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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 pm Saturday 25 Apr 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
20.7° C
(Which is 1.7°C warmer than normal for this time of year)How big are the waves at Mera today?
The current surf forecast for Mera at 10PM is: 1.4m 7s primary swell from a East direction and 0.2m 8s secondary swell from a South-southwest direction (forecast issued at 02:00pm April 25). An open ocean swell of 0.2m 13s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | - | - |
| Afternoon (25 Apr) | 5ft (1.5m) | 7s |
| Evening (25 Apr) | 5ft (1.5m) | 7s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 46mm), heaviest during Mon morning. Very mild (max 18°C on Tue morning, min 14°C on Sat night). Winds decreasing (strong winds from the NNE on Mon morning, calm by Mon night). | ||||||||||||||||||||||||
Sat 25 | Sunday 26 | Monday 27 | Tue 28 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 6 | E 7 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | E 7 | ESE 7 | ESE 7 | SSW 7 | SW 7 | SW 7 | |
257 | 211 | 223 | 223 | 179 | 126 | 115 | 72 | 98 | 87 | 87 | 97 | 97 | 117 | 106 | 170 | 137 | 117 | 89 | 53 | 42 | 38 | 46 | 44 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | off | cross-off | glassy | on | on | on | |
High Tide | 9:15AM1.02m | 1:34AM1.11m | 12:15PM0.99m | 2:04AM1.15m | 1:50PM1.07m | 2:28AM1.20m | ||||||||||||||||||
Low Tide | 5:43PM0.33m | 7:27AM0.82m | 7:00PM0.39m | 8:11AM0.64m | 7:57PM0.43m | 8:46AM0.45m | ||||||||||||||||||
 | |  |  |  | |  | | | | | | |  |  |  |  | | | | | | | | |
 | — | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — |
 | — | — | 6:20 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | 6:22 |
— | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 10 | 30 | 1 | 1 | 1 | — | — | — | — | — | |
Temp °C | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 16 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 15 | 15 | 16 | 16 | 18 |
10 | 11 | 9 | 9 | 10 | 11 | 10 | 13 | 14 | 14 | 14 | 15 | 15 | 13 | 12 | 7 | 9 | 8 | 11 | 14 | 14 | 15 | 14 | 15 | |
Swell 1 Height (m) Direction Period (s) | S 7 | S 7 | ENE 13 | ENE 13 | ENE 16 | E 7 | E 6 | SE 6 | NE 14 | NE 14 | ESE 6 | ESE 6 | ESE 6 | ENE 13 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | E 7 | ESE 7 | ESE 7 | SSW 7 | SW 7 | SW 7 |
 kJ | 17 | 9 | 17 | 16 | 24 | 126 | 115 | 35 | 52 | 51 | 87 | 97 | 97 | 17 | 106 | 170 | 137 | 117 | 89 | 53 | 42 | 38 | 46 | 44 |
Swell 2 Height (m) Direction Period (s) | SW 8 | SW 8 | SW 8 | SSW 8 | ENE 12 | NE 15 | NE 15 | NE 14 | SE 11 | SE 13 | NE 14 | NE 13 | NE 13 | SE 12 | ENE 13 | ENE 13 | SSW 6 | S 6 | S 6 | S 6 | ENE 6 | ENE 6 | ENE 6 | E 8 |
| kJ | 17 | 10 | 10 | 6 | 15 | 57 | 55 | 54 | 5 | 7 | 47 | 28 | 27 | 6 | 17 | 16 | 13 | 36 | 27 | 27 | 34 | 31 | 32 | 41 |
Swell 3 Height (m) Direction Period (s) | ENE 13 | NE 13 | SE 11 | ENE 16 | SSW 7 | SSW 7 | SW 7 | SE 11 | SW 7 | SW 7 | SE 13 | ESE 13 | ENE 9 | SW 7 | SE 12 | ENE 9 | ENE 12 | ENE 9 | NE 12 | NE 12 | S 6 | ESE 7 | ESE 7 | ENE 7 |
| kJ | 17 | 27 | 5 | 25 | 5 | 5 | 2 | 5 | 2 | 2 | 7 | 17 | 7 | 2 | 6 | 7 | 15 | 7 | 6 | 6 | 18 | 29 | 31 | 26 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | — | — | E 7 | ESE 6 | ESE 6 | — | — | — | ESE 6 | ENE 4 | NNW 3 | N 4 | N 4 | N 4 | NE 6 | N 3 | — | — | — |
| kJ | 257 | 211 | 223 | 223 | 179 | — | — | 72 | 98 | 87 | — | — | — | 117 | 24 | 2 | 42 | 17 | 8 | 45 | 2 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 501 | 767 | 767 | 563 | 14 | 14 | 0 | 0 | 0 | 64 | 0 | 0 | 0 | 0 | 501 | 153 | 153 | 40 | 0 | 0 | 12 | 12 | 64 | 64 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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