Surf Forecasts:
How big are the waves at Uchiumi today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 1.5ft (0.5m), 11s period with E swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 1.5ft (0.5m), 11s period with E swell.
- Evening surf: Evening surf (31 Aug, local time) - 2ft (0.6m), 7s period with SSE swell.
The current surf forecast for Uchiumi at 11AM is: 0.5m 11s primary swell from a East direction and 0.6m 8s secondary swell from a South direction, 0.5m 6s secondary swell from a South direction (forecast issued at 08:00am August 31). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 1.5ft (0.5m) | 11s |
| Afternoon (31 Aug) | 1.5ft (0.5m) | 11s |
| Evening (31 Aug) | 2ft (0.6m) | 7s |
Table - waves today at Uchiumi. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 39mm), heaviest during Wed afternoon. Warm (max 29°C on Mon morning, min 26°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||||
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) | E 11 | E 11 | E 10 | E 11 | E 11 | SSE 7 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 |
Wave Graph | ||||||||||||||||||||||
58 | 57 | 54 | 58 | 37 | 43 | 58 | 105 | 133 | 193 | 164 | 215 | 338 | 314 | 505 | 528 | 528 | 516 | 375 | 470 | 358 | 349 | |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | on | cross-on | cross-on | on | on | on | on | on |
High Tide | 7:56AM2.15m | 8:04PM2.14m | 8:37AM2.03m | 8:29PM2.09m | 9:23AM1.88m | 8:57PM2.02m | ||||||||||||||||
Low Tide | 1:59PM0.63m | 2:22AM0.49m | 2:29PM0.81m | 3:01AM0.51m | 2:59PM1.00m | |||||||||||||||||
5:48 | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | |
— | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:37 | — | |
mm | — | — | — | — | — | — | — | 1 | 1 | 1 | 2 | 3 | 1 | 3 | 1 | 2 | 2 | 3 | 3 | 5 | 5 | 2 |
Temp °C | 26 | 28 | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 29 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 30 | 32 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 32 | 31 | 30 | 31 | 30 | 30 | 31 | 30 | 31 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | SSE 8 | SSE 7 | SSE 7 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 |
36 | 48 | 48 | 51 | 26 | 43 | 58 | 105 | 133 | 136 | 164 | 215 | 247 | 314 | 367 | 393 | 393 | 393 | 375 | 367 | 358 | 349 | |
Swell 2 Height (m) Direction Period (s) | SSE 6 | E 11 | E 10 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 14 | E 14 | E 14 | E 13 | E 13 | E 12 | E 12 | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 |
17 | 57 | 54 | 58 | 37 | 33 | 33 | 35 | 35 | 61 | 91 | 129 | 123 | 119 | 148 | 144 | 139 | 134 | 125 | 119 | 119 | 119 | |
Swell 3 Height (m) Direction Period (s) | E 11 | SE 6 | SE 6 | SE 10 | S 9 | S 8 | E 14 | E 15 | E 14 | E 11 | SE 9 | SE 9 | SE 9 | E 16 | — | — | — | — | SW 10 | E 18 | E 18 | E 16 |
58 | 10 | 10 | 4 | 13 | 5 | 16 | 38 | 35 | 36 | 21 | 14 | 14 | 5 | — | — | — | — | 4 | 6 | 6 | 5 | |
Wind waves Height (m) Direction Period (s) | S 6 | S 6 | — | — | — | — | — | SE 5 | — | SSE 8 | — | — | SE 8 | — | SE 9 | SE 9 | SE 9 | SE 9 | — | SE 8 | — | — |
30 | 21 | — | — | — | — | — | 30 | — | 193 | — | — | 338 | — | 505 | 528 | 528 | 516 | — | 470 | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 312 | 312 | 312 | 13 | 43 | 43 | 46 | 286 | 361 | 804 | 332 | 46 | 43 | 43 | 53 | 286 | 361 | 361 | 46 | 43 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
Header Global | ||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












