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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Saturday 16 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
19.2° C
(Which is 1.4°C colder than average for this time of year)How big are the waves at Mera today?
The current surf forecast for Mera at 4PM is: 0.7m 9s primary swell from a East direction and 0.6m 9s secondary swell from a Southeast direction (forecast issued at 08:00am May 16). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 3ft (0.9m) | 9s |
| Afternoon (16 May) | 2.5ft (0.7m) | 9s |
| Evening (16 May) | 2.5ft (0.8m) | 8s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 21°C on Sun morning, min 18°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
E 9 | E 9 | E 9 | E 9 | E 9 | ESE 8 | ESE 9 | ESE 7 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 9 | ESE 9 | E 9 | ESE 9 | ESE 8 | E 8 | E 8 | SE 11 | |
159 | 127 | 101 | 73 | 73 | 86 | 101 | 41 | 143 | 140 | 137 | 134 | 199 | 208 | 203 | 184 | 189 | 162 | 162 | 123 | 115 | 90 | 88 | 92 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | glassy | cross | cross | glassy | cross-on | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | glassy | cross | cross-on | on | on | on | on | on | on | |
High Tide | 3:06AM1.40m | 4:57PM1.42m | 3:38AM1.45m | 5:48PM1.43m | 4:13AM1.48m | 6:39PM1.41m | ||||||||||||||||||
Low Tide | 10:01AM-0.08m | 10:16PM0.78m | 10:43AM-0.19m | 10:58PM0.85m | 11:26AM-0.23m | 11:38PM0.90m | ||||||||||||||||||
 | | | | |  | |  | | | | | | | | | | | | | | | | | |
 | 4:37 | — | — | — | — | — | — | 4:35 | — | — | — | — | — | — | — | 4:35 | — | — | — | — | — | — | — | 4:35 |
 | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | 6:38 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 18 | 18 | 19 | 19 | 19 | 18 | 18 | 18 | 19 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 21 | 21 | 21 | 20 | 20 | 20 |
16 | 18 | 18 | 19 | 18 | 19 | 17 | 18 | 17 | 18 | 20 | 19 | 19 | 20 | 20 | 21 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 17 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | SE 9 | ESE 8 | ESE 9 | ESE 7 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 9 | ESE 9 | E 9 | ESE 9 | ESE 8 | E 8 | E 8 | E 9 |
 kJ | 159 | 127 | 101 | 73 | 67 | 86 | 101 | 41 | 143 | 140 | 137 | 134 | 199 | 208 | 203 | 184 | 189 | 162 | 162 | 123 | 115 | 90 | 88 | 74 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | SE 9 | SE 9 | SE 9 | E 9 | E 9 | E 8 | E 10 | SE 11 | SE 11 | SE 11 | SE 10 | NE 9 | NE 9 | NE 9 | NE 11 | SSE 7 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 10 | SE 11 |
| kJ | 53 | 64 | 65 | 68 | 73 | 60 | 37 | 47 | 19 | 19 | 19 | 17 | 3 | 21 | 21 | 5 | 10 | 14 | 14 | 14 | 13 | 14 | 35 | 92 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 | SSE 10 | SSE 10 | ESE 9 | SE 11 | NE 9 | ENE 9 | ENE 9 | — | — | — | — | ENE 11 | NE 11 | NE 10 | SE 10 | SE 10 | SE 10 | SE 7 | NE 9 |
| kJ | 21 | 22 | 20 | 19 | 18 | 11 | 10 | 33 | 19 | 3 | 8 | 7 | — | — | — | — | 11 | 4 | 4 | 16 | 15 | 36 | 12 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 2 | SW 3 | SW 3 | WSW 3 | WSW 4 | WSW 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 5 | 8 | 8 | 8 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 47 | 64 | 0 | 12 | 12 | 12 | 12 | 12 | 36 | 64 | 12 | 12 | 0 | 12 | 36 | 64 | 70 | 87 | 87 | 87 | 87 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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