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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Monday 25 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
20.6° C
(Which is slightly cooler than normal)How big are the waves at Mera today?
The current surf forecast for Mera at 4AM is: 1.3m 8s primary swell from a East-southeast direction (forecast issued at 08:00pm May 25). An open ocean swell of 1.0m 11s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 May) | 4ft (1.2m) | 8s |
| Afternoon (26 May) | 4ft (1.2m) | 8s |
| Evening (26 May) | 3.5ft (1.1m) | 8s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 23°C on Wed afternoon, min 20°C on Mon night). Winds increasing (light winds from the ESE on Wed night, fresh winds from the S by Thu afternoon). | ||||||||||||||||||||||||
Mon 25 | Tuesday 26 | Wednesday 27 | Thursday 28 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | E 8 | |
213 | 204 | 178 | 158 | 187 | 174 | 171 | 188 | 179 | 149 | 170 | 208 | 208 | 214 | 214 | 220 | 191 | 181 | 151 | 131 | 181 | 144 | 147 | 144 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross | cross-off | on | on | cross-on | cross-on | on | on | |
High Tide | 00:34AM1.19m | 1:37PM1.05m | 1:08AM1.24m | 2:46PM1.13m | 1:40AM1.29m | |||||||||||||||||||
Low Tide | 5:55PM0.58m | 7:23AM0.53m | 6:56PM0.68m | 8:08AM0.37m | 7:50PM0.76m | 8:46AM0.24m | ||||||||||||||||||
 |  |  | |  | | | | | | |  | | |  | | | | | | | | | | |
 | — | — | — | 4:31 | — | — | — | — | — | — | — | 4:30 | — | — | — | — | — | — | — | 4:30 | — | — | — | — |
 | 6:43 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | 6:45 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 21 | 20 | 20 | 20 | 20 | 21 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 22 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 |
21 | 20 | 21 | 20 | 19 | 21 | 22 | 22 | 21 | 22 | 22 | 22 | 22 | 22 | 23 | 24 | 25 | 25 | 25 | 23 | 23 | 21 | 20 | 20 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ENE 10 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | E 8 |
 kJ | 213 | 204 | 178 | 158 | 187 | 174 | 171 | 188 | 104 | 149 | 170 | 208 | 208 | 214 | 214 | 220 | 191 | 181 | 151 | 131 | 181 | 144 | 147 | 144 |
Swell 2 Height (m) Direction Period (s) | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ESE 15 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 11 | ENE 10 | NE 10 | NE 10 | NE 10 | ENE 10 | ENE 10 |
| kJ | 273 | 273 | 217 | 254 | 206 | 198 | 191 | 146 | 21 | 143 | 102 | 75 | 74 | 48 | 56 | 42 | 40 | 44 | 41 | 26 | 27 | 27 | 21 | 21 |
Swell 3 Height (m) Direction Period (s) | SW 8 | S 7 | S 7 | S 7 | S 7 | S 7 | ESE 15 | ESE 15 | SE 11 | 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 | 17 | 27 | 25 | 23 | 15 | 8 | 22 | 22 | 4 | 3 | 21 | 20 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 32 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | ENE 10 | ESE 8 | — | — | — | — | — | — | — | — | — | — | — | — | SW 4 | SSW 4 | S 5 |
| kJ | — | — | — | — | — | — | — | 286 | 179 | — | — | — | — | — | — | — | — | — | — | — | — | 13 | 21 | 55 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 47 | 0 | 36 | 64 | 64 | 64 | 88 | 88 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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