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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Sunday 26 Apr 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
20.8° C
(Which is 1.8°C warmer than normal for this time of year)How big are the waves at Mera today?
The current surf forecast for Mera at 5AM is: 1.7m 6s primary swell from a East-southeast direction (forecast issued at 08:00pm April 26). An open ocean swell of 0.2m 13s is not directed at the surf break, a second open ocean swell of 0.2m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | 5.5ft (1.7m) | 7s |
| Afternoon (27 Apr) | 4.5ft (1.3m) | 7s |
| Evening (27 Apr) | 4ft (1.2m) | 7s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 34mm), heaviest during Sun night. Warm (max 20°C on Wed afternoon, min 15°C on Mon afternoon). Winds increasing (light winds from the SE on Mon night, strong winds from the SW by Tue night). | ||||||||||||||||||||||||
Sun 26 | Monday 27 | Tuesday 28 | Wednesday 29 | |||||||||||||||||||||
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 6 | ESE 6 | ESE 6 | SE 12 | SE 6 | SE 7 | SSE 7 | SE 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | E 8 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | |
94 | 94 | 103 | 6 | 230 | 248 | 262 | 176 | 108 | 139 | 111 | 90 | 61 | 53 | 42 | 43 | 35 | 133 | 269 | 269 | 248 | 228 | 205 | 141 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | off | cross | cross | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross-on | on | on | |
High Tide | 2:04AM1.15m | 1:50PM1.07m | 2:28AM1.20m | 2:52PM1.16m | 2:50AM1.26m | |||||||||||||||||||
Low Tide | 7:00PM0.39m | 8:11AM0.64m | 7:57PM0.43m | 8:46AM0.45m | 8:41PM0.49m | 9:18AM0.29m | ||||||||||||||||||
 |  | |  |  |  | | | |  |  |  |  | | | |  | | | | | | | | |
 | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:52 | — | — | — | — |
 | 6:21 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | 6:22 |
— | — | — | 7 | 17 | 9 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 18 | 18 | 17 | 18 | 16 | 17 | 16 | 15 | 16 | 16 | 16 | 17 | 18 | 19 | 19 | 18 | 19 | 19 | 19 | 19 | 18 | 19 | 20 |
16 | 16 | 16 | 14 | 14 | 12 | 13 | 11 | 10 | 14 | 15 | 14 | 14 | 15 | 17 | 15 | 11 | 13 | 12 | 13 | 14 | 16 | 16 | 17 | |
Swell 1 Height (m) Direction Period (s) | NE 14 | NE 13 | NE 13 | ENE 13 | ENE 13 | SE 7 | SSE 7 | SE 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 |
 kJ | 47 | 28 | 27 | 17 | 17 | 248 | 262 | 176 | 108 | 139 | 111 | 90 | 61 | 53 | 40 | 29 | 29 | 20 | 27 | 27 | 26 | 26 | 25 | 26 |
Swell 2 Height (m) Direction Period (s) | SE 13 | ESE 13 | ENE 8 | ENE 8 | ENE 8 | ENE 13 | ENE 12 | SSW 7 | SE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 8 | E 8 | SE 7 | SSE 7 | SSE 7 | ENE 8 | NE 8 | NE 10 | NE 10 | NE 9 | NE 8 |
| kJ | 7 | 17 | 7 | 7 | 7 | 16 | 15 | 102 | 107 | 72 | 50 | 44 | 31 | 32 | 42 | 13 | 18 | 18 | 6 | 2 | 4 | 4 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | SW 7 | SW 6 | SE 13 | SE 12 | SE 12 | ENE 8 | NE 9 | NE 12 | ENE 8 | NNW 4 | ENE 6 | ENE 7 | NE 8 | ENE 8 | SE 7 | ENE 7 | NE 7 | ENE 7 | SE 11 | NE 9 | SE 11 | SE 11 | SE 11 | SE 11 |
| kJ | 2 | 2 | 6 | 6 | 6 | 7 | 3 | 6 | 6 | 5 | 23 | 21 | 17 | 11 | 2 | 5 | 13 | 5 | 5 | 3 | 5 | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | ESE 6 | ESE 6 | ESE 6 | SE 6 | SE 6 | SW 7 | NW 4 | NNW 4 | N 4 | NE 4 | — | — | — | — | SSE 3 | SSW 6 | SW 4 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 |
| kJ | 94 | 94 | 103 | 176 | 230 | 2 | 14 | 11 | 14 | 5 | — | — | — | — | 2 | 43 | 35 | 133 | 269 | 269 | 248 | 228 | 205 | 141 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 14 | 14 | 47 | 47 | 70 | 12 | 50 | 50 | 0 | 33 | 47 | 64 | 64 | 64 | 64 | 767 | 811 | 244 | 59 | 36 | 33 | 35 | 40 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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