 450 | 363 | 264 | 233 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | glassy | glassy | glassy | glassy | glassy | off | off | glassy | cross-on | glassy | glassy | glassy | cross-off | off | cross-off | off | cross-off | off | off | off |
High Tide | 4:23PM1.60m | 3:00AM1.57m | 4:57PM1.71m | 4:03AM1.71m | 5:26PM1.79m | |||||||||||||||||
Low Tide | 9:02AM0.35m | 9:49PM1.08m | 10:00AM0.23m | 10:32PM0.91m | 10:46AM0.15m | |||||||||||||||||
 | |  | | |  |  | | | |  |  | |  | |  |  | | | | | | |
 | 5:41 | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — |
 | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 2 | 2 | 31 | 45 | 22 | 2 | — | — | — |
Temp °C | 25 | 25 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 28 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 26 | 28 | 26 | 25 |
Feels °C | 28 | 28 | 31 | 31 | 30 | 30 | 28 | 28 | 28 | 32 | 31 | 32 | 33 | 31 | 31 | 28 | 29 | 29 | 29 | 31 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 8 | ESE 9 | SE 9 | SE 9 | ESE 9 | SE 9 | ESE 8 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | SSE 9 | SSE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 |
| kJ | 395 | 266 | 535 | 493 | 439 | 421 | 363 | 223 | 305 | 287 | 282 | 334 | 392 | 441 | 800 | 971 | 842 | 643 | 450 | 363 | 264 | 233 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 9 | S 10 | S 11 | S 10 | S 10 | S 10 | S 10 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 10 | ESE 10 | E 19 | E 19 | E 18 | E 18 | E 18 | E 18 | S 8 | S 8 |
| kJ | 349 | 212 | 52 | 79 | 78 | 98 | 250 | 305 | 192 | 183 | 179 | 170 | 39 | 39 | 7 | 7 | 6 | 6 | 6 | 6 | 51 | 35 |
Swell 3 Height (m) Direction Period (s) | SW 10 | SE 10 | SSW 10 | SSW 10 | SSW 11 | SSW 11 | SSW 11 | E 8 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | — | — | — | E 18 | E 18 | — | W 6 | E 18 | E 17 |
| kJ | 4 | 139 | 9 | 19 | 69 | 91 | 101 | 12 | 28 | 42 | 41 | 40 | 39 | — | — | — | 6 | 6 | — | 1 | 6 | 23 |
Wind waves Height (m) Direction Period (s) | ENE 9 | — | ENE 8 | ENE 8 | ENE 8 | ENE 5 | ENE 5 | ENE 5 | ENE 4 | ENE 5 | — | — | ESE 8 | ESE 8 | NE 4 | NE 4 | — | — | — | SE 8 | ENE 5 | ENE 6 |
| kJ | 822 | — | 344 | 223 | 123 | 60 | 46 | 25 | 23 | 73 | — | — | 163 | 187 | 16 | 14 | — | — | — | 284 | 14 | 49 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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