Surf Forecasts:
How big are the waves at Amatu today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 18ft (5.5m), 13s period with SSE swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 18ft (5.5m), 13s period with SSE swell.
- Evening surf: Evening surf (21 Sep, local time) - 21ft (6.5m), 13s period with SSE swell.
The current surf forecast for Amatu at 7AM is: 4.5m 12s primary swell from a South-southeast direction and 0.6m 11s secondary swell from a East direction (forecast issued at 02:00am September 21). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 18ft (5.5m) | 13s |
| Afternoon (21 Sep) | 18ft (5.5m) | 13s |
| Evening (21 Sep) | 21ft (6.5m) | 13s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 89mm), heaviest during Mon night. Warm (max 27°C on Mon morning, min 21°C on Wed night). Mainly near gales. | ||||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||||||
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) | SSE 12 | SSE 12 | SSE 12 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | ESE 10 | SE 10 | SSE 10 | SSE 9 | S 9 | SSE 8 | SSE 8 | ENE 9 | ENE 9 | SSE 7 | S 7 | ENE 9 | ENE 9 | ENE 9 | ENE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 5123 | 5655 | 5654 | 8899 | 7919 | 9316 | 11671 | 14007 | 13571 | 1959 | 469 | 556 | 495 | 402 | 277 | 229 | 180 | 222 | 73 | 48 | 251 | 65 | 199 | 137 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | off | off | off | glassy | cross-on | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross | cross | cross |
High Tide | 3:07PM1.25m | 00:16AM1.17m | 3:17PM1.32m | 1:39AM1.26m | 3:30PM1.39m | |||||||||||||||||||
Low Tide | 6:50AM0.52m | 8:17PM1.09m | 7:53AM0.45m | 8:43PM0.97m | 8:35AM0.39m | |||||||||||||||||||
 |  |  |  | | | |  | | |  | | | |  |  | | |  | | | |  | | |
 | — | 5:24 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:38 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:36 | — | — |
mm | 7 | 12 | 12 | 7 | 6 | 11 | 5 | 26 | 27 | 3 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 27 | 27 | 26 | 27 | 26 | 25 | 24 | 25 | 26 | 26 | 24 | 23 | 23 | 23 | 22 | 22 | 23 | 24 | 24 | 23 | 23 |
Feels °C | 27 | 28 | 28 | 28 | 27 | 25 | 25 | 22 | 22 | 20 | 26 | 30 | 27 | 25 | 24 | 24 | 23 | 21 | 21 | 21 | 23 | 23 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | SSE 12 | SSE 12 | SSE 12 | SSE 13 | — | — | SSE 13 | SSE 13 | SSE 13 | ESE 10 | E 9 | SSE 10 | SSE 9 | S 9 | SSE 8 | SSE 8 | S 8 | S 8 | SSE 7 | S 7 | S 7 | ENE 9 | S 6 | SSE 6 |
| kJ | 3945 | 4893 | 5654 | 6743 | — | — | 11671 | 14007 | 13571 | 1465 | 430 | 556 | 495 | 402 | 277 | 229 | 145 | 115 | 73 | 48 | 34 | 65 | 20 | 25 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 12 | E 11 | E 11 | — | — | — | — | E 10 | S 12 | SE 10 | ENE 9 | ENE 9 | E 13 | NE 9 | NE 9 | WSW 6 | WSW 6 | SSE 9 | SSE 9 | SSE 9 | S 7 | SSE 9 | E 9 |
| kJ | 71 | 97 | 89 | 87 | — | — | — | — | 1523 | 1959 | 469 | 203 | 121 | 3 | 79 | 81 | 7 | 3 | 8 | 8 | 8 | 23 | 8 | 14 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | E 9 | S 10 | WSW 8 | WSW 8 | WSW 7 | E 13 | E 13 | — | SSE 10 | W 6 | E 10 | E 10 | SSE 9 | E 12 | SSE 9 |
| kJ | — | — | — | — | — | — | — | — | — | 544 | 308 | 26 | 12 | 68 | 3 | 3 | — | 9 | 2 | 8 | 8 | 8 | 3 | 7 |
Wind waves Height (m) Direction Period (s) | SSE 12 | SSE 12 | — | SSE 13 | SSE 13 | SSE 13 | E 9 | E 9 | N 5 | NW 5 | WNW 5 | — | — | ENE 9 | E 4 | E 4 | ENE 9 | ENE 9 | ENE 5 | ENE 5 | ENE 9 | ENE 5 | ENE 9 | ENE 8 |
| kJ | 5123 | 5655 | — | 8899 | 7919 | 9316 | 1288 | 1441 | 167 | 92 | 29 | — | — | 121 | 14 | 16 | 180 | 222 | 88 | 109 | 251 | 43 | 199 | 137 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 40 | 35 | 35 | 842 | 582 | 554 | 554 | 184 | 87 | 62 | 0 | 0 | 190 | 231 | 231 | 231 | 35 | 231 | 231 | 231 | 1459 | 1459 | 1060 | 16 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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