Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 4.5ft (1.4m), 9s period with ESE swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 4.5ft (1.3m), 9s period with ESE swell.
- Evening surf: Evening surf (15 Sep, local time) - 4.5ft (1.3m), 9s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 3PM is: 1.3m 9s primary swell from a East-southeast direction and 0.4m 14s secondary swell from a East direction (forecast issued at 08:00am September 15). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 4.5ft (1.4m) | 9s |
| Afternoon (15 Sep) | 4.5ft (1.3m) | 9s |
| Evening (15 Sep) | 4.5ft (1.3m) | 9s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 36mm), heaviest during Wed morning. Warm (max 27°C on Tue morning, min 19°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||||||||
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) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 5 | E 7 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 295 | 327 | 288 | 261 | 249 | 244 | 211 | 211 | 165 | 165 | 151 | 147 | 144 | 96 | 132 | 90 | 88 | 88 | 88 | 154 | 100 | 240 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | on | glassy | glassy | glassy | glassy | off | off | off | glassy | glassy | off | off | off | off | off | glassy | on | on | glassy | off |
High Tide | 8:10AM1.69m | 7:49PM1.75m | 8:48AM1.55m | 8:09PM1.68m | 9:32AM1.40m | 8:30PM1.59m | ||||||||||||||||
Low Tide | 1:53PM0.70m | 2:22AM0.36m | 2:16PM0.85m | 2:58AM0.44m | 2:36PM0.99m | |||||||||||||||||
 |  |  | | |  | |  |  |  | | | |  | | |  | | | | | | |
 | 5:47 | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:10 | — | — | — | — | — | — | — | 6:09 | — |
mm | — | — | 1 | 2 | 3 | 4 | 2 | — | 2 | 7 | 11 | 3 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 26 | 27 | 27 | 26 | 25 | 24 | 24 | 23 | 23 | 23 | 25 | 23 | 22 | 21 | 20 | 19 | 24 | 26 | 26 | 25 | 23 |
Feels °C | 28 | 30 | 31 | 31 | 31 | 29 | 28 | 27 | 26 | 26 | 27 | 29 | 26 | 24 | 22 | 21 | 19 | 25 | 27 | 28 | 27 | 25 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 12 | E 12 | E 12 |
| kJ | 295 | 327 | 288 | 261 | 249 | 244 | 211 | 211 | 165 | 165 | 151 | 147 | 144 | 96 | 132 | 90 | 88 | 88 | 88 | 25 | 25 | 25 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 14 | E 14 | E 14 | E 13 | E 13 | E 13 | E 14 | E 14 | E 14 | E 12 | E 13 | E 13 | E 5 | E 13 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 16 | SE 9 | — |
| kJ | 47 | 37 | 35 | 57 | 56 | 54 | 54 | 57 | 63 | 63 | 49 | 51 | 52 | 15 | 53 | 10 | 14 | 14 | 12 | 5 | 3 | — |
Swell 3 Height (m) Direction Period (s) | E 15 | E 12 | E 12 | S 6 | S 6 | S 6 | S 6 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | E 13 | S 7 | E 13 | E 13 | E 12 | E 12 | — | — | — |
| kJ | 4 | 11 | 11 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 52 | 1 | 30 | 29 | 26 | 25 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | E 3 | ENE 4 | ENE 5 | ENE 4 | ENE 5 | ENE 6 | NE 6 | — | NE 6 | NE 6 | ENE 5 | E 9 | E 5 | E 7 |
| kJ | — | — | — | — | — | — | — | — | 3 | 31 | 42 | 6 | 21 | 74 | 80 | — | 75 | 80 | 25 | 154 | 100 | 240 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 330 | 29 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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