Surf Forecasts:
How big are the waves at Mera today (18 Aug):
- Afternoon surf: Afternoon surf (18 Aug, local time) - 2ft (0.6m), 9s period with E swell.
- Evening surf: Evening surf (18 Aug, local time) - 2.5ft (0.8m), 6s period with SE swell.
The current surf forecast for Mera at 9PM is: 0.8m 6s primary swell from a Southeast direction and 0.6m 8s secondary swell from a East direction (forecast issued at 02:00pm August 18). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | - | - |
| Afternoon (18 Aug) | 2ft (0.6m) | 9s |
| Evening (18 Aug) | 2.5ft (0.8m) | 6s |
Table - waves today at Mera. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Tue afternoon, min 25°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||
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 |  |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | E 9 | E 9 | SE 7 | SE 6 | SE 7 | SE 6 | SE 6 | SE 6 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 10 | SE 11 | SE 11 | SE 11 | SE 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 74 | 55 | 51 | 51 | 52 | 47 | 40 | 39 | 35 | 35 | 49 | 49 | 36 | 37 | 40 | 53 | 57 | 57 | 57 | 57 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross | cross-on | cross-on | cross-on |
High Tide | 7:30PM1.48m | 8:48AM1.18m | 7:50PM1.44m | 10:12AM1.08m | 8:13PM1.40m | |||||||||||||||
Low Tide | 1:29PM0.71m | 2:19AM0.48m | 1:50PM0.85m | 3:09AM0.51m | 2:05PM0.97m | |||||||||||||||
 |  | |  | |  | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — |
 | — | — | 6:25 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:23 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 26 |
Feels °C | 29 | 29 | 29 | 30 | 29 | 29 | 29 | 29 | 31 | 29 | 29 | 29 | 30 | 29 | 28 | 30 | 30 | 29 | 30 | 28 |
Swell 1 Height (m) Direction Period (s) | E 9 | SE 6 | SE 7 | SE 6 | SE 7 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | SE 10 | SE 11 | ESE 6 | SE 6 | SE 5 |
| kJ | 74 | 43 | 44 | 51 | 43 | 47 | 40 | 39 | 31 | 30 | 22 | 22 | 22 | 22 | 30 | 53 | 57 | 20 | 15 | 14 |
Swell 2 Height (m) Direction Period (s) | SE 6 | E 9 | E 8 | E 8 | E 8 | E 9 | E 8 | ENE 9 | ENE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | ENE 9 | ENE 9 | SE 11 | SE 11 | SE 11 |
| kJ | 27 | 55 | 51 | 51 | 52 | 39 | 36 | 25 | 26 | 35 | 49 | 49 | 36 | 37 | 40 | 26 | 26 | 57 | 57 | 57 |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SW 9 | E 9 | ENE 9 | ENE 9 | ENE 8 |
| kJ | 36 | 36 | 36 | 36 | 36 | 36 | 35 | 35 | 35 | 26 | 26 | 25 | 25 | 27 | 26 | 12 | 6 | 15 | 15 | 14 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 6 | SE 6 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 34 | 24 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 56 | 64 | 64 | 64 | 64 | 33 | 33 | 36 | 36 | 36 | 64 | 64 | 64 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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