Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (12 Jul):
- Morning surf: Morning surf (12 Jul, local time) - 11ft (3.5m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (12 Jul, local time) - 10ft (3.0m), 14s period with SSW swell.
- Evening surf: Evening surf (12 Jul, local time) - 8ft (2.4m), 13s period with SSW swell.
The current surf forecast for Niyodo Rivermouth at 6AM is: 4.0m 16s primary swell from a South-southwest direction and 0.3m 12s secondary swell from a Southeast direction (forecast issued at 02:00am July 12). The wind direction is predicted to be glassy and the swell rating is 11.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Jul) | 11ft (3.5m) | 16s |
| Afternoon (12 Jul) | 10ft (3.0m) | 14s |
| Evening (12 Jul) | 8ft (2.4m) | 13s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 31°C on Tue morning, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | ||||||||||||||||||||||
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) | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 9 | SSW 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 10556 | 9187 | 7386 | 5993 | 4355 | 3306 | 2390 | 1886 | 1543 | 1231 | 1072 | 921 | 737 | 645 | 561 | 485 | 392 | 370 | 300 | 250 | 245 | 197 | 185 | 146 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | on | on | glassy | glassy | glassy | glassy | glassy | glassy | on | glassy | glassy | glassy | off | off | off | glassy | on | cross-on | glassy | glassy |
High Tide | 2:54AM1.66m | 5:16PM1.70m | 3:56AM1.73m | 6:05PM1.79m | 4:52AM1.81m | 6:48PM1.85m | ||||||||||||||||||
Low Tide | 9:29PM1.09m | 10:07AM0.13m | 10:35PM1.06m | 11:01AM-0.00m | 11:28PM1.00m | 11:51AM-0.09m | ||||||||||||||||||
 |  |  | | |  | | | | |  | | | | | | | | | | | | | | |
 | — | 5:03 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 24 | 24 | 27 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 28 | 30 | 30 | 29 | 28 | 28 | 27 | 27 | 30 | 31 | 30 | 29 | 28 |
Feels °C | 30 | 28 | 28 | 31 | 32 | 33 | 32 | 31 | 31 | 31 | 31 | 33 | 34 | 35 | 35 | 33 | 32 | 30 | 31 | 34 | 35 | 34 | 35 | 33 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 9 | SSW 9 |
| kJ | 10556 | 9187 | 7386 | 5993 | 4355 | 3306 | 2390 | 1886 | 1543 | 1231 | 1072 | 921 | 737 | 645 | 561 | 485 | 392 | 370 | 300 | 250 | 245 | 197 | 185 | 146 |
Swell 2 Height (m) Direction Period (s) | — | SE 12 | SE 12 | — | — | — | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | E 9 | SE 12 | E 9 | SE 12 | SE 12 | SE 12 | SE 12 |
| kJ | — | 23 | 23 | — | — | — | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 16 | 14 | 22 | 14 | 22 | 22 | 22 | 22 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | E 9 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SE 10 | E 9 | SE 10 | E 9 | E 9 | E 9 | E 9 |
| kJ | — | — | — | — | — | — | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 15 | 15 | 15 | 15 | 15 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | WSW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 51 | 29 | 51 | 51 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 85 | 61 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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