Surf Forecasts:
Mera surf forecast from 23 Sep 2026:
- Best quality surf: Friday 25 Sep, 9PM (local time) - 2.5ft (0.8m), 6s period, E swell with cross-offshore winds.
- Most powerful swell: Thursday 1 Oct, 3AM (local time) - 8ft (2.5m), 7s period, SW swell with 639 kJ wave energy.
- Next surfable swell (1★+): Friday 25 Sep, 9PM (local time) - 2.5ft (0.8m), 6s period with E swell.
Best Forecast Surf Conditions for Mera this week:
The surf forecast for Mera over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 25) at 9PM. The primary swell is predicted to be 0.8m and 6s period with a secondary swell of 0.4m and 8s. Another secondary swell of 0.2m and 8s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Mera in the next 16 days are 2.5m 7s and forecast to arrive on Thursday (Oct 01) at 3AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Saturday (Sep 26) at 3PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Fri 25th Sep) | 2.5ft (0.8m) 6s |
| Best Surf | 9PM (Fri 25th Sep) | 2.5ft (0.8m) 6s |
| Most Powerful | 3AM (Thu 1st Oct) | 8ft (2.5m) 7s |
Table - best surf conditions forecast for Mera over the next 16 days.
Short Range ForecastLight rain (total 5mm), mostly falling on Sat afternoon. Warm (max 24°C on Thu afternoon, min 19°C on Sat afternoon). Mainly fresh winds. | Days 4-6 Weather SummaryHeavy rain (total 22mm), heaviest during Sun night. Warm (max 24°C on Mon afternoon, min 20°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||
Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | ESE 5 | ESE 5 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | SSE 9 | E 7 | SSE 9 | E 8 | E 8 | WSW 5 | WSW 6 | SSW 5 | SW 6 | E 9 | E 8 | SW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 24 | 16 | 14 | 14 | 31 | 31 | 48 | 31 | 17 | 7 | 88 | 8 | 82 | 63 | 20 | 20 | 10 | 8 | 101 | 52 | 341 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | cross-off | glassy | on | cross | off | off | off | off | on | on |
High Tide | 3:53PM1.42m | 3:11AM1.45m | 4:11PM1.47m | 3:52AM1.53m | 4:29PM1.51m | 4:33AM1.57m | 4:47PM1.54m | 5:14AM1.58m | 5:07PM1.57m | 5:58AM1.55m | 5:28PM1.58m | 6:44AM1.47m | 5:50PM1.58m | ||||||||
Low Tide | 9:11AM0.33m | 9:30PM0.71m | 9:43AM0.32m | 9:59PM0.57m | 10:14AM0.35m | 10:28PM0.43m | 10:44AM0.43m | 11:00PM0.31m | 11:13AM0.54m | 11:33PM0.22m | 11:43AM0.66m | 00:10AM0.16m | 12:11PM0.80m | 00:50AM0.16m | |||||||
 | |  |  | |  |  | | |  | |  | | | | | | | | | | |
 | 5:28 | — | — | 5:30 | — | — | 5:30 | — | — | 5:31 | — | — | 5:31 | — | — | 5:33 | — | — | 5:33 | — | — |
 | — | 5:36 | — | — | 5:34 | — | — | 5:32 | — | — | 5:30 | — | — | 5:30 | — | — | 5:28 | — | — | 5:27 | — |
mm | — | — | — | — | — | — | 1 | 4 | — | — | 1 | 21 | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 24 | 24 | 24 | 23 | 23 | 22 | 19 | 19 | 21 | 21 | 21 | 22 | 24 | 23 | 23 | 22 | 22 | 22 | 25 | 25 |
Feels °C | 25 | 26 | 26 | 24 | 22 | 23 | 23 | 15 | 15 | 22 | 23 | 24 | 23 | 24 | 24 | 21 | 19 | 22 | 24 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | ESE 5 | ESE 5 | SE 5 | E 9 | E 10 | E 10 | E 10 | E 10 | E 6 | ENE 7 | E 7 | ENE 8 | E 8 | E 8 | S 5 | WSW 6 | SSW 5 | ENE 9 | E 9 | E 8 | E 10 |
| kJ | 24 | 16 | 6 | 14 | 31 | 31 | 48 | 31 | 81 | 89 | 88 | 112 | 82 | 63 | 20 | 20 | 10 | 65 | 101 | 52 | 48 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | ENE 10 | SSE 8 | SSE 8 | SSE 8 | ESE 8 | E 10 | SSE 9 | SSE 8 | SSW 6 | SW 6 | SSE 8 | E 8 | S 6 | ENE 10 | SW 6 | SSW 5 | SSE 8 | SSE 8 |
| kJ | 14 | 14 | 14 | 9 | 7 | 7 | 6 | 6 | 17 | 7 | 7 | 8 | 9 | 7 | 30 | 19 | 21 | 8 | 3 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | ENE 9 | NE 9 | NE 8 | SSE 8 | SW 4 | S 7 | SE 10 | SSE 9 | SSE 9 | S 8 | S 8 | SSE 9 | SSE 9 | SE 10 | SSE 9 | ENE 8 | SSE 9 | SSE 9 | SSE 9 | WSW 12 | SE 12 |
| kJ | 8 | 12 | 11 | 7 | 1 | 1 | 4 | 7 | 8 | 1 | 4 | 8 | 8 | 4 | 7 | 19 | 8 | 8 | 7 | 15 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | E 4 | E 5 | E 6 | NE 4 | NE 5 | NNE 4 | — | — | — | WSW 2 | SW 6 | WSW 5 | NE 2 | ENE 4 | E 5 | S 5 | SW 4 | SW 6 |
| kJ | — | — | — | 11 | 32 | 27 | 12 | 60 | 4 | — | — | — | 1 | 20 | 19 | 1 | 15 | 16 | 14 | 42 | 341 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 33 | 35 | 40 | 2444 | 1039 | 56 | 12 | 33 | 40 | 40 | 0 | 40 | 0 | 64 | 33 | 204 | 204 | 40 | 0 | 148 | 244 |
Best forecast wave conditions in Chiba | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
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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.
Information about the Mera Surf forecast
The above surf forecast table for Mera provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mera can be found by selecting the local surf guide option on the grey menu. Our Mera surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Mera) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Mera may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Mera is 9 km (6 miles) from Tateyama. If you plan a holiday in Chiba, look for hotels and other accommodation in Tateyama. Tateyama has rooms for a wide range of budgets as well as car hire and transport links.
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