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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am 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
20.4° C
(Which is slightly warmer than usual)How big are the waves at Mera today?
The current surf forecast for Mera at 1PM is: 0.8m 10s primary swell from a East-southeast direction and 0.1m 10s secondary swell from a East direction, 1.0m 6s secondary swell from a Southwest direction (forecast issued at 08:00am May 03). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 May) | 2.5ft (0.8m) | 10s |
| Afternoon (03 May) | 2.5ft (0.7m) | 9s |
| Evening (03 May) | 6ft (1.8m) | 6s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Mon morning. Warm (max 21°C on Sun night, min 15°C on Mon night). Winds increasing (light winds from the WSW on Sun morning, gales from the SW by Sun night). | ||||||||||||||||||||||||
Sunday 3 | Monday 4 | Tuesday 5 | Wed 6 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 8 | ESE 10 | ESE 10 | ESE 9 | SSW 5 | SSW 6 | SSW 6 | SSW 8 | SSW 9 | SW 9 | SW 9 | SW 9 | SW 9 | WSW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | |
133 | 105 | 103 | 92 | 110 | 218 | 373 | 1114 | 2581 | 2559 | 2332 | 2559 | 2170 | 2212 | 1247 | 675 | 461 | 275 | 148 | 100 | 67 | 63 | 61 | 61 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-on | on | on | on | on | on | on | on | on | on | on | on | cross-on | off | off | off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | |
High Tide | 4:22AM1.40m | 6:15PM1.30m | 4:47AM1.39m | 6:52PM1.27m | 5:13AM1.36m | 7:31PM1.22m | ||||||||||||||||||
Low Tide | 11:19AM-0.03m | 11:26PM0.75m | 11:50AM-0.02m | 11:57PM0.79m | 12:22PM0.02m | 00:29AM0.83m | ||||||||||||||||||
 | | | | |  | | |  |  | | | |  | | | | | | | |  | | | |
 | 4:48 | — | — | — | — | — | — | 4:48 | — | — | — | — | — | — | — | 4:47 | — | — | — | — | — | — | — | 4:46 |
 | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:28 | — | — | 6:29 |
— | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 18 | 20 | 20 | 19 | 19 | 20 | 20 | 21 | 19 | 20 | 19 | 18 | 17 | 17 | 16 | 15 | 16 | 17 | 17 | 17 | 18 | 18 | 18 |
19 | 16 | 16 | 15 | 13 | 13 | 13 | 11 | 11 | 11 | 11 | 9 | 8 | 7 | 13 | 9 | 8 | 10 | 12 | 12 | 12 | 14 | 14 | 15 | |
Swell 1 Height (m) Direction Period (s) | SW 8 | ESE 10 | 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 |
 kJ | 82 | 105 | 103 | 92 | 92 | 69 | 68 | 69 | 52 | 56 | 40 | 41 | 42 | 43 | 43 | 675 | 461 | 275 | 148 | 100 | 67 | 63 | 61 | 59 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | SW 7 | E 10 | E 10 | E 10 | NE 10 | NE 10 | NE 10 | — | — | — | — | — | — | — | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | WSW 8 | SW 8 | WSW 7 |
| kJ | 98 | 52 | 2 | 2 | 2 | 4 | 4 | 4 | — | — | — | — | — | — | — | 42 | 40 | 39 | 55 | 55 | 64 | 42 | 28 | 21 |
Swell 3 Height (m) Direction Period (s) | S 7 | NE 11 | S 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 7 | — | SSE 7 | SSE 7 | NE 8 | — | — | — |
| kJ | 4 | 5 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | — | 15 | 15 | 2 | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 8 | SW 7 | SW 6 | SW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 8 | SSW 9 | SW 9 | SW 9 | SW 9 | SW 9 | WSW 9 | SW 9 | — | NE 4 | ENE 4 | E 4 | ESE 4 | SE 4 | SE 4 | SSE 5 | SSE 5 |
| kJ | 133 | 89 | 49 | 73 | 110 | 218 | 373 | 1114 | 2581 | 2559 | 2332 | 2559 | 2170 | 2212 | 1247 | — | 20 | 32 | 14 | 16 | 20 | 27 | 47 | 61 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 12 | 848 | 2040 | 2051 | 767 | 767 | 501 | 483 | 483 | 483 | 521 | 521 | 36 | 0 | 14 | 14 | 14 | 244 | 64 | 64 | 64 | 70 | 70 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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