Surf Forecasts:
How big are the waves at The Pass today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 7ft (2.2m), 12s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 7ft (2.1m), 12s period with SSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 6ft (1.8m), 12s period with SSW swell.
The current surf forecast for The Pass at 5AM is: 2.2m 11s primary swell from a South direction and 0.7m 13s secondary swell from a Southwest direction (forecast issued at 12:00am August 21). An open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (+13) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 7ft (2.2m) | 12s |
| Afternoon (21 Aug) | 7ft (2.1m) | 12s |
| Evening (21 Aug) | 6ft (1.8m) | 12s |
Table - waves today at The Pass. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat night. Warm (max 21°C on Fri night, min 19°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||||||
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 | 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 11 | S 11 | S 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 17 | S 17 | S 17 | S 17 | S 16 | S 16 | S 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1567 | 1389 | 1297 | 1251 | 1160 | 1012 | 944 | 814 | 870 | 814 | 800 | 563 | 467 | 396 | 389 | 394 | 253 | 297 | 287 | 364 | 454 | 422 | 501 | 488 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 1:43AM1.21m | 2:27PM1.04m | 2:34AM1.17m | 3:23PM1.02m | 3:27AM1.16m | 4:19PM1.01m | ||||||||||||||||||
Low Tide | 8:16AM0.33m | 8:18PM0.46m | 9:11AM0.35m | 9:12PM0.49m | 10:06AM0.35m | |||||||||||||||||||
 | | |  |  | |  | | | | | | | | | |  | |  | | | | | | |
 | — | — | 7:00 | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:29 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — |
Temp °C | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 20 | 20 | 20 | 21 | 20 | 20 | 20 | 20 |
Feels °C | 12 | 12 | 12 | 13 | 14 | 14 | 14 | 16 | 17 | 15 | 16 | 14 | 15 | 14 | 14 | 16 | 15 | 15 | 15 | 16 | 15 | 15 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 9 | S 9 | S 10 | S 17 | S 16 | S 16 | S 16 |
| kJ | 1567 | 1389 | 1297 | 1251 | 1160 | 1012 | 944 | 814 | 870 | 814 | 800 | 563 | 467 | 396 | 389 | 394 | 244 | 160 | 159 | 156 | 454 | 422 | 501 | 488 |
Swell 2 Height (m) Direction Period (s) | 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 | SW 13 | SW 13 | SW 13 | S 17 | SW 13 | SW 14 | SW 14 | S 10 |
| kJ | 176 | 176 | 140 | 257 | 411 | 496 | 560 | 519 | 485 | 472 | 472 | 404 | 341 | 331 | 313 | 304 | 253 | 215 | 215 | 364 | 215 | 218 | 181 | 118 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 15 | S 15 | S 15 | NE 10 | S 14 | S 14 | SSW 13 | SSW 18 | S 18 | S 18 | S 17 | S 17 | SW 13 | S 10 | S 10 | S 10 | SW 14 |
| kJ | 157 | 197 | 194 | 267 | 437 | 366 | 333 | 365 | 215 | 209 | 4 | 136 | 93 | 60 | 108 | 162 | 222 | 297 | 287 | 215 | 122 | 96 | 67 | 151 |
Wind waves Height (m) Direction Period (s) | SE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | E 5 | ESE 5 | E 5 | E 6 | E 6 | E 6 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 |
| kJ | 44 | 42 | 72 | 70 | 69 | 55 | 69 | 69 | 72 | 61 | 61 | 82 | 144 | 196 | 178 | 148 | 164 | 199 | 225 | 204 | 210 | 205 | 179 | 153 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1620 | 849 | 849 | 1873 | 1872 | 860 | 860 | 849 | 0 | 849 | 0 | 849 | 849 | 801 | 727 | 849 | 727 | 849 | 849 | 860 | 860 | 1987 | 849 | 860 |
Best forecast wave conditions in Tonga - Tongatapu | ||||||||||||||||||||||||
Best forecast wave conditions in Tonga | ||||||||||||||||||||||||
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