Surf Forecasts:
How big are the waves at Mera today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 3.5ft (1.0m), 10s period with E swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 3ft (0.9m), 10s period with SW swell.
- Evening surf: Evening surf (12 Aug, local time) - 3.5ft (1.0m), 9s period with E swell.
The current surf forecast for Mera at 1AM is: 1.4m 6s primary swell from a Southwest direction and 0.7m 10s secondary swell from a Southwest direction (forecast issued at 08:00pm August 11). An open ocean swell of 1.3m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 3.5ft (1.0m) | 10s |
| Afternoon (12 Aug) | 3ft (0.9m) | 10s |
| Evening (12 Aug) | 3.5ft (1.0m) | 9s |
Table - waves today at Mera. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 79mm), heaviest during Tue night. Warm (max 27°C on Wed afternoon, min 23°C on Wed night). Winds decreasing (strong winds from the SSW on Tue night, light winds from the ENE by Thu afternoon). | ||||||||||||||||||
Tue 11 | Wednesday 12 | Thursday 13 | ||||||||||||||||
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 |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | SW 11 | SW 10 | SW 6 | E 11 | E 10 | E 10 | SSW 11 | E 10 | E 10 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 487 | 664 | 128 | 281 | 202 | 198 | 196 | 160 | 183 | 171 | 246 | 251 | 262 | 354 | 361 | 386 | 461 | 402 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off |
High Tide | 4:56PM1.46m | 3:10AM1.54m | 5:22PM1.49m | 4:02AM1.60m | 5:47PM1.51m | |||||||||||||
Low Tide | 9:54PM1.01m | 10:19AM0.00m | 10:33PM0.88m | 10:58AM0.02m | ||||||||||||||
 |  |  |  | | | | | | | |  |  | | |  | | | |
 | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — |
 | 6:34 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:31 | — |
mm | 2 | 6 | 21 | 11 | 1 | 3 | 4 | 3 | 4 | 3 | 1 | — | — | — | 1 | — | 1 | 3 |
Temp °C | 26 | 25 | 24 | 24 | 25 | 26 | 26 | 27 | 26 | 25 | 23 | 24 | 24 | 25 | 27 | 27 | 27 | 26 |
Feels °C | 24 | 22 | 20 | 24 | 26 | 24 | 24 | 28 | 27 | 26 | 24 | 24 | 25 | 26 | 29 | 29 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | ENE 12 | ENE 12 | ENE 11 | SW 6 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 876 | 743 | 430 | 98 | 202 | 198 | 151 | 148 | 183 | 171 | 246 | 251 | 262 | 354 | 361 | 386 | 461 | 402 |
Swell 2 Height (m) Direction Period (s) | SE 13 | SE 13 | SW 10 | E 11 | SW 6 | SW 11 | SSW 11 | SW 10 | SW 10 | SSW 10 | S 5 | SW 10 | SW 10 | SSW 10 | SSW 10 | SW 10 | SW 10 | SW 10 |
| kJ | 27 | 26 | 104 | 281 | 85 | 116 | 196 | 160 | 154 | 133 | 34 | 102 | 102 | 125 | 125 | 98 | 96 | 92 |
Swell 3 Height (m) Direction Period (s) | — | — | SSW 10 | SW 10 | SSW 11 | SW 6 | SW 6 | S 5 | S 5 | S 6 | SW 10 | S 6 | S 5 | — | SE 12 | SSE 12 | SSE 12 | SSE 12 |
| kJ | — | — | 85 | 87 | 88 | 31 | 8 | 11 | 19 | 24 | 104 | 29 | 14 | — | 5 | 14 | 13 | 14 |
Wind waves Height (m) Direction Period (s) | SW 11 | SW 10 | SW 6 | — | E 6 | ESE 6 | E 6 | E 6 | E 6 | ESE 5 | — | — | NE 3 | NE 4 | — | — | — | ENE 3 |
| kJ | 487 | 664 | 128 | — | 20 | 90 | 108 | 83 | 66 | 47 | — | — | 3 | 13 | — | — | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 36 | 61 | 153 | 70 | 47 | 47 | 483 | 43 | 47 | 0 | 12 | 33 | 12 | 0 | 0 | 0 | 14 | 14 |
Best forecast wave conditions in Chiba | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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