Surf Forecasts:
How big are the waves at Amatu today (21 Sep):
- Afternoon surf: Afternoon surf (21 Sep, local time) - 16ft (5.0m), 13s period with SSE swell.
- Evening surf: Evening surf (21 Sep, local time) - 20ft (6.0m), 13s period with SSE swell.
The current surf forecast for Amatu at 8PM is: 6.5m 13s primary swell from a South-southeast direction and 2.5m 10s secondary swell from a East-southeast direction (forecast issued at 02:00pm September 21). An open ocean swell of 1.0m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | - | - |
| Afternoon (21 Sep) | 16ft (5.0m) | 13s |
| Evening (21 Sep) | 20ft (6.0m) | 13s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 139mm), heaviest during Mon afternoon. Warm (max 27°C on Mon afternoon, min 21°C on Wed night). Winds decreasing (near gales from the NNW on Mon night, light winds from the NNE by Wed night). | ||||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||
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) | SSE 13 | SSE 13 | SSE 13 | SSE 13 | S 12 | S 11 | SSE 10 | S 9 | S 9 | S 8 | SSE 8 | S 8 | S 8 | S 7 | ENE 5 | ENE 5 | ENE 5 | ESE 6 | ESE 6 | ESE 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 8353 | 8882 | 16484 | 11933 | 2917 | 577 | 644 | 541 | 463 | 324 | 235 | 157 | 118 | 70 | 82 | 85 | 60 | 111 | 77 | 77 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | off | off | cross-off | cross-on | cross-on | on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on |
High Tide | 3:07PM1.25m | 00:16AM1.17m | 3:17PM1.32m | 1:39AM1.26m | 3:30PM1.39m | |||||||||||||||
Low Tide | 8:17PM1.09m | 7:53AM0.45m | 8:43PM0.97m | 8:35AM0.39m | ||||||||||||||||
 | |  | |  |  |  |  |  | |  | | |  |  | | | | | | |
 | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | 5:38 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:36 | — | — |
mm | 5 | 52 | 53 | 19 | 3 | — | — | 1 | 2 | 2 | 1 | — | 1 | — | — | — | 1 | — | — | — |
Temp °C | 27 | 26 | 27 | 24 | 25 | 25 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 |
Feels °C | 27 | 25 | 26 | 18 | 22 | 27 | 28 | 29 | 29 | 28 | 25 | 25 | 23 | 22 | 22 | 21 | 22 | 22 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | SSE 13 | SSE 13 | SSE 13 | SSE 13 | S 12 | E 9 | SSE 10 | S 9 | S 9 | S 8 | SSE 8 | S 8 | S 8 | S 7 | S 7 | SSE 7 | SSE 6 | ENE 9 | ENE 9 | NE 9 |
| kJ | 8353 | 8882 | 16484 | 11933 | 2917 | 427 | 644 | 541 | 463 | 324 | 235 | 157 | 118 | 70 | 52 | 64 | 60 | 53 | 71 | 64 |
Swell 2 Height (m) Direction Period (s) | — | — | — | ESE 10 | ESE 10 | S 11 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | NE 9 | ENE 9 | ENE 9 | SSE 6 | E 10 | E 10 | E 10 | SSE 9 | E 9 |
| kJ | — | — | — | 1341 | 1129 | 577 | 168 | 92 | 73 | 56 | 31 | 50 | 35 | 35 | 12 | 17 | 17 | 17 | 8 | 15 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SE 11 | SE 10 | NE 7 | E 13 | E 13 | WSW 7 | NE 8 | ENE 10 | NE 7 | SSE 6 | E 10 | SE 9 | SSE 9 | SSE 9 | E 12 | SSE 9 |
| kJ | — | — | — | — | 140 | 315 | 27 | 3 | 3 | 4 | 20 | 31 | 8 | 12 | 8 | 3 | 8 | 8 | 3 | 7 |
Wind waves Height (m) Direction Period (s) | E 11 | E 9 | — | NW 4 | NW 5 | WNW 5 | SW 7 | WSW 8 | — | E 2 | ESE 4 | ESE 5 | ESE 5 | E 5 | ENE 5 | ENE 5 | ENE 5 | ESE 6 | ESE 6 | ESE 6 |
| kJ | 108 | 1064 | — | 30 | 100 | 8 | 198 | 165 | — | 1 | 24 | 33 | 37 | 55 | 82 | 85 | 59 | 111 | 77 | 77 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 559 | 558 | 538 | 126 | 62 | 0 | 29 | 24 | 24 | 35 | 69 | 35 | 35 | 231 | 571 | 886 | 1459 | 1459 | 1060 | 231 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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