Surf Forecasts:
How big are the waves at Mera today (20 Sep):
- Afternoon surf: Afternoon surf (20 Sep, local time) - 11ft (3.5m), 11s period with SE swell.
- Evening surf: Evening surf (20 Sep, local time) - 11ft (3.5m), 12s period with SSE swell.
The current surf forecast for Mera at 9PM is: 3.5m 12s primary swell from a South-southeast direction and 0.4m 13s secondary swell from a East direction (forecast issued at 02:00pm September 20). An open ocean swell of 1.0m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | - | - |
| Afternoon (20 Sep) | 11ft (3.5m) | 11s |
| Evening (20 Sep) | 11ft (3.5m) | 12s |
Table - waves today at Mera. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 122mm), heaviest during Mon night. Warm (max 27°C on Mon morning, min 22°C on Sun afternoon). Mainly gales. | ||||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||
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 | SE 11 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SE 12 | SSE 13 | SSE 14 | SSE 13 | S 12 | SE 10 | SSE 10 | S 9 | S 9 | S 8 | SSE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 2889 | 3025 | 3150 | 3229 | 3888 | 4475 | 5282 | 5749 | 6493 | 5156 | 10537 | 20734 | 17571 | 2386 | 1444 | 678 | 541 | 445 | 309 | 264 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-on | cross-on | cross | cross-off | cross-off |
High Tide | 8:22PM1.20m | 3:07PM1.24m | 00:00AM1.16m | 3:20PM1.31m | ||||||||||||||||
Low Tide | 6:48AM0.53m | 8:05PM1.09m | 7:52AM0.45m | 8:35PM0.97m | ||||||||||||||||
 |  |  |  | | |  | | | | |  |  | |  |  |  | |  | | |
 | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | 5:40 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:37 | — | — |
mm | 17 | 8 | 9 | 5 | 4 | 7 | 10 | 7 | 4 | 5 | 9 | 14 | 16 | 19 | 2 | — | — | — | — | — |
Temp °C | 23 | 22 | 23 | 23 | 24 | 25 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 25 | 24 |
Feels °C | 20 | 20 | 22 | 21 | 23 | 27 | 28 | 28 | 27 | 27 | 25 | 21 | 19 | 17 | 24 | 29 | 28 | 27 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 11 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | E 11 | S 13 | — | SSE 14 | SSE 13 | ESE 10 | SE 10 | SSE 10 | S 9 | S 9 | S 8 | SSE 8 |
| kJ | 2889 | 3025 | 3150 | 3229 | 3888 | 4475 | 5282 | 5749 | 86 | 2545 | — | 20734 | 17571 | 1968 | 1444 | 678 | 541 | 445 | 309 | 264 |
Swell 2 Height (m) Direction Period (s) | E 14 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | E 11 | — | — | — | — | — | S 12 | SW 9 | ENE 9 | WSW 8 | WSW 7 | WSW 7 | WSW 6 |
| kJ | 15 | 31 | 52 | 51 | 72 | 71 | 93 | 85 | — | — | — | — | — | 2386 | 309 | 141 | 126 | 56 | 31 | 17 |
Swell 3 Height (m) Direction Period (s) | — | NE 8 | — | — | — | NNW 6 | — | — | — | — | — | — | — | — | NNW 6 | NNW 4 | ENE 9 | ENE 9 | ENE 10 | ENE 10 |
| kJ | — | 11 | — | — | — | 3 | — | — | — | — | — | — | — | — | 43 | 4 | 66 | 33 | 36 | 37 |
Wind waves Height (m) Direction Period (s) | N 4 | NE 6 | NE 6 | NNE 4 | — | — | — | — | SSE 12 | SE 12 | SSE 13 | E 9 | NNW 6 | NNW 7 | — | WSW 8 | — | — | — | E 3 |
| kJ | 12 | 141 | 123 | 39 | — | — | — | — | 6493 | 5156 | 10537 | 1706 | 143 | 516 | — | 230 | — | — | — | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 563 | 563 | 14 | 563 | 563 | 14 | 14 | 47 | 563 | 521 | 521 | 517 | 148 | 69 | 53 | 12 | 54 | 63 | 153 | 204 |
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)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Mera surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest