Surf Forecasts:
How big are the waves at Amatu today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 7ft (2.1m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 7ft (2.2m), 8s period with NE swell.
- Evening surf: Evening surf (18 Sep, local time) - 7ft (2.1m), 8s period with ENE swell.
The current surf forecast for Amatu at 7AM is: 2.1m 8s primary swell from a East-northeast direction and 0.5m 12s secondary swell from a East direction, 0.2m 8s secondary swell from a South-southeast direction (forecast issued at 02:00am September 18). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 7ft (2.1m) | 8s |
| Afternoon (18 Sep) | 7ft (2.2m) | 8s |
| Evening (18 Sep) | 7ft (2.1m) | 8s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 142mm), heaviest during Sun night. Warm (max 27°C on Sun night, min 20°C on Fri morning). Mainly fresh winds. | ||||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||||||
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) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | ENE 8 | SE 14 | SE 13 | SE 16 | SE 14 | SE 14 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 11 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 493 | 531 | 531 | 558 | 618 | 602 | 587 | 572 | 1036 | 1438 | 5017 | 4757 | 4561 | 3816 | 3344 | 2555 | 2824 | 2620 | 2581 | 3097 | 3221 | 3304 | 4598 | 6299 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 9:33AM1.09m | 7:19PM1.39m | 7:42PM1.30m | 4:05PM1.18m | 8:17PM1.20m | |||||||||||||||||||
Low Tide | 2:19AM0.43m | 1:17PM1.00m | 3:23AM0.51m | 5:06AM0.55m | 4:28PM1.18m | |||||||||||||||||||
 | |  | | | |  | | | | | | |  | | | |  |  |  | | |  | | |
 | — | 5:22 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:40 | — | — | — | — | — | — | — | 5:39 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | 4 | 21 | 6 | 8 | 14 | 19 | 16 |
Temp °C | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 21 | 23 | 23 | 22 | 23 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 24 |
Feels °C | 16 | 16 | 16 | 16 | 17 | 17 | 18 | 18 | 17 | 18 | 18 | 20 | 22 | 23 | 22 | 24 | 22 | 22 | 23 | 23 | 23 | 22 | 21 | 23 |
Swell 1 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | ENE 12 | SSE 12 | E 11 | SE 14 | SE 14 | SE 14 | SE 13 | SE 16 | SE 14 | SE 14 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 11 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 |
| kJ | 72 | 73 | 73 | 45 | 14 | 63 | 103 | 422 | 1036 | 1438 | 5017 | 4757 | 4561 | 3816 | 3344 | 2555 | 2824 | 2620 | 2581 | 3097 | 3221 | 3304 | 4598 | 6299 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | SSE 8 | S 8 | SE 8 | SE 8 | E 11 | — | SE 17 | E 10 | E 10 | E 10 | E 10 | E 10 | — | ENE 10 | NE 8 | NE 7 | E 14 | NE 7 | E 13 | E 13 | — |
| kJ | 7 | 7 | 7 | 7 | 1 | 15 | 14 | 62 | — | 805 | 73 | 73 | 125 | 125 | 161 | — | 100 | 20 | 19 | 15 | 19 | 30 | 30 | — |
Swell 3 Height (m) Direction Period (s) | — | — | SE 12 | SE 12 | — | SE 11 | ENE 11 | SE 8 | — | — | — | — | — | — | — | — | — | — | — | E 14 | E 14 | — | — | — |
| kJ | — | — | 6 | 6 | — | 32 | 24 | 21 | — | — | — | — | — | — | — | — | — | — | — | 15 | 14 | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | ENE 10 | ENE 10 | ENE 10 | ENE 8 | NE 8 | NE 8 | — | — | — | NE 5 | SE 12 | E 12 |
| kJ | 493 | 531 | 531 | 558 | 618 | 602 | 587 | 572 | 500 | 345 | 345 | 236 | 394 | 356 | 346 | 206 | 48 | 53 | — | — | — | 119 | 3617 | 48 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 519 | 519 | 519 | 519 | 601 | 540 | 540 | 537 | 540 | 279 | 279 | 537 | 538 | 60 | 60 | 35 | 35 | 538 | 16 | 16 | 615 | 601 | 601 | 559 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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