Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (07 Sep):
- Morning surf: Morning surf (07 Sep, local time) - 4.5ft (1.3m), 8s period with E swell.
- Afternoon surf: Afternoon surf (07 Sep, local time) - 5.5ft (1.7m), 9s period with ESE swell.
- Evening surf: Evening surf (07 Sep, local time) - 5.5ft (1.7m), 8s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 9AM is: 1.3m 8s primary swell from a East direction and 1.1m 9s secondary swell from a South-southeast direction (forecast issued at 02:00am September 07). An open ocean swell of 1.8m 9s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Sep) | 4.5ft (1.3m) | 8s |
| Afternoon (07 Sep) | 5.5ft (1.7m) | 9s |
| Evening (07 Sep) | 5.5ft (1.7m) | 8s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 93mm), heaviest during Tue night. Warm (max 29°C on Wed afternoon, min 23°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | ||||||||||||||||||||||
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 | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 8 | ESE 9 | ESE 9 | SE 9 | ESE 8 | SE 8 | S 10 | S 9 | S 9 | S 9 | S 10 | S 10 | SSE 10 | SE 10 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 537 | 973 | 390 | 230 | 535 | 465 | 367 | 433 | 354 | 268 | 249 | 287 | 288 | 363 | 541 | 800 | 1308 | 989 | 673 | 479 | 363 | 289 | 244 | 169 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | glassy | glassy | glassy | glassy | off | glassy | off | glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off | off | cross-off | off | off | off | off |
High Tide | 1:26AM1.46m | 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 | 2 | 2 | 19 | 31 | 28 | 6 | 3 | — | — | — |
Temp °C | 25 | 25 | 25 | 26 | 28 | 27 | 27 | 26 | 26 | 25 | 25 | 28 | 27 | 28 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 29 | 26 | 25 |
Feels °C | 29 | 28 | 28 | 30 | 32 | 31 | 32 | 30 | 30 | 28 | 28 | 33 | 32 | 33 | 32 | 30 | 29 | 29 | 29 | 30 | 30 | 31 | 29 | 27 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 8 | ESE 9 | ESE 9 | SE 9 | ESE 8 | SE 8 | ESE 8 | S 9 | S 9 | S 9 | S 10 | S 10 | SSE 10 | SE 10 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
| kJ | 537 | 435 | 390 | 230 | 535 | 465 | 367 | 433 | 354 | 254 | 249 | 287 | 288 | 363 | 541 | 800 | 1308 | 989 | 673 | 479 | 363 | 289 | 244 | 169 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SSE 10 | SSE 10 | SSE 9 | S 10 | S 11 | S 10 | SSW 11 | S 10 | S 10 | ESE 8 | ESE 8 | ESE 8 | ESE 10 | ESE 10 | E 10 | E 19 | E 19 | E 18 | E 18 | E 18 | S 8 | S 8 | E 5 |
| kJ | 356 | 448 | 349 | 212 | 52 | 79 | 106 | 121 | 250 | 268 | 161 | 183 | 174 | 58 | 67 | 377 | 7 | 7 | 6 | 6 | 6 | 68 | 51 | 28 |
Swell 3 Height (m) Direction Period (s) | SSW 9 | — | SW 10 | SE 10 | SSW 10 | SSW 10 | SSW 11 | S 10 | SSW 10 | E 8 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | — | — | E 19 | E 18 | E 18 | W 6 | E 18 | E 18 | S 8 |
| kJ | 15 | — | 4 | 139 | 9 | 19 | 47 | 98 | 114 | 12 | 68 | 43 | 41 | 57 | 67 | — | — | 7 | 6 | 6 | 1 | 6 | 6 | 35 |
Wind waves Height (m) Direction Period (s) | E 9 | E 9 | — | ENE 9 | ENE 8 | ENE 8 | E 8 | ENE 6 | ENE 5 | ENE 5 | ENE 5 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | NE 4 | NNE 4 | N 4 | — | — | N 4 | ENE 4 | ENE 5 | ENE 6 |
| kJ | 1064 | 973 | — | 482 | 344 | 277 | 84 | 65 | 28 | 84 | 78 | 192 | 212 | 186 | 223 | 39 | 28 | 22 | — | — | 1 | 17 | 36 | 62 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 224 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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