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Surf Forecasts:
Mera surfForecast / Chiba / Japan
16 Day Weather and Surf, issued 8 pm Friday 22 May 2026 JSTForecast update in hr min s Forecast update imminent
Mera surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mera sea temperature is
21.4° C
(Which is normal for this time of year)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 Sunday (May 24) at 6AM. The primary swell is predicted to be 1.3m and 10s period with a secondary swell of 0.1m and 7s. Another secondary swell of 0.9m and 6s 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 3.5m 8s and forecast to arrive on Friday (May 29) at 12PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 9s period and expected on Saturday (May 23) at 9AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Sun 24th May) | 4.5ft (1.3m) 10s |
| Best Surf | 6AM (Fri 29th May) | 8ft (2.5m) 7s |
| Most Powerful | 12PM (Fri 29th May) | 11ft (3.5m) 8s |
Table - best surf conditions forecast for Mera over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Sun morning. Warm (max 21°C on Mon morning, min 13°C on Fri night). Winds decreasing (strong winds from the NNE on Fri night, light winds from the ENE by Sun night). | Days 5-7 Weather SummaryHeavy rain (total 53mm), heaviest during Wed night. Warm (max 22°C on Tue morning, min 19°C on Wed afternoon). Winds increasing (light winds from the ENE on Mon night, fresh winds from the NE by Wed night). | ||||||||||||||||||||
Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | Thursday 28 | Fri 29 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
SW 8 | SW 7 | WSW 7 | E 10 | E 10 | E 10 | SE 7 | SE 8 | SE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 8 | SE 8 | SSW 6 | SSW 7 | SW 8 | |
29 | 9 | 5 | 587 | 550 | 306 | 209 | 200 | 215 | 162 | 149 | 163 | 123 | 146 | 149 | 396 | 307 | 238 | 200 | 882 | 1268 | |
Wind (km/h) | |||||||||||||||||||||
cross-off | off | off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-on | on | on | |
High Tide | 10:18PM1.18m | 8:06AM1.14m | 11:11PM1.16m | 9:52AM1.03m | 11:56PM1.16m | 12:00PM1.00m | 00:34AM1.19m | 1:37PM1.05m | 1:08AM1.24m | 2:46PM1.13m | 1:40AM1.29m | 3:39PM1.20m | 2:12AM1.34m | 4:22PM1.26m | |||||||
Low Tide | 3:10AM0.92m | 3:43PM0.30m | 4:51AM0.84m | 4:48PM0.45m | 6:23AM0.70m | 5:55PM0.58m | 7:23AM0.53m | 6:56PM0.68m | 8:08AM0.37m | 7:50PM0.76m | 8:46AM0.24m | 8:37PM0.81m | 9:22AM0.13m | ||||||||
 |  |  |  |  | | | |  | | | | | |  |  | | | | | | |
 | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:30 | — | — | 4:30 | — | — | 4:28 | — |
 | 6:40 | — | 6:42 | — | — | 6:43 | — | — | 6:43 | — | — | 6:44 | — | — | 6:45 | — | — | 6:45 | — | — | 6:45 |
— | — | — | — | 2 | — | — | — | — | — | — | — | — | — | 8 | 39 | 3 | 3 | 11 | — | — | |
Temp °C | 14 | 17 | 18 | 19 | 19 | 20 | 20 | 21 | 21 | 20 | 22 | 22 | 21 | 22 | 21 | 20 | 20 | 21 | 22 | 22 | 22 |
7 | 12 | 13 | 16 | 16 | 18 | 19 | 21 | 20 | 20 | 22 | 21 | 21 | 22 | 20 | 20 | 21 | 22 | 24 | 22 | 19 | |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 7 | WSW 7 | SE 12 | SW 7 | E 10 | SE 7 | SE 8 | SE 8 | ESE 8 | ESE 8 | ENE 11 | ESE 8 | ESE 8 | ESE 8 | NE 10 | ESE 8 | SE 8 | ESE 8 | E 9 | E 10 |
 kJ | 29 | 9 | 5 | 6 | 2 | 306 | 209 | 200 | 215 | 162 | 149 | 164 | 123 | 146 | 149 | 28 | 307 | 238 | 118 | 83 | 65 |
Swell 2 Height (m) Direction Period (s) | — | S 7 | S 7 | SW 7 | — | ESE 10 | ENE 9 | ENE 10 | ENE 11 | ENE 11 | ENE 11 | S 6 | ENE 10 | ENE 10 | ENE 10 | ESE 14 | ENE 11 | ENE 11 | NE 11 | ESE 12 | ESE 12 |
| kJ | — | 4 | 4 | 2 | — | 10 | 216 | 236 | 210 | 210 | 167 | 3 | 125 | 58 | 41 | 18 | 46 | 47 | 30 | 29 | 28 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | ESE 11 | E 16 | E 16 | SSW 7 | S 7 | ESE 15 | S 6 | S 6 | SSE 6 | SE 10 | ESE 13 | ESE 13 | ESE 13 | ENE 11 | ENE 12 |
| kJ | — | — | — | — | — | — | 12 | 5 | 5 | 16 | 8 | 22 | 3 | 6 | 12 | 4 | 17 | 17 | 16 | 12 | 13 |
Wind waves Height (m) Direction Period (s) | NE 9 | ENE 9 | ENE 9 | E 10 | E 10 | SE 7 | — | — | — | — | — | ESE 8 | — | — | — | ESE 7 | — | — | SSW 6 | SSW 7 | SW 8 |
| kJ | 880 | 885 | 807 | 587 | 550 | 128 | — | — | — | — | — | 163 | — | — | — | 396 | — | — | 200 | 882 | 1268 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 563 | 808 | 14 | 14 | 14 | 47 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 14 | 61 |
Best forecast wave conditions in Chiba | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
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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.
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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