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Surf Forecasts:
Amatu surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 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 12PM is: 1.3m 8s primary swell from a East-southeast direction and 0.9m 10s secondary swell from a East-northeast direction (forecast issued at 08:00am 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) | 4.5ft (1.3m) | 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 3mm), mostly falling on Wed morning. Warm (max 24°C on Wed morning, min 20°C on Tue night). Winds increasing (light winds from the E on Tue night, fresh winds from the SW by Thu night). | ||||||||||||||||||||||||
Tuesday 26 | Wednesday 27 | Thursday 28 | Fri 29 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ENE 11 | ENE 11 | 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 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | S 6 | SSW 6 | SSW 7 | |
245 | 240 | 192 | 202 | 183 | 174 | 170 | 174 | 210 | 295 | 310 | 318 | 291 | 250 | 217 | 201 | 223 | 217 | 171 | 163 | 191 | 171 | 321 | 595 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross-on | cross-on | cross-off | cross-off | cross-off | cross | cross-on | on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | |
High Tide | 1:39PM1.08m | 1:18AM1.28m | 2:46PM1.14m | 1:53AM1.31m | 3:39PM1.20m | 2:25AM1.33m | ||||||||||||||||||
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 | — | — | — | — | — | — | — | 4:26 |
 | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:45 | — | — | 6:45 |
— | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 22 | 23 | 23 | 21 | 20 | 20 | 20 | 21 | 22 | 24 | 24 | 23 | 22 | 21 | 20 | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 22 |
20 | 22 | 23 | 23 | 21 | 21 | 22 | 22 | 23 | 23 | 26 | 26 | 25 | 23 | 22 | 20 | 21 | 21 | 22 | 22 | 21 | 22 | 21 | 19 | |
Swell 1 Height (m) Direction Period (s) | SE 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 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 10 |
 kJ | 178 | 187 | 192 | 202 | 183 | 174 | 170 | 174 | 210 | 295 | 310 | 318 | 291 | 250 | 217 | 201 | 223 | 217 | 171 | 163 | 191 | 167 | 162 | 163 |
Swell 2 Height (m) Direction Period (s) | 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 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 11 | ENE 11 | NE 12 |
| kJ | 245 | 240 | 187 | 180 | 146 | 146 | 143 | 100 | 77 | 51 | 54 | 42 | 64 | 44 | 42 | 40 | 41 | 41 | 42 | 42 | 42 | 44 | 48 | 34 |
Swell 3 Height (m) Direction Period (s) | 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 | — | ESE 10 | ESE 12 | S 16 |
| kJ | 15 | 15 | 8 | 3 | 3 | 3 | 21 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 33 | 31 | — | 10 | 57 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 5 | SW 5 | SSW 4 | S 4 | S 4 | S 6 | S 6 | S 6 | SSW 6 | SSW 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 11 | 7 | 28 | 72 | 124 | 171 | 321 | 595 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 16 | 16 | 16 | 40 | 16 | 24 | 24 | 0 | 0 | 0 | 16 | 24 | 24 | 24 | 24 | 96 | 35 | 24 | 24 | 30 | 184 | 189 | 96 | 75 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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