Surf Forecasts:
How big are the waves at Amatu today (21 Aug):
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2ft (0.6m), 10s period with E swell.
- Evening surf: Evening surf (21 Aug, local time) - 2ft (0.6m), 10s period with E swell.
The current surf forecast for Amatu at 5PM is: 0.6m 10s primary swell from a East direction and 0.5m 9s secondary swell from a South-southwest direction, 0.6m 4s secondary swell from a South direction (forecast issued at 02:00pm August 21). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | - | - |
| Afternoon (21 Aug) | 2ft (0.6m) | 10s |
| Evening (21 Aug) | 2ft (0.6m) | 10s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Sat night. Warm (max 28°C on Fri afternoon, min 23°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||
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 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SSE 13 | E 12 | SSE 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 44 | 65 | 68 | 69 | 66 | 90 | 94 | 175 | 231 | 231 | 231 | 218 | 198 | 158 | 158 | 120 | 88 | 106 | 106 | 190 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross | glassy | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off |
High Tide | 8:48PM1.31m | 9:49PM1.23m | 4:03PM1.25m | |||||||||||||||||
Low Tide | 6:13AM0.53m | 7:41AM0.45m | 8:38PM1.14m | |||||||||||||||||
 |  | |  | |  |  | | | | |  | | | | | | |  | | |
 | — | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — |
 | — | — | 6:21 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:19 | — |
mm | — | — | — | — | — | — | 1 | — | — | 1 | 1 | 2 | 2 | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 26 | 26 | 26 | 25 | 25 | 27 | 28 | 28 | 27 | 25 | 24 | 24 | 23 | 25 | 27 | 27 | 25 | 24 |
Feels °C | 30 | 30 | 28 | 28 | 28 | 27 | 27 | 29 | 30 | 31 | 31 | 29 | 28 | 27 | 26 | 27 | 29 | 29 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | SSE 12 |
| kJ | 37 | 65 | 68 | 69 | 66 | 90 | 94 | 175 | 231 | 231 | 231 | 218 | 198 | 158 | 158 | 120 | 88 | 83 | 60 | 190 |
Swell 2 Height (m) Direction Period (s) | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 10 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | S 5 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SE 13 | ESE 12 | E 12 | E 9 |
| kJ | 44 | 44 | 44 | 45 | 52 | 54 | 50 | 47 | 47 | 46 | 16 | 32 | 32 | 64 | 62 | 30 | 85 | 83 | 106 | 60 |
Swell 3 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 11 | SE 11 | ESE 11 | SE 10 | E 13 | SE 10 | SE 10 | SE 11 | SSW 9 | S 5 | SSE 5 | SE 11 | SE 11 | ESE 13 | SSW 9 | SSE 13 | SSE 12 | E 12 |
| kJ | 41 | 30 | 30 | 30 | 47 | 28 | 50 | 16 | 27 | 29 | 47 | 11 | 7 | 29 | 29 | 54 | 30 | 106 | 98 | 113 |
Wind waves Height (m) Direction Period (s) | SSE 5 | S 3 | S 4 | S 4 | S 4 | S 5 | S 5 | S 5 | S 5 | S 5 | W 3 | W 3 | NNE 4 | NNE 4 | NE 4 | NE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 |
| kJ | 7 | 5 | 10 | 17 | 24 | 27 | 21 | 21 | 22 | 16 | 1 | 1 | 2 | 1 | 5 | 11 | 12 | 11 | 10 | 7 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 24 | 30 | 24 | 24 | 30 | 87 | 127 | 96 | 35 | 30 | 30 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 40 | 40 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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