Surf Forecasts:
How big are the waves at Amatu today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 3.5ft (1.1m), 10s period with E swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 3.5ft (1.1m), 10s period with E swell.
- Evening surf: Evening surf (12 Aug, local time) - 4.5ft (1.4m), 9s period with E swell.
The current surf forecast for Amatu at 2AM is: 1.3m 10s primary swell from a East-northeast direction and 0.5m 10s secondary swell from a South-southwest direction, 1.1m 6s secondary swell from a South-southwest direction (forecast issued at 08:00pm August 11). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 3.5ft (1.1m) | 10s |
| Afternoon (12 Aug) | 3.5ft (1.1m) | 10s |
| Evening (12 Aug) | 4.5ft (1.4m) | 9s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 90mm), heaviest during Tue night. Warm (max 28°C on Thu morning, min 22°C on Wed night). Winds decreasing (strong winds from the SW on Tue night, light winds from the NE by Thu night). | ||||||||||||||||||
Tue 11 | Wednesday 12 | Thursday 13 | ||||||||||||||||
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) | ENE 12 | ENE 11 | ENE 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 1361 | 828 | 494 | 353 | 245 | 235 | 184 | 220 | 217 | 332 | 287 | 354 | 405 | 414 | 484 | 514 | 535 | 524 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | off | cross-off | cross-off | cross-off | cross | cross | cross | cross |
High Tide | 4:55PM1.47m | 3:16AM1.56m | 5:22PM1.50m | 4:10AM1.61m | 5:49PM1.52m | |||||||||||||
Low Tide | 10:03PM1.01m | 10:23AM0.02m | 10:41PM0.88m | 11:03AM0.05m | ||||||||||||||
 |  | |  | | | | | |  | |  |  | | |  | | | |
 | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — |
 | 6:32 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — |
mm | 5 | 24 | 32 | 7 | 2 | 6 | 5 | 4 | 3 | 1 | 1 | — | — | 1 | 1 | — | — | 1 |
Temp °C | 24 | 23 | 23 | 23 | 24 | 25 | 26 | 26 | 25 | 23 | 22 | 23 | 23 | 26 | 28 | 28 | 26 | 25 |
Feels °C | 22 | 20 | 20 | 23 | 24 | 24 | 26 | 28 | 27 | 25 | 24 | 25 | 25 | 29 | 30 | 30 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | ENE 12 | ENE 11 | ENE 11 | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 5 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 1361 | 828 | 494 | 353 | 245 | 235 | 184 | 220 | 83 | 332 | 287 | 354 | 405 | 414 | 484 | 514 | 535 | 524 |
Swell 2 Height (m) Direction Period (s) | SE 13 | SE 13 | SSW 10 | SSW 10 | SSW 6 | SSW 10 | SSW 10 | SW 10 | E 9 | S 5 | S 5 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 |
| kJ | 26 | 26 | 58 | 58 | 43 | 63 | 56 | 110 | 217 | 27 | 27 | 67 | 114 | 86 | 86 | 85 | 61 | 60 |
Swell 3 Height (m) Direction Period (s) | SE 13 | — | SW 11 | SW 11 | SSW 10 | SW 10 | SW 11 | S 6 | SSW 10 | SSW 10 | SSW 10 | S 6 | — | S 11 | S 17 | SSE 11 | SSE 12 | S 12 |
| kJ | 26 | — | 42 | 41 | 57 | 37 | 42 | 16 | 94 | 92 | 68 | 23 | — | 2 | 6 | 13 | 14 | 11 |
Wind waves Height (m) Direction Period (s) | SW 11 | SW 5 | SSW 6 | SSW 6 | ESE 7 | ESE 6 | ESE 6 | ESE 6 | ENE 5 | — | — | — | — | — | — | — | — | — |
| kJ | 441 | 140 | 119 | 86 | 125 | 212 | 178 | 146 | 35 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 43 | 75 | 189 | 30 | 87 | 87 | 519 | 55 | 69 | 0 | 0 | 0 | 0 | 0 | 16 | 16 | 16 | 16 |
Best forecast wave conditions in Chiba | ||||||||||||||||||
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)
Latest Updates
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Amatu surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest