Surf Forecasts:
How big are the waves at Mera today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 1.5ft (0.5m), 11s period with SE swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2ft (0.6m), 9s period with SSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.7m), 9s period with SSW swell.
The current surf forecast for Mera at 3AM is: 0.5m 11s primary swell from a Southeast direction and 0.5m 9s secondary swell from a South-southwest direction (forecast issued at 08:00pm August 20). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 1.5ft (0.5m) | 11s |
| Afternoon (21 Aug) | 2ft (0.6m) | 9s |
| Evening (21 Aug) | 2.5ft (0.7m) | 9s |
Table - waves today at Mera. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Fri night. Warm (max 27°C on Thu night, min 25°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | ||||||||||||||||
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) | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 10 | SSW 10 | SSW 9 | E 10 | E 11 | E 11 | E 11 | E 11 |
Wave Graph  | ||||||||||||||||||
 kJ | 57 | 57 | 56 | 56 | 56 | 62 | 62 | 61 | 62 | 76 | 83 | 81 | 75 | 125 | 184 | 188 | 227 | 227 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on |
High Tide | 8:13PM1.40m | 8:45PM1.33m | ||||||||||||||||
Low Tide | 4:20AM0.54m | 6:01AM0.54m | ||||||||||||||||
 |  |  |  |  |  | | | | | |  | | | | | | | |
 | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — |
 | 6:23 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 1 |
Temp °C | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 |
Feels °C | 29 | 30 | 28 | 28 | 29 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 29 | 29 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 11 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 10 | SSW 10 | SSW 9 | E 10 | E 11 | E 11 | E 11 | E 11 |
| kJ | 57 | 57 | 56 | 46 | 46 | 62 | 62 | 61 | 62 | 76 | 83 | 81 | 75 | 125 | 184 | 188 | 227 | 227 |
Swell 2 Height (m) Direction Period (s) | SE 6 | SE 6 | SSW 8 | SE 11 | SE 11 | SE 11 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 |
| kJ | 15 | 11 | 22 | 56 | 56 | 57 | 38 | 43 | 46 | 66 | 47 | 68 | 68 | 73 | 73 | 73 | 73 | 55 |
Swell 3 Height (m) Direction Period (s) | ENE 9 | ENE 8 | ENE 8 | SE 5 | SSE 5 | SSE 5 | ESE 11 | SE 11 | SE 11 | ESE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 12 | SE 11 | SE 12 | SSE 5 |
| kJ | 26 | 14 | 14 | 13 | 10 | 10 | 47 | 30 | 30 | 46 | 30 | 30 | 27 | 27 | 37 | 29 | 34 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | SE 6 | — | — | — | SW 2 | S 3 | S 3 | SSW 3 | SSW 4 | S 4 | S 4 | S 5 | S 5 | S 5 | S 5 | WSW 3 |
| kJ | — | — | 11 | — | — | — | 1 | 5 | 5 | 6 | 13 | 16 | 19 | 15 | 16 | 16 | 16 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 64 | 64 | 64 | 64 | 64 | 70 | 64 | 64 | 88 | 69 | 74 | 73 | 73 | 36 | 74 | 70 | 35 | 12 |
Best forecast wave conditions in Chiba | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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