Surf Forecasts:
How big are the waves at Mera today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 5ft (1.5m), 14s period with SSE swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 8ft (2.5m), 7s period with SW swell.
- Evening surf: Evening surf (21 Oct, local time) - 4.5ft (1.4m), 14s period with S swell.
The current surf forecast for Mera at 1PM is: 2.3m 6s primary swell from a Southwest direction and 1.0m 11s secondary swell from a Southeast direction, 0.9m 14s secondary swell from a South direction (forecast issued at 08:00am October 21). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 5ft (1.5m) | 14s |
| Afternoon (21 Oct) | 8ft (2.5m) | 7s |
| Evening (21 Oct) | 4.5ft (1.4m) | 14s |
Table - waves today at Mera. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Wed morning. Warm (max 25°C on Wed morning, min 16°C on Thu night). Winds decreasing (near gales from the SW on Wed afternoon, light winds from the E by Fri night). | ||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 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) | S 15 | SSE 14 | SW 6 | SW 7 | SW 7 | S 14 | S 15 | S 16 | S 15 | S 14 | S 14 | S 13 | S 13 | S 14 | S 13 | S 13 | S 13 | S 13 | SSW 16 | SSW 16 | SSW 15 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 352 | 899 | 372 | 609 | 651 | 780 | 1212 | 1060 | 452 | 801 | 960 | 780 | 470 | 790 | 383 | 591 | 408 | 440 | 382 | 914 | 857 | 845 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | cross-on | cross-off | off | off | off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | off |
High Tide | 2:11PM1.28m | 1:08AM1.17m | 2:31PM1.34m | 2:10AM1.29m | 2:51PM1.39m | |||||||||||||||||
Low Tide | 6:51AM0.52m | 7:56PM0.87m | 7:44AM0.50m | 8:26PM0.70m | 8:27AM0.50m | 8:57PM0.53m | ||||||||||||||||
 |  |  | |  | | | | | | |  |  | |  | | | | | | | | |
 | 5:50 | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | 4:59 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:57 | — | — |
mm | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 23 | 22 | 20 | 19 | 17 | 17 | 17 | 16 | 16 | 17 | 18 | 18 | 19 | 20 |
Feels °C | 22 | 21 | 20 | 19 | 19 | 19 | 21 | 19 | 19 | 21 | 16 | 14 | 11 | 11 | 11 | 10 | 10 | 12 | 14 | 14 | 16 | 18 |
Swell 1 Height (m) Direction Period (s) | SE 12 | SSE 14 | SE 11 | S 13 | S 13 | S 14 | S 15 | S 16 | S 13 | S 14 | S 14 | S 13 | S 13 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | SSW 16 | SSW 15 | SSW 14 |
| kJ | 349 | 899 | 224 | 609 | 345 | 780 | 1212 | 1060 | 398 | 801 | 960 | 780 | 470 | 790 | 383 | 591 | 408 | 440 | 334 | 914 | 857 | 845 |
Swell 2 Height (m) Direction Period (s) | S 15 | S 14 | S 14 | ESE 8 | S 16 | S 17 | SE 8 | SSE 8 | S 15 | SW 7 | SW 7 | SW 7 | SSW 16 | SE 10 | SSW 15 | SE 9 | SSW 16 | SSW 16 | SSW 16 | ESE 9 | ESE 8 | SE 8 |
| kJ | 352 | 405 | 297 | 48 | 507 | 470 | 34 | 103 | 452 | 183 | 88 | 44 | 266 | 60 | 259 | 53 | 291 | 234 | 382 | 49 | 48 | 70 |
Swell 3 Height (m) Direction Period (s) | SE 7 | S 18 | S 18 | S 18 | SE 9 | ESE 10 | SE 10 | SSE 8 | SSE 8 | SSE 8 | ESE 10 | SE 10 | WSW 6 | SW 7 | SE 10 | SW 6 | SE 9 | SE 9 | ESE 9 | — | — | SE 10 |
| kJ | 44 | 216 | 226 | 235 | 61 | 63 | 25 | 60 | 112 | 109 | 60 | 45 | 28 | 11 | 58 | 1 | 68 | 65 | 50 | — | — | 27 |
Wind waves Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 7 | NE 3 | NE 5 | ENE 6 | ENE 7 | ENE 7 | ENE 8 | ENE 7 | ENE 6 | E 6 | E 6 | ESE 6 | ESE 6 |
| kJ | 165 | 228 | 372 | 550 | 651 | 757 | 623 | 397 | 286 | 278 | 11 | 76 | 230 | 328 | 379 | 515 | 257 | 160 | 148 | 128 | 115 | 103 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 504 | 504 | 529 | 504 | 500 | 501 | 501 | 52 | 43 | 12 | 14 | 148 | 51 | 563 | 14 | 14 | 14 | 0 | 14 | 39 | 47 | 0 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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