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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 pm Friday 01 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
20.4° C
(Which is slightly warmer than usual)How big are the waves at Mera today?
The current surf forecast for Mera at 10PM is: 4.0m 9s primary swell from a Southwest direction and 1.1m 9s secondary swell from a East-southeast direction, 1.1m 8s secondary swell from a South-southeast direction (forecast issued at 02:00pm May 01). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 May) | - | - |
| Afternoon (01 May) | 13ft (4.0m) | 9s |
| Evening (01 May) | 11ft (3.5m) | 9s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Fri afternoon. Warm (max 21°C on Sun night, min 15°C on Fri night). Winds increasing (light winds from the NNE on Sat night, gales from the SW by Sun night). | ||||||||||||||||||||||||
Fri 1 | Saturday 2 | Sunday 3 | Mon 4 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 8 | S 9 | SW 9 | SW 9 | SW 9 | SW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 8 | SW 8 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | SW 5 | SSW 6 | SSW 6 | SSW 7 | SSW 8 | SW 9 | |
2172 | 2455 | 1872 | 2065 | 3086 | 2842 | 3478 | 2162 | 1419 | 948 | 955 | 745 | 247 | 136 | 96 | 105 | 100 | 100 | 115 | 195 | 305 | 724 | 1818 | 3132 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | on | cross-on | cross-on | cross-on | on | cross-off | cross-off | off | off | off | cross-off | on | on | on | on | on | on | cross-on | on | on | |
High Tide | 5:02PM1.31m | 3:57AM1.39m | 5:38PM1.32m | 4:22AM1.40m | 6:15PM1.30m | 4:47AM1.39m | ||||||||||||||||||
Low Tide | 10:19AM0.05m | 10:24PM0.65m | 10:49AM-0.01m | 10:55PM0.70m | 11:19AM-0.03m | 11:26PM0.75m | ||||||||||||||||||
 |  |  |  | |  | | | | |  | | |  | | | | | | | | |  | | |
 | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:48 | — | — | — | — | — | — | — | 4:48 | — | — |
 | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | 6:27 |
19 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | |
Temp °C | 19 | 20 | 18 | 17 | 15 | 16 | 16 | 17 | 18 | 19 | 19 | 19 | 19 | 18 | 18 | 19 | 19 | 20 | 19 | 19 | 19 | 20 | 21 | 21 |
12 | 14 | 10 | 6 | 3 | 6 | 13 | 14 | 14 | 16 | 18 | 18 | 17 | 17 | 18 | 19 | 16 | 15 | 14 | 13 | 12 | 12 | 11 | 12 | |
Swell 1 Height (m) Direction Period (s) | NE 13 | NE 13 | SE 9 | ESE 9 | SE 9 | ESE 9 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 8 | SW 8 | SW 7 | SW 7 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 |
 kJ | 26 | 7 | 537 | 207 | 176 | 96 | 2214 | 1312 | 913 | 599 | 503 | 439 | 247 | 136 | 82 | 100 | 100 | 100 | 69 | 69 | 69 | 68 | 50 | 55 |
Swell 2 Height (m) Direction Period (s) | — | NE 13 | — | SSE 8 | NE 12 | NE 12 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | SW 7 | ENE 4 | ENE 4 | — | NE 10 | NE 10 | NE 10 | — | — |
| kJ | — | 7 | — | 160 | 6 | 6 | 77 | 94 | 99 | 101 | 101 | 94 | 98 | 103 | 96 | 55 | 3 | 2 | — | 4 | 4 | 4 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | NE 12 | — | NE 12 | NE 12 | SSE 8 | E 9 | E 11 | — | NE 11 | NE 11 | NE 11 | S 7 | ENE 4 | E 11 | E 11 | E 11 | — | — | — | — | — |
| kJ | — | — | — | 6 | — | 6 | 5 | 11 | 59 | 2 | — | 5 | 5 | 5 | 4 | 3 | 2 | 2 | 2 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 8 | S 9 | SW 9 | SW 9 | SW 9 | SW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 8 | — | ENE 2 | ENE 3 | WSW 7 | SW 6 | SW 5 | SW 5 | SSW 6 | SSW 6 | SSW 7 | SSW 8 | SW 9 |
| kJ | 2172 | 2455 | 1872 | 2065 | 3086 | 2842 | 3478 | 2162 | 1419 | 948 | 955 | 745 | — | 1 | 2 | 105 | 40 | 60 | 115 | 195 | 305 | 724 | 1818 | 3132 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 36 | 61 | 500 | 500 | 500 | 483 | 33 | 33 | 47 | 39 | 0 | 0 | 0 | 0 | 0 | 36 | 70 | 972 | 972 | 850 | 767 | 504 | 483 | 483 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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