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Surf Forecasts:
Amatu surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 am Tuesday 26 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
20.9° C
(Which is normal for this time of year)How big are the waves at Amatu today?
The current surf forecast for Amatu at 5AM is: 1.0m 11s primary swell from a East-northeast direction and 1.3m 8s secondary swell from a East-southeast direction (forecast issued at 02:00am May 26). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 May) | 3.5ft (1.0m) | 11s |
| Afternoon (26 May) | 4ft (1.2m) | 8s |
| Evening (26 May) | 4ft (1.2m) | 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 5mm), mostly falling on Wed morning. Warm (max 25°C on Wed afternoon, min 20°C on Tue night). Winds increasing (light winds from the SSE on Wed afternoon, fresh winds from the SW by Thu night). | ||||||||||||||||||||||||
Tuesday 26 | Wednesday 27 | Thursday 28 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
ENE 11 | ENE 11 | ENE 11 | ENE 11 | ESE 8 | ESE 8 | ENE 10 | ESE 8 | ESE 8 | ESE 7 | 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 | S 7 | |
254 | 249 | 245 | 240 | 192 | 188 | 180 | 174 | 196 | 208 | 259 | 310 | 310 | 318 | 250 | 232 | 232 | 206 | 176 | 192 | 171 | 137 | 196 | 196 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-off | cross-off | cross-off | cross | on | on | cross-on | cross | cross-on | cross-on | on | cross-on | on | cross-on | cross-on | |
High Tide | 00:40AM1.24m | 1:39PM1.08m | 1:18AM1.28m | 2:46PM1.14m | 1:53AM1.31m | 3:39PM1.20m | ||||||||||||||||||
Low Tide | 7:30AM0.56m | 7:02PM0.68m | 8:15AM0.41m | 7:57PM0.74m | 8:52AM0.28m | 8:46PM0.79m | ||||||||||||||||||
 | |  |  | | | | | | |  | |  | | |  | | | | |  | | | | |
 | — | 4:28 | — | — | — | — | — | — | — | 4:28 | — | — | — | — | — | — | — | 4:28 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:45 | — |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | 1 | 1 | 1 | — | |
Temp °C | 19 | 19 | 20 | 22 | 23 | 22 | 21 | 20 | 20 | 20 | 21 | 22 | 24 | 25 | 23 | 22 | 21 | 20 | 20 | 21 | 22 | 22 | 22 | 23 |
20 | 20 | 20 | 22 | 22 | 21 | 21 | 21 | 21 | 22 | 23 | 23 | 25 | 27 | 25 | 23 | 21 | 19 | 20 | 22 | 23 | 22 | 22 | 23 | |
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 | ESE 7 | 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 8 |
 kJ | 193 | 183 | 203 | 187 | 192 | 188 | 157 | 174 | 196 | 208 | 259 | 310 | 310 | 318 | 250 | 232 | 232 | 206 | 176 | 192 | 171 | 137 | 196 | 171 |
Swell 2 Height (m) Direction Period (s) | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 11 |
| kJ | 254 | 249 | 245 | 240 | 187 | 180 | 180 | 146 | 104 | 75 | 56 | 41 | 55 | 42 | 64 | 43 | 41 | 40 | 40 | 41 | 41 | 42 | 42 | 45 |
Swell 3 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 7 | S 7 | S 6 | S 6 | S 6 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | — | — |
| kJ | 26 | 15 | 15 | 15 | 8 | 3 | 3 | 3 | 21 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 31 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 3 | S 5 | SW 3 | S 3 | S 4 | S 5 | S 6 | S 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 4 | 6 | 11 | 64 | 123 | 196 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 40 | 16 | 16 | 40 | 40 | 16 | 24 | 24 | 0 | 0 | 0 | 16 | 24 | 24 | 24 | 96 | 127 | 30 | 24 | 24 | 24 | 127 | 75 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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