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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Wednesday 06 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
19.4° C
(Which is normal for this time of year)How big are the waves at Mera today?
The current surf forecast for Mera at 12PM is: 1.1m 6s primary swell from a Southeast direction and 0.6m 9s secondary swell from a East-southeast direction, 0.2m 7s secondary swell from a West-southwest direction (forecast issued at 08:00am May 06). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 May) | 2ft (0.6m) | 9s |
| Afternoon (06 May) | 3.5ft (1.1m) | 6s |
| Evening (06 May) | 3ft (0.9m) | 6s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Wed night. Warm (max 20°C on Fri morning, min 16°C on Wed night). Winds increasing (calm on Wed night, near gales from the WSW by Fri night). | ||||||||||||||||||||||||
Wednesday 6 | Thursday 7 | Friday 8 | Sat 9 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SE 6 | ESE 9 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SSE 7 | SSE 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SE 10 | ESE 10 | SSW 6 | SSW 6 | SW 7 | SW 8 | SW 7 | |
58 | 58 | 72 | 83 | 64 | 54 | 69 | 82 | 75 | 91 | 164 | 132 | 124 | 116 | 90 | 133 | 133 | 154 | 135 | 255 | 382 | 905 | 973 | 878 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | on | cross-on | on | glassy | glassy | cross-off | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | |
High Tide | 5:39AM1.31m | 8:16PM1.16m | 6:07AM1.26m | 9:10PM1.11m | 6:40AM1.20m | 10:17PM1.08m | ||||||||||||||||||
Low Tide | 12:57PM0.07m | 1:02AM0.87m | 1:37PM0.14m | 1:42AM0.91m | 2:24PM0.22m | 2:41AM0.93m | ||||||||||||||||||
 | | | | |  | |  | | | |  | |  |  | |  | | | | | | | | |
 | 4:46 | — | — | — | — | — | — | 4:45 | — | — | — | — | — | — | — | 4:43 | — | — | — | — | — | — | — | 4:43 |
 | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:30 | — | — | 6:30 |
— | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 16 | 17 | 18 | 18 | 19 | 19 | 19 | 18 | 18 | 18 | 19 | 20 | 20 | 20 | 18 | 18 | 16 |
14 | 14 | 15 | 15 | 14 | 16 | 17 | 17 | 18 | 19 | 19 | 20 | 18 | 17 | 14 | 15 | 15 | 16 | 15 | 14 | 13 | 9 | 9 | 5 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SSE 7 | SSE 7 | S 7 | S 6 | S 6 | S 6 | SE 10 | ESE 10 | ESE 10 | ESE 10 | SE 11 | SE 11 | SE 10 |
 kJ | 58 | 58 | 56 | 56 | 64 | 54 | 69 | 82 | 75 | 91 | 164 | 132 | 124 | 110 | 86 | 64 | 74 | 154 | 135 | 138 | 141 | 115 | 115 | 112 |
Swell 2 Height (m) Direction Period (s) | SW 7 | SW 7 | WSW 7 | WSW 7 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | — | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SE 10 | — | — | — | N 11 | — | — |
| kJ | 14 | 8 | 5 | 4 | 55 | 54 | 55 | 55 | 57 | 67 | — | 86 | 88 | 116 | 90 | 133 | 133 | 151 | — | — | — | 2 | — | — |
Swell 3 Height (m) Direction Period (s) | SE 11 | — | — | WSW 7 | SW 6 | SW 6 | SW 6 | SW 6 | W 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 19 | — | — | 4 | 2 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 6 | SE 5 | SE 6 | SE 6 | — | — | — | — | NNE 2 | — | — | — | — | — | WSW 3 | WSW 4 | — | S 6 | S 6 | SSW 6 | SSW 6 | SW 7 | SW 8 | SW 7 |
| kJ | 46 | 57 | 72 | 83 | — | — | — | — | 1 | — | — | — | — | — | 4 | 9 | — | 46 | 135 | 255 | 382 | 905 | 973 | 878 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 36 | 64 | 64 | 77 | 80 | 64 | 64 | 0 | 0 | 0 | 36 | 64 | 88 | 73 | 61 | 61 | 61 | 244 | 483 | 244 | 483 | 500 | 500 | 61 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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