Surf Forecasts:
How big are the waves at Niyodo Rivermouth today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 7ft (2.1m), 9s period with E swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 8ft (2.4m), 10s period with ESE swell.
- Evening surf: Evening surf (18 Sep, local time) - 7ft (2.2m), 10s period with ESE swell.
The current surf forecast for Niyodo Rivermouth at 12AM is: 1.7m 8s primary swell from a East-southeast direction and 0.2m 12s secondary swell from a East direction, 0.1m 15s secondary swell from a East direction (forecast issued at 08:00pm September 17). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 7ft (2.1m) | 9s |
| Afternoon (18 Sep) | 8ft (2.4m) | 10s |
| Evening (18 Sep) | 7ft (2.2m) | 10s |
Table - waves today at Niyodo Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Fri afternoon. Warm (max 30°C on Sun morning, min 22°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | ||||||||||||||||
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 8 | ESE 8 | ESE 8 | E 9 | E 9 | E 9 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 10 | ESE 10 | E 10 | ESE 13 | ESE 15 | ESE 14 | ESE 14 |
Wave Graph  | ||||||||||||||||||
 kJ | 215 | 265 | 364 | 497 | 603 | 726 | 830 | 980 | 939 | 860 | 1137 | 1209 | 932 | 816 | 2268 | 6110 | 5393 | 4597 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | cross-off | off | glassy | on | cross-on | cross-on | glassy | off | off | off | glassy | cross-on | glassy | cross-off | off |
High Tide | 8:30PM1.59m | 10:36AM1.27m | 8:52PM1.49m | |||||||||||||||
Low Tide | 3:41AM0.56m | 2:51PM1.11m | 4:47AM0.66m | |||||||||||||||
 |  |  | |  | | |  | | | | | | | | | |  | |
 | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | 6:09 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — |
mm | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | 1 | 1 |
Temp °C | 26 | 24 | 23 | 23 | 22 | 25 | 26 | 26 | 25 | 24 | 23 | 23 | 22 | 26 | 28 | 27 | 26 | 24 |
Feels °C | 29 | 27 | 26 | 26 | 24 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 24 | 29 | 30 | 30 | 29 | 27 |
Swell 1 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | E 12 | E 9 | E 9 | S 10 | S 10 | S 10 | ESE 10 | E 10 | E 10 | ESE 10 | E 10 | ESE 13 | ESE 15 | ESE 14 | ESE 14 |
| kJ | 25 | 25 | 11 | 12 | 603 | 726 | 2 | 2 | 2 | 860 | 752 | 816 | 932 | 816 | 2268 | 6110 | 5393 | 4597 |
Swell 2 Height (m) Direction Period (s) | — | — | E 15 | — | — | S 11 | — | — | — | S 10 | S 10 | ESE 16 | ESE 14 | ESE 13 | ESE 16 | S 9 | — | S 8 |
| kJ | — | — | 4 | — | — | 2 | — | — | — | 8 | 7 | 25 | 166 | 679 | 1809 | 6 | — | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | S 9 | S 9 | ESE 18 | S 9 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 7 | 6 | 404 | 6 | — | — | — |
Wind waves Height (m) Direction Period (s) | E 9 | E 8 | ESE 8 | ESE 8 | — | — | E 9 | ESE 10 | ESE 10 | — | E 10 | E 10 | — | — | — | — | — | — |
| kJ | 215 | 265 | 364 | 497 | — | — | 830 | 980 | 939 | — | 1137 | 1209 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 29 | 29 | 0 | 0 | 0 | 0 | 0 | 330 | 9 | 9 | 9 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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