Surf Forecasts:
How big are the waves at Mera today (12 Aug):
- Afternoon surf: Afternoon surf (12 Aug, local time) - 3.5ft (1.0m), 10s period with E 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 9PM is: 1.0m 9s primary swell from a East direction and 0.9m 10s secondary swell from a Southwest direction (forecast issued at 02:00pm August 12). An open ocean swell of 0.7m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | - | - |
| Afternoon (12 Aug) | 3.5ft (1.0m) | 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 62mm), heaviest during Thu night. Warm (max 27°C on Wed afternoon, min 24°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | ||||||||||||||||||
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) | SW 11 | E 10 | E 10 | E 9 | SSW 10 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 220 | 183 | 183 | 175 | 207 | 251 | 306 | 313 | 363 | 386 | 461 | 468 | 650 | 522 | 524 | 524 | 461 | 459 | 450 | 443 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off |
High Tide | 5:22PM1.49m | 4:02AM1.60m | 5:47PM1.51m | 4:50AM1.61m | 6:10PM1.51m | |||||||||||||||
Low Tide | 10:19AM0.00m | 10:33PM0.88m | 10:58AM0.02m | 11:09PM0.76m | 11:34AM0.10m | |||||||||||||||
 | | |  | | |  | | | | | | | | | | |  | | | |
 | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — |
 | — | — | 6:32 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — |
mm | 2 | 2 | 3 | 2 | 2 | 1 | — | — | 1 | 1 | 3 | 6 | 9 | 8 | 2 | 2 | 2 | — | 3 | 4 |
Temp °C | 27 | 27 | 27 | 26 | 25 | 25 | 24 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 25 | 26 | 27 | 27 | 26 | 26 |
Feels °C | 26 | 28 | 29 | 29 | 27 | 27 | 25 | 27 | 29 | 29 | 27 | 28 | 28 | 28 | 26 | 28 | 29 | 29 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | SW 11 | E 10 | E 10 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SSW 9 |
| kJ | 220 | 183 | 183 | 175 | 207 | 251 | 306 | 313 | 363 | 386 | 461 | 468 | 522 | 522 | 524 | 524 | 461 | 459 | 450 | 55 |
Swell 2 Height (m) Direction Period (s) | E 10 | SW 10 | SW 10 | SW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSE 11 |
| kJ | 151 | 160 | 154 | 151 | 194 | 127 | 127 | 125 | 125 | 122 | 96 | 92 | 90 | 86 | 56 | 56 | 75 | 55 | 55 | 64 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | ESE 5 | E 5 | S 5 | S 5 | S 4 | — | SSE 12 | SSE 12 | SSE 12 | SE 12 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | S 13 |
| kJ | 23 | 23 | 22 | 24 | 11 | 11 | 4 | 2 | — | 14 | 13 | 13 | 21 | 20 | 19 | 19 | 19 | 30 | 30 | 14 |
Wind waves Height (m) Direction Period (s) | ESE 5 | ESE 5 | ESE 5 | E 5 | — | — | NE 2 | ENE 3 | — | — | — | — | E 10 | — | — | — | — | — | — | E 10 |
| kJ | 66 | 83 | 56 | 25 | — | — | 1 | 8 | — | — | — | — | 650 | — | — | — | — | — | — | 443 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 47 | 39 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 47 | 14 | 14 | 0 | 0 | 0 | 0 | 0 | 47 | 47 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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