Surf Forecasts:
How big are the waves at Amatu today (25 Aug):
- Morning surf: Morning surf (25 Aug, local time) - 6.5ft (2.0m), 13s period with S swell.
- Afternoon surf: Afternoon surf (25 Aug, local time) - 6ft (1.8m), 12s period with S swell.
- Evening surf: Evening surf (25 Aug, local time) - 5ft (1.6m), 11s period with S swell.
The current surf forecast for Amatu at 2AM is: 2.0m 13s primary swell from a South-southeast direction and 0.8m 14s secondary swell from a East direction, 0.8m 4s secondary swell from a Southwest direction (forecast issued at 08:00pm August 24). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Aug) | 6.5ft (2.0m) | 13s |
| Afternoon (25 Aug) | 6ft (1.8m) | 12s |
| Evening (25 Aug) | 5ft (1.6m) | 11s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Thu morning. Warm (max 30°C on Wed morning, min 24°C on Thu afternoon). Winds decreasing (fresh winds from the SW on Wed night, calm by Thu morning). | ||||||||||||||||||
Mon 24 | Tuesday 25 | Wednesday 26 | ||||||||||||||||
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) | SSE 15 | SSE 14 | SSE 13 | SSE 13 | S 13 | S 13 | S 12 | S 12 | S 11 | S 11 | S 11 | S 12 | S 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 12 |
Wave Graph  | ||||||||||||||||||
 kJ | 1877 | 1364 | 968 | 1641 | 1400 | 1335 | 1062 | 895 | 747 | 621 | 326 | 464 | 404 | 288 | 256 | 278 | 269 | 694 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 4:13PM1.32m | 1:59AM1.29m | 4:29PM1.37m | 2:49AM1.38m | 4:45PM1.42m | |||||||||||||
Low Tide | 9:17PM1.05m | 9:17AM0.28m | 9:43PM0.95m | 9:49AM0.22m | ||||||||||||||
 |  | | | | | | | | |  | | | | | | | | |
 | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — |
 | 6:17 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 26 | 26 | 28 | 28 | 29 | 27 | 26 | 26 | 26 | 26 | 29 | 30 | 29 | 27 | 27 |
Feels °C | 30 | 29 | 28 | 28 | 28 | 30 | 28 | 30 | 27 | 26 | 26 | 27 | 29 | 32 | 32 | 30 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | SSE 15 | SSE 14 | SSE 13 | SSE 13 | S 13 | S 13 | S 12 | S 12 | S 11 | S 11 | S 11 | S 12 | S 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSE 9 |
| kJ | 1877 | 1364 | 968 | 1641 | 1400 | 1335 | 1062 | 895 | 747 | 621 | 326 | 464 | 404 | 288 | 256 | 278 | 269 | 98 |
Swell 2 Height (m) Direction Period (s) | E 12 | S 17 | S 15 | E 14 | E 14 | E 14 | E 13 | E 13 | E 13 | E 13 | SSW 12 | E 13 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | E 12 |
| kJ | 129 | 600 | 894 | 264 | 148 | 311 | 229 | 225 | 222 | 219 | 208 | 212 | 100 | 124 | 121 | 121 | 116 | 100 |
Swell 3 Height (m) Direction Period (s) | E 15 | E 15 | E 11 | E 11 | E 11 | — | E 13 | — | — | SSE 10 | E 13 | SE 10 | E 13 | E 12 | E 12 | E 12 | E 12 | E 16 |
| kJ | 72 | 271 | 114 | 116 | 84 | — | 289 | — | — | 41 | 215 | 102 | 161 | 148 | 144 | 141 | 100 | 45 |
Wind waves Height (m) Direction Period (s) | SW 9 | SW 9 | SW 8 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 12 |
| kJ | 46 | 36 | 58 | 17 | 23 | 19 | 28 | 29 | 39 | 49 | 51 | 64 | 42 | 37 | 41 | 49 | 64 | 694 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 88 | 35 | 75 | 73 | 73 | 75 | 567 | 231 | 540 | 87 | 75 | 30 | 24 | 30 | 567 | 582 | 540 | 96 |
Best forecast wave conditions in Chiba | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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