Surf Forecasts:
How big are the waves at Tennis Courts today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 6ft (1.8m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 6.5ft (2.0m), 8s period with ENE swell.
- Evening surf: Evening surf (20 Sep, local time) - 6.5ft (2.0m), 8s period with ENE swell.
The current surf forecast for Tennis Courts at 12AM is: 2.0m 8s primary swell from a East direction and 0.6m 16s secondary swell from a South direction, 0.6m 16s secondary swell from a South-southwest direction (forecast issued at 07:00pm September 19). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 6ft (1.8m) | 8s |
| Afternoon (20 Sep) | 6.5ft (2.0m) | 8s |
| Evening (20 Sep) | 6.5ft (2.0m) | 8s |
Table - waves today at Tennis Courts. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Sun morning, min 25°C on Sun night). Mainly fresh winds. | |||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | |||||||||||||||||
5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | SSW 16 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | E 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 650 | 619 | 522 | 461 | 416 | 452 | 472 | 449 | 461 | 472 | 420 | 537 | 504 | 426 | 416 | 394 | 370 | 428 | 404 |
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 | 00:19AM0.23m | 12:26PM0.61m | 00:59AM0.27m | 1:06PM0.62m | |||||||||||||||
Low Tide | 7:43PM0.16m | 4:35AM0.17m | 8:01PM0.15m | 5:47AM0.16m | 8:17PM0.13m | ||||||||||||||
 |  | |  | | | | |  | | | | | | | | | | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:28 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 27 | 26 | 25 | 26 |
Feels °C | 23 | 24 | 25 | 26 | 25 | 24 | 23 | 22 | 23 | 22 | 22 | 22 | 23 | 22 | 23 | 25 | 23 | 23 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | S 16 | ENE 8 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 13 |
| kJ | 387 | 387 | 195 | 461 | 350 | 452 | 253 | 292 | 300 | 296 | 365 | 350 | 336 | 331 | 265 | 247 | 239 | 236 | 171 |
Swell 2 Height (m) Direction Period (s) | S 18 | S 18 | SSW 16 | SSW 16 | SSW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SSW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 |
| kJ | 99 | 99 | 166 | 273 | 98 | 33 | 107 | 106 | 104 | 75 | 33 | 33 | 33 | 21 | 32 | 32 | 31 | 31 | 46 |
Swell 3 Height (m) Direction Period (s) | SE 9 | W 8 | SSW 13 | SW 16 | SW 15 | SSE 8 | SSE 6 | SSE 6 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 |
| kJ | 3 | 1 | 102 | 122 | 54 | 6 | 7 | 7 | 3 | 3 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 10 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | — | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | E 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 650 | 619 | 522 | — | 416 | 437 | 472 | 449 | 461 | 472 | 420 | 537 | 504 | 426 | 416 | 394 | 370 | 428 | 404 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 39 | 36 | 29 | 28 | 29 | 29 | 37 | 39 | 39 | 36 | 36 | 36 | 28 | 28 | 28 | 28 | 39 | 29 | 28 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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