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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 pm Sunday 03 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
18.9° C
(Which is slightly cooler than normal)How big are the waves at Mera today?
The current surf forecast for Mera at 9PM is: 1.7m 6s primary swell from a South-southwest direction and 0.6m 9s secondary swell from a East-southeast direction (forecast issued at 02:00pm May 03). An open ocean swell of 0.1m 10s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 May) | - | - |
| Afternoon (03 May) | 4.5ft (1.3m) | 5s |
| Evening (03 May) | 5.5ft (1.7m) | 6s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Mon morning. Warm (max 21°C on Sun night, min 15°C on Mon night). Winds decreasing (gales from the SW on Sun night, light winds from the ESE by Tue morning). | ||||||||||||||||||||||||
Sun 3 | Monday 4 | Tuesday 5 | Wed 6 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 10 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 8 | SW 9 | SW 10 | SW 9 | SW 9 | WSW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | ESE 10 | ESE 10 | ESE 10 | SE 6 | SE 6 | SE 6 | |
103 | 92 | 134 | 215 | 384 | 996 | 2347 | 2993 | 2396 | 2296 | 2366 | 2053 | 1219 | 727 | 450 | 275 | 145 | 82 | 64 | 63 | 61 | 59 | 95 | 75 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | on | on | on | on | cross-on | off | off | off | off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | |
High Tide | 6:15PM1.30m | 4:47AM1.39m | 6:52PM1.27m | 5:13AM1.36m | 7:31PM1.22m | 5:39AM1.31m | ||||||||||||||||||
Low Tide | 11:19AM-0.03m | 11:26PM0.75m | 11:50AM-0.02m | 11:57PM0.79m | 12:22PM0.02m | 00:29AM0.83m | ||||||||||||||||||
 | | |  | |  |  |  |  | | |  | | |  | | | | | | | | | | |
 | — | — | — | — | — | 4:48 | — | — | — | — | — | — | — | 4:47 | — | — | — | — | — | — | — | 4:46 | — | — |
 | — | — | 6:25 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | 6:29 |
— | — | — | — | — | 1 | 1 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 20 | 19 | 19 | 20 | 20 | 21 | 20 | 20 | 20 | 19 | 17 | 17 | 15 | 15 | 16 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 |
17 | 15 | 13 | 13 | 13 | 11 | 11 | 12 | 11 | 10 | 9 | 8 | 13 | 6 | 7 | 10 | 13 | 12 | 12 | 14 | 15 | 15 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | SE 6 |
 kJ | 103 | 92 | 92 | 69 | 68 | 69 | 51 | 56 | 34 | 34 | 42 | 42 | 42 | 727 | 450 | 275 | 145 | 82 | 54 | 63 | 61 | 59 | 59 | 75 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | NE 10 | NE 10 | NE 10 | — | — | — | — | — | — | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SW 8 | SW 8 | SW 8 | SW 7 | ESE 9 |
| kJ | 2 | 2 | 2 | 4 | 4 | 4 | — | — | — | — | — | — | 41 | 41 | 40 | 39 | 38 | 55 | 64 | 31 | 29 | 14 | 14 | 58 |
Swell 3 Height (m) Direction Period (s) | NE 10 | — | — | — | — | — | — | — | — | — | — | — | — | SSE 7 | SSE 7 | — | SSE 7 | SSE 7 | — | — | — | N 12 | SE 11 | SW 7 |
| kJ | 4 | — | — | — | — | — | — | — | — | — | — | — | — | 16 | 9 | — | 9 | 15 | — | — | — | 3 | 19 | 13 |
Wind waves Height (m) Direction Period (s) | SW 6 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 8 | SW 9 | SW 10 | SW 9 | SW 9 | WSW 9 | SW 9 | — | NE 4 | NE 4 | ENE 4 | E 4 | SE 4 | SE 4 | SE 5 | SE 6 | SE 6 | — |
| kJ | 49 | 83 | 134 | 215 | 384 | 996 | 2347 | 2993 | 2396 | 2296 | 2366 | 2053 | 1219 | — | 12 | 28 | 11 | 9 | 18 | 31 | 51 | 59 | 95 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2040 | 2040 | 2051 | 767 | 504 | 504 | 501 | 501 | 483 | 521 | 500 | 60 | 0 | 53 | 50 | 0 | 0 | 47 | 544 | 64 | 74 | 70 | 61 | 64 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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