Surf Forecasts:
How big are the waves at Mera today (18 Sep):
- Afternoon surf: Afternoon surf (18 Sep, local time) - 1ft (0.3m), 11s period with SE swell.
- Evening surf: Evening surf (18 Sep, local time) - 3.5ft (1.1m), 14s period with SE swell.
The current surf forecast for Mera at 7PM is: 0.7m 11s primary swell from a East direction and 0.4m 14s secondary swell from a Southeast direction (forecast issued at 02:00pm September 18). An open ocean swell of 2.0m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | - | - |
| Afternoon (18 Sep) | 1ft (0.3m) | 11s |
| Evening (18 Sep) | 3.5ft (1.1m) | 14s |
Table - waves today at Mera. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 210mm), heaviest during Sun night. Warm (max 25°C on Sun night, min 21°C on Fri afternoon). Winds increasing (light winds from the NE on Sat night, gales from the NNE by Mon morning). | ||||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||
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 12 | SE 11 | E 11 | SE 14 | SE 13 | SE 13 | SE 16 | SE 15 | SE 14 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 | SE 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 13 | 20 | 112 | 416 | 1014 | 1438 | 5041 | 5070 | 4864 | 3874 | 3532 | 3066 | 2987 | 2938 | 2766 | 2861 | 3367 | 2747 | 2622 | 3904 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off |
High Tide | 9:37AM1.11m | 7:13PM1.38m | 7:37PM1.30m | 8:22PM1.20m | ||||||||||||||||
Low Tide | 1:24PM1.02m | 3:17AM0.52m | 4:59AM0.57m | |||||||||||||||||
 | |  | | | |  | | | |  |  | | |  | | | |  |  | |
 | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | 5:44 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:40 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 1 | 11 | 13 | 27 | 19 | 20 | 10 |
Temp °C | 23 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 24 | 23 | 22 | 23 | 23 | 22 | 23 | 22 | 22 | 22 | 22 |
Feels °C | 17 | 16 | 16 | 17 | 17 | 16 | 17 | 17 | 19 | 23 | 22 | 21 | 23 | 23 | 21 | 22 | 19 | 18 | 18 | 17 |
Swell 1 Height (m) Direction Period (s) | SSE 12 | SE 11 | E 11 | SE 14 | SE 13 | SE 13 | SE 16 | SE 15 | SE 14 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 | SE 12 |
| kJ | 13 | 20 | 112 | 416 | 1014 | 1438 | 5041 | 5070 | 4864 | 3874 | 3532 | 3066 | 2987 | 2938 | 2766 | 2861 | 2877 | 2747 | 2622 | 3904 |
Swell 2 Height (m) Direction Period (s) | — | SE 11 | SE 14 | E 11 | — | SE 17 | — | — | E 10 | — | — | — | ENE 10 | E 15 | — | E 14 | E 14 | E 13 | E 13 | E 13 |
| kJ | — | 20 | 73 | 61 | — | 1036 | — | — | 94 | — | — | — | 75 | 4 | — | 15 | 15 | 31 | 30 | 51 |
Swell 3 Height (m) Direction Period (s) | — | — | SE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 13 | — | — |
| kJ | — | — | 17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 30 | — | — |
Wind waves Height (m) Direction Period (s) | NE 8 | ENE 8 | NE 8 | NE 8 | ENE 8 | NE 8 | NE 8 | ENE 8 | ENE 8 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | NE 8 | NE 8 | ENE 6 | ESE 11 | NE 6 | NNE 6 | NNE 5 |
| kJ | 632 | 651 | 647 | 522 | 493 | 467 | 390 | 348 | 300 | 332 | 319 | 212 | 299 | 44 | 11 | 172 | 3367 | 341 | 129 | 105 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 244 | 504 | 500 | 500 | 500 | 244 | 244 | 483 | 563 | 50 | 14 | 14 | 0 | 0 | 14 | 563 | 563 | 563 | 563 | 522 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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