Surf Forecasts:
How big are the waves at The Pass today (18 Aug):
- Afternoon surf: Afternoon surf (18 Aug, local time) - 7ft (2.2m), 16s period with SW swell.
- Evening surf: Evening surf (18 Aug, local time) - 4.5ft (1.3m), 15s period with SW swell.
The current surf forecast for The Pass at 10PM is: 1.3m 15s primary swell from a Southwest direction and 1.7m 9s secondary swell from a Southwest direction (forecast issued at 06:00pm August 18). The wind direction is predicted to be cross-offshore.
| Time (+13) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | - | - |
| Afternoon (18 Aug) | 7ft (2.2m) | 16s |
| Evening (18 Aug) | 4.5ft (1.3m) | 15s |
Table - waves today at The Pass. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Tue afternoon, min 19°C on Wed afternoon). Mainly fresh winds. | |||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||
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 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 12 | SW 12 | SW 12 | S 12 | SW 14 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 2314 | 939 | 809 | 2325 | 2264 | 2416 | 2205 | 1890 | 1602 | 1223 | 1113 | 1155 | 1420 | 1170 | 1022 | 902 | 900 | 1204 | 1472 |
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 | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 00:06AM1.31m | 12:38PM1.16m | 00:53AM1.26m | 1:31PM1.09m | |||||||||||||||
Low Tide | 6:30AM0.26m | 6:37PM0.36m | 7:22AM0.30m | 7:26PM0.42m | |||||||||||||||
 |  | | | | | |  |  |  | | |  | | | | | | | |
 | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — |
 | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 19 | 19 | 19 | 20 |
Feels °C | 16 | 15 | 16 | 16 | 15 | 16 | 17 | 18 | 14 | 14 | 14 | 14 | 14 | 15 | 14 | 14 | 13 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 9 | SW 9 | SW 15 | SW 15 | SW 14 | SW 14 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | S 13 | S 12 | S 12 | S 12 | SW 14 | SW 14 | SW 14 |
| kJ | 2314 | 399 | 449 | 2325 | 2264 | 2416 | 2205 | 1890 | 1602 | 1223 | 760 | 1155 | 1420 | 1170 | 1022 | 902 | 499 | 361 | 350 |
Swell 2 Height (m) Direction Period (s) | E 9 | SW 15 | SW 15 | E 8 | E 8 | E 8 | E 8 | S 14 | S 13 | S 12 | SW 15 | S 15 | SW 14 | SW 14 | SW 14 | SW 14 | ENE 8 | E 8 | SW 18 |
| kJ | 39 | 939 | 809 | 36 | 35 | 35 | 34 | 134 | 414 | 574 | 410 | 279 | 984 | 802 | 650 | 641 | 22 | 11 | 118 |
Swell 3 Height (m) Direction Period (s) | SSW 20 | E 9 | E 8 | SSW 19 | SSW 18 | SSE 12 | SSW 15 | E 8 | E 8 | SW 15 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | SW 20 | SW 20 | E 8 |
| kJ | 37 | 39 | 37 | 69 | 61 | 15 | 77 | 34 | 33 | 365 | 21 | 21 | 20 | 20 | 20 | 22 | 60 | 60 | 11 |
Wind waves Height (m) Direction Period (s) | SW 7 | — | — | — | — | — | — | — | — | SSE 4 | S 12 | S 12 | — | — | — | — | S 12 | S 12 | S 12 |
| kJ | 97 | — | — | — | — | — | — | — | — | 11 | 1113 | 1022 | — | — | — | — | 900 | 1204 | 1472 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 868 | 868 | 868 | 868 | 5 | 5 | 5 | 5 | 1 | 1 | 5 | 870 | 876 | 876 | 890 | 890 | 5 | 876 | 1620 |
Best forecast wave conditions in Tonga - Tongatapu | |||||||||||||||||||
Best forecast wave conditions in Tonga | |||||||||||||||||||
Header Global | |||||||||||||||||||
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