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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 pm Saturday 02 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 11PM is: 2.0m 8s primary swell from a West-southwest direction and 1.4m 8s secondary swell from a Southwest direction, 0.8m 9s secondary swell from a East-southeast direction (forecast issued at 02:00pm May 02). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 May) | - | - |
| Afternoon (02 May) | 6ft (1.8m) | 9s |
| Evening (02 May) | 6.5ft (2.0m) | 8s |
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 Mon morning. Warm (max 21°C on Sun night, min 15°C on Mon night). Winds increasing (calm on Sat night, gales from the SSW by Sun night). | ||||||||||||||||||||||||
Sat 2 | Sunday 3 | Monday 4 | Tue 5 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WSW 10 | SW 9 | SW 9 | WSW 8 | SW 8 | ESE 10 | WSW 8 | ESE 10 | ESE 10 | ESE 9 | SSW 5 | SSW 6 | SSW 6 | SSW 8 | SSW 9 | SW 10 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 9 | SW 9 | SW 9 | |
1328 | 549 | 357 | 534 | 206 | 135 | 150 | 105 | 103 | 100 | 92 | 175 | 349 | 1288 | 3047 | 2991 | 2332 | 2199 | 1824 | 1489 | 1048 | 763 | 486 | 318 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross | cross-off | glassy | off | cross-off | glassy | cross-on | on | on | on | on | cross-on | on | on | on | on | on | on | on | cross-on | cross-off | off | off | |
High Tide | 5:38PM1.32m | 4:22AM1.40m | 6:15PM1.30m | 4:47AM1.39m | 6:52PM1.27m | 5:13AM1.36m | ||||||||||||||||||
Low Tide | 10:49AM-0.01m | 10:55PM0.70m | 11:19AM-0.03m | 11:26PM0.75m | 11:50AM-0.02m | 11:57PM0.79m | ||||||||||||||||||
 | |  |  |  | |  | | | | | | | |  |  | | | |  | | | | | |
 | — | — | — | — | — | 4:48 | — | — | — | — | — | — | — | 4:48 | — | — | — | — | — | — | — | 4:47 | — | — |
 | — | — | 6:24 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | 6:28 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 7 | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 20 | 19 | 20 | 19 | 19 | 18 | 18 | 19 | 20 | 19 | 19 | 19 | 21 | 20 | 19 | 19 | 19 | 19 | 18 | 17 | 15 | 15 | 16 |
14 | 18 | 18 | 20 | 18 | 17 | 19 | 18 | 16 | 15 | 13 | 13 | 11 | 12 | 11 | 11 | 11 | 10 | 10 | 8 | 13 | 5 | 8 | 10 | |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 9 | SW 9 | SW 8 | SW 8 | SW 7 | SW 7 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SW 9 | SW 9 | SW 9 |
 kJ | 880 | 549 | 357 | 319 | 206 | 115 | 77 | 105 | 103 | 100 | 92 | 90 | 68 | 68 | 50 | 33 | 34 | 42 | 42 | 42 | 42 | 763 | 486 | 318 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | SW 7 | ENE 4 | ENE 4 | — | — | NE 10 | NE 10 | — | — | — | — | — | — | — | ESE 10 | ESE 10 | ESE 10 |
| kJ | 99 | 99 | 101 | 94 | 100 | 135 | 125 | 52 | 2 | 2 | — | — | 4 | 4 | — | — | — | — | — | — | — | 41 | 40 | 38 |
Swell 3 Height (m) Direction Period (s) | E 9 | — | — | NE 11 | NE 11 | NE 11 | E 3 | ENE 3 | E 10 | E 10 | E 10 | — | — | — | — | — | — | — | — | — | — | — | — | SSE 7 |
| kJ | 59 | — | — | 5 | 5 | 5 | 1 | 2 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | 17 |
Wind waves Height (m) Direction Period (s) | WSW 10 | — | — | WSW 8 | — | E 2 | WSW 8 | SSW 6 | SW 7 | SW 4 | SSW 5 | SSW 6 | SSW 6 | SSW 8 | SSW 9 | SW 10 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | — | NE 4 | NE 4 |
| kJ | 1328 | — | — | 534 | — | 1 | 150 | 13 | 44 | 36 | 80 | 175 | 349 | 1288 | 3047 | 2991 | 2332 | 2199 | 1824 | 1489 | 1048 | — | 13 | 20 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 544 | 14 | 0 | 0 | 0 | 14 | 0 | 36 | 585 | 972 | 1428 | 767 | 504 | 504 | 501 | 501 | 483 | 483 | 500 | 61 | 36 | 44 | 0 | 0 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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