Surf Forecasts:
How big are the waves at Mera today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 0.5ft (0.1m), 12s period with SE swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 1.5ft (0.4m), 11s period with SE swell.
- Evening surf: Evening surf (18 Sep, local time) - 3.5ft (1.1m), 14s period with SE swell.
The current surf forecast for Mera at 5AM is: 0.2m 9s primary swell from a South-southeast direction (forecast issued at 02:00am September 18). An open ocean swell of 0.3m 12s is not directed at the surf break, a second open ocean swell of 2.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 0.5ft (0.1m) | 12s |
| Afternoon (18 Sep) | 1.5ft (0.4m) | 11s |
| Evening (18 Sep) | 3.5ft (1.1m) | 14s |
Table - waves today at Mera. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 156mm), heaviest during Sun night. Warm (max 26°C on Sun night, min 20°C on Fri morning). Mainly strong winds. | ||||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||||||
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) | SSE 9 | SSE 9 | SSE 9 | SE 12 | SSE 12 | SE 11 | SE 14 | SE 14 | SE 13 | SE 13 | SE 16 | SE 14 | SE 14 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SSE 12 | SE 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 7 | 7 | 7 | 6 | 13 | 32 | 73 | 416 | 1014 | 1537 | 4978 | 5186 | 4904 | 3963 | 3459 | 2956 | 2710 | 2751 | 3097 | 3335 | 3391 | 3969 | 4103 | 6572 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | cross-off | off | off | off |
High Tide | 9:37AM1.11m | 7:13PM1.38m | 7:37PM1.30m | 8:22PM1.20m | ||||||||||||||||||||
Low Tide | 2:17AM0.44m | 1:24PM1.02m | 3:17AM0.52m | 4:59AM0.57m | ||||||||||||||||||||
 |  |  | |  | | | | |  | | | | | | | |  |  |  | | |  | | |
 | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:40 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 17 | 7 | 9 | 15 | 20 | 18 |
Temp °C | 21 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 24 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 23 | 23 | 24 |
Feels °C | 16 | 14 | 14 | 14 | 15 | 15 | 16 | 17 | 16 | 16 | 17 | 18 | 19 | 23 | 22 | 22 | 22 | 21 | 20 | 21 | 19 | 20 | 18 | 21 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | SSE 9 | ENE 12 | ENE 12 | SSE 12 | SE 11 | E 11 | SE 14 | SE 13 | SE 13 | SE 16 | SE 14 | SE 14 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SSE 12 | SE 12 |
| kJ | 7 | 7 | 29 | 29 | 13 | 32 | 63 | 416 | 1014 | 1537 | 4978 | 5186 | 4904 | 3963 | 3459 | 2956 | 2710 | 2751 | 3097 | 3335 | 3391 | 3969 | 4103 | 6572 |
Swell 2 Height (m) Direction Period (s) | — | SE 13 | SSE 9 | SE 12 | NW 7 | SE 11 | SE 14 | E 11 | — | SE 17 | — | — | — | — | — | — | ENE 9 | NE 8 | NE 9 | NE 8 | E 14 | E 13 | E 13 | E 13 |
| kJ | — | 6 | 7 | 6 | 2 | 20 | 73 | 62 | — | 805 | — | — | — | — | — | — | 86 | 32 | 3 | 21 | 15 | 30 | 30 | 51 |
Swell 3 Height (m) Direction Period (s) | — | — | SE 12 | SE 12 | — | — | SE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 6 | 6 | — | — | 23 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | — | — | — | — | NE 6 | NE 6 | — |
| kJ | 545 | 617 | 604 | 634 | 604 | 632 | 585 | 585 | 553 | 459 | 381 | 298 | 292 | 356 | 296 | 186 | 325 | — | — | — | — | 157 | 228 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 153 | 483 | 483 | 483 | 483 | 483 | 244 | 504 | 500 | 500 | 244 | 244 | 153 | 517 | 890 | 522 | 483 | 501 | 501 | 501 | 501 | 563 | 820 | 521 |
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