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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Sunday 24 May 2026 JSTForecast update in hr min s Forecast update imminent
Mera surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mera sea temperature is
20.7° C
(Which is slightly cooler than normal)How big are the waves at Mera today?
The current surf forecast for Mera at 3AM is: 1.4m 7s primary swell from a Southeast direction and 0.2m 11s secondary swell from a East-southeast direction (forecast issued at 08:00pm May 24). An open ocean swell of 1.2m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 4.5ft (1.3m) | 8s |
| Afternoon (25 May) | 5ft (1.5m) | 8s |
| Evening (25 May) | 4.5ft (1.3m) | 8s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Wed morning. Warm (max 22°C on Tue morning, min 20°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 24 | Monday 25 | Tuesday 26 | Wednesday 27 | |||||||||||||||||||||
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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
E 9 | E 9 | E 9 | SE 7 | SE 8 | SE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | |
293 | 235 | 251 | 215 | 244 | 200 | 240 | 240 | 240 | 204 | 178 | 183 | 187 | 191 | 196 | 185 | 191 | 202 | 173 | 173 | 153 | 167 | 172 | 172 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | |
High Tide | 11:56PM1.16m | 12:00PM1.00m | 00:34AM1.19m | 1:37PM1.05m | 1:08AM1.24m | 2:46PM1.13m | ||||||||||||||||||
Low Tide | 4:48PM0.45m | 6:23AM0.70m | 5:55PM0.58m | 7:23AM0.53m | 6:56PM0.68m | 8:08AM0.37m | ||||||||||||||||||
 |  | | |  | | | | |  | |  |  | | | | | | | |  | | | | |
 | — | — | — | 4:31 | — | — | — | — | — | — | — | 4:31 | — | — | — | — | — | — | — | 4:30 | — | — | — | — |
 | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | 6:45 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 1 | |
Temp °C | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 21 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
19 | 19 | 18 | 18 | 19 | 20 | 20 | 20 | 21 | 20 | 21 | 20 | 20 | 20 | 22 | 22 | 22 | 21 | 22 | 22 | 23 | 23 | 23 | 23 | |
Swell 1 Height (m) Direction Period (s) | SE 7 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | ENE 11 | ENE 11 | ENE 11 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ENE 10 | ENE 10 | ENE 10 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 |
 kJ | 153 | 198 | 217 | 215 | 244 | 200 | 206 | 263 | 273 | 204 | 178 | 183 | 187 | 191 | 155 | 116 | 106 | 202 | 173 | 173 | 153 | 167 | 172 | 172 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | E 9 | ESE 11 | ESE 11 | ESE 11 | ENE 10 | SSW 9 | SSW 8 | SW 8 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ESE 15 | ESE 15 | ESE 15 | ENE 10 | ENE 10 | ENE 10 | S 6 | S 6 | S 6 | S 6 |
| kJ | 11 | 235 | 11 | 12 | 12 | 312 | 8 | 14 | 17 | 273 | 263 | 254 | 206 | 164 | 22 | 22 | 21 | 106 | 78 | 77 | 29 | 36 | 36 | 27 |
Swell 3 Height (m) Direction Period (s) | — | — | E 16 | E 16 | E 16 | ESE 11 | E 16 | SSW 9 | E 16 | S 7 | S 7 | S 7 | S 7 | ESE 15 | — | SE 10 | SE 10 | ESE 15 | ESE 14 | ESE 14 | ENE 10 | ENE 10 | ENE 10 | ENE 11 |
| kJ | — | — | 5 | 5 | 5 | 12 | 5 | 15 | 5 | 27 | 24 | 23 | 15 | 22 | — | 4 | 4 | 21 | 21 | 20 | 56 | 54 | 39 | 44 |
Wind waves Height (m) Direction Period (s) | E 9 | — | E 9 | ENE 9 | ENE 10 | — | ESE 8 | ESE 8 | ESE 8 | — | — | — | — | — | ESE 7 | ESE 7 | ESE 7 | — | — | — | — | — | — | — |
| kJ | 293 | — | 251 | 254 | 230 | — | 240 | 240 | 240 | — | — | — | — | — | 196 | 185 | 191 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 14 | 14 | 14 | 0 | 0 | 0 | 14 | 14 | 0 | 0 | 0 | 73 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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