Surf Forecasts:
How big are the waves at Mera today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 0.5ft (0.1m), 12s period with SE swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 1.5ft (0.4m), 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 3PM is: 0.4m 11s primary swell from a Southeast direction (forecast issued at 08:00am September 18). An open ocean swell of 2.2m 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) | 0.5ft (0.1m) | 12s |
| Afternoon (18 Sep) | 1.5ft (0.4m) | 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 211mm), heaviest during Sun night. Warm (max 25°C on Sun night, min 20°C on Fri morning). Winds increasing (fresh winds from the NNE on Sat afternoon, near gales from the NNE by Sun afternoon). | ||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||||
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 9 | SE 12 | SSE 12 | SE 11 | E 11 | SE 14 | SE 14 | SE 13 | SE 16 | SE 15 | SE 14 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 13 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 7 | 6 | 13 | 32 | 86 | 416 | 1029 | 1438 | 5284 | 5488 | 4974 | 4023 | 3532 | 3066 | 3172 | 3679 | 3290 | 3312 | 3585 | 3492 | 5167 | 6936 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-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 | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:40 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 13 | 11 | 23 | 34 | 30 | 21 |
Temp °C | 20 | 20 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 23 | 22 | 22 | 22 | 22 | 23 | 23 | 22 | 22 | 23 | 24 |
Feels °C | 14 | 14 | 16 | 17 | 16 | 17 | 16 | 16 | 17 | 18 | 19 | 22 | 20 | 20 | 20 | 20 | 22 | 21 | 18 | 16 | 19 | 21 |
Swell 1 Height (m) Direction Period (s) | ENE 12 | ENE 12 | SSE 12 | SE 11 | E 11 | SE 14 | SE 14 | SE 13 | SE 16 | SE 15 | SE 14 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 13 |
| kJ | 29 | 29 | 13 | 32 | 86 | 416 | 1029 | 1438 | 5284 | 5488 | 4974 | 4023 | 3532 | 3066 | 3172 | 3258 | 3290 | 3312 | 3585 | 3492 | 5167 | 6936 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SE 12 | NW 7 | — | SE 11 | E 11 | E 11 | SE 17 | — | — | E 10 | — | — | — | ENE 10 | E 15 | — | E 14 | E 14 | E 13 | E 13 | NNW 5 |
| kJ | 7 | 6 | 2 | — | 40 | 61 | 59 | 1036 | — | — | 53 | — | — | — | 100 | 4 | — | 15 | 15 | 31 | 30 | 28 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 9 | — | — | SE 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 13 | E 12 |
| kJ | 6 | 3 | — | — | 73 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 52 | 48 |
Wind waves Height (m) Direction Period (s) | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | SE 12 | NE 8 | NE 6 | NE 6 | NNE 5 | — | — |
| kJ | 604 | 655 | 619 | 617 | 599 | 540 | 498 | 467 | 456 | 362 | 300 | 356 | 325 | 305 | 143 | 3679 | 25 | 303 | 247 | 87 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 483 | 483 | 244 | 504 | 504 | 500 | 501 | 244 | 153 | 500 | 563 | 483 | 54 | 500 | 501 | 501 | 521 | 563 | 563 | 578 | 521 | 522 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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