Surf Forecasts:
How big are the waves at Amatu today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 6ft (1.8m), 7s period with NE swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 7ft (2.2m), 8s period with ENE swell.
- Evening surf: Evening surf (17 Sep, local time) - 7ft (2.2m), 8s period with ENE swell.
The current surf forecast for Amatu at 3AM is: 0.8m 12s primary swell from a East direction and 0.7m 8s secondary swell from a Southeast direction, 1.4m 6s secondary swell from a Northeast direction (forecast issued at 08:00pm September 16). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 6ft (1.8m) | 7s |
| Afternoon (17 Sep) | 7ft (2.2m) | 8s |
| Evening (17 Sep) | 7ft (2.2m) | 8s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 25mm), heaviest during Wed night. Warm (max 25°C on Sat morning, min 19°C on Thu morning). Mainly fresh winds. | ||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | ||||||||||||||||
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 12 | E 12 | E 12 | E 12 | NE 7 | NE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | NE 7 | NE 7 | ENE 7 |
Wave Graph  | ||||||||||||||||||
 kJ | 190 | 187 | 141 | 184 | 237 | 349 | 564 | 643 | 605 | 635 | 687 | 559 | 541 | 585 | 398 | 287 | 296 | 440 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 6:38PM1.51m | 8:20AM1.19m | 6:58PM1.46m | 9:33AM1.09m | 7:19PM1.39m | |||||||||||||
Low Tide | 1:35AM0.36m | 1:06PM0.91m | 2:19AM0.43m | 1:17PM1.00m | ||||||||||||||
 |  | |  |  |  | |  |  |  | | | | | | | | | |
 | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:43 | — | — |
mm | 19 | 10 | 9 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 23 | 22 | 20 | 20 | 19 | 20 | 21 | 20 | 20 | 19 | 19 | 19 | 20 | 21 | 21 | 20 | 21 |
Feels °C | 22 | 23 | 22 | 17 | 18 | 16 | 16 | 17 | 16 | 16 | 15 | 15 | 15 | 16 | 18 | 18 | 17 | 19 |
Swell 1 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | SE 7 | SSE 9 | ENE 13 | SE 8 | SSE 9 | E 12 | E 12 | SE 8 | E 11 | E 11 | E 11 | SE 14 |
| kJ | 190 | 187 | 141 | 184 | 103 | 71 | 19 | 8 | 55 | 10 | 8 | 101 | 101 | 23 | 89 | 86 | 86 | 327 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 9 | ENE 13 | SE 8 | ENE 13 | S 13 | SSE 9 | SE 9 | ENE 12 | SE 8 | SE 8 | SE 7 | SE 8 |
| kJ | 84 | 71 | 64 | 58 | 38 | 29 | 7 | 17 | 10 | 17 | 3 | 7 | 3 | 29 | 23 | 21 | 27 | 35 |
Swell 3 Height (m) Direction Period (s) | SW 5 | E 16 | E 16 | S 8 | SSE 8 | ENE 14 | E 15 | SSE 9 | SSE 9 | SSE 9 | — | — | SE 12 | SE 12 | SSE 12 | SE 11 | SE 15 | E 11 |
| kJ | 1 | 5 | 5 | 1 | 7 | 40 | 4 | 8 | 8 | 8 | — | — | 6 | 6 | 14 | 20 | 84 | 61 |
Wind waves Height (m) Direction Period (s) | NE 5 | NE 5 | NE 6 | NE 6 | NE 7 | NE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | NE 7 | NE 7 | ENE 7 |
| kJ | 43 | 60 | 118 | 139 | 237 | 349 | 564 | 643 | 605 | 635 | 687 | 559 | 541 | 585 | 398 | 287 | 296 | 440 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 190 | 40 | 190 | 190 | 190 | 190 | 190 | 190 | 537 | 519 | 190 | 190 | 190 | 519 | 540 | 540 | 279 | 279 |
Best forecast wave conditions in Chiba | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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