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Amatu surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Wednesday 27 May 2026 JSTForecast update in hr min s Forecast update imminent
Amatu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Amatu sea temperature is
21.1° C
(Which is normal for this time of year)How big are the waves at Amatu today?
The current surf forecast for Amatu at 1PM is: 1.4m 8s primary swell from a East-southeast direction and 0.4m 10s secondary swell from a East-northeast direction (forecast issued at 08:00am May 27). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | 4.5ft (1.4m) | 8s |
| Afternoon (27 May) | 4.5ft (1.4m) | 8s |
| Evening (27 May) | 4.5ft (1.3m) | 8s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Fri afternoon. Warm (max 25°C on Fri morning, min 20°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | E 9 | SSW 7 | SSW 7 | SW 7 | SW 7 | ESE 9 | E 9 | E 9 | ESE 10 | E 11 | |
215 | 264 | 270 | 277 | 244 | 216 | 171 | 176 | 212 | 243 | 261 | 211 | 221 | 232 | 287 | 257 | 294 | 352 | 387 | 189 | 176 | 180 | 150 | 184 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | on | cross-on | cross | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | glassy | glassy | cross | cross-on | cross-on | cross-on | cross-on | |
High Tide | 2:46PM1.14m | 1:53AM1.31m | 3:39PM1.20m | 2:25AM1.33m | 4:25PM1.25m | 2:55AM1.34m | ||||||||||||||||||
Low Tide | 8:15AM0.41m | 7:57PM0.74m | 8:52AM0.28m | 8:46PM0.79m | 9:27AM0.17m | 9:29PM0.82m | ||||||||||||||||||
 | | | |  |  | | | | | | | | | |  |  | | |  | | |  | | |
 | 4:28 | — | — | — | — | — | — | 4:28 | — | — | — | — | — | — | — | 4:26 | — | — | — | — | — | — | — | 4:26 |
 | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | 6:45 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | |
Temp °C | 20 | 23 | 24 | 24 | 22 | 21 | 21 | 20 | 21 | 21 | 22 | 23 | 22 | 22 | 22 | 21 | 22 | 25 | 24 | 22 | 21 | 20 | 21 | 21 |
21 | 24 | 25 | 25 | 24 | 22 | 20 | 20 | 22 | 22 | 24 | 26 | 25 | 24 | 23 | 20 | 23 | 28 | 27 | 22 | 21 | 20 | 21 | 21 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ENE 10 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | E 9 | ESE 9 | ESE 9 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | ESE 10 | E 11 |
 kJ | 215 | 264 | 270 | 277 | 244 | 216 | 171 | 176 | 212 | 42 | 261 | 211 | 221 | 232 | 287 | 248 | 211 | 215 | 178 | 144 | 148 | 134 | 150 | 184 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ESE 13 | ENE 10 | ENE 10 | ENE 10 | S 6 | S 16 | NE 11 | NE 12 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | SW 7 | SW 7 |
| kJ | 77 | 52 | 55 | 42 | 43 | 63 | 42 | 41 | 41 | 17 | 42 | 42 | 41 | 76 | 5 | 31 | 34 | 177 | 185 | 189 | 176 | 180 | 79 | 33 |
Swell 3 Height (m) Direction Period (s) | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | — | ESE 13 | ESE 13 | W 9 | ENE 10 | S 16 | S 16 | S 15 | NE 12 | NE 12 | NE 12 | NE 11 | NE 11 | ENE 11 | S 7 |
| kJ | 20 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | — | 17 | 31 | 1 | 43 | 5 | 5 | 4 | 35 | 35 | 35 | 19 | 19 | 12 | 15 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | S 5 | SSW 4 | S 4 | — | ESE 8 | — | S 5 | S 6 | — | SSW 7 | SSW 7 | SSW 7 | SW 7 | SW 7 | — | E 3 | E 4 | ESE 5 | ESE 6 |
| kJ | — | — | — | — | — | 1 | 10 | 13 | — | 243 | — | 17 | 40 | — | 167 | 257 | 294 | 352 | 387 | — | 4 | 29 | 69 | 103 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 16 | 24 | 24 | 24 | 190 | 30 | 24 | 24 | 30 | 24 | 24 | 24 | 30 | 30 | 6 | 0 | 0 | 35 | 117 | 30 | 35 | 24 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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