Surf Forecasts:
How big are the waves at The Pass today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 6ft (1.9m), 12s period with S swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 6ft (1.9m), 12s period with S swell.
- Evening surf: Evening surf (20 Aug, local time) - 7.5ft (2.3m), 12s period with S swell.
The current surf forecast for The Pass at 3PM is: 1.9m 12s primary swell from a South direction and 1.1m 14s secondary swell from a Southwest direction (forecast issued at 12:00pm August 20). An open ocean swell of 0.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (+13) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 6ft (1.9m) | 12s |
| Afternoon (20 Aug) | 6ft (1.9m) | 12s |
| Evening (20 Aug) | 7.5ft (2.3m) | 12s |
Table - waves today at The Pass. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat morning. Warm (max 20°C on Thu morning, min 19°C on Thu morning). Mainly fresh winds. | |||||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||||
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 | 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) | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 918 | 902 | 986 | 1207 | 1420 | 1567 | 1274 | 1297 | 1251 | 1180 | 1012 | 944 | 1009 | 972 | 827 | 786 | 553 | 459 | 459 | 382 | 396 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 1:31PM1.09m | 1:43AM1.21m | 2:27PM1.04m | 2:34AM1.17m | 3:23PM1.02m | ||||||||||||||||
Low Tide | 7:22AM0.30m | 7:26PM0.42m | 8:16AM0.33m | 8:18PM0.46m | 9:11AM0.35m | 9:12PM0.49m | |||||||||||||||
 | | |  | |  |  | | |  | | | | | | |  | | | | | |
 | 7:01 | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — |
 | — | — | 6:28 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:29 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Temp °C | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
Feels °C | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 14 | 14 | 14 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | SW 14 | SW 14 | S 12 | S 11 | S 11 | S 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 |
| kJ | 918 | 902 | 499 | 410 | 1420 | 1567 | 1274 | 1297 | 1251 | 1180 | 1012 | 944 | 1009 | 972 | 827 | 786 | 553 | 459 | 459 | 382 | 396 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | ENE 8 | E 8 | SW 13 | SW 13 | SW 13 | SW 13 | S 16 | SSW 16 | S 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 |
| kJ | 726 | 641 | 22 | 11 | 345 | 176 | 176 | 140 | 257 | 416 | 496 | 560 | 519 | 485 | 472 | 472 | 350 | 341 | 331 | 313 | 257 |
Swell 3 Height (m) Direction Period (s) | E 8 | ENE 8 | SW 20 | SW 20 | SW 19 | SW 18 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SSW 16 | S 15 | S 15 | S 15 | NE 10 | S 14 | S 14 | SSW 13 | SSW 18 | S 18 |
| kJ | 20 | 22 | 60 | 60 | 126 | 157 | 197 | 194 | 267 | 314 | 366 | 333 | 287 | 215 | 209 | 4 | 136 | 93 | 60 | 108 | 162 |
Wind waves Height (m) Direction Period (s) | — | SSE 4 | S 12 | S 12 | SE 5 | SE 5 | SE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 |
| kJ | — | 11 | 986 | 1207 | 43 | 44 | 43 | 59 | 59 | 73 | 69 | 72 | 69 | 72 | 85 | 74 | 92 | 184 | 225 | 184 | 176 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1620 | 1620 | 1620 | 1620 | 1620 | 1620 | 1620 | 1620 | 860 | 860 | 1873 | 860 | 860 | 860 | 849 | 849 | 849 | 849 | 849 | 787 | 849 |
Best forecast wave conditions in Tonga - Tongatapu | |||||||||||||||||||||
Best forecast wave conditions in Tonga | |||||||||||||||||||||
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