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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 am Friday 29 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
21.5° C
(Which is normal for this time of year)How big are the waves at Mera today (29 May):
- Morning surf: Morning surf (29 May, local time) - 7ft (2.1m), 7s period with SW swell.
- Afternoon surf: Afternoon surf (29 May, local time) - 6ft (1.9m), 7s period with SW swell.
- Evening surf: Evening surf (29 May, local time) - 4.5ft (1.4m), 10s period with E swell.
The current surf forecast for Mera at 5AM is: 2.3m 7s primary swell from a Southwest direction and 1.0m 10s secondary swell from a East direction (forecast issued at 02:00am May 29). An open ocean swell of 0.1m 12s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 May) | 7ft (2.1m) | 7s |
| Afternoon (29 May) | 6ft (1.9m) | 7s |
| Evening (29 May) | 4.5ft (1.4m) | 10s |
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 24°C on Fri morning, min 21°C on Fri night). Winds decreasing (fresh winds from the E on Fri afternoon, calm by Sat morning). | ||||||||||||||||||||||||
Friday 29 | Saturday 30 | Sunday 31 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | E 10 | E 10 | SW 7 | E 11 | E 11 | ESE 11 | E 11 | E 11 | E 11 | ESE 10 | E 10 | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | S 12 | |
286 | 466 | 623 | 440 | 371 | 362 | 216 | 347 | 102 | 146 | 146 | 191 | 184 | 184 | 181 | 180 | 171 | 171 | 167 | 161 | 167 | 167 | 176 | 132 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | glassy | cross-on | cross-on | cross-on | cross-on | on | on | glassy | on | cross-on | on | on | |
High Tide | 2:12AM1.34m | 4:22PM1.26m | 2:44AM1.37m | 5:01PM1.30m | 3:17AM1.39m | 5:38PM1.32m | ||||||||||||||||||
Low Tide | 9:22AM0.13m | 9:19PM0.84m | 9:56AM0.06m | 9:58PM0.86m | 10:29AM0.01m | |||||||||||||||||||
 |  |  | | |  | | | |  | | | | | | | | | |  | | | | | |
 | — | 4:28 | — | — | — | — | — | — | — | 4:28 | — | — | — | — | — | — | — | 4:28 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:46 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 22 | 22 | 23 | 24 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 22 | 23 | 22 | 22 | 21 | 21 | 21 | 21 | 22 | 22 | 23 | 23 |
21 | 17 | 19 | 24 | 26 | 20 | 19 | 18 | 19 | 20 | 21 | 21 | 23 | 23 | 21 | 21 | 20 | 21 | 22 | 22 | 23 | 21 | 22 | 22 | |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | E 11 | ESE 6 | ESE 11 | E 11 | E 11 | E 11 | ESE 10 | E 10 | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | E 10 |
 kJ | 226 | 188 | 148 | 148 | 295 | 248 | 211 | 171 | 102 | 146 | 50 | 191 | 184 | 184 | 181 | 180 | 171 | 171 | 167 | 161 | 167 | 167 | 176 | 127 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | ENE 11 | NE 12 | ESE 12 | E 10 | ESE 10 | ENE 11 | ENE 11 | SSE 7 | SW 7 | E 11 | ESE 5 | SE 6 | SE 6 | SE 6 | SSE 6 | S 6 | SSE 6 | SSE 6 | SW 6 | S 13 | S 12 | S 12 | S 12 |
| kJ | 59 | 47 | 6 | 15 | 145 | 150 | 12 | 12 | 4 | 48 | 146 | 27 | 45 | 35 | 30 | 21 | 18 | 11 | 11 | 10 | 90 | 75 | 139 | 132 |
Swell 3 Height (m) Direction Period (s) | — | S 16 | S 15 | ENE 11 | ENE 11 | ENE 11 | S 14 | S 14 | ENE 11 | S 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SSE 6 | SW 6 | SSW 16 | S 15 | SSW 14 |
| kJ | — | 5 | 4 | 13 | 12 | 13 | 4 | 4 | 12 | 7 | 31 | 31 | 13 | 23 | 17 | 17 | 16 | 11 | 11 | 6 | 10 | 80 | 118 | 118 |
Wind waves Height (m) Direction Period (s) | SSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | E 10 | E 10 | E 6 | E 6 | — | — | — | — | — | — | — | — | — | — | — | SW 6 | SW 6 | SW 4 |
| kJ | 286 | 466 | 623 | 440 | 371 | 362 | 216 | 347 | 166 | 98 | — | — | — | — | — | — | — | — | — | — | — | 13 | 9 | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 64 | 148 | 61 | 60 | 33 | 12 | 12 | 47 | 148 | 50 | 50 | 73 | 0 | 0 | 0 | 64 | 64 | 64 | 64 | 64 | 36 | 36 | 36 | 64 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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