Surf Forecasts:
How big are the waves at Amatu today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 4ft (1.2m), 11s period with ENE swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 3.5ft (1.1m), 10s period with ENE swell.
- Evening surf: Evening surf (21 Jul, local time) - 3.5ft (1.0m), 10s period with E swell.
The current surf forecast for Amatu at 2AM is: 1.3m 11s primary swell from a East direction and 0.3m 8s secondary swell from a South-southeast direction, 0.4m 4s secondary swell from a Southwest direction (forecast issued at 08:00pm July 20). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 4ft (1.2m) | 11s |
| Afternoon (21 Jul) | 3.5ft (1.1m) | 10s |
| Evening (21 Jul) | 3.5ft (1.0m) | 10s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 31°C on Tue morning, min 26°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||
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 12 | E 11 | E 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 10 | ENE 10 | ENE 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 96 | 390 | 410 | 403 | 343 | 337 | 281 | 276 | 222 | 208 | 204 | 204 | 204 | 208 | 208 | 167 | 167 | 167 |
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-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 8:48PM1.41m | 9:27AM1.12m | 9:15PM1.38m | 11:06AM1.03m | ||||||||||||||
Low Tide | 3:25AM0.63m | 2:53PM0.76m | 4:31AM0.59m | 3:25PM0.90m | ||||||||||||||
 |  | | | | | | | | | | |  | | | | | | |
 | — | — | — | 4:39 | — | — | — | — | — | — | — | 4:39 | — | — | — | — | — | — |
 | 6:51 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:50 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 26 | 26 | 26 | 26 | 29 | 31 | 30 | 28 | 26 | 26 | 26 | 26 | 29 | 30 | 30 | 28 | 27 |
Feels °C | 31 | 30 | 30 | 30 | 30 | 33 | 34 | 32 | 32 | 30 | 30 | 30 | 31 | 34 | 33 | 33 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 12 | E 11 | E 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 10 | ENE 10 | ENE 10 |
| kJ | 96 | 390 | 410 | 403 | 343 | 337 | 281 | 276 | 222 | 208 | 204 | 204 | 204 | 208 | 208 | 167 | 167 | 167 |
Swell 2 Height (m) Direction Period (s) | E 10 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | SSE 8 | SSE 7 |
| kJ | 78 | 22 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 6 | 6 | 6 | 6 | 5 | 5 | 6 | 5 |
Swell 3 Height (m) Direction Period (s) | ENE 14 | SE 11 | SE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | SE 11 | SE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | SSE 11 | SSE 11 |
| kJ | 62 | 5 | 5 | 13 | 12 | 13 | 13 | 19 | 19 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 12 | 11 |
Wind waves Height (m) Direction Period (s) | SW 3 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 4 | SW 5 | SW 5 |
| kJ | 5 | 6 | 5 | 5 | 5 | 5 | 8 | 11 | 12 | 14 | 16 | 21 | 22 | 18 | 18 | 16 | 19 | 19 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 127 | 30 | 30 | 30 | 24 | 24 | 30 | 1459 | 582 | 24 | 24 | 24 | 6 | 6 | 24 | 30 | 30 | 30 |
Best forecast wave conditions in Chiba | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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