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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 pm Saturday 30 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
22.4° C
(Which is slightly warmer than usual)How big are the waves at Mera today (30 May):
- Afternoon surf: Afternoon surf (30 May, local time) - 3ft (0.9m), 11s period with E swell.
- Evening surf: Evening surf (30 May, local time) - 3ft (0.9m), 10s period with E swell.
The current surf forecast for Mera at 9PM is: 0.9m 10s primary swell from a East direction and 0.6m 6s secondary swell from a Southeast direction (forecast issued at 02:00pm May 30). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | - | - |
| Afternoon (30 May) | 3ft (0.9m) | 11s |
| Evening (30 May) | 3ft (0.9m) | 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 Sun afternoon, min 19°C on Sun night). Winds increasing (calm on Sat night, strong winds from the SW by Sun night). | ||||||||||||||||||||||||
Sat 30 | Sunday 31 | Monday 1 | Tue 2 | |||||||||||||||||||||
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 | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 10 | E 10 | S 12 | S 12 | SSW 6 | S 11 | S 11 | SSW 17 | SSW 16 | SSW 16 | SSW 14 | SSW 14 | SW 15 | SSW 14 | SSW 14 | SSW 14 | |
184 | 184 | 181 | 174 | 171 | 171 | 167 | 161 | 136 | 125 | 136 | 171 | 160 | 154 | 151 | 249 | 298 | 654 | 443 | 678 | 530 | 788 | 1175 | 1143 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | on | on | on | glassy | cross | cross | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | |
High Tide | 5:01PM1.30m | 3:17AM1.39m | 5:38PM1.32m | 3:49AM1.40m | 6:14PM1.32m | 4:22AM1.39m | ||||||||||||||||||
Low Tide | 9:56AM0.06m | 9:58PM0.86m | 10:29AM0.01m | 10:36PM0.87m | 11:02AM-0.00m | 11:12PM0.87m | ||||||||||||||||||
 | | |  |  | |  |  | | | |  | | | | | | | | | | | | | |
 | — | — | — | — | — | 4:28 | — | — | — | — | — | — | — | 4:28 | — | — | — | — | — | — | — | 4:28 | — | — |
 | — | — | 6:46 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | 6:49 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 22 | 22 | 21 | 21 | 21 | 22 | 23 | 24 | 23 | 19 | 19 | 19 | 19 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
23 | 22 | 21 | 22 | 20 | 20 | 22 | 22 | 22 | 24 | 22 | 14 | 15 | 16 | 18 | 21 | 20 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | |
Swell 1 Height (m) Direction Period (s) | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 10 | E 10 | E 10 | S 12 | S 11 | S 11 | S 11 | S 11 | SSW 16 | SSW 16 | SSW 14 | SSW 14 | SSW 13 | SSW 14 | SSW 14 | SSW 14 |
 kJ | 184 | 184 | 181 | 174 | 171 | 171 | 167 | 161 | 136 | 125 | 127 | 171 | 160 | 154 | 151 | 114 | 298 | 654 | 443 | 678 | 461 | 788 | 1175 | 1143 |
Swell 2 Height (m) Direction Period (s) | E 5 | SSE 6 | SE 6 | SE 6 | SE 6 | SSE 6 | SW 6 | SW 6 | S 13 | S 12 | S 12 | E 10 | E 10 | E 10 | E 10 | E 10 | S 11 | E 10 | SW 18 | SW 18 | SW 15 | SW 16 | E 10 | E 9 |
| kJ | 27 | 25 | 30 | 29 | 20 | 11 | 11 | 10 | 87 | 75 | 136 | 96 | 94 | 100 | 66 | 68 | 108 | 66 | 252 | 327 | 530 | 395 | 65 | 62 |
Swell 3 Height (m) Direction Period (s) | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | S 15 | SSE 6 | SW 6 | SSE 6 | SSW 14 | SE 12 | SE 12 | SW 18 | SW 17 | SSW 17 | E 10 | SE 11 | E 10 | E 10 | E 10 | E 10 | SE 12 | SE 11 |
| kJ | 30 | 30 | 16 | 16 | 16 | 11 | 19 | 6 | 10 | 13 | 40 | 23 | 22 | 13 | 72 | 249 | 68 | 20 | 64 | 64 | 66 | 65 | 21 | 20 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SW 3 | SW 3 | S 6 | — | — | SW 6 | SW 3 | SW 5 | SSW 6 | SSW 6 | SW 6 | SW 5 | SW 5 | SW 4 | SW 4 | SW 4 | — | — | — | — |
| kJ | — | — | — | — | 1 | 2 | 17 | — | — | 6 | 4 | 74 | 144 | 127 | 92 | 47 | 25 | 16 | 10 | 6 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 47 | 64 | 64 | 64 | 64 | 36 | 0 | 12 | 12 | 14 | 36 | 61 | 61 | 61 | 36 | 36 | 64 | 64 | 88 | 69 | 61 | 69 | 61 | 64 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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