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 5AM is: 2.5m 9s primary swell from a East direction and 1.7m 9s secondary swell from a East direction, 1.4m 10s secondary swell from a South-southeast direction (forecast issued at 02:00am September 07). The wind direction is predicted to be offshore and the swell rating is 4.
| 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 | 9 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 51 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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