
Surf Forecasts:
How big are the waves at Amatu today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 11ft (3.5m), 15s period with SE swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 11ft (3.5m), 13s period with SE swell.
- Evening surf: Evening surf (19 Sep, local time) - 10ft (3.0m), 13s period with SE swell.
The current surf forecast for Amatu at 9AM is: 3.5m 15s primary swell from a Southeast direction and 0.7m 10s secondary swell from a East direction, 1.7m 8s secondary swell from a East-northeast direction (forecast issued at 02:00am September 19). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 11ft (3.5m) | 15s |
| Afternoon (19 Sep) | 11ft (3.5m) | 13s |
| Evening (19 Sep) | 10ft (3.0m) | 13s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 187mm), heaviest during Mon night. Warm (max 27°C on Mon morning, min 20°C on Sun morning). Winds increasing (light winds from the NE on Sun night, gales from the N by Mon night). | ||||||||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | ||||||||||||||||||||||
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) | SE 14 | SE 13 | SE 16 | SE 15 | SE 14 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 | SE 11 | SSE 12 | SSE 12 | SSE 12 | SSE 13 | SSE 13 | SSE 13 | SSE 14 | SSE 14 |
Wave Graph | ||||||||||||||||||||||||
1036 | 1438 | 4888 | 4890 | 4527 | 3975 | 3489 | 3242 | 3225 | 3184 | 2693 | 2598 | 2386 | 2413 | 2097 | 2833 | 3609 | 4374 | 5093 | 6570 | 6868 | 7456 | 12513 | 15566 | |
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 | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross | cross | cross-off |
High Tide | 7:42PM1.30m | 4:05PM1.18m | 8:17PM1.20m | 3:07PM1.25m | ||||||||||||||||||||
Low Tide | 3:23AM0.51m | 5:06AM0.55m | 4:28PM1.18m | 6:50AM0.52m | 8:17PM1.09m | |||||||||||||||||||
— | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | |
— | — | — | — | — | 5:40 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:38 | — | — | |
mm | — | — | — | — | — | 1 | 1 | — | 1 | 1 | 4 | 11 | 25 | 13 | 10 | 7 | 5 | 7 | 7 | 6 | 5 | 16 | 13 | 34 |
Temp °C | 20 | 20 | 21 | 22 | 24 | 23 | 22 | 22 | 23 | 23 | 21 | 20 | 21 | 21 | 21 | 22 | 22 | 24 | 25 | 26 | 27 | 26 | 26 | 23 |
Feels °C | 18 | 18 | 19 | 21 | 23 | 23 | 22 | 23 | 24 | 23 | 21 | 18 | 19 | 19 | 19 | 21 | 23 | 28 | 29 | 28 | 28 | 25 | 24 | 15 |
Swell 1 Height (m) Direction Period (s) | SE 14 | SE 13 | SE 16 | SE 15 | SE 14 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 | SE 11 | SSE 12 | SSE 12 | SSE 12 | SSE 13 | SSE 13 | SSE 13 | SSE 14 | SSE 14 |
1036 | 1438 | 4888 | 4890 | 4527 | 3975 | 3489 | 3242 | 3225 | 3184 | 2693 | 2598 | 2386 | 2413 | 2097 | 2833 | 3609 | 4374 | 5093 | 6570 | 6868 | 7456 | 12513 | 15566 | |
Swell 2 Height (m) Direction Period (s) | E 11 | SSE 17 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 10 | NE 8 | — | E 14 | E 14 | E 13 | E 13 | E 12 | E 12 | E 12 | E 11 | E 11 | E 11 | — | — | E 10 |
61 | 963 | 53 | 92 | 96 | 125 | 161 | 158 | 160 | 51 | — | 15 | 15 | 30 | 30 | 47 | 71 | 97 | 116 | 114 | 110 | — | — | 911 | |
Swell 3 Height (m) Direction Period (s) | SE 22 | E 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 12 | — | NNE 6 | — | — | — | — |
18 | 61 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 179 | — | 24 | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 10 | ENE 10 | ENE 10 | NE 8 | — | NE 8 | NE 8 | NE 5 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | — | — | — | — | — | NNE 7 |
394 | 374 | 356 | 374 | 302 | 394 | 378 | 226 | 93 | — | 42 | 21 | 114 | 199 | 143 | 251 | 172 | 124 | — | — | — | — | — | 1009 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 519 | 279 | 190 | 537 | 804 | 35 | 35 | 35 | 35 | 35 | 35 | 601 | 601 | 601 | 601 | 601 | 558 | 558 | 40 | 40 | 558 | 558 | 184 | 126 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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