
Surf Forecasts:
How big are the waves at Mera today (21 Jun):
- Morning surf: Morning surf (21 Jun, local time) - 6ft (1.9m), 6s period with SW swell.
- Afternoon surf: Afternoon surf (21 Jun, local time) - 8ft (2.5m), 8s period with SW swell.
- Evening surf: Evening surf (21 Jun, local time) - 10ft (3.0m), 8s period with WSW swell.
The current surf forecast for Mera at 6AM is: 1.5m 5s primary swell from a South direction and 0.4m 9s secondary swell from a Southeast direction (forecast issued at 02:00am June 21). An open ocean swell of 0.8m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jun) | 6ft (1.9m) | 6s |
| Afternoon (21 Jun) | 8ft (2.5m) | 8s |
| Evening (21 Jun) | 10ft (3.0m) | 8s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Sun morning. Warm (max 26°C on Sun afternoon, min 19°C on Mon night). Winds decreasing (near gales from the SW on Sun afternoon, calm by Mon morning). | ||||||||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||||||||||||
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 | 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 5 | SSE 5 | S 5 | SW 6 | SW 7 | SW 8 | SW 8 | WSW 8 | WSW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 |
Wave Graph | ||||||||||||||||||||||||
68 | 108 | 120 | 260 | 540 | 799 | 1207 | 1162 | 1165 | 392 | 349 | 233 | 177 | 131 | 131 | 94 | 77 | 40 | 60 | 60 | 60 | 59 | 58 | 56 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | on | on | on | on | cross | cross-off | cross-off | off | off | glassy | cross-off | cross-off | off | off | off | off | off | off | cross-off | cross-off | cross-off |
High Tide | 9:17PM1.29m | 8:19AM1.19m | 9:50PM1.27m | 9:42AM1.08m | 10:23PM1.27m | 11:30AM1.02m | ||||||||||||||||||
Low Tide | 2:52AM0.79m | 3:02PM0.41m | 4:00AM0.71m | 3:46PM0.59m | 5:17AM0.61m | 4:35PM0.76m | ||||||||||||||||||
— | 4:26 | — | — | — | — | — | — | — | 4:26 | — | — | — | — | — | — | — | 4:26 | — | — | — | — | — | — | |
— | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:57 | — | |
mm | 6 | 4 | 2 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 2 | — | — | — | — | — |
Temp °C | 22 | 23 | 23 | 23 | 24 | 26 | 25 | 24 | 22 | 21 | 21 | 21 | 22 | 22 | 21 | 20 | 20 | 19 | 20 | 21 | 21 | 21 | 21 | 21 |
Feels °C | 19 | 20 | 20 | 19 | 20 | 20 | 20 | 24 | 23 | 21 | 21 | 21 | 24 | 22 | 19 | 18 | 20 | 19 | 20 | 20 | 21 | 21 | 21 | 21 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 10 | ENE 10 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | SW 7 | SW 7 | SE 11 | SE 11 | SE 11 | ENE 10 | ENE 10 |
76 | 105 | 107 | 83 | 83 | 50 | 51 | 56 | 682 | 392 | 349 | 233 | 177 | 131 | 131 | 94 | 77 | 38 | 22 | 60 | 60 | 59 | 356 | 394 | |
Swell 2 Height (m) Direction Period (s) | SW 7 | SE 9 | SE 9 | ESE 6 | SE 9 | SE 9 | SE 9 | SE 9 | ENE 10 | ENE 10 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SW 7 | SW 7 | SW 6 | SE 11 | SE 11 |
27 | 30 | 29 | 13 | 29 | 30 | 29 | 31 | 56 | 52 | 47 | 95 | 116 | 127 | 154 | 35 | 36 | 40 | 60 | 16 | 7 | 7 | 58 | 56 | |
Swell 3 Height (m) Direction Period (s) | E 18 | SE 12 | SE 11 | SE 9 | SE 11 | SE 11 | SE 11 | ENE 12 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | S 11 | S 11 | S 10 | S 10 | E 15 | S 10 | S 10 | SSW 6 | SSW 6 |
6 | 21 | 20 | 29 | 19 | 19 | 19 | 15 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 2 | 2 | 2 | 2 | 4 | 2 | 2 | 4 | 3 | |
Wind waves Height (m) Direction Period (s) | SE 5 | SSE 5 | S 5 | SW 6 | SW 7 | SW 8 | SW 8 | WSW 8 | WSW 8 | — | — | — | — | — | — | ENE 10 | ENE 10 | NE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | — | — |
68 | 108 | 120 | 260 | 540 | 799 | 1207 | 1162 | 1165 | — | — | — | — | — | — | 253 | 342 | 360 | 421 | 439 | 394 | 373 | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 504 | 504 | 148 | 244 | 69 | 483 | 36 | 73 | 0 | 0 | 0 | 0 | 0 | 0 | 47 | 0 | 0 | 0 | 0 | 0 | 153 | 56 | 47 | 47 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)











