Surf Forecasts:
How big are the waves at Pass (Ovaka) today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 3.5ft (1.1m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 4ft (1.2m), 16s period with SW swell.
- Evening surf: Evening surf (18 Aug, local time) - 3.5ft (1.0m), 16s period with SW swell.
The current surf forecast for Pass (Ovaka) at 1AM is: 1.3m 16s primary swell from a Southwest direction (forecast issued at 06:00pm August 17). An open ocean swell of 0.6m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (+13) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 3.5ft (1.1m) | 16s |
| Afternoon (18 Aug) | 4ft (1.2m) | 16s |
| Evening (18 Aug) | 3.5ft (1.0m) | 16s |
Table - waves today at Pass (Ovaka). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Tue afternoon. Warm (max 24°C on Mon afternoon, min 20°C on Tue morning). Mainly fresh winds. | |||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||
4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 603 | 581 | 909 | 897 | 979 | 628 | 628 | 886 | 636 | 546 | 477 | 666 | 1305 | 1182 | 1225 | 1241 | 1095 | 975 | 710 |
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 | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:01PM1.16m | 11:29AM1.05m | 11:51PM1.12m | 12:25PM0.99m | |||||||||||||||
Low Tide | 5:20AM0.21m | 5:34PM0.26m | 6:15AM0.24m | 6:24PM0.32m | |||||||||||||||
 |  | |  | |  |  | | |  | | | | | | | | | | |
 | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — |
 | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — |
mm | — | — | — | — | — | — | 2 | 2 | 5 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 24 | 24 | 24 | 24 | 22 | 20 | 21 | 21 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
Feels °C | 25 | 26 | 26 | 26 | 26 | 27 | 20 | 16 | 18 | 17 | 16 | 17 | 17 | 17 | 18 | 18 | 18 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | E 8 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 13 | SW 13 |
| kJ | 603 | 581 | 909 | 897 | 979 | 628 | 628 | 886 | 636 | 546 | 477 | 666 | 47 | 1182 | 1225 | 1241 | 1095 | 975 | 710 |
Swell 2 Height (m) Direction Period (s) | SW 10 | SW 10 | ENE 9 | E 9 | E 9 | SW 10 | SW 10 | E 8 | SW 10 | E 8 | SW 6 | E 8 | SE 13 | E 8 | E 8 | E 8 | E 8 | SSE 12 | S 14 |
| kJ | 106 | 127 | 71 | 55 | 53 | 124 | 127 | 68 | 104 | 47 | 56 | 47 | 44 | 47 | 46 | 46 | 82 | 58 | 187 |
Swell 3 Height (m) Direction Period (s) | E 8 | ENE 9 | SSE 10 | SSE 9 | SSE 9 | E 8 | E 8 | NW 11 | E 8 | SE 14 | SW 10 | SE 13 | NW 10 | NW 10 | SE 13 | SE 12 | SSE 12 | S 15 | E 8 |
| kJ | 51 | 73 | 31 | 29 | 28 | 69 | 68 | 43 | 66 | 51 | 96 | 46 | 16 | 26 | 42 | 39 | 59 | 71 | 32 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | S 4 | S 6 | SSW 10 | SSE 5 | S 6 | SSW 15 | S 6 | — | — | SE 5 | E 8 | SSE 5 |
| kJ | — | — | — | — | — | — | — | 46 | 91 | 461 | 60 | 123 | 1305 | 139 | — | — | 19 | 64 | 46 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 3 | 578 | 578 | 578 | 603 | 603 | 285 | 583 | 285 | 11 | 583 | 583 | 583 | 588 |
Best forecast wave conditions in Tonga Vava'u | |||||||||||||||||||
Best forecast wave conditions in Tonga | |||||||||||||||||||
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