Surf Forecasts:
How big are the waves at Mera today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 16ft (5.0m), 13s period with SSE swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 16ft (5.0m), 12s period with SSE swell.
- Evening surf: Evening surf (21 Sep, local time) - 21ft (6.5m), 13s period with SSE swell.
The current surf forecast for Mera at 8AM is: 5.0m 13s primary swell from a South-southeast direction and 4.5m 13s secondary swell from a South-southeast direction, 0.6m 11s secondary swell from a East direction (forecast issued at 02:00am September 21). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 16ft (5.0m) | 13s |
| Afternoon (21 Sep) | 16ft (5.0m) | 12s |
| Evening (21 Sep) | 21ft (6.5m) | 13s |
Table - waves today at Mera. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 100mm), heaviest during Mon night. Warm (max 27°C on Mon morning, min 22°C on Tue night). Mainly gales. | ||||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SE 12 | SSE 12 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 13 | SSE 13 | SSE 12 | ESE 10 | SSE 10 | SSE 9 | SSE 9 | S 8 | SSE 8 | S 8 | S 8 | S 7 | S 7 | S 7 | S 7 | S 6 | SSE 6 | SSE 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 4117 | 5862 | 7312 | 7799 | 8256 | 7577 | 13538 | 13190 | 5823 | 1004 | 544 | 466 | 422 | 331 | 235 | 157 | 114 | 70 | 51 | 35 | 34 | 22 | 13 | 13 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | glassy | cross-on | cross | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | off | off |
High Tide | 3:07PM1.24m | 00:00AM1.16m | 3:20PM1.31m | 1:33AM1.25m | 3:36PM1.37m | |||||||||||||||||||
Low Tide | 6:48AM0.53m | 8:05PM1.09m | 7:52AM0.45m | 8:35PM0.97m | 8:35AM0.38m | |||||||||||||||||||
 |  |  |  | | | |  | |  |  |  | | |  | | |  | | | | | | | |
 | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — |
mm | 6 | 11 | 12 | 8 | 7 | 16 | 10 | 34 | 21 | 1 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 27 | 27 | 27 | 27 | 26 | 25 | 26 | 26 | 26 | 26 | 24 | 24 | 23 | 24 | 23 | 22 | 23 | 24 | 24 | 23 | 24 |
Feels °C | 26 | 27 | 28 | 28 | 25 | 24 | 22 | 20 | 16 | 24 | 30 | 28 | 28 | 23 | 24 | 22 | 24 | 21 | 20 | 20 | 22 | 22 | 21 | 23 |
Swell 1 Height (m) Direction Period (s) | SE 12 | SSE 12 | SSE 12 | SSE 13 | SSE 13 | SSE 12 | SSE 13 | SSE 13 | SSE 12 | ESE 10 | SSE 10 | SSE 9 | SSE 9 | S 8 | SSE 8 | S 8 | S 8 | S 7 | S 7 | S 7 | S 7 | S 6 | SSE 6 | ENE 9 |
| kJ | 4117 | 4574 | 5695 | 7147 | 8256 | 7577 | 13538 | 13190 | 5823 | 1004 | 544 | 466 | 422 | 331 | 235 | 157 | 114 | 70 | 51 | 35 | 34 | 22 | 13 | 29 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | E 11 | — | — | — | — | E 10 | S 11 | E 9 | ENE 9 | WSW 7 | WSW 6 | WSW 6 | ENE 9 | WSW 6 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | E 10 | E 10 | SSE 6 |
| kJ | 72 | 69 | 93 | 87 | — | — | — | — | 972 | 533 | 276 | 108 | 43 | 23 | 8 | 35 | 3 | 9 | 8 | 8 | 8 | 8 | 7 | 13 |
Swell 3 Height (m) Direction Period (s) | — | N 5 | — | — | — | — | — | — | SE 11 | NNW 6 | N 5 | WSW 8 | ENE 9 | ENE 9 | E 13 | WSW 7 | E 13 | W 6 | W 5 | E 10 | E 10 | SSE 9 | SSE 9 | E 9 |
| kJ | — | 11 | — | — | — | — | — | — | 558 | 123 | 13 | 82 | 64 | 48 | 3 | 10 | 3 | 2 | 2 | 8 | 8 | 8 | 7 | 7 |
Wind waves Height (m) Direction Period (s) | — | SSE 12 | SSE 13 | SSE 13 | E 11 | E 9 | E 9 | N 6 | NNW 7 | NW 6 | SW 8 | WSW 7 | WSW 7 | — | E 9 | E 4 | E 4 | ENE 5 | ENE 5 | ENE 6 | ENE 6 | ENE 5 | ENE 5 | E 5 |
| kJ | — | 5862 | 7312 | 7799 | 84 | 1056 | 1562 | 349 | 859 | 219 | 119 | 209 | 114 | — | 108 | 28 | 48 | 69 | 112 | 131 | 110 | 98 | 81 | 54 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 14 | 804 | 544 | 517 | 517 | 148 | 69 | 52 | 0 | 33 | 153 | 204 | 204 | 204 | 14 | 204 | 204 | 204 | 1419 | 1419 | 1039 | 56 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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