Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (28 Sep):
- Morning surf: Morning surf (28 Sep, local time) - 3.5ft (1.1m), 6s period with S swell.
- Afternoon surf: Afternoon surf (28 Sep, local time) - 3.5ft (1.0m), 14s period with SSW swell.
- Evening surf: Evening surf (28 Sep, local time) - 6.5ft (2.0m), 13s period with SSW swell.
The current surf forecast for Niyodo Rivermouth at 3PM is: 1.0m 14s primary swell from a South-southwest direction and 1.0m 6s secondary swell from a South-southeast direction, 0.8m 7s secondary swell from a South-southwest direction (forecast issued at 08:00am September 28). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Sep) | 3.5ft (1.1m) | 6s |
| Afternoon (28 Sep) | 3.5ft (1.0m) | 14s |
| Evening (28 Sep) | 6.5ft (2.0m) | 13s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 29mm), heaviest during Tue morning. Warm (max 25°C on Mon morning, min 21°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||
Monday 28 | Tuesday 29 | Wednesday 30 | ||||||||||||||||||||
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 5 | S 6 | S 6 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 69 | 74 | 153 | 407 | 850 | 1377 | 1467 | 1387 | 1216 | 1051 | 928 | 640 | 545 | 441 | 498 | 496 | 461 | 392 | 288 | 235 | 227 | 242 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | glassy | cross-off | off | off | glassy | glassy | glassy | glassy | glassy | on | on | glassy | glassy |
High Tide | 6:38AM1.91m | 6:36PM1.88m | 7:18AM1.87m | 7:02PM1.87m | 8:01AM1.78m | 7:30PM1.82m | ||||||||||||||||
Low Tide | 12:37PM0.45m | 00:55AM0.18m | 1:09PM0.57m | 1:31AM0.15m | 1:41PM0.73m | |||||||||||||||||
 |  | | |  |  |  | |  |  | | |  | | | |  |  | | |  | | |
 | 5:56 | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | 1 | 2 | 2 | 2 | 1 | 3 | 2 | 2 | 3 | 6 | 4 | 2 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 23 | 23 | 23 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 23 | 25 | 25 | 24 | 23 |
Feels °C | 28 | 30 | 29 | 30 | 30 | 29 | 28 | 27 | 28 | 27 | 23 | 23 | 22 | 23 | 23 | 23 | 23 | 26 | 27 | 27 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SSE 5 | SSE 6 | SSE 6 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 |
| kJ | 42 | 47 | 58 | 407 | 850 | 1377 | 1467 | 1387 | 1216 | 1051 | 928 | 640 | 545 | 441 | 498 | 496 | 461 | 392 | 288 | 235 | 227 | 242 |
Swell 2 Height (m) Direction Period (s) | E 9 | SSW 13 | SSW 12 | SSE 6 | SSE 7 | E 9 | SE 13 | SE 13 | ESE 12 | SSE 6 | SE 12 | E 6 | SE 9 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | — | E 7 |
| kJ | 15 | 17 | 58 | 78 | 96 | 6 | 7 | 6 | 15 | 26 | 6 | 6 | 13 | 74 | 65 | 74 | 77 | 57 | 57 | 72 | — | 131 |
Swell 3 Height (m) Direction Period (s) | S 7 | E 9 | SW 15 | E 9 | E 9 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | — | SE 9 | SE 12 | SSE 9 | SE 9 | SSE 9 | E 10 | E 10 | — | E 10 | — | — |
| kJ | 9 | 15 | 57 | 7 | 6 | 7 | 7 | 6 | 6 | 6 | — | 13 | 6 | 8 | 3 | 8 | 2 | 2 | — | 2 | — | — |
Wind waves Height (m) Direction Period (s) | S 5 | S 6 | S 6 | SSW 7 | — | — | — | E 4 | E 4 | E 4 | ENE 5 | ENE 5 | ENE 6 | NE 6 | E 6 | E 7 | E 7 | E 6 | — | — | E 7 | E 7 |
| kJ | 69 | 74 | 153 | 51 | — | — | — | 9 | 28 | 26 | 22 | 17 | 50 | 52 | 81 | 152 | 128 | 113 | — | — | 97 | 200 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 85 | 9 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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