Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (30 Sep):
- Morning surf: Morning surf (30 Sep, local time) - 3.5ft (1.1m), 9s period with SSE swell.
- Afternoon surf: Afternoon surf (30 Sep, local time) - 3.5ft (1.1m), 9s period with SSE swell.
- Evening surf: Evening surf (30 Sep, local time) - 3ft (0.9m), 8s period with SSE swell.
The current surf forecast for Niyodo Rivermouth at 5AM is: 1.3m 10s primary swell from a South direction and 0.9m 7s secondary swell from a East direction (forecast issued at 02:00am September 30). An open ocean swell of 1.4m 7s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | 3.5ft (1.1m) | 9s |
| Afternoon (30 Sep) | 3.5ft (1.1m) | 9s |
| Evening (30 Sep) | 3ft (0.9m) | 8s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Wed morning, min 15°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 30 | Thursday 1 | Friday 2 | ||||||||||||||||||||||
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) | S 11 | S 10 | S 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 7 | E 8 | SE 7 | SE 8 | E 8 | ESE 8 | SE 8 | E 6 | SE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 577 | 384 | 267 | 216 | 188 | 194 | 157 | 117 | 93 | 111 | 98 | 72 | 58 | 66 | 49 | 34 | 31 | 23 | 23 | 22 | 26 | 20 | 28 | 16 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | off | cross-off | on | on | glassy | glassy | glassy | off | off | glassy | cross-on | glassy | glassy | off | off | off | off | off | cross-off | glassy | off | off |
High Tide | 8:01AM1.78m | 7:30PM1.82m | 8:50AM1.64m | 8:01PM1.74m | 9:53AM1.49m | 8:37PM1.64m | ||||||||||||||||||
Low Tide | 1:31AM0.15m | 1:41PM0.73m | 2:12AM0.19m | 2:15PM0.89m | 3:00AM0.27m | 2:55PM1.05m | ||||||||||||||||||
 |  |  | | | |  | | | |  | | | | | | | | | | | | | | |
 | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:49 | — | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 20 | 23 | 26 | 25 | 23 | 22 | 22 | 21 | 21 | 24 | 26 | 26 | 24 | 22 | 21 | 20 | 19 | 22 | 26 | 26 | 21 | 18 |
Feels °C | 23 | 23 | 21 | 24 | 27 | 27 | 25 | 25 | 25 | 23 | 23 | 26 | 27 | 27 | 26 | 23 | 22 | 20 | 18 | 21 | 24 | 26 | 20 | 16 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 10 | S 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 7 | E 8 | SE 7 | SE 8 | E 8 | ESE 8 | E 6 | E 6 | E 6 |
| kJ | 577 | 384 | 267 | 216 | 188 | 194 | 157 | 117 | 90 | 111 | 98 | 72 | 58 | 66 | 49 | 34 | 31 | 23 | 23 | 22 | 26 | 20 | 28 | 20 |
Swell 2 Height (m) Direction Period (s) | E 6 | E 7 | E 7 | E 7 | E 6 | E 7 | E 7 | E 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | SE 8 | E 7 | SE 7 | E 8 | E 8 | SE 8 | ENE 6 | SE 8 | SE 8 | SE 8 |
| kJ | 36 | 77 | 88 | 65 | 30 | 32 | 63 | 68 | 93 | 71 | 55 | 57 | 55 | 34 | 45 | 17 | 16 | 12 | 22 | 21 | 7 | 20 | 16 | 16 |
Swell 3 Height (m) Direction Period (s) | SE 9 | E 10 | — | E 10 | E 10 | E 10 | — | — | S 6 | SW 6 | SE 12 | SE 9 | S 7 | SE 11 | SE 11 | E 9 | SE 11 | E 6 | SE 11 | SE 11 | — | E 8 | ESE 10 | ESE 9 |
| kJ | 3 | 2 | — | 2 | 2 | 2 | — | — | 1 | 2 | 5 | 3 | 1 | 5 | 5 | 14 | 5 | 7 | 5 | 5 | — | 5 | 9 | 8 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 7 | — | — | ENE 6 | — | — | — | — | — | — | — | — | — | — | — | — | NNW 2 | NNW 2 | NNW 3 | NE 6 | — | — | — |
| kJ | 108 | 180 | — | — | 79 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 80 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 64 | 64 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 653 | 432 | 432 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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