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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Friday 29 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
22.9° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Mera today (30 May):
- Morning surf: Morning surf (30 May, local time) - 2.5ft (0.8m), 11s period with E swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 3ft (0.9m), 11s period with E swell.
- Evening surf: Evening surf (30 May, local time) - 3ft (0.9m), 10s period with E swell.
The current surf forecast for Mera at 12AM is: 1.1m 7s primary swell from a Southwest direction and 0.3m 6s secondary swell from a South-southeast direction (forecast issued at 08:00pm May 29). An open ocean swell of 1.6m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 2.5ft (0.8m) | 11s |
| Afternoon (30 May) | 3ft (0.9m) | 11s |
| Evening (30 May) | 3ft (0.9m) | 10s |
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 23°C on Sat afternoon, min 20°C on Sat night). Winds decreasing (fresh winds from the E on Fri night, calm by Sat morning). | ||||||||||||||||||||||||
Fri 29 | Saturday 30 | Sunday 31 | Monday 1 | |||||||||||||||||||||
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 | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
SW 7 | SW 7 | SW 7 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | S 12 | S 12 | S 11 | S 11 | S 11 | SSW 16 | SSW 16 | SSW 14 | |
217 | 176 | 121 | 146 | 146 | 146 | 184 | 184 | 181 | 174 | 171 | 171 | 167 | 161 | 170 | 170 | 136 | 171 | 160 | 154 | 151 | 181 | 284 | 536 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | off | off | off | glassy | cross | cross-on | cross-on | on | on | glassy | cross-off | glassy | on | on | on | on | cross-on | cross-on | on | on | on | |
High Tide | 4:22PM1.26m | 2:44AM1.37m | 5:01PM1.30m | 3:17AM1.39m | 5:38PM1.32m | 3:49AM1.40m | ||||||||||||||||||
Low Tide | 9:19PM0.84m | 9:56AM0.06m | 9:58PM0.86m | 10:29AM0.01m | 10:36PM0.87m | 11:02AM-0.00m | ||||||||||||||||||
 |  |  |  |  | | |  | | | | | | | | | | | | | | | | | |
 | — | — | — | 4:28 | — | — | — | — | — | — | — | 4:28 | — | — | — | — | — | — | — | 4:28 | — | — | — | — |
 | 6:45 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | 6:47 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 22 | 22 | 21 | 21 | 22 | 22 | 23 | 22 | 22 | 21 | 20 | 20 | 21 | 22 | 23 | 23 | 22 | 22 | 21 | 20 | 21 | 22 | 22 |
22 | 20 | 18 | 17 | 18 | 23 | 24 | 24 | 23 | 21 | 19 | 19 | 21 | 21 | 22 | 22 | 21 | 20 | 19 | 19 | 19 | 21 | 21 | 21 | |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 7 | SW 7 | E 11 | E 11 | ESE 6 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | E 10 | S 12 | S 11 | S 11 | S 11 | S 11 | SSW 16 | SSW 14 |
 kJ | 217 | 176 | 121 | 146 | 146 | 68 | 184 | 184 | 181 | 174 | 171 | 171 | 167 | 161 | 170 | 170 | 127 | 171 | 160 | 154 | 151 | 149 | 284 | 536 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 10 | SSE 6 | SW 7 | SW 7 | E 11 | ESE 5 | ESE 5 | ESE 5 | E 5 | ESE 5 | ESE 5 | SW 7 | SW 6 | S 13 | S 12 | S 12 | E 10 | E 10 | E 10 | E 10 | E 10 | S 11 | E 10 |
| kJ | 120 | 150 | 8 | 60 | 32 | 146 | 36 | 42 | 29 | 19 | 8 | 9 | 15 | 14 | 87 | 106 | 136 | 125 | 125 | 127 | 94 | 92 | 108 | 89 |
Swell 3 Height (m) Direction Period (s) | ENE 11 | ENE 11 | S 14 | NE 11 | SSE 6 | SW 7 | SW 7 | SW 7 | SW 7 | SSE 6 | SSE 6 | SW 7 | SSE 6 | SSE 6 | SW 6 | SW 6 | SSW 14 | SE 12 | SE 12 | SW 18 | SW 17 | SSW 16 | E 10 | SE 11 |
| kJ | 12 | 12 | 4 | 5 | 8 | 31 | 30 | 17 | 17 | 12 | 12 | 11 | 11 | 6 | 14 | 9 | 40 | 22 | 23 | 13 | 75 | 181 | 90 | 20 |
Wind waves Height (m) Direction Period (s) | — | ENE 3 | E 5 | E 6 | E 6 | E 5 | — | — | — | — | SW 2 | S 6 | WSW 6 | — | — | — | SW 6 | S 6 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 4 |
| kJ | — | 2 | 122 | 132 | 75 | 40 | — | — | — | — | 1 | 17 | 28 | — | — | — | 9 | 18 | 16 | 49 | 43 | 32 | 17 | 15 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 73 | 153 | 14 | 0 | 0 | 0 | 64 | 64 | 64 | 64 | 33 | 0 | 0 | 0 | 64 | 61 | 61 | 36 | 33 | 12 | 36 | 36 | 64 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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