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 5PM is: 0.6m 9s primary swell from a South-southwest direction and 0.5m 10s secondary swell from a East direction, 0.4m 3s secondary swell from a South-southwest direction (forecast issued at 08:00am August 21). The wind direction is predicted to be cross-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 5mm), mostly falling on Sat night. Warm (max 27°C on Fri morning, min 24°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||||
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 |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | 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 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 12 | SE 12 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 56 | 62 | 62 | 61 | 62 | 76 | 83 | 81 | 75 | 125 | 184 | 188 | 227 | 227 | 164 | 161 | 158 | 125 | 92 | 87 | 103 | 157 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | cross-on | cross-on | on | on | on | on | on | on | on | on | glassy | cross-off | off | off | off | cross-off | cross-off | cross-off | off |
High Tide | 8:45PM1.33m | 9:52PM1.26m | 3:52PM1.25m | |||||||||||||||||||
Low Tide | 4:20AM0.54m | 6:01AM0.54m | 7:29AM0.47m | 8:02PM1.15m | ||||||||||||||||||
 | | | |  |  |  | | | | | | |  | | |  | | | | |  | |
 | 5:03 | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:20 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 3 | — | — | — | — | — | — |
Temp °C | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 24 | 25 | 26 | 26 | 26 | 25 |
Feels °C | 29 | 28 | 29 | 28 | 28 | 27 | 27 | 27 | 28 | 27 | 29 | 29 | 30 | 30 | 30 | 28 | 26 | 27 | 29 | 29 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | ESE 10 | SSW 10 | SSW 10 | SSW 9 | E 10 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 12 | SE 12 |
| kJ | 46 | 62 | 62 | 61 | 62 | 74 | 83 | 81 | 75 | 125 | 184 | 188 | 227 | 227 | 164 | 161 | 158 | 125 | 92 | 87 | 103 | 157 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | SE 11 | E 9 | E 9 | E 10 | SSW 9 | E 10 | E 10 | E 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSE 12 | E 12 |
| kJ | 38 | 57 | 38 | 43 | 46 | 76 | 47 | 68 | 68 | 73 | 73 | 73 | 73 | 55 | 54 | 90 | 53 | 52 | 49 | 47 | 99 | 108 |
Swell 3 Height (m) Direction Period (s) | SE 11 | SE 5 | ESE 11 | SE 11 | SE 11 | ESE 11 | SE 11 | SE 11 | SE 10 | SSE 5 | S 5 | SE 12 | SE 12 | S 5 | S 5 | SE 11 | S 4 | SSE 4 | SE 13 | ESE 12 | E 9 | E 9 |
| kJ | 56 | 7 | 47 | 30 | 30 | 46 | 30 | 30 | 27 | 17 | 17 | 37 | 34 | 11 | 10 | 29 | 6 | 7 | 84 | 83 | 61 | 60 |
Wind waves Height (m) Direction Period (s) | — | — | SSE 5 | SSW 3 | S 3 | SW 3 | S 4 | S 4 | S 4 | WSW 3 | WSW 3 | S 5 | S 5 | WSW 3 | — | — | — | NE 2 | ENE 3 | ENE 3 | E 4 | ENE 3 |
| kJ | — | — | 10 | 2 | 5 | 3 | 13 | 16 | 19 | 2 | 2 | 16 | 16 | 1 | — | — | — | 1 | 1 | 3 | 6 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 64 | 70 | 64 | 64 | 70 | 69 | 88 | 73 | 73 | 36 | 36 | 64 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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