
Surf Forecasts:
How big are the waves at Amatu today (11 Aug):
- Morning surf: Morning surf (11 Aug, local time) - 7.5ft (2.3m), 12s period with ENE swell.
- Afternoon surf: Afternoon surf (11 Aug, local time) - 7ft (2.1m), 12s period with E swell.
- Evening surf: Evening surf (11 Aug, local time) - 6ft (1.8m), 11s period with ENE swell.
The current surf forecast for Amatu at 2PM is: 2.1m 12s primary swell from a East direction and 0.5m 10s secondary swell from a South-southwest direction, 0.9m 11s secondary swell from a Southwest direction (forecast issued at 08:00am August 11). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | 7.5ft (2.3m) | 12s |
| Afternoon (11 Aug) | 7ft (2.1m) | 12s |
| Evening (11 Aug) | 6ft (1.8m) | 11s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 45mm), heaviest during Tue afternoon. Warm (max 28°C on Thu afternoon, min 22°C on Tue night). Winds decreasing (fresh winds from the SW on Tue afternoon, light winds from the NE by Wed night). | ||||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | ||||||||||||||||||||
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) | ENE 10 | ENE 12 | E 11 | E 12 | ENE 12 | ENE 11 | ENE 11 | ENE 10 | E 10 | ESE 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 |
Wave Graph | ||||||||||||||||||||||
1040 | 1343 | 1144 | 1290 | 1211 | 814 | 494 | 370 | 245 | 727 | 226 | 226 | 256 | 246 | 293 | 339 | 388 | 414 | 514 | 524 | 603 | 592 | |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross | cross | cross | cross-off |
High Tide | 4:55PM1.47m | 3:16AM1.56m | 5:22PM1.50m | 4:10AM1.61m | 5:49PM1.52m | |||||||||||||||||
Low Tide | 9:37AM0.04m | 10:03PM1.01m | 10:23AM0.02m | 10:41PM0.88m | 11:03AM0.05m | |||||||||||||||||
4:54 | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — | |
— | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | |
mm | — | — | — | 3 | 7 | 5 | 3 | 5 | 4 | 3 | 2 | 2 | 2 | 2 | 1 | — | — | 1 | — | 1 | 1 | 1 |
Temp °C | 21 | 24 | 25 | 24 | 24 | 24 | 23 | 22 | 23 | 24 | 25 | 26 | 25 | 24 | 23 | 23 | 23 | 26 | 27 | 28 | 25 | 25 |
Feels °C | 21 | 24 | 23 | 22 | 22 | 22 | 21 | 21 | 22 | 24 | 26 | 28 | 27 | 27 | 26 | 25 | 25 | 28 | 28 | 30 | 27 | 28 |
Swell 1 Height (m) Direction Period (s) | ENE 10 | ENE 12 | E 11 | E 12 | ENE 12 | ENE 11 | ENE 11 | ENE 10 | E 10 | SSW 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 |
1040 | 1343 | 1144 | 1290 | 1211 | 814 | 494 | 370 | 245 | 58 | 226 | 226 | 256 | 246 | 293 | 339 | 388 | 414 | 514 | 524 | 603 | 592 | |
Swell 2 Height (m) Direction Period (s) | SSW 10 | SSW 10 | SSW 10 | NE 10 | SE 13 | SE 13 | SSW 10 | SSW 10 | SSW 10 | SW 12 | SSW 10 | SSW 10 | S 6 | SSW 10 | SSE 6 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 9 |
59 | 60 | 63 | 380 | 26 | 26 | 58 | 58 | 57 | 47 | 57 | 95 | 31 | 92 | 37 | 114 | 114 | 86 | 86 | 85 | 61 | 59 | |
Swell 3 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 11 | SE 13 | SE 13 | — | SW 11 | SW 11 | SW 11 | WSW 6 | SSW 6 | S 6 | SSW 10 | S 6 | SSW 10 | SSE 12 | — | S 11 | S 17 | SSE 11 | SSE 12 | SSE 12 |
46 | 45 | 43 | 27 | 26 | — | 42 | 41 | 43 | 4 | 12 | 27 | 71 | 24 | 90 | 14 | — | 2 | 6 | 13 | 13 | 49 | |
Wind waves Height (m) Direction Period (s) | NE 8 | — | — | SW 11 | SW 5 | SW 6 | SSW 6 | S 6 | SE 6 | ESE 10 | ESE 6 | ESE 5 | E 5 | E 4 | ESE 4 | — | — | — | — | — | — | — |
574 | — | — | 194 | 96 | 160 | 108 | 108 | 133 | 727 | 104 | 46 | 15 | 9 | 6 | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 14 | 184 | 73 | 184 | 127 | 35 | 87 | 519 | 60 | 52 | 0 | 0 | 0 | 0 | 0 | 0 | 35 | 35 | 35 | 0 |
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)












