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) - 18ft (5.5m), 13s period with SSE swell.
- Evening surf: Evening surf (21 Sep, local time) - 20ft (6.0m), 13s period with SSE swell.
The current surf forecast for Mera at 2PM is: 5.5m 13s primary swell from a South-southeast direction and 0.6m 11s secondary swell from a East direction, 2.3m 9s secondary swell from a East direction (forecast issued at 08:00am 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) | 18ft (5.5m) | 13s |
| Evening (21 Sep) | 20ft (6.0m) | 13s |
Table - waves today at Mera. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 122mm), heaviest during Mon night. Warm (max 27°C on Mon morning, min 22°C on Wed night). Mainly gales. | ||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||||
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) | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | S 12 | SE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | S 8 | S 8 | S 7 | S 7 | S 7 | SSE 6 | SSE 6 | S 6 | SSE 6 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 7312 | 7035 | 9665 | 10537 | 14553 | 12642 | 1747 | 739 | 495 | 406 | 374 | 293 | 202 | 127 | 90 | 70 | 49 | 34 | 32 | 29 | 19 | 30 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | off | off | off | off | 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 | 11 | 7 | 8 | 22 | 31 | 40 | 11 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 25 | 26 | 27 | 27 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 24 |
Feels °C | 27 | 27 | 25 | 24 | 22 | 19 | 19 | 28 | 27 | 25 | 28 | 28 | 25 | 23 | 23 | 21 | 21 | 20 | 21 | 21 | 22 | 23 |
Swell 1 Height (m) Direction Period (s) | SSE 12 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | S 12 | SE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | S 8 | S 8 | S 7 | S 7 | S 7 | SSE 6 | SSE 6 | S 6 | SSE 6 |
| kJ | 5695 | 7035 | 8687 | 10537 | 14553 | 12642 | 1747 | 739 | 495 | 406 | 374 | 293 | 202 | 127 | 90 | 70 | 49 | 34 | 32 | 29 | 19 | 30 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 11 | E 11 | — | — | — | E 10 | E 9 | E 9 | ENE 9 | WSW 6 | ENE 9 | ENE 9 | WSW 6 | W 6 | SSE 9 | SSE 9 | SSE 6 | SSE 9 | E 10 | NNW 4 | NNW 4 |
| kJ | 93 | 87 | 85 | — | — | — | 972 | 372 | 203 | 108 | 36 | 48 | 47 | 4 | 1 | 8 | 8 | 13 | 8 | 8 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | N 5 | — | — | — | — | — | SE 11 | NNW 5 | SW 8 | ENE 9 | ENE 9 | WSW 6 | WSW 6 | E 13 | W 6 | W 5 | SSE 9 | SSE 9 | E 10 | SSE 9 | E 10 | E 10 |
| kJ | 11 | — | — | — | — | — | 496 | 46 | 59 | 124 | 66 | 16 | 7 | 3 | 6 | 2 | 8 | 8 | 8 | 8 | 7 | 7 |
Wind waves Height (m) Direction Period (s) | SSE 13 | — | SSE 13 | E 9 | E 9 | N 6 | NNW 7 | WSW 8 | SW 4 | SW 8 | — | E 3 | E 4 | E 4 | E 5 | E 5 | E 5 | ENE 5 | E 5 | E 5 | E 5 | E 5 |
| kJ | 7312 | — | 9665 | 865 | 1779 | 503 | 380 | 212 | 12 | 104 | — | 2 | 19 | 44 | 63 | 76 | 97 | 94 | 92 | 78 | 92 | 64 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 14 | 517 | 517 | 517 | 148 | 59 | 12 | 33 | 64 | 61 | 39 | 43 | 57 | 204 | 39 | 50 | 864 | 1419 | 1419 | 1039 | 972 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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