
Surf Forecasts:
How big are the waves at Amatu today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 3ft (0.9m), 9s period with E swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 3ft (0.9m), 8s period with E swell.
- Evening surf: Evening surf (20 Jul, local time) - 4ft (1.2m), 12s period with E swell.
The current surf forecast for Amatu at 6AM is: 0.9m 9s primary swell from a East direction and 0.5m 9s secondary swell from a South-southeast direction, 0.4m 3s secondary swell from a South-southwest direction (forecast issued at 02:00am July 20). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 3ft (0.9m) | 9s |
| Afternoon (20 Jul) | 3ft (0.9m) | 8s |
| Evening (20 Jul) | 4ft (1.2m) | 12s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 30°C on Tue morning, min 25°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||||||
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 | 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 9 | E 9 | E 9 | E 8 | E 8 | 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 | E 10 | ENE 10 |
Wave Graph | ||||||||||||||||||||||||
129 | 155 | 126 | 120 | 115 | 116 | 96 | 390 | 410 | 403 | 343 | 337 | 281 | 281 | 222 | 208 | 204 | 204 | 204 | 208 | 208 | 167 | 204 | 167 | |
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-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 8:23AM1.24m | 8:48PM1.41m | 9:27AM1.12m | 9:15PM1.38m | 11:06AM1.03m | |||||||||||||||||||
Low Tide | 2:30AM0.67m | 2:23PM0.60m | 3:25AM0.63m | 2:53PM0.76m | 4:31AM0.59m | 3:25PM0.90m | ||||||||||||||||||
— | 4:37 | — | — | — | — | — | — | — | 4:39 | — | — | — | — | — | — | — | 4:39 | — | — | — | — | — | — | |
— | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:50 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 28 | 29 | 29 | 27 | 26 | 26 | 25 | 26 | 29 | 30 | 30 | 28 | 26 | 26 | 26 | 26 | 29 | 30 | 30 | 28 | 27 |
Feels °C | 29 | 28 | 30 | 31 | 32 | 31 | 30 | 30 | 30 | 28 | 30 | 33 | 33 | 33 | 32 | 30 | 30 | 30 | 31 | 34 | 34 | 34 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | 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 | E 10 | ENE 10 |
129 | 155 | 126 | 120 | 115 | 116 | 96 | 390 | 410 | 403 | 343 | 337 | 281 | 281 | 222 | 208 | 204 | 204 | 204 | 208 | 208 | 167 | 204 | 167 | |
Swell 2 Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 9 | SSE 7 | SE 7 | ENE 14 | 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 8 | SSE 7 | SSE 8 | SSE 7 |
36 | 30 | 45 | 16 | 11 | 64 | 78 | 22 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 6 | 6 | 6 | 6 | 5 | 6 | 5 | |
Swell 3 Height (m) Direction Period (s) | S 8 | S 8 | S 7 | S 8 | ENE 14 | SE 8 | 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 |
5 | 5 | 4 | 4 | 40 | 18 | 62 | 5 | 5 | 13 | 12 | 13 | 13 | 19 | 19 | 12 | 12 | 12 | 12 | 11 | 12 | 11 | 12 | 11 | |
Wind waves Height (m) Direction Period (s) | SSE 7 | S 7 | SSW 3 | S 9 | SW 3 | SSW 3 | SW 3 | SW 3 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SSW 4 | SW 4 | SW 4 | SW 4 | SW 5 | SW 5 | SSW 4 | SSW 4 | SSW 5 | SSW 5 |
42 | 37 | 4 | 40 | 2 | 7 | 5 | 6 | 8 | 9 | 10 | 8 | 7 | 11 | 10 | 8 | 14 | 15 | 17 | 10 | 13 | 13 | 14 | 15 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 24 | 24 | 24 | 24 | 30 | 127 | 30 | 30 | 30 | 24 | 24 | 24 | 30 | 127 | 30 | 24 | 24 | 6 | 24 | 24 | 30 | 30 | 24 |
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)












