Surf Forecasts:
How big are the waves at Amatu today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 11ft (3.5m), 12s period with SE swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 11ft (3.5m), 11s period with SE swell.
- Evening surf: Evening surf (20 Sep, local time) - 11ft (3.5m), 12s period with SSE swell.
The current surf forecast for Amatu at 11AM is: 3.0m 11s primary swell from a Southeast direction and 0.2m 14s secondary swell from a East direction (forecast issued at 08:00am September 20). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 11ft (3.5m) | 12s |
| Afternoon (20 Sep) | 11ft (3.5m) | 11s |
| Evening (20 Sep) | 11ft (3.5m) | 12s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 122mm), heaviest during Sun morning. Warm (max 28°C on Tue morning, min 22°C on Sun morning). Mainly gales. | ||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||||
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) | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 13 | S 14 | S 15 | S 14 | SSE 11 | S 10 | S 9 | S 9 | S 9 | S 8 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 2824 | 2977 | 2521 | 2529 | 2816 | 2998 | 3331 | 4995 | 5326 | 5399 | 6574 | 6970 | 9747 | 20415 | 39975 | 11431 | 2100 | 1618 | 1000 | 700 | 493 | 347 |
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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | off | cross-off | cross-on | cross-on | glassy | cross | cross |
High Tide | 4:05PM1.18m | 8:17PM1.20m | 3:07PM1.25m | 00:16AM1.17m | 3:17PM1.32m | |||||||||||||||||
Low Tide | 5:06AM0.55m | 4:28PM1.18m | 6:50AM0.52m | 8:17PM1.09m | 7:53AM0.45m | 8:43PM0.97m | ||||||||||||||||
 | | |  |  | | |  |  | | | |  | | |  |  |  | |  |  |  | |
 | 5:24 | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:38 | — | — | — | — | — | — | — | 5:37 | — | — |
mm | 11 | 21 | 13 | 6 | 4 | 2 | 2 | 6 | 8 | 6 | 3 | 2 | 9 | 11 | 12 | 12 | 5 | — | — | — | — | — |
Temp °C | 23 | 22 | 22 | 22 | 23 | 23 | 24 | 25 | 26 | 27 | 27 | 27 | 26 | 27 | 26 | 26 | 25 | 26 | 28 | 27 | 25 | 24 |
Feels °C | 24 | 21 | 21 | 23 | 24 | 23 | 26 | 29 | 29 | 29 | 28 | 27 | 25 | 24 | 20 | 19 | 21 | 28 | 31 | 31 | 27 | 23 |
Swell 1 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | E 11 | SSE 12 | — | S 13 | SSW 14 | S 15 | S 14 | SSE 11 | S 10 | S 9 | S 9 | S 9 | S 8 |
| kJ | 2824 | 2977 | 2521 | 2529 | 2816 | 2998 | 3331 | 3871 | 4631 | 112 | 5986 | — | 7916 | 15706 | 39975 | 11431 | 2100 | 1618 | 1000 | 700 | 493 | 347 |
Swell 2 Height (m) Direction Period (s) | NE 8 | E 14 | E 14 | S 15 | E 13 | E 12 | E 12 | E 12 | E 11 | — | E 11 | — | — | — | — | SE 11 | SW 11 | ENE 10 | ENE 10 | NE 10 | ENE 10 | NE 9 |
| kJ | 55 | 15 | 15 | 155 | 31 | 73 | 71 | 97 | 89 | — | 86 | — | — | — | — | 2320 | 924 | 56 | 19 | 24 | 36 | 27 |
Swell 3 Height (m) Direction Period (s) | — | E 14 | E 13 | E 13 | — | E 12 | — | — | — | — | — | — | — | — | — | — | NW 5 | ENE 10 | NE 7 | E 13 | E 13 | E 10 |
| kJ | — | 15 | 32 | 30 | — | 75 | — | — | — | — | — | — | — | — | — | — | 13 | 31 | 7 | 3 | 3 | 17 |
Wind waves Height (m) Direction Period (s) | NNE 4 | NE 8 | NE 4 | NE 8 | NNE 5 | NE 4 | NNE 4 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 13 | S 14 | ESE 11 | NW 5 | NW 5 | SW 10 | SW 9 | WSW 8 | — | ENE 3 |
| kJ | 9 | 41 | 28 | 20 | 44 | 14 | 9 | 4995 | 5326 | 5399 | 6574 | 6970 | 9747 | 20415 | 5478 | 135 | 49 | 1202 | 515 | 322 | — | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 65 | 601 | 601 | 69 | 601 | 601 | 615 | 35 | 35 | 615 | 1279 | 582 | 558 | 538 | 537 | 96 | 46 | 30 | 24 | 0 | 35 | 53 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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