
Surf Forecasts:
How big are the waves at Amatu today (09 Sep):
- Morning surf: Morning surf (09 Sep, local time) - 8ft (2.5m), 8s period with SSW swell.
- Afternoon surf: Afternoon surf (09 Sep, local time) - 8ft (2.5m), 9s period with SSW swell.
- Evening surf: Evening surf (09 Sep, local time) - 7.5ft (2.3m), 9s period with SSW swell.
The current surf forecast for Amatu at 8AM is: 2.5m 8s primary swell from a South-southwest direction and 0.5m 10s secondary swell from a East direction, 0.3m 17s secondary swell from a East direction (forecast issued at 02:00am September 09). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Sep) | 8ft (2.5m) | 8s |
| Afternoon (09 Sep) | 8ft (2.5m) | 9s |
| Evening (09 Sep) | 7.5ft (2.3m) | 9s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 39mm), heaviest during Wed night. Warm (max 29°C on Wed morning, min 19°C on Thu morning). Winds decreasing (fresh winds from the SW on Wed morning, light winds from the N by Fri morning). | ||||||||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | ||||||||||||||||||||||
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) | S 8 | S 8 | S 8 | SSW 8 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | S 9 | S 9 | S 8 | NE 7 | NE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 |
Wave Graph | ||||||||||||||||||||||||
636 | 745 | 836 | 1009 | 1033 | 1000 | 929 | 773 | 562 | 386 | 283 | 234 | 189 | 168 | 200 | 202 | 188 | 127 | 102 | 144 | 144 | 140 | 138 | 183 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | 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 | 2:21AM1.46m | 4:12PM1.47m | 3:18AM1.56m | 4:34PM1.51m | 4:07AM1.61m | 4:56PM1.55m | ||||||||||||||||||
Low Tide | 9:08PM1.00m | 9:19AM0.20m | 9:44PM0.84m | 10:00AM0.22m | 10:18PM0.68m | 10:36AM0.27m | ||||||||||||||||||
— | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | |
— | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — | |
mm | 3 | 2 | 1 | 2 | 1 | 1 | 3 | 7 | 6 | 1 | 1 | 2 | 2 | 1 | — | — | 1 | 2 | — | — | — | — | 3 | 3 |
Temp °C | 27 | 27 | 27 | 28 | 29 | 29 | 26 | 22 | 21 | 20 | 20 | 19 | 20 | 21 | 21 | 20 | 20 | 19 | 19 | 20 | 20 | 20 | 21 | 21 |
Feels °C | 27 | 27 | 26 | 27 | 28 | 29 | 29 | 22 | 19 | 18 | 18 | 17 | 20 | 20 | 21 | 19 | 20 | 18 | 19 | 21 | 21 | 21 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | ESE 10 | E 10 | ESE 10 | E 10 | E 10 | SSW 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | ENE 7 | S 8 | S 8 | S 7 | SSW 7 |
34 | 22 | 55 | 49 | 33 | 49 | 48 | 773 | 562 | 386 | 283 | 234 | 161 | 130 | 105 | 103 | 82 | 78 | 72 | 59 | 55 | 55 | 70 | 57 | |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | E 17 | E 17 | E 16 | E 16 | E 16 | ESE 9 | ESE 10 | E 15 | E 15 | E 15 | E 14 | E 15 | E 16 | E 15 | E 14 | E 14 | E 14 | S 8 | E 14 | E 14 | E 14 | E 14 |
25 | 16 | 23 | 52 | 48 | 46 | 46 | 17 | 22 | 70 | 69 | 68 | 66 | 67 | 78 | 104 | 100 | 95 | 97 | 72 | 144 | 140 | 138 | 183 | |
Swell 3 Height (m) Direction Period (s) | E 18 | E 18 | SE 12 | SE 12 | SE 12 | NE 8 | — | E 16 | E 16 | ESE 11 | ESE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | E 14 | ESE 10 | ESE 10 | ESE 10 | SE 10 |
25 | 24 | 6 | 6 | 6 | 18 | — | 45 | 43 | 12 | 11 | 29 | 30 | 29 | 28 | 16 | 16 | 24 | 24 | 144 | 36 | 37 | 36 | 25 | |
Wind waves Height (m) Direction Period (s) | S 8 | S 8 | S 8 | SSW 8 | SSW 9 | SSW 9 | SSW 9 | — | NE 6 | NE 6 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | NE 7 | ENE 6 | ENE 6 | NE 5 | NE 5 |
636 | 745 | 836 | 1009 | 1033 | 1000 | 929 | — | 64 | 167 | 216 | 210 | 189 | 168 | 200 | 202 | 188 | 127 | 102 | 97 | 35 | 31 | 23 | 31 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 540 | 615 | 184 | 540 | 554 | 86 | 12 | 29 | 189 | 96 | 69 | 35 | 35 | 60 | 35 | 35 | 16 | 16 | 6 | 0 | 0 | 0 | 0 | 6 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












